Merge pull request #136 from dalbodeule/debug

[hotfix] token claim fixed. (2x)

.idea/.gitignore

@@ -6,3 +6,5 @@
 # Datasource local storage ignored files
 /dataSources/
 /dataSources.local.xml
+discord.xml
+inspectionProfiles/Project_Default.xml

.idea/kotlinc.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="KotlinJpsPluginSettings">
-    <option name="version" value="2.0.0" />
+    <option name="version" value="2.0.21" />
   </component>
 </project>

.idea/ktor.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="KtorOptions">
+    <option name="updateOpenAPI" value="true" />
+  </component>
+</project>

.idea/modules.xml

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/modules/chzzk_bot.main.iml" filepath="$PROJECT_DIR$/.idea/modules/chzzk_bot.main.iml" />
-    </modules>
-  </component>
-</project>

.idea/nabot_chzzk_bot.iml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/sqldialects.xml

@@ -4,6 +4,7 @@
     <file url="PROJECT" dialect="MariaDB" />
   </component>
   <component name="SqlResolveMappings">
-    <file url="file://$PROJECT_DIR$/src/main/kotlin/space/mori/chzzk_bot/models/Command.kt" scope="{&quot;node&quot;:{  &quot;@negative&quot;:&quot;1&quot;,  &quot;group&quot;:{   &quot;@kind&quot;:&quot;root&quot;,   &quot;node&quot;:{    &quot;@negative&quot;:&quot;1&quot;   }  } }}" />
+    <file url="file://$PROJECT_DIR$/common/src/main/kotlin/space/mori/chzzk_bot/common/models/User.kt" scope="{&quot;node&quot;:{  &quot;@negative&quot;:&quot;1&quot;,  &quot;group&quot;:{   &quot;@kind&quot;:&quot;root&quot;,   &quot;node&quot;:{    &quot;name&quot;:{     &quot;@qname&quot;:&quot;90f8ee11-600e-4155-a316-e8062c7c828b&quot;    },    &quot;group&quot;:{     &quot;@kind&quot;:&quot;schema&quot;,     &quot;node&quot;:{      &quot;name&quot;:{       &quot;@qname&quot;:&quot;chzzk&quot;      }     }    }   }  } }}" />
+    <file url="PROJECT" scope="{&quot;node&quot;:{  &quot;@negative&quot;:&quot;1&quot;,  &quot;group&quot;:{   &quot;@kind&quot;:&quot;root&quot;,   &quot;node&quot;:{    &quot;name&quot;:{     &quot;@qname&quot;:&quot;90f8ee11-600e-4155-a316-e8062c7c828b&quot;    },    &quot;group&quot;:{     &quot;@kind&quot;:&quot;schema&quot;,     &quot;node&quot;:{      &quot;name&quot;:{       &quot;@qname&quot;:&quot;chzzk&quot;      }     }    }   }  } }}" />
   </component>
 </project>

README.md

@@ -18,7 +18,7 @@
 - [x] \<days:yyyy-mm-dd>
 
 ### 관리 명령어 (on Discord)
-- [x] /register chzzk_id: \[치지직 고유ID]
+- [x] /hook token: \[디스코드 연동 페이지에서 받은 Token]
 - [x] /alert channel: \[디스코드 Channel ID] content: \[알림 내용]
 - [x] /add label: \[명령어] content: \[내용]
 - [ ] /list
@@ -32,6 +32,15 @@
 - [x] !명령어추가 \[명령어] \[내용]
 - [x] !명령어수정 \[명령어] \[내용]
 - [x] !명령어삭제 \[명령어]
+### 타이머 명령어 (on Chzzk chat, 매니저/스트리머 전용)
+- [x] !시간 \[숫자: 분]
+- [x] !시간 업타임
+- [x] !시간 삭제
+### 플레이리스트 명령어 (on Chzzk chat)
+- [x] !노래추가 \[유튜브 주소]
+- [x] !노래목록
+- [ ] !노래삭제 \[번호]
+- [ ] !노래설정 \[내용] \[켜기/끄기]
 
 ### Envs
 - DISCORD_TOKEN
@@ -70,3 +79,5 @@
 - [mariadb](https://mariadb.org/)
 - [docker](https://www.docker.com/)
 - [Teamcity](https://www.jetbrains.com/teamcity/)
+- [Nuxtjs](https://nuxt.com/)
+- [Bulma](https://bulma.io/)

build.gradle.kts

@@ -1,11 +1,10 @@
 plugins {
-    val kotlinVersion = "2.0.0"
+    val kotlinVersion = "2.0.21"
 
     id("java")
     id("application")
     kotlin("jvm") version kotlinVersion
     kotlin("plugin.jpa") version kotlinVersion
-    id("org.graalvm.buildtools.native") version "0.10.2"
 }
 
 group = "${project.group}"
@@ -28,43 +27,28 @@ repositories {
 }
 
 dependencies {
-    // https://mvnrepository.com/artifact/net.dv8tion/JDA
-    implementation("net.dv8tion:JDA:5.0.1") {
-        exclude(module = "opus-java")
-    }
-    // https://mvnrepository.com/artifact/io.github.R2turnTrue/chzzk4j
-    implementation("io.github.R2turnTrue:chzzk4j:0.0.9")
-
     // https://mvnrepository.com/artifact/ch.qos.logback/logback-classic
-    implementation("ch.qos.logback:logback-classic:1.5.6")
+    implementation("ch.qos.logback:logback-classic:1.5.13")
-
-    // https://mvnrepository.com/artifact/org.jetbrains.exposed/exposed-core
-    implementation("org.jetbrains.exposed:exposed-core:0.52.0")
-    // https://mvnrepository.com/artifact/org.jetbrains.exposed/exposed-dao
-    implementation("org.jetbrains.exposed:exposed-dao:0.52.0")
-    // https://mvnrepository.com/artifact/org.jetbrains.exposed/exposed-jdbc
-    implementation("org.jetbrains.exposed:exposed-jdbc:0.52.0")
-    // https://mvnrepository.com/artifact/org.jetbrains.exposed/exposed-kotlin-datetime
-    implementation("org.jetbrains.exposed:exposed-java-time:0.52.0")
-
-    // https://mvnrepository.com/artifact/com.zaxxer/HikariCP
-    implementation("com.zaxxer:HikariCP:5.1.0")
 
     // https://mvnrepository.com/artifact/org.jetbrains.kotlinx/kotlinx-coroutines-core
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.9.0-RC")
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.9.0")
     // https://mvnrepository.com/artifact/org.jetbrains.kotlin/kotlin-reflect
-    implementation("org.jetbrains.kotlin:kotlin-reflect:2.0.0")
+    implementation("org.jetbrains.kotlin:kotlin-reflect:2.0.21")
 
     // https://mvnrepository.com/artifact/com.google.code.gson/gson
     implementation("com.google.code.gson:gson:2.11.0")
 
-    // https://mvnrepository.com/artifact/org.mariadb.jdbc/mariadb-java-client
-    implementation("org.mariadb.jdbc:mariadb-java-client:3.4.1")
-
     // https://mvnrepository.com/artifact/io.github.cdimascio/dotenv-kotlin
-    implementation("io.github.cdimascio:dotenv-kotlin:6.4.1")
+    implementation("io.github.cdimascio:dotenv-kotlin:6.4.2")
+
+    // https://mvnrepository.com/artifact/io.insert-koin/koin-core
+    implementation("io.insert-koin:koin-core:4.0.0")
 
     kotlin("stdlib")
+
+    listOf(project(":common"), project(":chatbot"), project(":webserver")).forEach {
+        implementation(it)
+    }
 }
 
 tasks.withType<Jar> {

chatbot/build.gradle.kts

@@ -0,0 +1,53 @@
+plugins {
+    kotlin("jvm")
+}
+
+group = project.rootProject.group
+version = project.rootProject.version
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    // https://mvnrepository.com/artifact/net.dv8tion/JDA
+    api("net.dv8tion:JDA:5.2.1") {
+        exclude(module = "opus-java")
+    }
+
+    // https://mvnrepository.com/artifact/io.github.R2turnTrue/chzzk4j
+    implementation("io.github.R2turnTrue:chzzk4j:0.1.1")
+
+    // https://mvnrepository.com/artifact/ch.qos.logback/logback-classic
+    implementation("ch.qos.logback:logback-classic:1.5.13")
+
+    // https://mvnrepository.com/artifact/org.jetbrains.kotlinx/kotlinx-coroutines-core
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.9.0")
+    // https://mvnrepository.com/artifact/org.jetbrains.kotlin/kotlin-reflect
+    implementation("org.jetbrains.kotlin:kotlin-reflect:2.0.21")
+
+    // https://mvnrepository.com/artifact/com.google.code.gson/gson
+    implementation("com.google.code.gson:gson:2.11.0")
+
+    // https://mvnrepository.com/artifact/io.github.cdimascio/dotenv-kotlin
+    implementation("io.github.cdimascio:dotenv-kotlin:6.4.2")
+
+    // https://mvnrepository.com/artifact/com.squareup.okhttp3/okhttp
+    implementation("com.squareup.okhttp3:okhttp:4.12.0")
+
+    // https://mvnrepository.com/artifact/io.insert-koin/koin-core
+    implementation("io.insert-koin:koin-core:4.0.0")
+
+    testImplementation(kotlin("test"))
+
+    listOf(project(":common")).forEach {
+        implementation(it)
+    }
+}
+
+tasks.test {
+    useJUnitPlatform()
+}
+kotlin {
+    jvmToolchain(21)
+}

chatbot/src/main/kotlin/space/mori/chzzk_bot/chatbot/chzzk/ChzzkHandler.kt

@@ -0,0 +1,370 @@
+package space.mori.chzzk_bot.chatbot.chzzk
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.DelicateCoroutinesApi
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import org.koin.java.KoinJavaComponent.inject
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+import space.mori.chzzk_bot.chatbot.chzzk.Connector.getChannel
+import space.mori.chzzk_bot.chatbot.discord.Discord
+import space.mori.chzzk_bot.chatbot.utils.refreshAccessToken
+import space.mori.chzzk_bot.common.events.*
+import space.mori.chzzk_bot.common.models.User
+import space.mori.chzzk_bot.common.services.LiveStatusService
+import space.mori.chzzk_bot.common.services.TimerConfigService
+import space.mori.chzzk_bot.common.services.UserService
+import space.mori.chzzk_bot.common.utils.*
+import xyz.r2turntrue.chzzk4j.ChzzkClient
+import xyz.r2turntrue.chzzk4j.session.ChzzkSessionBuilder
+import xyz.r2turntrue.chzzk4j.session.ChzzkSessionSubscriptionType
+import xyz.r2turntrue.chzzk4j.session.ChzzkUserSession
+import xyz.r2turntrue.chzzk4j.session.event.SessionChatMessageEvent
+import xyz.r2turntrue.chzzk4j.types.channel.ChzzkChannel
+import xyz.r2turntrue.chzzk4j.types.channel.live.ChzzkLiveDetail
+import java.lang.Exception
+import java.net.SocketTimeoutException
+import java.time.LocalDateTime
+import java.nio.charset.Charset
+
+object ChzzkHandler {
+    private val handlers = mutableListOf<UserHandler>()
+    private val logger = LoggerFactory.getLogger(this::class.java)
+    lateinit var botUid: String
+    @Volatile private var running: Boolean = false
+    private val dispatcher: CoroutinesEventBus by inject(CoroutinesEventBus::class.java)
+
+    fun addUser(chzzkChannel: ChzzkChannel, user: User) {
+        handlers.add(UserHandler(chzzkChannel, logger, user, streamStartTime = LocalDateTime.now()))
+    }
+
+    fun enable() {
+        botUid = Connector.client.fetchLoggedUser().userId
+        UserService.getAllUsers().map {
+            if(!it.isDisabled)
+                try {
+                    Connector.getChannel(it.token)?.let { token -> addUser(token, it) }
+                } catch(e: Exception) {
+                    logger.info("Exception: ${it.token}(${it.username}) not found. ${e.stackTraceToString()}")
+                }
+        }
+
+        handlers.forEach { handler ->
+            val streamInfo = Connector.getLive(handler.channel.channelId)
+            if (streamInfo?.isOnline == true) handler.isActive(true, streamInfo)
+        }
+
+        dispatcher.subscribe(UserRegisterEvent::class) {
+            val channel = getChannel(it.chzzkId)
+            val user = UserService.getUser(it.chzzkId)
+            if(channel != null && user != null) {
+                addUser(channel, user)
+            }
+        }
+
+        dispatcher.subscribe(CommandReloadEvent::class) {
+            handlers.firstOrNull { handlers -> handlers.channel.channelId == it.uid }?.reloadCommand()
+        }
+
+        dispatcher.subscribe(BotEnabledEvent::class) {
+            if(it.isDisabled) {
+                handlers.removeIf { handlers -> handlers.channel.channelId == it.chzzkId }
+            } else {
+                val channel = getChannel(it.chzzkId)
+                val user = UserService.getUser(it.chzzkId)
+                if(channel != null && user != null) {
+                    addUser(channel, user)
+                }
+            }
+        }
+    }
+
+    fun disable() {
+        handlers.forEach { handler ->
+            handler.disable()
+        }
+    }
+
+    internal fun reloadCommand(chzzkChannel: ChzzkChannel) {
+        val handler = handlers.firstOrNull { it.channel.channelId == chzzkChannel.channelId }
+        if (handler != null)
+            handler.reloadCommand()
+        else
+            throw RuntimeException("${chzzkChannel.channelName} doesn't have handler")
+    }
+
+    internal fun reloadUser(chzzkChannel: ChzzkChannel, user: User) {
+        val handler = handlers.firstOrNull { it.channel.channelId == chzzkChannel.channelId }
+        if (handler != null)
+            handler.reloadUser(user)
+        else
+            throw RuntimeException("${chzzkChannel.channelName} doesn't have handler")
+    }
+
+    fun runStreamInfo() {
+        running = true
+
+        val threadRunner1 = Runnable {
+            logger.info("Thread 1 started!")
+            while (running) {
+                handlers.forEach {
+                    if (!running) return@forEach
+                    try {
+                        val streamInfo = Connector.getLive(it.channel.channelId)
+                        if (streamInfo?.isOnline == true && !it.isActive) {
+                            try {
+                                it.isActive(true, streamInfo)
+                            } catch(e: Exception) {
+                                logger.info("Exception: ${e.stackTraceToString()}")
+                            }
+                        }
+                        if (streamInfo?.isOnline == false && it.isActive) it.isActive(false, streamInfo)
+                    } catch (e: SocketTimeoutException) {
+                        logger.info("Thread 1 Timeout: ${it.channel.channelName} / ${e.stackTraceToString()}")
+                    } catch (e: Exception) {
+                        logger.info("Thread 1 Exception: ${it.channel.channelName} / ${e.stackTraceToString()}")
+                    } finally {
+                        Thread.sleep(5000)
+                    }
+                }
+                Thread.sleep(60000)
+            }
+        }
+
+        val threadRunner2 = Runnable {
+            logger.info("Thread 2 started!")
+            logger.info("Thread 2 started!")
+            while (running) {
+                handlers.forEach {
+                    if (!running) return@forEach
+                    try {
+                        val streamInfo = Connector.getLive(it.channel.channelId)
+                        if (streamInfo?.isOnline == true && !it.isActive) {
+                            try {
+                                it.isActive(true, streamInfo)
+                            } catch(e: Exception) {
+                                logger.info("Exception: ${e.stackTraceToString()}")
+                            }
+                        }
+                        if (streamInfo?.isOnline == false && it.isActive) it.isActive(false, streamInfo)
+                    } catch (e: SocketTimeoutException) {
+                        logger.info("Thread 1 Timeout: ${it.channel.channelName} / ${e.stackTraceToString()}")
+                    } catch (e: Exception) {
+                        logger.info("Thread 1 Exception: ${it.channel.channelName} / ${e.stackTraceToString()}")
+                    } finally {
+                        Thread.sleep(5000)
+                    }
+                }
+                Thread.sleep(60000)
+            }
+        }
+
+        fun startThread(name: String, runner: Runnable) {
+            Thread({
+                while(running) {
+                    try {
+                        val thread = Thread(runner, name)
+                        thread.start()
+                        thread.join()
+                    } catch(e: Exception) {
+                        logger.error("Thread $name Exception: ${e.stackTraceToString()}")
+                    }
+                    if(running) {
+                        logger.info("Thread $name restart in 5 seconds")
+                        Thread.sleep(5000)
+                    }
+                }
+            }, "${name}-runner").start()
+        }
+
+        // 첫 번째 스레드 시작
+        startThread("Chzzk-StreamInfo-1", threadRunner1)
+
+        // 85초 대기 후 두 번째 스레드 시작
+        CoroutineScope(Dispatchers.Default).launch {
+            delay(95000) // start with 95 secs after.
+            if (running) {
+                startThread("Chzzk-StreamInfo-2", threadRunner2)
+            }
+        }
+    }
+
+    fun stopStreamInfo() {
+        running = false
+    }
+}
+
+@OptIn(DelicateCoroutinesApi::class)
+class UserHandler(
+    val channel: ChzzkChannel,
+    val logger: Logger,
+    private var user: User,
+    var streamStartTime: LocalDateTime?,
+) {
+    var messageHandler: MessageHandler
+    var client: ChzzkClient
+    var listener: ChzzkUserSession
+    var chatChannelId: String?
+
+    private val dispatcher: CoroutinesEventBus by inject(CoroutinesEventBus::class.java)
+    private var _isActive: Boolean
+        get() = LiveStatusService.getLiveStatus(user)?.status ?: false
+        set(value) {
+            LiveStatusService.updateOrCreate(user, value)
+        }
+
+    init {
+        val user = UserService.getUser(channel.channelId)
+
+        if(user?.accessToken == null || user.refreshToken == null) {
+            throw RuntimeException("AccessToken or RefreshToken is not valid.")
+        }
+        try {
+            val tokens = user.refreshToken?.let { token -> Connector.client.refreshAccessToken(token) }
+            if(tokens == null) {
+                throw RuntimeException("AccessToken is not valid.")
+            }
+            client = Connector.getClient(tokens.first, tokens.second)
+            UserService.setRefreshToken(user, tokens.first, tokens.second)
+            chatChannelId = getChzzkChannelId(channel.channelId)
+
+            client.loginAsync().join()
+            listener = ChzzkSessionBuilder(client).buildUserSession()
+            listener.createAndConnectAsync().join()
+            messageHandler = MessageHandler(this@UserHandler)
+
+            listener.on(SessionChatMessageEvent::class.java) {
+                messageHandler.handle(it.message, user)
+            }
+
+            GlobalScope.launch {
+                val timer = TimerConfigService.getConfig(user)
+                if (timer?.option == TimerType.UPTIME.value)
+                    dispatcher.post(
+                        TimerEvent(
+                            channel.channelId,
+                            TimerType.UPTIME,
+                            getUptime(streamStartTime!!)
+                        )
+                    )
+                else dispatcher.post(
+                    TimerEvent(
+                        channel.channelId,
+                        TimerType.entries.firstOrNull { it.value == timer?.option } ?: TimerType.REMOVE,
+                        null
+                    )
+                )
+            }
+            
+        } catch(e: Exception) {
+            logger.error("Exception(${user.username}): ${e.stackTraceToString()}")
+            throw RuntimeException("Exception: ${e.stackTraceToString()}")
+        }
+    }
+
+    internal fun disable() {
+        listener.disconnectAsync().join()
+        _isActive = false
+    }
+
+    internal fun reloadCommand() {
+        messageHandler.reloadCommand()
+    }
+
+    internal fun reloadUser(user: User) {
+        this.user = user
+    }
+
+    internal val isActive: Boolean
+        get() = _isActive
+
+    internal fun isActive(value: Boolean, status: ChzzkLiveDetail) {
+        if(value) {
+            CoroutineScope(Dispatchers.Default).launch {
+                logger.info("${user.username} is live.")
+
+                reloadUser(UserService.getUser(user.id.value)!!)
+
+                logger.info("ChzzkChat connecting... ${channel.channelName} - ${channel.channelId}")
+                listener.subscribeAsync(ChzzkSessionSubscriptionType.CHAT).join()
+
+                streamStartTime = LocalDateTime.now()
+
+                if(!_isActive) {
+                    _isActive = true
+                    when(TimerConfigService.getConfig(UserService.getUser(channel.channelId)!!)?.option) {
+                        TimerType.UPTIME.value -> dispatcher.post(
+                            TimerEvent(
+                                channel.channelId,
+                                TimerType.UPTIME,
+                                getUptime(streamStartTime!!)
+                            )
+                        )
+
+                        else -> dispatcher.post(
+                            TimerEvent(
+                                channel.channelId,
+                                TimerType.REMOVE,
+                                ""
+                            )
+                        )
+                    }
+                    delay(5000L)
+                    try {
+                        if(!user.isDisableStartupMsg)
+                            sendChat("${user.username} 님! 오늘도 열심히 방송하세요!")
+                        Discord.sendDiscord(user, status)
+                    } catch(e: Exception) {
+                        logger.info("Stream on logic has some error: ${e.stackTraceToString()}")
+                    }
+                }
+            }
+        } else {
+            logger.info("${user.username} is offline.")
+            streamStartTime = null
+            listener.disconnectAsync().join()
+            _isActive = false
+
+            CoroutineScope(Dispatchers.Default).launch {
+                val events = listOf(
+                    TimerEvent(
+                        channel.channelId,
+                        TimerType.STREAM_OFF,
+                        null
+                    ),
+                    SongEvent(
+                        channel.channelId,
+                        SongType.STREAM_OFF,
+                        null,
+                        null,
+                        null,
+                        null,
+                    )
+                )
+
+                events.forEach { dispatcher.post(it) }
+            }
+        }
+    }
+
+    private fun String.limitUtf8Length(maxBytes: Int): String {
+        val bytes = this.toByteArray(Charset.forName("UTF-8"))
+        if (bytes.size <= maxBytes) return this
+        var truncatedString = this
+        while (truncatedString.toByteArray(Charset.forName("UTF-8")).size > maxBytes) {
+            truncatedString = truncatedString.substring(0, truncatedString.length - 1)
+        }
+        return truncatedString
+    }
+
+    @OptIn(DelicateCoroutinesApi::class)
+    internal fun sendChat(msg: String) {
+        GlobalScope.launch {
+            delay(100L)
+            client.sendChatToLoggedInChannel(msg.limitUtf8Length(100))
+        }
+    }
+}

chatbot/src/main/kotlin/space/mori/chzzk_bot/chatbot/chzzk/Connector.kt

@@ -0,0 +1,66 @@
+package space.mori.chzzk_bot.chatbot.chzzk
+
+import io.github.cdimascio.dotenv.dotenv
+import kotlinx.coroutines.DelicateCoroutinesApi
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import org.koin.java.KoinJavaComponent.inject
+import org.slf4j.LoggerFactory
+import space.mori.chzzk_bot.common.events.ChzzkUserFindEvent
+import space.mori.chzzk_bot.common.events.ChzzkUserReceiveEvent
+import space.mori.chzzk_bot.common.events.CoroutinesEventBus
+import xyz.r2turntrue.chzzk4j.ChzzkClient
+import xyz.r2turntrue.chzzk4j.ChzzkClientBuilder
+import xyz.r2turntrue.chzzk4j.auth.ChzzkLegacyLoginAdapter
+import xyz.r2turntrue.chzzk4j.auth.ChzzkSimpleUserLoginAdapter
+import xyz.r2turntrue.chzzk4j.types.channel.ChzzkChannel
+import xyz.r2turntrue.chzzk4j.types.channel.live.ChzzkLiveDetail
+import kotlin.getValue
+
+val dotenv = dotenv {
+    ignoreIfMissing = true
+}
+
+@OptIn(DelicateCoroutinesApi::class)
+object Connector {
+    val adapter = ChzzkLegacyLoginAdapter(dotenv["NID_AUT"], dotenv["NID_SES"])
+    val client: ChzzkClient = ChzzkClientBuilder(dotenv["NAVER_CLIENT_ID"], dotenv["NAVER_CLIENT_SECRET"])
+        .withLoginAdapter(adapter)
+        .build()
+    private val logger = LoggerFactory.getLogger(this::class.java)
+    private val dispatcher: CoroutinesEventBus by inject(CoroutinesEventBus::class.java)
+
+    fun getChannel(channelId: String): ChzzkChannel? = client.fetchChannel(channelId)
+    fun getLive(channelId: String): ChzzkLiveDetail? = client.fetchLiveDetail(channelId)
+
+    init {
+        logger.info("chzzk logged: ${client.isLoggedIn}")
+
+        client.loginAsync().join()
+
+        dispatcher.subscribe(ChzzkUserFindEvent::class) { event ->
+            GlobalScope.launch {
+                val user = getChannel(event.uid)
+
+                dispatcher.post(ChzzkUserReceiveEvent(
+                    find = user != null,
+                    uid = user?.channelId,
+                    nickname = user?.channelName,
+                    isStreamOn = user?.isBroadcasting,
+                    avatarUrl = user?.channelImageUrl
+                ))
+            }
+        }
+    }
+
+    fun getClient(accessToken: String, refreshToken: String): ChzzkClient {
+        val adapter = ChzzkSimpleUserLoginAdapter(accessToken, refreshToken)
+        val client = ChzzkClientBuilder(dotenv["NAVER_CLIENT_ID"], dotenv["NAVER_CLIENT_SECRET"])
+            .withLoginAdapter(adapter)
+            .build()
+
+        return client
+    }
+
+
+}

chatbot/src/main/kotlin/space/mori/chzzk_bot/chatbot/chzzk/MessageHandler.kt

@@ -0,0 +1,400 @@
+package space.mori.chzzk_bot.chatbot.chzzk
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import org.koin.java.KoinJavaComponent.inject
+import space.mori.chzzk_bot.chatbot.discord.Discord.Companion.bot
+import space.mori.chzzk_bot.common.events.*
+import space.mori.chzzk_bot.common.models.User
+import space.mori.chzzk_bot.common.services.*
+import space.mori.chzzk_bot.common.utils.getFollowDate
+import space.mori.chzzk_bot.common.utils.getUptime
+import space.mori.chzzk_bot.common.utils.getYoutubeVideo
+import xyz.r2turntrue.chzzk4j.chat.ChatMessage
+import xyz.r2turntrue.chzzk4j.chat.ChzzkChat
+import xyz.r2turntrue.chzzk4j.session.ChzzkUserSession
+import xyz.r2turntrue.chzzk4j.session.message.SessionChatMessage
+import java.time.LocalDateTime
+import java.time.format.DateTimeFormatter
+import java.time.temporal.ChronoUnit
+
+class MessageHandler(
+    private val handler: UserHandler
+) {
+    private val commands = mutableMapOf<String, (msg: SessionChatMessage, user: User) -> Unit>()
+
+    private val counterPattern = Regex("<counter:([^>]+)>")
+    private val personalCounterPattern = Regex("<counter_personal:([^>]+)>")
+    private val dailyCounterPattern = Regex("<daily_counter:([^>]+)>")
+    private val namePattern = Regex("<name>")
+    private val followPattern = Regex("<following>")
+    private val daysPattern = """<days:(\d{4})-(\d{2})-(\d{2})>""".toRegex()
+
+    private val channel = handler.channel
+    private val logger = handler.logger
+    private val listener = handler.listener
+
+    private val dispatcher: CoroutinesEventBus by inject(CoroutinesEventBus::class.java)
+
+    init {
+        reloadCommand()
+        dispatcher.subscribe(SongEvent::class) {
+            if(it.type == SongType.STREAM_OFF) {
+                val user = UserService.getUser(channel.channelId)
+                if(! user?.let { usr -> SongListService.getSong(usr) }.isNullOrEmpty()) {
+                    SongListService.deleteUser(user)
+                }
+            }
+        }
+    }
+
+    internal fun reloadCommand() {
+        val user = UserService.getUser(channel.channelId)
+            ?: throw RuntimeException("User not found. it's bug? ${channel.channelName} - ${channel.channelId}")
+        val commands = CommandService.getCommands(user)
+        val manageCommands = mapOf(
+            "!명령어" to this::commandListCommand,
+            "!명령어추가" to this::manageAddCommand,
+            "!명령어삭제" to this::manageRemoveCommand,
+            "!명령어수정" to this::manageUpdateCommand,
+            "!시간" to this::timerCommand,
+            "!신청곡" to this::songAddCommand,
+            "!노래목록" to this::songListCommand,
+            "!노래시작" to this::songStartCommand,
+        )
+
+        manageCommands.forEach { (commandName, command) ->
+            this.commands[commandName] = command
+        }
+
+        commands.map {
+            this.commands.put(it.command.lowercase()) { msg, user ->
+                logger.debug("${channel.channelName} - ${it.command} - ${it.content}/${it.failContent}")
+
+                val result = replaceCounters(
+                    Pair(it.content, it.failContent),
+                    user,
+                    msg,
+                    msg.profile?.nickname ?: ""
+                )
+                handler.sendChat(result)
+            }
+        }
+    }
+
+    private fun commandListCommand(msg: SessionChatMessage, user: User) {
+        handler.sendChat("리스트는 여기입니다. https://nabot.mori.space/commands/${user.token}")
+    }
+
+    private fun manageAddCommand(msg: SessionChatMessage, user: User) {
+        if (msg.profile.badges.none { it.imageUrl.contains("manager") }) {
+            handler.sendChat("매니저만 명령어를 추가할 수 있습니다.")
+            return
+        }
+
+        val parts = msg.content.split(" ", limit = 3)
+        if (parts.size < 3) {
+            handler.sendChat("명령어 추가 형식은 '!명령어추가 명령어 내용'입니다.")
+            return
+        }
+        if (commands.containsKey(parts[1])) {
+            handler.sendChat("${parts[1]} 명령어는 이미 있는 명령어입니다.")
+            return
+        }
+        val command = parts[1]
+        val content = parts[2]
+        CommandService.saveCommand(user, command, content, "")
+        handler.sendChat("명령어 '$command' 추가되었습니다.")
+    }
+
+    private fun manageUpdateCommand(msg: SessionChatMessage, user: User) {
+        if (msg.profile.badges.none { it.imageUrl.contains("manager") }) {
+            handler.sendChat("매니저만 명령어를 추가할 수 있습니다.")
+            return
+        }
+
+        val parts = msg.content.split(" ", limit = 3)
+        if (parts.size < 3) {
+            handler.sendChat("명령어 수정 형식은 '!명령어수정 명령어 내용'입니다.")
+            return
+        }
+        if (!commands.containsKey(parts[1])) {
+            handler.sendChat("${parts[1]} 명령어는 없는 명령어입니다.")
+            return
+        }
+        val command = parts[1]
+        val content = parts[2]
+        CommandService.updateCommand(user, command, content, "")
+        handler.sendChat("명령어 '$command' 수정되었습니다.")
+        ChzzkHandler.reloadCommand(channel)
+    }
+
+    private fun manageRemoveCommand(msg: SessionChatMessage, user: User) {
+        if (msg.profile.badges.none { it.imageUrl.contains("manager") }) {
+            handler.sendChat("매니저만 명령어를 삭제할 수 있습니다.")
+            return
+        }
+
+        val parts = msg.content.split(" ", limit = 2)
+        if (parts.size < 2) {
+            handler.sendChat("명령어 삭제 형식은 '!명령어삭제 명령어'입니다.")
+            return
+        }
+        val command = parts[1]
+        CommandService.removeCommand(user, command)
+        handler.sendChat("명령어 '$command' 삭제되었습니다.")
+        ChzzkHandler.reloadCommand(channel)
+    }
+
+    private fun timerCommand(msg: SessionChatMessage, user: User) {
+        if (msg.profile.badges.none { it.imageUrl.contains("manager") }) {
+            handler.sendChat("매니저만 이 명령어를 사용할 수 있습니다.")
+            return
+        }
+
+        val parts = msg.content.split(" ", limit = 3)
+        if (parts.size < 2) {
+            handler.sendChat("타이머 명령어 형식을 잘 찾아봐주세요!")
+            return
+        }
+
+        val command = parts[1]
+        when (parts[1]) {
+            "업타임" -> {
+                logger.debug("${user.token} / 업타임")
+
+                CoroutineScope(Dispatchers.Default).launch {
+                    dispatcher.post(
+                        TimerEvent(
+                            user.token,
+                            TimerType.UPTIME,
+                            getUptime(handler.streamStartTime!!)
+                        )
+                    )
+                }
+            }
+            "삭제" -> {
+                logger.debug("${user.token} / 삭제")
+                CoroutineScope(Dispatchers.Default).launch {
+                    dispatcher.post(TimerEvent(user.token, TimerType.REMOVE, ""))
+                }
+            }
+            "설정" -> {
+                when (parts[2]) {
+                    "업타임" -> {
+                        TimerConfigService.saveOrUpdateConfig(user, TimerType.UPTIME)
+                        handler.sendChat("기본 타이머 설정이 업타임으로 바뀌었습니다.")
+                    }
+                    "삭제" -> {
+                        TimerConfigService.saveOrUpdateConfig(user, TimerType.REMOVE)
+                        handler.sendChat("기본 타이머 설정이 삭제로 바뀌었습니다.")
+                    }
+                    else -> handler.sendChat("!타이머 설정 (업타임/삭제) 형식으로 써주세요!")
+                }
+            }
+            else -> {
+                logger.debug("${user.token} / 그외")
+                try {
+                    val time = command.toInt()
+                    val currentTime = LocalDateTime.now()
+                    val timestamp = currentTime.plus(time.toLong(), ChronoUnit.MINUTES)
+
+                    CoroutineScope(Dispatchers.Default).launch {
+                        dispatcher.post(TimerEvent(user.token, TimerType.TIMER, timestamp.toString()))
+                    }
+                } catch (e: NumberFormatException) {
+                    handler.sendChat("!타이머/숫자 형식으로 적어주세요! 단위: 분")
+                } catch (e: Exception) {
+                    handler.sendChat("타이머 설정 중 오류가 발생했습니다.")
+                    logger.error("Error processing timer command: ${e.message}", e)
+                }
+            }
+        }
+    }
+
+    // songs
+    private fun songAddCommand(msg: SessionChatMessage, user: User) {
+        if(SongConfigService.getConfig(user).disabled) {
+            return
+        }
+
+        val parts = msg.content.split(" ", limit = 2)
+        if (parts.size < 2) {
+            handler.sendChat("유튜브 URL을 입력해주세요!")
+            return
+        }
+
+        val config = SongConfigService.getConfig(user)
+
+        if(config.streamerOnly && msg.profile.badges.none { it.imageUrl.contains("manager") }) {
+            handler.sendChat("매니저만 이 명령어를 사용할 수 있습니다.")
+            return
+        }
+
+        val url = parts[1]
+        val songs = SongListService.getSong(user)
+
+        if(songs.size >= config.queueLimit) {
+            handler.sendChat("더이상 노래를 신청할 수 없습니다. 잠시 뒤 다시 시도해주세요!")
+            return
+        }
+        if(songs.filter { it.uid == msg.senderChannelId }.size  >= config.personalLimit) {
+            handler.sendChat("더이상 노래를 신청할 수 없습니다. 잠시 뒤 다시 시도해주세요!")
+            return
+        }
+
+        try {
+            val video = getYoutubeVideo(url)
+            if (video == null) {
+                handler.sendChat("유튜브에서 찾을 수 없어요!")
+                return
+            }
+
+            if (songs.any { it.url == video.url }) {
+                handler.sendChat("같은 노래가 이미 신청되어 있습니다.")
+                return
+            }
+
+            if (video.length > 600) {
+                handler.sendChat("10분이 넘는 노래는 신청할 수 없습니다.")
+                return
+            }
+
+            SongListService.saveSong(
+                user,
+                msg.senderChannelId,
+                video.url,
+                video.name,
+                video.author,
+                video.length,
+                msg.profile?.nickname ?: ""
+            )
+            CoroutineScope(Dispatchers.Default).launch {
+                dispatcher.post(
+                    SongEvent(
+                        user.token,
+                        SongType.ADD,
+                        msg.senderChannelId,
+                        null,
+                        video,
+                    )
+                )
+            }
+
+            handler.sendChat("노래가 추가되었습니다. ${video.name} - ${video.author}")
+        } catch(e: Exception) {
+            handler.sendChat("유튜브 영상 주소로 다시 신청해주세요!")
+            logger.info(e.stackTraceToString())
+        }
+    }
+
+    private fun songListCommand(msg: SessionChatMessage, user: User) {
+        if(SongConfigService.getConfig(user).disabled) {
+            return
+        }
+        
+        handler.sendChat("리스트는 여기입니다. https://nabot.mori.space/songs/${user.token}")
+    }
+
+    private fun songStartCommand(msg: SessionChatMessage, user: User) {
+        if (msg.profile.badges.none { it.imageUrl.contains("manager") }) {
+            handler.sendChat("매니저만 이 명령어를 사용할 수 있습니다.")
+            return
+        }
+
+
+        if(user.discord != null) {
+            bot.retrieveUserById(user.discord!!).queue { discordUser ->
+                discordUser?.openPrivateChannel()?.queue { channel ->
+                    channel.sendMessage("여기로 접속해주세요! ||https://nabot.mori.space/songlist||.")
+                        .queue()
+                }
+            }
+        } else {
+            handler.sendChat("나봇 홈페이지의 노래목록 페이지를 이용해주세요! 디스코드 연동을 하시면 DM으로 바로 전송됩니다.")
+        }
+    }
+
+    internal fun handle(msg: SessionChatMessage, user: User) {
+        if(msg.senderChannelId == ChzzkHandler.botUid) return
+
+        val commandKey = msg.content.split(' ')[0]
+        commands[commandKey.lowercase()]?.let { it(msg, user) }
+    }
+
+    private fun replaceCounters(chat: Pair<String, String>, user: User, msg: SessionChatMessage, userName: String): String {
+        var result = chat.first
+        var isFail = false
+
+        // Replace dailyCounterPattern
+        result = dailyCounterPattern.replace(result) { matchResult ->
+            val name = matchResult.groupValues[1]
+            val dailyCounter = CounterService.getDailyCounterValue(name, msg.senderChannelId, user)
+
+            if (dailyCounter.second) {
+                CounterService.updateDailyCounterValue(name, msg.senderChannelId, 1, user).first.toString()
+            } else {
+                isFail = true
+                dailyCounter.first.toString()
+            }
+        }
+
+        // Handle fail case
+        if (isFail && chat.second.isNotEmpty()) {
+            result = chat.second
+            result = dailyCounterPattern.replace(result) { matchResult ->
+                val name = matchResult.groupValues[1]
+                val dailyCounter = CounterService.getDailyCounterValue(name, msg.senderChannelId, user)
+                dailyCounter.first.toString()
+            }
+        }
+
+        // Replace followPattern
+        result = followPattern.replace(result) { _ ->
+            try {
+                val followingDate = handler.chatChannelId?.let { getFollowDate(it, msg.senderChannelId) }
+                    ?.content?.streamingProperty?.following?.followDate ?: LocalDateTime.now().minusDays(1).toString()
+
+                val period = followingDate.let {
+                    val formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")
+                    val pastDate = LocalDateTime.parse(it, formatter)
+                    val today = LocalDateTime.now()
+                    ChronoUnit.DAYS.between(pastDate, today)
+                } + 1
+
+                period.toString()
+            } catch (e: Exception) {
+                logger.error(e.message)
+                "0"
+            }
+        }
+
+        // Replace daysPattern
+        result = daysPattern.replace(result) { matchResult ->
+            val (year, month, day) = matchResult.destructured
+            val pastDate = LocalDateTime.of(year.toInt(), month.toInt(), day.toInt(), 0, 0, 0)
+            val today = LocalDateTime.now()
+
+            val daysBetween = ChronoUnit.DAYS.between(pastDate, today)
+            daysBetween.toString()
+        }
+
+        // Replace counterPattern
+        result = counterPattern.replace(result) { matchResult ->
+            val name = matchResult.groupValues[1]
+            CounterService.updateCounterValue(name, 1, user).toString()
+        }
+
+        // Replace personalCounterPattern
+        result = personalCounterPattern.replace(result) { matchResult ->
+            val name = matchResult.groupValues[1]
+            CounterService.updatePersonalCounterValue(name, msg.senderChannelId, 1, user).toString()
+        }
+
+        // Replace namePattern
+        result = namePattern.replace(result, userName)
+
+        return result
+    }
+}

chatbot/src/main/kotlin/space/mori/chzzk_bot/chatbot/chzzk/SongModule.kt

@@ -0,0 +1,11 @@
+package space.mori.chzzk_bot.chatbot.chzzk
+
+import space.mori.chzzk_bot.common.models.User
+import space.mori.chzzk_bot.common.services.CommandService
+import xyz.r2turntrue.chzzk4j.chat.ChatMessage
+
+class SongModule {
+    companion object {
+
+    }
+}

chatbot/src/main/kotlin/space/mori/chzzk_bot/chatbot/discord/Commands.kt

@@ -1,4 +1,4 @@
-package space.mori.chzzk_bot.discord
+package space.mori.chzzk_bot.chatbot.discord
 
 import net.dv8tion.jda.api.JDA
 import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent

chatbot/src/main/kotlin/space/mori/chzzk_bot/chatbot/discord/Discord.kt

@@ -0,0 +1,129 @@
+package space.mori.chzzk_bot.chatbot.discord
+
+import io.github.cdimascio.dotenv.dotenv
+import net.dv8tion.jda.api.EmbedBuilder
+import net.dv8tion.jda.api.JDA
+import net.dv8tion.jda.api.JDABuilder
+import net.dv8tion.jda.api.entities.Activity
+import net.dv8tion.jda.api.entities.Guild
+import net.dv8tion.jda.api.entities.channel.concrete.TextChannel
+import net.dv8tion.jda.api.events.guild.GuildJoinEvent
+import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent
+import net.dv8tion.jda.api.hooks.ListenerAdapter
+import net.dv8tion.jda.api.utils.messages.MessageCreateBuilder
+import org.slf4j.LoggerFactory
+import space.mori.chzzk_bot.chatbot.discord.commands.*
+import space.mori.chzzk_bot.common.models.User
+import xyz.r2turntrue.chzzk4j.types.channel.live.ChzzkLiveDetail
+import xyz.r2turntrue.chzzk4j.types.channel.live.Resolution
+import java.time.Instant
+import kotlin.jvm.optionals.getOrNull
+
+val dotenv = dotenv {
+    ignoreIfMissing = true
+}
+
+class Discord: ListenerAdapter() {
+    private var guild: Guild? = null
+    private val logger = LoggerFactory.getLogger(this::class.java)
+
+    companion object {
+        lateinit var bot: JDA
+
+        internal fun getChannel(guildId: Long, channelId: Long): TextChannel? {
+            return bot.getGuildById(guildId)?.getTextChannelById(channelId)
+        }
+
+        fun sendDiscord(user: User, status: ChzzkLiveDetail) {
+            if(user.liveAlertMessage != null && user.liveAlertGuild != null && user.liveAlertChannel != null) {
+                val channel = getChannel(user.liveAlertGuild ?: 0, user.liveAlertChannel ?: 0)
+                    ?: throw RuntimeException("${user.liveAlertChannel} is not valid.")
+
+                val embed = EmbedBuilder()
+                embed.setTitle(status.title, "https://chzzk.naver.com/live/${user.token}")
+                embed.setDescription("${user.username} 님이 방송을 시작했습니다.")
+                embed.setTimestamp(Instant.now())
+                embed.setAuthor(user.username, "https://chzzk.naver.com/live/${user.token}")
+                embed.addField("카테고리", status.liveCategoryValue, true)
+                embed.addField("태그", status.tags.joinToString(", ") { it.trim() }, true)
+                status.defaultThumbnailImageUrl.getOrNull()?.let { embed.setImage(it) }
+                    ?: Resolution.entries.reversed().forEach {
+                        val thumbnail = status.getLiveImageUrl(it)
+                        if (thumbnail != null) {
+                            embed.setImage(thumbnail)
+                            return@forEach
+                        }
+                    }
+
+                channel.sendMessage(
+                    MessageCreateBuilder()
+                        .setContent(user.liveAlertMessage)
+                        .setEmbeds(embed.build())
+                        .build()
+                ).queue()
+            }
+        }
+    }
+
+    private val commands = listOf(
+        PingCommand,
+    )
+
+    override fun onSlashCommandInteraction(event: SlashCommandInteractionEvent) {
+        event.deferReply().queue()
+        val handler = commands.find { it.name == event.name }
+        logger.debug("Handler: ${handler?.name ?: "undefined"} command")
+        handler?.run(event, bot)
+    }
+
+    override fun onGuildJoin(event: GuildJoinEvent) {
+        commandUpdate(event.guild)
+    }
+
+    private fun commandUpdate(guild: Guild) {
+        guild.updateCommands().addCommands(* commands.map { it.command}.toTypedArray())
+            .onSuccess {
+                logger.info("Command update on guild success!")
+            }
+            .queue()
+    }
+
+    private fun commandUpdate(bot: JDA) {
+        bot.updateCommands().addCommands(* commands.map { it.command}.toTypedArray())
+            .onSuccess {
+                logger.info("Command update bot boot success!")
+            }
+            .queue()
+    }
+
+    fun enable() {
+        val thread = Thread {
+            try {
+                bot = JDABuilder.createDefault(dotenv["DISCORD_TOKEN"])
+                    .setActivity(Activity.playing("치지직 보는중"))
+                    .addEventListeners(this)
+                    .build().awaitReady()
+
+                guild = bot.getGuildById(dotenv["GUILD_ID"])
+
+                commandUpdate(bot)
+                bot.guilds.forEach {
+                    commandUpdate(it)
+                }
+            } catch (e: Exception) {
+                logger.info("Could not enable Discord!")
+                logger.debug(e.stackTraceToString())
+            }
+        }
+        thread.start()
+    }
+
+    fun disable() {
+        try {
+            bot.shutdown()
+        } catch(e: Exception) {
+            logger.info("Error while shutting down Discord!")
+            logger.debug(e.stackTraceToString())
+        }
+    }
+}

chatbot/src/main/kotlin/space/mori/chzzk_bot/chatbot/discord/commands/PingCommand.kt

@@ -1,10 +1,10 @@
-package space.mori.chzzk_bot.discord.commands
+package space.mori.chzzk_bot.chatbot.discord.commands
 
 import net.dv8tion.jda.api.JDA
 import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent
 import net.dv8tion.jda.api.interactions.commands.build.Commands
 import org.slf4j.LoggerFactory
-import space.mori.chzzk_bot.discord.CommandInterface
+import space.mori.chzzk_bot.chatbot.discord.CommandInterface
 
 object PingCommand: CommandInterface {
     private val logger = LoggerFactory.getLogger(this::class.java)

chatbot/src/main/kotlin/space/mori/chzzk_bot/chatbot/utils/accessTokenRefresh.kt

@@ -0,0 +1,58 @@
+package space.mori.chzzk_bot.chatbot.utils
+
+import com.google.gson.Gson
+import okhttp3.MediaType
+import okhttp3.MediaType.Companion.toMediaType
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import okhttp3.RequestBody.Companion.toRequestBody
+import space.mori.chzzk_bot.chatbot.chzzk.dotenv
+import space.mori.chzzk_bot.common.utils.client
+import xyz.r2turntrue.chzzk4j.ChzzkClient
+import java.io.IOException
+
+val client = OkHttpClient.Builder()
+    .addNetworkInterceptor { chain ->
+        chain.proceed(
+            chain.request()
+                .newBuilder()
+                .header("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36")
+                .build()
+        )
+    }
+    .build()
+val gson = Gson()
+
+data class RefreshTokenResponse(
+    val accessToken: String,
+    val refreshToken: String,
+    val expiresIn: Int,
+    val tokenType: String = "Bearer",
+    val scope: String
+)
+
+fun ChzzkClient.refreshAccessToken(refreshToken: String): Pair<String, String> {
+    val url = "https://openapi.chzzk.naver.com/auth/v1/token"
+    val request = Request.Builder()
+        .url(url)
+        .header("Content-Type", "application/json")
+        .post(gson.toJson(mapOf(
+            "grantType" to "refresh_token",
+            "refreshToken" to refreshToken,
+            "clientId" to dotenv["NAVER_CLIENT_ID"],
+            "clientSecret" to dotenv["NAVER_CLIENT_SECRET"]
+        )).toRequestBody("application/json; charset=utf-8".toMediaType()))
+        .build()
+
+    client.newCall(request).execute().use { response ->
+        try {
+            if(!response.isSuccessful) throw IOException("Unexpected code ${response.code}")
+            val body = response.body?.string()
+            val data = gson.fromJson(body, RefreshTokenResponse::class.java)
+
+            return Pair(data.accessToken, data.refreshToken)
+        } catch(e: Exception) {
+            throw e
+        }
+    }
+}

common/build.gradle.kts

@@ -0,0 +1,48 @@
+plugins {
+    kotlin("jvm")
+}
+
+group = project.rootProject.group
+version = project.rootProject.version
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    // https://mvnrepository.com/artifact/org.jetbrains.exposed/exposed-core
+    api("org.jetbrains.exposed:exposed-core:0.56.0")
+    // https://mvnrepository.com/artifact/org.jetbrains.exposed/exposed-dao
+    api("org.jetbrains.exposed:exposed-dao:0.56.0")
+    // https://mvnrepository.com/artifact/org.jetbrains.exposed/exposed-jdbc
+    api("org.jetbrains.exposed:exposed-jdbc:0.56.0")
+    // https://mvnrepository.com/artifact/org.jetbrains.exposed/exposed-kotlin-datetime
+    api("org.jetbrains.exposed:exposed-java-time:0.56.0")
+
+    // https://mvnrepository.com/artifact/com.zaxxer/HikariCP
+    api("com.zaxxer:HikariCP:6.1.0")
+
+    // https://mvnrepository.com/artifact/ch.qos.logback/logback-classic
+    implementation("ch.qos.logback:logback-classic:1.5.13")
+
+    // https://mvnrepository.com/artifact/org.mariadb.jdbc/mariadb-java-client
+    implementation("org.mariadb.jdbc:mariadb-java-client:3.5.0")
+
+    // https://mvnrepository.com/artifact/io.github.cdimascio/dotenv-kotlin
+    implementation("io.github.cdimascio:dotenv-kotlin:6.4.2")
+
+    // https://mvnrepository.com/artifact/com.squareup.okhttp3/okhttp
+    implementation("com.squareup.okhttp3:okhttp:4.12.0")
+
+    // https://mvnrepository.com/artifact/com.google.code.gson/gson
+    implementation("com.google.code.gson:gson:2.11.0")
+
+    testImplementation(kotlin("test"))
+}
+
+tasks.test {
+    useJUnitPlatform()
+}
+kotlin {
+    jvmToolchain(21)
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/Connector.kt

@@ -1,11 +1,16 @@
-package space.mori.chzzk_bot
+package space.mori.chzzk_bot.common
 
 import com.zaxxer.hikari.HikariConfig
 import com.zaxxer.hikari.HikariDataSource
+import io.github.cdimascio.dotenv.dotenv
 import org.jetbrains.exposed.sql.Database
 import org.jetbrains.exposed.sql.SchemaUtils
 import org.jetbrains.exposed.sql.transactions.transaction
-import space.mori.chzzk_bot.models.*
+import space.mori.chzzk_bot.common.models.*
+
+val dotenv = dotenv {
+    ignoreIfMissing = true
+}
 
 object Connector {
     private val hikariConfig = HikariConfig().apply {
@@ -19,7 +24,19 @@ object Connector {
 
     init {
         Database.connect(dataSource)
-        val tables = listOf(Users, Commands, Counters, DailyCounters, PersonalCounters, Managers)
+        val tables = listOf(
+            UserManagers,
+            Users,
+            Commands,
+            Counters,
+            DailyCounters,
+            PersonalCounters,
+            TimerConfigs,
+            LiveStatuses,
+            SongLists,
+            SongConfigs,
+            Sessions
+        )
 
         transaction {
             SchemaUtils.createMissingTablesAndColumns(* tables.toTypedArray())

common/src/main/kotlin/space/mori/chzzk_bot/common/events/BotEnabledEvent.kt

@@ -0,0 +1,8 @@
+package space.mori.chzzk_bot.common.events
+
+data class BotEnabledEvent(
+    val chzzkId: String,
+    val isDisabled: Boolean,
+): Event {
+    val TAG = javaClass.simpleName
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/events/ChzzkUserFindEvent.kt

@@ -0,0 +1,7 @@
+package space.mori.chzzk_bot.common.events
+
+data class ChzzkUserFindEvent(
+    val uid: String
+): Event {
+    val TAG = javaClass.simpleName
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/events/ChzzkUserReceiveEvent.kt

@@ -0,0 +1,11 @@
+package space.mori.chzzk_bot.common.events
+
+data class ChzzkUserReceiveEvent(
+    val find: Boolean = true,
+    val uid: String? = null,
+    val nickname: String? = null,
+    val isStreamOn: Boolean? = null,
+    val avatarUrl: String? = null,
+): Event {
+    val TAG = javaClass.simpleName
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/events/CommandReloadEvent.kt

@@ -0,0 +1,7 @@
+package space.mori.chzzk_bot.common.events
+
+data class CommandReloadEvent(
+    val uid: String
+): Event {
+    val TAG = javaClass.simpleName
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/events/DiscordRegisterEvent.kt

@@ -0,0 +1,8 @@
+package space.mori.chzzk_bot.common.events
+
+class DiscordRegisterEvent(
+    val user: String,
+    val token: String,
+): Event {
+    val TAG = javaClass.simpleName
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/events/EventBase.kt

@@ -0,0 +1,32 @@
+package space.mori.chzzk_bot.common.events
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.SharedFlow
+import kotlinx.coroutines.flow.filterIsInstance
+import kotlinx.coroutines.launch
+import kotlin.reflect.KClass
+
+interface Event
+
+interface EventBus {
+    suspend fun <T: Event> post(event: T)
+    fun <T: Event> subscribe(eventClass: KClass<T>, listener: (T) -> Unit)
+}
+
+class CoroutinesEventBus: EventBus {
+    private val _events = MutableSharedFlow<Event>()
+    val events: SharedFlow<Event> get() = _events
+
+    override suspend fun<T: Event> post(event: T) = _events.emit(event)
+
+    override fun <T: Event> subscribe(eventClass: KClass<T>, listener: (T) -> Unit) {
+        CoroutineScope(Dispatchers.Default).launch {
+            events.filterIsInstance(eventClass)
+                .collect {
+                    listener(it)
+                }
+        }
+    }
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/events/SongEvents.kt

@@ -0,0 +1,23 @@
+package space.mori.chzzk_bot.common.events
+
+import space.mori.chzzk_bot.common.utils.YoutubeVideo
+
+enum class SongType(var value: Int) {
+    ADD(0),
+    REMOVE(1),
+    NEXT(2),
+
+    STREAM_OFF(50),
+    ACK(51)
+}
+
+class SongEvent(
+    val uid: String,
+    val type: SongType,
+    val reqUid: String?,
+    val current: YoutubeVideo? = null,
+    val next: YoutubeVideo? = null,
+    val delUrl: String? = null,
+): Event {
+    var TAG = javaClass.simpleName
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/events/TimerEvents.kt

@@ -0,0 +1,18 @@
+package space.mori.chzzk_bot.common.events
+
+enum class TimerType(var value: Int) {
+    UPTIME(0),
+    TIMER(1),
+    REMOVE(2),
+
+    STREAM_OFF(50),
+    ACK(51)
+}
+
+class TimerEvent(
+    val uid: String,
+    val type: TimerType,
+    val time: String?
+): Event {
+    var TAG = javaClass.simpleName
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/events/UserRegisterEvent.kt

@@ -0,0 +1,7 @@
+package space.mori.chzzk_bot.common.events
+
+data class UserRegisterEvent(
+    val chzzkId: String
+): Event {
+    val TAG = javaClass.simpleName
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/models/Command.kt

@@ -1,4 +1,4 @@
-package space.mori.chzzk_bot.models
+package space.mori.chzzk_bot.common.models
 
 import org.jetbrains.exposed.dao.IntEntity
 import org.jetbrains.exposed.dao.IntEntityClass

common/src/main/kotlin/space/mori/chzzk_bot/common/models/Counter.kt

@@ -1,4 +1,4 @@
-package space.mori.chzzk_bot.models
+package space.mori.chzzk_bot.common.models
 
 import org.jetbrains.exposed.dao.IntEntity
 import org.jetbrains.exposed.dao.IntEntityClass

common/src/main/kotlin/space/mori/chzzk_bot/common/models/DailyCounters.kt

@@ -1,4 +1,4 @@
-package space.mori.chzzk_bot.models
+package space.mori.chzzk_bot.common.models
 
 import org.jetbrains.exposed.dao.IntEntity
 import org.jetbrains.exposed.dao.IntEntityClass

common/src/main/kotlin/space/mori/chzzk_bot/common/models/LiveStatus.kt

@@ -0,0 +1,19 @@
+package space.mori.chzzk_bot.common.models
+
+import org.jetbrains.exposed.dao.IntEntity
+import org.jetbrains.exposed.dao.IntEntityClass
+import org.jetbrains.exposed.dao.id.EntityID
+import org.jetbrains.exposed.dao.id.IntIdTable
+import org.jetbrains.exposed.sql.ReferenceOption
+
+object LiveStatuses: IntIdTable("live_statuses") {
+    val user = reference("user", Users, onDelete = ReferenceOption.CASCADE)
+    val status = bool("status")
+}
+
+class LiveStatus(id: EntityID<Int>) : IntEntity(id) {
+    companion object : IntEntityClass<LiveStatus>(LiveStatuses)
+
+    var user by User referencedOn LiveStatuses.user
+    var status by LiveStatuses.status
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/models/PersonalCounter.kt

@@ -1,4 +1,4 @@
-package space.mori.chzzk_bot.models
+package space.mori.chzzk_bot.common.models
 
 import org.jetbrains.exposed.dao.IntEntity
 import org.jetbrains.exposed.dao.IntEntityClass

common/src/main/kotlin/space/mori/chzzk_bot/common/models/Session.kt

@@ -0,0 +1,18 @@
+package space.mori.chzzk_bot.common.models
+
+import org.jetbrains.exposed.dao.IntEntity
+import org.jetbrains.exposed.dao.IntEntityClass
+import org.jetbrains.exposed.dao.id.EntityID
+import org.jetbrains.exposed.dao.id.IntIdTable
+
+object Sessions: IntIdTable("session") {
+    val key = text("key")
+    val value = text("value")
+}
+
+class Session(id: EntityID<Int>) : IntEntity(id) {
+    companion object : IntEntityClass<Session>(Sessions)
+
+    var key by Sessions.key
+    var value by Sessions.value
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/models/SongConfig.kt

@@ -0,0 +1,26 @@
+package space.mori.chzzk_bot.common.models
+
+import org.jetbrains.exposed.dao.IntEntity
+import org.jetbrains.exposed.dao.IntEntityClass
+import org.jetbrains.exposed.dao.id.EntityID
+import org.jetbrains.exposed.dao.id.IntIdTable
+import org.jetbrains.exposed.sql.ReferenceOption
+
+object SongConfigs: IntIdTable("song_config") {
+    val user = reference("user", Users, onDelete = ReferenceOption.CASCADE)
+    val token = varchar("token", 64).nullable()
+    val streamerOnly = bool("streamer_only").default(false)
+    val queueLimit = integer("queue_limit").default(50)
+    val personalLimit = integer("personal_limit").default(5)
+    val disabled = bool("disabled").default(false)
+}
+class SongConfig(id: EntityID<Int>) : IntEntity(id) {
+    companion object : IntEntityClass<SongConfig>(SongConfigs)
+
+    var user by User referencedOn SongConfigs.user
+    var token by SongConfigs.token
+    var streamerOnly by SongConfigs.streamerOnly
+    var queueLimit by SongConfigs.queueLimit
+    var personalLimit by SongConfigs.personalLimit
+    var disabled by SongConfigs.disabled
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/models/SongList.kt

@@ -0,0 +1,33 @@
+package space.mori.chzzk_bot.common.models
+
+import org.jetbrains.exposed.dao.IntEntity
+import org.jetbrains.exposed.dao.IntEntityClass
+import org.jetbrains.exposed.dao.id.EntityID
+import org.jetbrains.exposed.dao.id.IntIdTable
+import org.jetbrains.exposed.sql.javatime.datetime
+import java.time.LocalDateTime
+
+object SongLists: IntIdTable("song_list") {
+    val user = reference("user", Users)
+    val uid = varchar("uid", 64)
+    val url = varchar("url", 128)
+    val name = text("name")
+    val reqName = varchar("req_name", 80)
+    val author = text("author")
+    val time = integer("time")
+    val created_at = datetime("created_at").default(LocalDateTime.now())
+}
+
+class SongList(id: EntityID<Int>) : IntEntity(id) {
+    companion object : IntEntityClass<SongList>(SongLists)
+
+    var url by SongLists.url
+    var name by SongLists.name
+    var author by SongLists.author
+    var time by SongLists.time
+    var created_at by SongLists.created_at
+
+    var user by User referencedOn SongLists.user
+    var uid by SongLists.uid
+    var reqName by SongLists.reqName
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/models/TimerConfig.kt

@@ -0,0 +1,18 @@
+package space.mori.chzzk_bot.common.models
+
+import org.jetbrains.exposed.dao.IntEntity
+import org.jetbrains.exposed.dao.IntEntityClass
+import org.jetbrains.exposed.dao.id.EntityID
+import org.jetbrains.exposed.dao.id.IntIdTable
+import org.jetbrains.exposed.sql.ReferenceOption
+
+object TimerConfigs: IntIdTable("timer_config") {
+    val user = reference("user", Users, onDelete = ReferenceOption.CASCADE)
+    val option = integer("option")
+}
+class TimerConfig(id: EntityID<Int>) : IntEntity(id) {
+    companion object : IntEntityClass<TimerConfig>(TimerConfigs)
+
+    var user by User referencedOn TimerConfigs.user
+    var option by TimerConfigs.option
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/models/User.kt

@@ -1,4 +1,4 @@
-package space.mori.chzzk_bot.models
+package space.mori.chzzk_bot.common.models
 
 import org.jetbrains.exposed.dao.IntEntity
 import org.jetbrains.exposed.dao.IntEntityClass
@@ -9,10 +9,14 @@ import org.jetbrains.exposed.dao.id.IntIdTable
 object Users: IntIdTable("users") {
     val username = varchar("username", 255)
     val token = varchar("token", 64)
-    val discord = long("discord")
+    val discord = long("discord").nullable()
     val liveAlertGuild = long("live_alert_guild").nullable()
     val liveAlertChannel = long("live_alert_channel").nullable()
     val liveAlertMessage = text("live_alert_message").nullable()
+    val isDisableStartupMsg = bool("is_disable_startup_msg").default(false)
+    val isDisabled = bool("is_disabled").default(false)
+    val accessToken = varchar("access_token", 255).nullable()
+    val refreshToken = varchar("refresh_token", 255).nullable()
 }
 
 class User(id: EntityID<Int>) : IntEntity(id) {
@@ -24,4 +28,15 @@ class User(id: EntityID<Int>) : IntEntity(id) {
     var liveAlertGuild by Users.liveAlertGuild
     var liveAlertChannel by Users.liveAlertChannel
     var liveAlertMessage by Users.liveAlertMessage
+    var isDisableStartupMsg by Users.isDisableStartupMsg
+    var isDisabled by Users.isDisabled
+
+    var accessToken by Users.accessToken
+    var refreshToken by Users.refreshToken
+
+    // 유저가 가진 매니저들
+    var managers by User.via(UserManagers.user, UserManagers.manager)
+
+    // 매니저가 관리하는 유저들
+    var subordinates by User.via(UserManagers.manager, UserManagers.user)
 }

common/src/main/kotlin/space/mori/chzzk_bot/common/models/UserManager.kt

@@ -0,0 +1,9 @@
+package space.mori.chzzk_bot.common.models
+
+import org.jetbrains.exposed.dao.id.IntIdTable
+import org.jetbrains.exposed.sql.ReferenceOption
+
+object UserManagers: IntIdTable("user_managers") {
+    val user = reference("user_id", Users, ReferenceOption.CASCADE)
+    val manager = reference("manager_id", Users, ReferenceOption.CASCADE)
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/services/CommandService.kt

@@ -1,17 +1,17 @@
-package space.mori.chzzk_bot.services
+package space.mori.chzzk_bot.common.services
 
 import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
 import org.jetbrains.exposed.sql.and
 import org.jetbrains.exposed.sql.transactions.transaction
 import org.jetbrains.exposed.sql.update
-import space.mori.chzzk_bot.models.Command
+import space.mori.chzzk_bot.common.models.Command
-import space.mori.chzzk_bot.models.Commands
+import space.mori.chzzk_bot.common.models.Commands
-import space.mori.chzzk_bot.models.User
+import space.mori.chzzk_bot.common.models.User
 
 object CommandService {
     fun saveCommand(user: User, command: String, content: String, failContent: String): Command {
         return transaction {
-            return@transaction Command.new {
+            Command.new {
                 this.user = user
                 this.command = command
                 this.content = content

common/src/main/kotlin/space/mori/chzzk_bot/common/services/CounterService.kt

@@ -1,8 +1,8 @@
-package space.mori.chzzk_bot.services
+package space.mori.chzzk_bot.common.services
 
 import org.jetbrains.exposed.sql.and
 import org.jetbrains.exposed.sql.transactions.transaction
-import space.mori.chzzk_bot.models.*
+import space.mori.chzzk_bot.common.models.*
 import java.time.LocalDate
 
 object CounterService {

common/src/main/kotlin/space/mori/chzzk_bot/common/services/LiveStatusService.kt

@@ -0,0 +1,30 @@
+package space.mori.chzzk_bot.common.services
+
+import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
+import org.jetbrains.exposed.sql.transactions.transaction
+import space.mori.chzzk_bot.common.models.LiveStatus
+import space.mori.chzzk_bot.common.models.LiveStatuses
+import space.mori.chzzk_bot.common.models.User
+
+object LiveStatusService {
+    fun updateOrCreate(user: User, status: Boolean): LiveStatus {
+        return transaction {
+            return@transaction when(val liveStatus = LiveStatus.find(LiveStatuses.user eq user.id).firstOrNull()) {
+                null -> LiveStatus.new {
+                    this.user = user
+                    this.status = status
+                }
+                else -> {
+                    liveStatus.status = status
+                    liveStatus
+                }
+            }
+        }
+    }
+
+    fun getLiveStatus(user: User): LiveStatus? {
+        return transaction {
+            LiveStatus.find(LiveStatuses.user eq user.id).firstOrNull()
+        }
+    }
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/services/SongConfigService.kt

@@ -0,0 +1,73 @@
+package space.mori.chzzk_bot.common.services
+
+import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
+import org.jetbrains.exposed.sql.transactions.transaction
+import space.mori.chzzk_bot.common.models.SongConfig
+import space.mori.chzzk_bot.common.models.SongConfigs
+import space.mori.chzzk_bot.common.models.User
+
+object SongConfigService {
+    private fun initConfig(user: User): SongConfig {
+        return transaction {
+            SongConfig.new {
+                this.user = user
+            }
+        }
+    }
+
+    fun getConfig(user: User): SongConfig {
+        return transaction {
+            var songConfig = SongConfig.find(SongConfigs.user eq user.id).firstOrNull()
+            if (songConfig == null) {
+                songConfig = initConfig(user)
+            }
+            songConfig
+        }
+
+    }
+
+    fun updatePersonalLimit(user: User, limit: Int): SongConfig {
+        return transaction {
+            var songConfig = SongConfig.find(SongConfigs.user eq user.id).firstOrNull()
+            if (songConfig == null) {
+                songConfig = initConfig(user)
+            }
+            songConfig.personalLimit = limit
+            songConfig
+        }
+    }
+    fun updateQueueLimit(user: User, limit: Int): SongConfig {
+        return transaction {
+            var songConfig = SongConfig.find(SongConfigs.user eq user.id).firstOrNull()
+            if (songConfig == null) {
+                songConfig = initConfig(user)
+            }
+            songConfig.queueLimit = limit
+            songConfig
+        }
+    }
+
+    fun updateStreamerOnly(user: User, config: Boolean): SongConfig {
+        return transaction {
+            var songConfig = SongConfig.find(SongConfigs.user eq user.id).firstOrNull()
+            if (songConfig == null) {
+                songConfig = initConfig(user)
+            }
+            songConfig.streamerOnly = config
+
+            songConfig
+        }
+    }
+
+    fun updateDisabled(user: User, config: Boolean): SongConfig {
+        return transaction {
+            var songConfig = SongConfig.find(SongConfigs.user eq user.id).firstOrNull()
+            if (songConfig == null) {
+                songConfig = initConfig(user)
+            }
+            songConfig.disabled = config
+
+            songConfig
+        }
+    }
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/services/SongListService.kt

@@ -0,0 +1,63 @@
+package space.mori.chzzk_bot.common.services
+
+import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
+import org.jetbrains.exposed.sql.and
+import org.jetbrains.exposed.sql.transactions.transaction
+import space.mori.chzzk_bot.common.models.SongList
+import space.mori.chzzk_bot.common.models.SongLists
+import space.mori.chzzk_bot.common.models.User
+
+object SongListService {
+    fun saveSong(user: User, uid: String, url: String, name: String, author: String, time: Int, reqName: String) {
+        return transaction {
+            SongList.new {
+                this.user = user
+                this.uid = uid
+                this.url = url
+                this.name = name
+                this.author = author
+                this.time = time
+                this.reqName = reqName
+            }
+        }
+    }
+
+    fun getSong(user: User, uid: String): List<SongList> {
+        return transaction {
+            SongList.find(
+                (SongLists.user eq user.id) and
+                    (SongLists.uid eq uid)
+            ).toList()
+        }
+    }
+
+    fun getSong(user: User): List<SongList> {
+        return transaction {
+            SongList.find(SongLists.user eq user.id).toList().sortedBy { it.created_at }
+        }
+    }
+
+    fun deleteSong(user: User, uid: String, name: String): SongList {
+        return transaction {
+            val songRow = SongList.find(
+                (SongLists.user eq user.id) and
+                    (SongLists.uid eq uid) and
+                    (SongLists.name eq name)
+            ).firstOrNull()
+
+            songRow ?: throw RuntimeException("Song not found! ${user.username} / $uid / $name")
+
+            songRow.delete()
+            songRow
+        }
+    }
+
+    fun deleteUser(user: User): Boolean {
+        return transaction {
+            val songRow = SongList.find(SongLists.user eq user.id).toList()
+
+            songRow.forEach { it.delete() }
+            true
+        }
+    }
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/services/TimerConfigService.kt

@@ -0,0 +1,48 @@
+package space.mori.chzzk_bot.common.services
+
+import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
+import org.jetbrains.exposed.sql.transactions.transaction
+import org.jetbrains.exposed.sql.update
+import space.mori.chzzk_bot.common.events.TimerType
+import space.mori.chzzk_bot.common.models.TimerConfig
+import space.mori.chzzk_bot.common.models.TimerConfigs
+import space.mori.chzzk_bot.common.models.User
+
+object TimerConfigService {
+    fun saveConfig(user: User, timerConfig: TimerType) {
+        return transaction {
+            TimerConfig.new {
+                this.user = user
+                this.option = timerConfig.value
+            }
+        }
+    }
+
+    fun updateConfig(user: User, timerConfig: TimerType) {
+        return transaction {
+            val updated = TimerConfigs.update({
+                TimerConfigs.user eq user.id
+            }) {
+                it[option] = timerConfig.value
+            }
+
+            if (updated == 0) throw RuntimeException("TimerConfig not found! ${user.username}")
+
+            TimerConfig.find { TimerConfigs.user eq user.id }.first()
+        }
+    }
+
+    fun getConfig(user: User): TimerConfig? {
+        return transaction {
+            TimerConfig.find(TimerConfigs.user eq user.id).firstOrNull()
+        }
+    }
+
+    fun saveOrUpdateConfig(user: User, timerConfig: TimerType) {
+        return if (getConfig(user) == null) {
+            saveConfig(user, timerConfig)
+        } else {
+            updateConfig(user, timerConfig)
+        }
+    }
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/services/UserService.kt

@@ -0,0 +1,115 @@
+package space.mori.chzzk_bot.common.services
+
+import org.jetbrains.exposed.dao.load
+import org.jetbrains.exposed.sql.transactions.transaction
+import space.mori.chzzk_bot.common.models.User
+import space.mori.chzzk_bot.common.models.Users
+
+object UserService {
+    fun saveUser(username: String, token: String): User {
+        return transaction {
+            User.new {
+                this.username = username
+                this.token = token
+            }
+        }
+    }
+
+    fun updateUser(user: User, chzzkId: String, username: String): User {
+        return transaction {
+            user.token = chzzkId
+            user.username = username
+
+            user
+        }
+    }
+
+    fun updateUser(user: User, discordID: Long): User {
+        return transaction {
+            user.discord = discordID
+            user.load(User::subordinates, User::managers)
+            user
+        }
+    }
+
+    fun getUser(id: Int): User? {
+        return transaction {
+            val user = User.find{ Users.id eq id }.firstOrNull()
+            user?.load(User::subordinates, User::managers)
+            user
+        }
+    }
+
+    fun getUser(discordID: Long): User? {
+        return transaction {
+            val user = User.find{ Users.discord eq discordID }.firstOrNull()
+            user?.load(User::subordinates, User::managers)
+            user
+        }
+    }
+
+    fun getUser(chzzkID: String): User? {
+        return transaction {
+            val user = User.find{ Users.token eq chzzkID }.firstOrNull()
+            user?.load(User::subordinates, User::managers)
+            user
+        }
+    }
+
+    fun getUserWithGuildId(discordGuildId: Long): User? {
+        return transaction {
+            val user = User.find { Users.liveAlertGuild eq discordGuildId }.firstOrNull()
+            user?.load(User::subordinates, User::managers)
+            user
+        }
+    }
+
+    fun getAllUsers(): List<User> {
+        return transaction {
+            User.all().toList()
+        }
+    }
+
+    fun updateLiveAlert(user: User, guildId: Long, channelId: Long, alertMessage: String?): User {
+        return transaction {
+            user.liveAlertGuild = guildId
+            user.liveAlertChannel = channelId
+            user.liveAlertMessage = alertMessage ?: ""
+
+            user.load(User::subordinates, User::managers)
+
+            user
+        }
+    }
+
+    fun setIsDisabled(user: User, disabled: Boolean): User {
+        return transaction {
+            user.isDisabled = disabled
+
+            user
+        }
+    }
+
+    fun setIsStartupDisabled(user: User, disabled: Boolean): User {
+        return transaction {
+            user.isDisableStartupMsg = disabled
+
+            user
+        }
+    }
+
+    fun setAccessToken(user: User, accessToken: String): User {
+        return transaction {
+            user.accessToken = accessToken
+            user
+        }
+    }
+
+    fun setRefreshToken(user: User, accessToken: String, refreshToken: String): User {
+        return transaction {
+            user.accessToken = accessToken
+            user.refreshToken = refreshToken
+            user
+        }
+    }
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/utils/ChzzkApis.kt

@@ -1,4 +1,4 @@
-package space.mori.chzzk_bot.chzzk
+package space.mori.chzzk_bot.common.utils
 
 import com.google.gson.Gson
 import com.google.gson.reflect.TypeToken
@@ -52,47 +52,18 @@ data class NicknameColor(
     val colorCode: String = ""
 )
 
-// Stream info
+data class LiveStatus(
-data class IStreamInfo(
+    val liveTitle: String,
-    val liveId: Int = 0,
+    val status: String,
-    val liveTitle: String = "",
+    val concurrentUserCount: Int,
-    val status: String = "",
+    val accumulateCount: Int,
-    val liveImageUrl: String = "",
+    val paidPromotion: Boolean,
-    val defaultThumbnailImageUrl: String? = null,
+    val adult: Boolean,
-    val concurrentUserCount: Int = 0,
+    val krOnlyViewing: Boolean,
-    val accumulateCount: Int = 0,
+    val openDate: String,
-    val openDate: String = "",
+    val closeDate: String?,
-    val closeDate: String = "",
+    val clipActive: Boolean,
-    val adult: Boolean = false,
+    val chatChannelId: String
-    val clipActive: Boolean = false,
-    val tags: List<String> = emptyList(),
-    val chatChannelId: String = "",
-    val categoryType: String = "",
-    val liveCategory: String = "",
-    val liveCategoryValue: String = "",
-    val chatActive: Boolean = true,
-    val chatAvailableGroup: String = "",
-    val paidPromotion: Boolean = false,
-    val chatAvailableCondition: String = "",
-    val minFollowerMinute: Int = 0,
-    val livePlaybackJson: String = "",
-    val p2pQuality: List<Any> = emptyList(),
-    val channel: Channel = Channel(),
-    val livePollingStatusJson: String = "",
-    val userAdultStatus: String? = null,
-    val chatDonationRankingExposure: Boolean = true,
-    val adParameter: AdParameter = AdParameter()
-)
-
-data class Channel(
-    val channelId: String = "",
-    val channelName: String = "",
-    val channelImageUrl: String = "",
-    val verifiedMark: Boolean = false
-)
-
-data class AdParameter(
-    val tag: String = ""
 )
 
 // OkHttpClient에 Interceptor 추가
@@ -108,7 +79,7 @@ val client = OkHttpClient.Builder()
     .build()
 val gson = Gson()
 
-fun getFollowDate(chatID: String, userId: String) : IData<IFollowContent> {
+fun getFollowDate(chatID: String, userId: String) : IData<IFollowContent?> {
     val url = "https://comm-api.game.naver.com/nng_main/v1/chats/$chatID/users/$userId/profile-card?chatType=STREAMING"
     val request = Request.Builder()
         .url(url)
@@ -118,7 +89,7 @@ fun getFollowDate(chatID: String, userId: String) : IData<IFollowContent> {
         try {
             if(!response.isSuccessful) throw IOException("Unexpected code ${response.code}")
             val body = response.body?.string()
-            val follow = gson.fromJson(body, object: TypeToken<IData<IFollowContent>>() {})
+            val follow = gson.fromJson(body, object: TypeToken<IData<IFollowContent?>>() {})
 
             return follow
         } catch(e: Exception) {
@@ -128,19 +99,21 @@ fun getFollowDate(chatID: String, userId: String) : IData<IFollowContent> {
     }
 }
 
-fun getStreamInfo(userId: String) : IData<IStreamInfo> {
+fun getChzzkChannelId(channelId: String): String? {
-    val url = "https://api.chzzk.naver.com/service/v2/channels/${userId}/live-detail"
+    val url = "https://api.chzzk.naver.com/polling/v3/channels/$channelId/live-status?includePlayerRecommendContent=false"
     val request = Request.Builder()
         .url(url)
+        .header("Content-Type", "application/json")
+        .get()
         .build()
 
     client.newCall(request).execute().use { response ->
         try {
             if(!response.isSuccessful) throw IOException("Unexpected code ${response.code}")
             val body = response.body?.string()
-            val follow = gson.fromJson(body, object: TypeToken<IData<IStreamInfo>>() {})
+            val data = gson.fromJson(body, object: TypeToken<IData<LiveStatus?>>() {})
 
-            return follow
+            return data.content?.chatChannelId
         } catch(e: Exception) {
             throw e
         }

common/src/main/kotlin/space/mori/chzzk_bot/common/utils/convertChzzkDateToLocalDateTime.kt

@@ -0,0 +1,20 @@
+package space.mori.chzzk_bot.common.utils
+
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+import java.time.LocalDateTime
+import java.time.format.DateTimeFormatter
+import java.time.format.DateTimeParseException
+
+val logger: Logger = LoggerFactory.getLogger("convertChzzkDateToLocalDateTime")
+
+fun convertChzzkDateToLocalDateTime(chzzkDate: String): LocalDateTime? {
+    val formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")
+
+    return try {
+        LocalDateTime.parse(chzzkDate, formatter)
+    } catch(e: DateTimeParseException) {
+        logger.debug("Error to parsing date", e)
+        null
+    }
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/utils/getRandomString.kt

@@ -0,0 +1,9 @@
+package space.mori.chzzk_bot.common.utils
+
+fun getRandomString(length: Int): String {
+    val charPool = ('a'..'z') + ('0'..'9')
+    return (1..length)
+        .map { kotlin.random.Random.nextInt(0, charPool.size) }
+        .map(charPool::get)
+        .joinToString("")
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/utils/getUptime.kt

@@ -0,0 +1,14 @@
+package space.mori.chzzk_bot.common.utils
+
+import java.time.LocalDateTime
+import java.time.temporal.ChronoUnit
+
+fun getUptime(streamOnTime: LocalDateTime): String {
+    val currentTime = LocalDateTime.now()
+
+    val hours = ChronoUnit.HOURS.between(streamOnTime, currentTime)
+    val minutes = ChronoUnit.MINUTES.between(streamOnTime?.plusHours(hours), currentTime)
+    val seconds = ChronoUnit.SECONDS.between(streamOnTime?.plusHours(hours)?.plusMinutes(minutes), currentTime)
+
+    return String.format("%02d:%02d:%02d", hours, minutes, seconds)
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/utils/getYoutube.kt

@@ -0,0 +1,115 @@
+package space.mori.chzzk_bot.common.utils
+
+import com.google.gson.JsonObject
+import io.github.cdimascio.dotenv.dotenv
+import okhttp3.HttpUrl
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import java.io.IOException
+import java.net.URLEncoder
+
+data class YoutubeVideo(
+    val url: String,
+    val name: String,
+    val author: String,
+    val length: Int
+)
+
+val regex = ".*(?:youtu.be/|v/|u/\\w/|embed/|watch\\?v=|&v=|music\\.youtube\\.com/.*?\\?v=)([^#&?]*).*".toRegex()
+val durationRegex = """PT(\d+H)?(\d+M)?(\d+S)?""".toRegex()
+
+val dotenv = dotenv {
+    ignoreIfMissing = true
+}
+
+fun searchYoutube(query: String): String? {
+    val url = "https://youtube-search-results.p.rapidapi.com/youtube-search/?q=${URLEncoder.encode(query, "UTF-8")}"
+    val request = Request.Builder()
+        .url(url)
+        .addHeader("x-rapidapi-host", "youtube-search-results.p.rapidapi.com")
+        .addHeader("x-rapidapi-key", dotenv["RAPID_KEY"] ?: "")
+        .build()
+
+    OkHttpClient().newCall(request).execute().use { response ->
+        if (!response.isSuccessful) throw IOException("Unexpected code $response")
+
+        val responseBody = response.body?.string()
+        val json = gson.fromJson(responseBody, JsonObject::class.java)
+
+        val videos = json.getAsJsonArray("videos")
+
+        val firstVideo = videos.get(0).asJsonObject
+
+        val videoId = firstVideo.get("id").asString
+
+        return videoId
+    }
+}
+
+fun getYoutubeVideoId(query: String): String? {
+    val matchResult = regex.find(query)
+
+    return if(matchResult == null) {
+        searchYoutube(query)
+    } else {
+        matchResult.groups[1]?.value
+    }
+}
+
+fun parseDuration(duration: String): Int {
+    val matchResult = durationRegex.find(duration)
+    val (hours, minutes, seconds) = matchResult?.destructured ?: return 0
+
+    val hourInSec = hours.dropLast(1).toIntOrNull()?.times(3600) ?: 0
+    val minutesInSec = minutes.dropLast(1).toIntOrNull()?.times(60) ?: 0
+    val totalSeconds = seconds.dropLast(1).toIntOrNull() ?: 0
+
+    return hourInSec + minutesInSec + totalSeconds
+}
+
+fun getYoutubeVideo(query: String): YoutubeVideo? {
+    val videoId = getYoutubeVideoId(query)
+
+    val api = HttpUrl.Builder()
+        .scheme("https")
+        .host("www.googleapis.com")
+        .addPathSegment("youtube")
+        .addPathSegment("v3")
+        .addPathSegment("videos")
+        .addQueryParameter("id", videoId)
+        .addQueryParameter("key", dotenv["YOUTUBE_API_KEY"])
+        .addQueryParameter("part", "snippet,contentDetails,status")
+        .build()
+
+
+    val request = Request.Builder()
+        .url(api)
+        .build()
+
+    client.newCall(request).execute().use { response ->
+        if (!response.isSuccessful) throw IOException("Unexpected code $response")
+
+        val responseBody = response.body?.string()
+        val json = gson.fromJson(responseBody, JsonObject::class.java)
+        val items = json.getAsJsonArray("items")
+
+        if (items == null || items.size() == 0) return null
+
+        val item = items[0].asJsonObject
+        val snippet = item.getAsJsonObject("snippet")
+        val contentDetail = item.getAsJsonObject("contentDetails")
+        val status = item.getAsJsonObject("status")
+
+        if (!status.get("embeddable").asBoolean) return null
+
+        val duration = contentDetail.get("duration").asString
+        val length = parseDuration(duration)
+
+        return YoutubeVideo(
+            "https://www.youtube.com/watch?v=$videoId",
+            snippet.get("title").asString,
+            snippet.get("channelTitle").asString,
+            length
+        )
+    }
+}

gradle.properties

@@ -1,6 +1,6 @@
 kotlin.code.style=official
 group = space.mori
-version = 1.0.3
+version = 1.2.0
 
 org.gradle.jvmargs=-Dfile.encoding=UTF-8
 org.gradle.console=plain

inc.env

@@ -4,5 +4,11 @@ DB_URL=jdbc:mariadb://localhost:3306/chzzk
 DB_USER=chzzk
 DB_PASS=chzzk
 RUN_AGENT=false
+YOUTUBE_API_KEY=
+RAPID_KEY=
+HOST=http://localhost:8080
+FRONTEND=http://localhost:3000
+NAVER_CLIENT_ID=
+NAVER_CLIENT_SECRET=
 NID_AUT=
 NID_SES=

settings.gradle.kts

@@ -14,6 +14,13 @@ pluginManagement {
         mavenCentral()
         gradlePluginPortal()
         maven { url = uri("https://maven.covers1624.net") }
-        maven { url = uri("https://repo.spring.io/plugins-release/") }
+        maven { url = uri("https://jitpack.io") }
+
     }
 }
+plugins {
+    id("org.gradle.toolchains.foojay-resolver-convention") version "0.8.0"
+}
+include("common")
+include("chatbot")
+include("webserver")

src/main/kotlin/space/mori/chzzk_bot/Main.kt

@@ -3,11 +3,17 @@ package space.mori.chzzk_bot
 import io.github.cdimascio.dotenv.dotenv
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.runBlocking
+import org.koin.core.context.GlobalContext.startKoin
+import org.koin.dsl.module
 import org.slf4j.Logger
 import org.slf4j.LoggerFactory
-import space.mori.chzzk_bot.chzzk.ChzzkHandler
+import space.mori.chzzk_bot.chatbot.chzzk.ChzzkHandler
-import space.mori.chzzk_bot.discord.Discord
+import space.mori.chzzk_bot.chatbot.discord.Discord
-import space.mori.chzzk_bot.chzzk.Connector as ChzzkConnector
+import space.mori.chzzk_bot.chatbot.chzzk.Connector as ChzzkConnector
+import space.mori.chzzk_bot.common.Connector
+import space.mori.chzzk_bot.common.events.CoroutinesEventBus
+import space.mori.chzzk_bot.webserver.start
+import space.mori.chzzk_bot.webserver.stop
 import java.util.concurrent.TimeUnit
 import kotlin.system.exitProcess
 
@@ -16,16 +22,24 @@ val dotenv = dotenv {
 }
 val logger: Logger = LoggerFactory.getLogger("main")
 
-val discord = Discord()
-
-val connector = Connector
-val chzzkConnector = ChzzkConnector
-val chzzkHandler = ChzzkHandler
-
 fun main(args: Array<String>) {
+    val dispatcher = module {
+        single { CoroutinesEventBus() }
+    }
+    startKoin {
+        modules(dispatcher)
+    }
+
+    val discord = Discord()
+
+    val connector = Connector
+    val chzzkConnector = ChzzkConnector
+    val chzzkHandler = ChzzkHandler
+
     discord.enable()
     chzzkHandler.enable()
     chzzkHandler.runStreamInfo()
+    start()
 
     if(dotenv.get("RUN_AGENT", "false").toBoolean()) {
         runBlocking {
@@ -36,6 +50,8 @@ fun main(args: Array<String>) {
 
     Runtime.getRuntime().addShutdownHook(Thread {
         logger.info("Shutting down...")
+        stop()
+
         chzzkHandler.stopStreamInfo()
         chzzkHandler.disable()
         discord.disable()

src/main/kotlin/space/mori/chzzk_bot/chzzk/ChzzkHandler.kt

@@ -1,169 +0,0 @@
-package space.mori.chzzk_bot.chzzk
-
-import net.dv8tion.jda.api.EmbedBuilder
-import net.dv8tion.jda.api.utils.messages.MessageCreateBuilder
-import org.slf4j.Logger
-import org.slf4j.LoggerFactory
-import space.mori.chzzk_bot.chzzk.Connector.chzzk
-import space.mori.chzzk_bot.discord
-import space.mori.chzzk_bot.models.User
-import space.mori.chzzk_bot.services.UserService
-import xyz.r2turntrue.chzzk4j.chat.ChatEventListener
-import xyz.r2turntrue.chzzk4j.chat.ChatMessage
-import xyz.r2turntrue.chzzk4j.chat.ChzzkChat
-import xyz.r2turntrue.chzzk4j.types.channel.ChzzkChannel
-import java.lang.Exception
-import java.net.SocketTimeoutException
-import java.time.Instant
-
-object ChzzkHandler {
-    private val handlers = mutableListOf<UserHandler>()
-    private val logger = LoggerFactory.getLogger(this::class.java)
-    @Volatile private var running: Boolean = false
-
-    internal fun addUser(chzzkChannel: ChzzkChannel, user: User) {
-        handlers.add(UserHandler(chzzkChannel, logger, user))
-    }
-
-    internal fun enable() {
-        UserService.getAllUsers().map {
-            chzzk.getChannel(it.token)?.let { token -> addUser(token, it)}
-        }
-    }
-
-    internal fun disable() {
-        handlers.forEach { handler ->
-            handler.disable()
-        }
-    }
-
-    internal fun reloadCommand(chzzkChannel: ChzzkChannel) {
-        val handler = handlers.firstOrNull { it.channel.channelId == chzzkChannel.channelId }
-        if (handler != null)
-            handler.reloadCommand()
-        else
-            throw RuntimeException("${chzzkChannel.channelName} doesn't have handler")
-    }
-
-    internal fun reloadUser(chzzkChannel: ChzzkChannel, user: User) {
-        val handler = handlers.firstOrNull { it.channel.channelId == chzzkChannel.channelId }
-        if (handler != null)
-            handler.reloadUser(user)
-        else
-            throw RuntimeException("${chzzkChannel.channelName} doesn't have handler")
-    }
-
-    internal fun runStreamInfo() {
-        running = true
-        val thread = Thread({
-            while(running) {
-                handlers.forEach {
-                    if (!running) return@forEach
-                    try {
-                        val streamInfo = getStreamInfo(it.channel.channelId)
-                        if (streamInfo.content.status == "OPEN" && !it.isActive) it.isActive(true, streamInfo)
-                        if (streamInfo.content.status == "CLOSE" && it.isActive) it.isActive(false, streamInfo)
-                    } catch(e: SocketTimeoutException) {
-                        logger.info("Timeout: ${it.channel.channelName} / ${e.stackTraceToString()}")
-                    } catch (e: Exception) {
-                        logger.info("Exception: ${it.channel.channelName} / ${e.stackTraceToString()}")
-                    } finally {
-                        Thread.sleep(5000)
-                    }
-                }
-                Thread.sleep(60000)
-            }
-        }, "Chzzk-StreamInfo")
-
-        thread.start()
-    }
-
-    internal fun stopStreamInfo() {
-        running = false
-    }
-}
-
-class UserHandler(
-    val channel: ChzzkChannel,
-    private val logger: Logger,
-    private var user: User,
-    private var _isActive: Boolean = false
-) {
-    private lateinit var messageHandler: MessageHandler
-
-    private var listener: ChzzkChat = chzzk.chat(channel.channelId)
-        .withAutoReconnect(true)
-        .withChatListener(object : ChatEventListener {
-            override fun onConnect(chat: ChzzkChat, isReconnecting: Boolean) {
-                logger.info("ChzzkChat connected. ${channel.channelName} - ${channel.channelId} / reconnected: $isReconnecting")
-                messageHandler = MessageHandler(channel, logger, chat)
-            }
-
-            override fun onError(ex: Exception) {
-                logger.info("ChzzkChat error. ${channel.channelName} - ${channel.channelId}")
-                logger.debug(ex.stackTraceToString())
-            }
-
-            override fun onChat(msg: ChatMessage) {
-                if(!_isActive) return
-                messageHandler.handle(msg, user)
-            }
-
-            override fun onConnectionClosed(code: Int, reason: String?, remote: Boolean, tryingToReconnect: Boolean) {
-                logger.info("ChzzkChat closed. ${channel.channelName} - ${channel.channelId}")
-                logger.info("Reason: $reason / $tryingToReconnect")
-            }
-        })
-        .build()
-
-    internal fun disable() {
-        listener.closeAsync()
-    }
-
-    internal fun reloadCommand() {
-        messageHandler.reloadCommand()
-    }
-
-    internal fun reloadUser(user: User) {
-        this.user = user
-    }
-
-    internal val isActive: Boolean
-        get() = _isActive
-
-    internal fun isActive(value: Boolean, status: IData<IStreamInfo>) {
-        _isActive = value
-        if(value) {
-            logger.info("${user.username} is live.")
-
-            logger.info("ChzzkChat connecting... ${channel.channelName} - ${channel.channelId}")
-            listener.connectAsync()
-
-            if(user.liveAlertMessage != "" && user.liveAlertGuild != null && user.liveAlertChannel != null) {
-                val channel = discord.getChannel(user.liveAlertGuild!!, user.liveAlertChannel!!) ?: throw RuntimeException("${user.liveAlertChannel} is not valid.")
-
-                val embed = EmbedBuilder()
-                embed.setTitle(status.content.liveTitle, "https://chzzk.naver.com/live/${user.token}")
-                embed.setDescription("${user.username} 님이 방송을 시작했습니다.")
-                embed.setUrl(status.content.channel.channelImageUrl)
-                embed.setTimestamp(Instant.now())
-                embed.setAuthor(user.username, "https://chzzk.naver.com/live/${user.token}", status.content.channel.channelImageUrl)
-                embed.addField("카테고리", status.content.liveCategoryValue, true)
-                embed.addField("태그", status.content.tags.joinToString(", "), true)
-                embed.setImage(status.content.liveImageUrl.replace("{type}", "1080"))
-
-                channel.sendMessage(
-                    MessageCreateBuilder()
-                        .setContent(user.liveAlertMessage)
-                        .setEmbeds(embed.build())
-                        .build()
-                ).queue()
-
-                listener.sendChat("${user.username} 님의 방송이 감지되었습니다.")
-            }
-        } else {
-            logger.info("${user.username} is offline.")
-            listener.closeAsync()
-        }
-    }
-}

src/main/kotlin/space/mori/chzzk_bot/chzzk/Connector.kt

@@ -1,20 +0,0 @@
-package space.mori.chzzk_bot.chzzk
-
-import org.slf4j.LoggerFactory
-import xyz.r2turntrue.chzzk4j.Chzzk
-import xyz.r2turntrue.chzzk4j.ChzzkBuilder
-import xyz.r2turntrue.chzzk4j.types.channel.ChzzkChannel
-import space.mori.chzzk_bot.dotenv
-
-object Connector {
-    val chzzk: Chzzk = ChzzkBuilder()
-        .withAuthorization(dotenv["NID_AUT"], dotenv["NID_SES"])
-        .build()
-    private val logger = LoggerFactory.getLogger(this::class.java)
-
-    fun getChannel(channelId: String): ChzzkChannel? = chzzk.getChannel(channelId)
-
-    init {
-        logger.info("chzzk logged: ${chzzk.isLoggedIn} / ${chzzk.loggedUser?.nickname ?: "----"}")
-    }
-}

src/main/kotlin/space/mori/chzzk_bot/chzzk/MessageHandler.kt

@@ -1,193 +0,0 @@
-package space.mori.chzzk_bot.chzzk
-
-import org.slf4j.Logger
-import space.mori.chzzk_bot.models.User
-import space.mori.chzzk_bot.services.CommandService
-import space.mori.chzzk_bot.services.CounterService
-import space.mori.chzzk_bot.services.UserService
-import xyz.r2turntrue.chzzk4j.chat.ChatMessage
-import xyz.r2turntrue.chzzk4j.chat.ChzzkChat
-import xyz.r2turntrue.chzzk4j.types.channel.ChzzkChannel
-import java.time.LocalDateTime
-import java.time.format.DateTimeFormatter
-import java.time.temporal.ChronoUnit
-
-
-class MessageHandler(
-    private val channel: ChzzkChannel,
-    private val logger: Logger,
-    private val listener: ChzzkChat
-) {
-    private val commands = mutableMapOf<String, (msg: ChatMessage, user: User) -> Unit>()
-
-    private val counterPattern = Regex("<counter:([^>]+)>")
-    private val personalCounterPattern = Regex("<counter_personal:([^>]+)>")
-    private val dailyCounterPattern = Regex("<daily_counter:([^>]+)>")
-    private val namePattern = Regex("<name>")
-    private val followPattern = Regex("<following>")
-    private val daysPattern = """<days:(\d{4})-(\d{2})-(\d{2})>""".toRegex()
-
-    init {
-        reloadCommand()
-    }
-
-    internal fun reloadCommand() {
-        val user = UserService.getUser(channel.channelId)
-            ?: throw RuntimeException("User not found. it's bug? ${channel.channelName} - ${channel.channelId}")
-        val commands = CommandService.getCommands(user)
-        val manageCommands = mapOf("!명령어추가" to this::manageAddCommand, "!명령어삭제" to this::manageRemoveCommand, "!명령어수정" to this::manageUpdateCommand)
-
-        manageCommands.forEach { (commandName, command) ->
-            this.commands[commandName] = command
-        }
-
-        commands.map {
-            this.commands.put(it.command.lowercase()) { msg, user ->
-                logger.debug("${channel.channelName} - ${it.command} - ${it.content}/${it.failContent}")
-
-                val result = replaceCounters(Pair(it.content, it.failContent), user, msg, listener, msg.profile?.nickname ?: "")
-                listener.sendChat(result)
-            }
-        }
-    }
-
-    private fun manageAddCommand(msg: ChatMessage, user: User) {
-        if (msg.profile?.userRoleCode == "common_user") {
-            listener.sendChat("매니저만 명령어를 추가할 수 있습니다.")
-            return
-        }
-
-        val parts = msg.content.split(" ", limit = 3)
-        if (parts.size < 3) {
-            listener.sendChat("명령어 추가 형식은 '!명령어추가 명령어 내용'입니다.")
-            return
-        }
-        if (commands.containsKey(parts[1])) {
-            listener.sendChat("${parts[1]} 명령어는 이미 있는 명령어입니다.")
-            return
-        }
-        val command = parts[1]
-        val content = parts[2]
-        CommandService.saveCommand(user, command, content, "")
-        listener.sendChat("명령어 '$command' 추가되었습니다.")
-    }
-
-    private fun manageUpdateCommand(msg: ChatMessage, user: User) {
-        if (msg.profile?.userRoleCode == "common_user") {
-            listener.sendChat("매니저만 명령어를 추가할 수 있습니다.")
-            return
-        }
-
-        val parts = msg.content.split(" ", limit = 3)
-        if (parts.size < 3) {
-            listener.sendChat("명령어 수정 형식은 '!명령어수정 명령어 내용'입니다.")
-            return
-        }
-        if (!commands.containsKey(parts[1])) {
-            listener.sendChat("${parts[1]} 명령어는 없는 명령어입니다.")
-            return
-        }
-        val command = parts[1]
-        val content = parts[2]
-        CommandService.updateCommand(user, command, content, "")
-        listener.sendChat("명령어 '$command' 수정되었습니다.")
-    }
-
-    private fun manageRemoveCommand(msg: ChatMessage, user: User) {
-        if (msg.profile?.userRoleCode == "common_user") {
-            listener.sendChat("매니저만 명령어를 삭제할 수 있습니다.")
-            return
-        }
-
-        val parts = msg.content.split(" ", limit = 2)
-        if (parts.size < 2) {
-            listener.sendChat("명령어 삭제 형식은 '!명령어삭제 명령어'입니다.")
-            return
-        }
-        val command = parts[1]
-        CommandService.removeCommand(user, command)
-        listener.sendChat("명령어 '$command' 삭제되었습니다.")
-    }
-
-    internal fun handle(msg: ChatMessage, user: User) {
-        val commandKey = msg.content.split(' ')[0]
-
-        commands[commandKey.lowercase()]?.let { it(msg, user) }
-    }
-
-    private fun replaceCounters(chat: Pair<String, String>, user: User, msg: ChatMessage, listener: ChzzkChat, userName: String): String {
-        var result = chat.first
-        var isFail = false
-
-        // Replace dailyCounterPattern
-        result = dailyCounterPattern.replace(result) { matchResult ->
-            val name = matchResult.groupValues[1]
-            val dailyCounter = CounterService.getDailyCounterValue(name, msg.userId, user)
-
-            if (dailyCounter.second) {
-                CounterService.updateDailyCounterValue(name, msg.userId, 1, user).first.toString()
-            } else {
-                isFail = true
-                dailyCounter.first.toString()
-            }
-        }
-
-        // Handle fail case
-        if (isFail && chat.second.isNotEmpty()) {
-            result = chat.second
-            result = dailyCounterPattern.replace(result) { matchResult ->
-                val name = matchResult.groupValues[1]
-                val dailyCounter = CounterService.getDailyCounterValue(name, msg.userId, user)
-                dailyCounter.first.toString()
-            }
-        }
-
-        // Replace followPattern
-        result = followPattern.replace(result) { matchResult ->
-            try {
-                val followingDate = getFollowDate(listener.chatId, msg.userId)
-                    .content.streamingProperty.following?.followDate
-
-                val period = followingDate?.let {
-                    val formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")
-                    val pastDate = LocalDateTime.parse(it, formatter)
-                    val today = LocalDateTime.now()
-                    ChronoUnit.DAYS.between(pastDate, today)
-                } ?: 0
-
-                period.toString()
-            } catch (e: Exception) {
-                logger.error(e.message)
-                "0"
-            }
-        }
-
-        // Replace daysPattern
-        result = daysPattern.replace(result) { matchResult ->
-            val (year, month, day) = matchResult.destructured
-            val pastDate = LocalDateTime.of(year.toInt(), month.toInt(), day.toInt(), 0, 0, 0)
-            val today = LocalDateTime.now()
-
-            val daysBetween = ChronoUnit.DAYS.between(pastDate, today)
-            daysBetween.toString()
-        }
-
-        // Replace counterPattern
-        result = counterPattern.replace(result) { matchResult ->
-            val name = matchResult.groupValues[1]
-            CounterService.updateCounterValue(name, 1, user).toString()
-        }
-
-        // Replace personalCounterPattern
-        result = personalCounterPattern.replace(result) { matchResult ->
-            val name = matchResult.groupValues[1]
-            CounterService.updatePersonalCounterValue(name, msg.userId, 1, user).toString()
-        }
-
-        // Replace namePattern
-        result = namePattern.replace(result, userName)
-
-        return result
-    }
-
-}

src/main/kotlin/space/mori/chzzk_bot/discord/Discord.kt

@@ -1,97 +0,0 @@
-package space.mori.chzzk_bot.discord
-
-import net.dv8tion.jda.api.JDA
-import net.dv8tion.jda.api.JDABuilder
-import net.dv8tion.jda.api.entities.Activity
-import net.dv8tion.jda.api.entities.Guild
-import net.dv8tion.jda.api.events.guild.GuildJoinEvent
-import net.dv8tion.jda.api.events.guild.member.GuildMemberRemoveEvent
-import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent
-import net.dv8tion.jda.api.hooks.ListenerAdapter
-import space.mori.chzzk_bot.dotenv
-import org.slf4j.LoggerFactory
-import space.mori.chzzk_bot.discord.commands.*
-import space.mori.chzzk_bot.services.ManagerService
-
-class Discord: ListenerAdapter() {
-    private lateinit var bot: JDA
-    private var guild: Guild? = null
-    private val logger = LoggerFactory.getLogger(this::class.java)
-
-    private val commands = listOf(
-        AddCommand,
-        AlertCommand,
-        PingCommand,
-        RegisterCommand,
-        RemoveCommand,
-        UpdateCommand,
-        AddManagerCommand,
-        ListManagerCommand,
-        RemoveManagerCommand,
-    )
-
-    override fun onSlashCommandInteraction(event: SlashCommandInteractionEvent) {
-        event.deferReply().queue()
-        val handler = commands.find { it.name == event.name }
-        logger.debug("Handler: ${handler?.name ?: "undefined"} command")
-        handler?.run(event, bot)
-    }
-
-    override fun onGuildMemberRemove(event: GuildMemberRemoveEvent) {
-        event.member?.let { ManagerService.deleteManager(event.guild.idLong, it.idLong) }
-    }
-
-    override fun onGuildJoin(event: GuildJoinEvent) {
-        commandUpdate(event.guild)
-    }
-
-    private fun commandUpdate(guild: Guild) {
-        guild.updateCommands().addCommands(* commands.map { it.command}.toTypedArray())
-            .onSuccess {
-                logger.info("Command update on guild success!")
-            }
-            .queue()
-    }
-
-    private fun commandUpdate(bot: JDA) {
-        bot.updateCommands().addCommands(* commands.map { it.command}.toTypedArray())
-            .onSuccess {
-                logger.info("Command update bot boot success!")
-            }
-            .queue()
-    }
-
-    internal fun enable() {
-        val thread = Thread {
-            try {
-                bot = JDABuilder.createDefault(dotenv["DISCORD_TOKEN"])
-                    .setActivity(Activity.playing("치지직 보는중"))
-                    .addEventListeners(this)
-                    .build().awaitReady()
-
-                guild = bot.getGuildById(dotenv["GUILD_ID"])
-
-                commandUpdate(bot)
-                bot.guilds.forEach {
-                    commandUpdate(it)
-                }
-            } catch (e: Exception) {
-                logger.info("Could not enable Discord!")
-                logger.debug(e.stackTraceToString())
-            }
-        }
-        thread.start()
-    }
-
-    internal fun disable() {
-        try {
-            bot.shutdown()
-        } catch(e: Exception) {
-            logger.info("Error while shutting down Discord!")
-            logger.debug(e.stackTraceToString())
-        }
-    }
-
-    internal fun getChannel(guildId: Long, channelId: Long) =
-        bot.getGuildById(guildId)?.getTextChannelById(channelId)
-}

src/main/kotlin/space/mori/chzzk_bot/discord/commands/AddCommand.kt

@@ -1,65 +0,0 @@
-package space.mori.chzzk_bot.discord.commands
-
-import net.dv8tion.jda.api.JDA
-import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent
-import net.dv8tion.jda.api.interactions.commands.OptionType
-import net.dv8tion.jda.api.interactions.commands.build.Commands
-import net.dv8tion.jda.api.interactions.commands.build.OptionData
-import org.slf4j.LoggerFactory
-import space.mori.chzzk_bot.chzzk.ChzzkHandler
-import space.mori.chzzk_bot.chzzk.Connector
-import space.mori.chzzk_bot.discord.CommandInterface
-import space.mori.chzzk_bot.services.CommandService
-import space.mori.chzzk_bot.services.ManagerService
-import space.mori.chzzk_bot.services.UserService
-
-object AddCommand : CommandInterface {
-    private val logger = LoggerFactory.getLogger(this::class.java)
-    override val name: String = "add"
-    override val command = Commands.slash(name, "명령어를 추가합니다.")
-        .addOptions(OptionData(OptionType.STRING, "label", "작동할 명령어를 입력하세요.", true))
-        .addOptions(OptionData(OptionType.STRING, "content", "표시될 텍스트를 입력하세요.", true))
-        .addOptions(OptionData(OptionType.STRING, "fail_content", "카운터 업데이트 실패시 표시될 텍스트를 입력하세요.", false))
-
-    override fun run(event: SlashCommandInteractionEvent, bot: JDA) {
-        val label = event.getOption("label")?.asString
-        val content = event.getOption("content")?.asString
-        val failContent = event.getOption("fail_content")?.asString
-
-        if(label == null || content == null) {
-            event.hook.sendMessage("명령어와 텍스트는 필수 입력입니다.").queue()
-            return
-        }
-
-        var user = UserService.getUser(event.user.idLong)
-        val manager = event.guild?.idLong?.let { ManagerService.getUser(it, event.user.idLong) }
-        if(user == null && manager == null) {
-            event.hook.sendMessage("당신은 이 명령어를 사용할 수 없습니다.").queue()
-            return
-        }
-
-        if (manager != null) {
-            user = manager.user
-            ManagerService.updateManager(user, event.user.idLong, event.user.effectiveName)
-        }
-
-        val commands = CommandService.getCommands(user!!)
-        if (commands.any { it.command == label }) {
-            event.hook.sendMessage("$label 명령어는 이미 있습니다! 업데이트 명령어를 써주세요.").queue()
-            return
-        }
-
-        val chzzkChannel = Connector.getChannel(user.token)
-
-        try {
-            CommandService.saveCommand(user, label, content, failContent ?: "")
-            try {
-                ChzzkHandler.reloadCommand(chzzkChannel!!)
-            } catch (_: Exception) {}
-            event.hook.sendMessage("등록이 완료되었습니다. $label = $content/$failContent").queue()
-        } catch (e: Exception) {
-            event.hook.sendMessage("에러가 발생했습니다.").queue()
-            logger.debug(e.stackTraceToString())
-        }
-    }
-}

src/main/kotlin/space/mori/chzzk_bot/discord/commands/AddManagerCommand.kt

@@ -1,47 +0,0 @@
-package space.mori.chzzk_bot.discord.commands
-
-import net.dv8tion.jda.api.JDA
-import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent
-import net.dv8tion.jda.api.interactions.commands.OptionType
-import net.dv8tion.jda.api.interactions.commands.build.Commands
-import net.dv8tion.jda.api.interactions.commands.build.OptionData
-import org.slf4j.LoggerFactory
-import space.mori.chzzk_bot.discord.CommandInterface
-import space.mori.chzzk_bot.services.ManagerService
-import space.mori.chzzk_bot.services.UserService
-
-object AddManagerCommand : CommandInterface {
-    private val logger = LoggerFactory.getLogger(this::class.java)
-    override val name: String = "addmanager"
-    override val command = Commands.slash(name, "매니저를 추가합니다.")
-        .addOptions(OptionData(OptionType.USER, "user", "추가할 유저를 선택하세요.", true))
-
-    override fun run(event: SlashCommandInteractionEvent, bot: JDA) {
-        val manager = event.getOption("user")?.asUser
-
-        if(manager == null) {
-            event.hook.sendMessage("유저는 필수사항입니다.").queue()
-            return
-        }
-        if(manager.idLong == event.user.idLong) {
-            event.hook.sendMessage("자신은 매니저로 설정할 수 없습니다.").queue()
-            return
-        }
-
-        val user = UserService.getUser(event.user.idLong)
-        if(user == null) {
-            event.hook.sendMessage("치지직 계정을 찾을 수 없습니다.").queue()
-            return
-        }
-
-        try {
-            ManagerService.saveManager(user, manager.idLong, manager.effectiveName)
-            if(user.liveAlertGuild == null)
-                UserService.updateLiveAlert(user.id.value, event.guild!!.idLong, event.channelIdLong, "")
-            event.hook.sendMessage("등록이 완료되었습니다. ${manager.effectiveName}").queue()
-        } catch (e: Exception) {
-            event.hook.sendMessage("에러가 발생했습니다.").queue()
-            logger.debug(e.stackTraceToString())
-        }
-    }
-}

src/main/kotlin/space/mori/chzzk_bot/discord/commands/AlertCommand.kt

@@ -1,51 +0,0 @@
-package space.mori.chzzk_bot.discord.commands
-
-import net.dv8tion.jda.api.JDA
-import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent
-import net.dv8tion.jda.api.interactions.commands.OptionType
-import net.dv8tion.jda.api.interactions.commands.build.Commands
-import net.dv8tion.jda.api.interactions.commands.build.OptionData
-import org.slf4j.LoggerFactory
-import space.mori.chzzk_bot.chzzk.ChzzkHandler
-import space.mori.chzzk_bot.chzzk.Connector
-import space.mori.chzzk_bot.discord.CommandInterface
-import space.mori.chzzk_bot.services.ManagerService
-import space.mori.chzzk_bot.services.UserService
-
-object AlertCommand : CommandInterface {
-    private val logger = LoggerFactory.getLogger(this::class.java)
-    override val name: String = "alert"
-    override val command = Commands.slash(name, "명령어를 추가합니다.")
-        .addOptions(OptionData(OptionType.CHANNEL, "channel", "알림을 보낼 채널을 입력하세요."))
-        .addOptions(OptionData(OptionType.STRING, "content", "표시될 텍스트를 입력하세요. 비워두면 알람이 취소됩니다."))
-
-    override fun run(event: SlashCommandInteractionEvent, bot: JDA) {
-        val channel = event.getOption("channel")?.asChannel
-        val content = event.getOption("content")?.asString
-
-        var user = UserService.getUser(event.user.idLong)
-        val manager = event.guild?.idLong?.let { ManagerService.getUser(it, event.user.idLong) }
-        if(user == null && manager == null) {
-            event.hook.sendMessage("당신은 이 명령어를 사용할 수 없습니다.").queue()
-            return
-        }
-
-        if (manager != null) {
-            user = manager.user
-            ManagerService.updateManager(user, event.user.idLong, event.user.effectiveName)
-        }
-
-        val chzzkChannel = Connector.getChannel(user!!.token)
-
-        try {
-            val newUser = UserService.updateLiveAlert(user.id.value, channel?.guild?.idLong ?: 0L, channel?.idLong ?: 0L, content ?: "")
-            try {
-                ChzzkHandler.reloadUser(chzzkChannel!!, newUser)
-            } catch (_: Exception) {}
-            event.hook.sendMessage("업데이트가 완료되었습니다.").queue()
-        } catch (e: Exception) {
-            event.hook.sendMessage("에러가 발생했습니다.").queue()
-            logger.debug(e.stackTraceToString())
-        }
-    }
-}

src/main/kotlin/space/mori/chzzk_bot/discord/commands/ListManagerCommand.kt

@@ -1,44 +0,0 @@
-package space.mori.chzzk_bot.discord.commands
-
-import net.dv8tion.jda.api.EmbedBuilder
-import net.dv8tion.jda.api.JDA
-import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent
-import net.dv8tion.jda.api.interactions.commands.build.Commands
-import org.slf4j.LoggerFactory
-import space.mori.chzzk_bot.discord.CommandInterface
-import space.mori.chzzk_bot.services.ManagerService
-import space.mori.chzzk_bot.services.UserService
-
-object ListManagerCommand : CommandInterface {
-    private val logger = LoggerFactory.getLogger(this::class.java)
-    override val name: String = "listmanager"
-    override val command = Commands.slash(name, "매니저 목록을 확인합니다.")
-
-    override fun run(event: SlashCommandInteractionEvent, bot: JDA) {
-        try {
-            val managers = event.guild?.idLong?.let { ManagerService.getAllUsers(it) }
-
-            if(managers == null) {
-                event.channel.sendMessage("여기에서는 사용할 수 없습니다.")
-                return
-            }
-
-            val user = UserService.getUserWithGuildId(event.guild!!.idLong)
-
-            val embed = EmbedBuilder()
-            embed.setTitle("${user!!.username} 매니저 목록")
-            embed.setDescription("매니저 목록입니다.")
-
-            var idx = 1
-
-            managers.forEach {
-                embed.addField("${idx++}", it.lastUserName ?: it.managerId.toString(), true)
-            }
-
-            event.channel.sendMessageEmbeds(embed.build()).queue()
-        } catch (e: Exception) {
-            event.hook.sendMessage("에러가 발생했습니다.").queue()
-            logger.debug(e.stackTraceToString())
-        }
-    }
-}

src/main/kotlin/space/mori/chzzk_bot/discord/commands/RegisterCommand.kt

@@ -1,49 +0,0 @@
-package space.mori.chzzk_bot.discord.commands
-
-import net.dv8tion.jda.api.JDA
-import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent
-import net.dv8tion.jda.api.interactions.commands.OptionType
-import net.dv8tion.jda.api.interactions.commands.build.Commands
-import net.dv8tion.jda.api.interactions.commands.build.OptionData
-import org.slf4j.LoggerFactory
-import space.mori.chzzk_bot.chzzk.ChzzkHandler
-import space.mori.chzzk_bot.chzzk.Connector
-import space.mori.chzzk_bot.discord.CommandInterface
-import space.mori.chzzk_bot.services.UserService
-
-object RegisterCommand: CommandInterface {
-    private val logger = LoggerFactory.getLogger(this::class.java)
-    override val name = "register"
-    override val command =  Commands.slash(name, "치지직 계정을 등록합니다.")
-        .addOptions(
-            OptionData(
-                OptionType.STRING,
-                "chzzk_id",
-                "36da10b7c35800f298e9c565a396bafd 형식으로 입력해주세요.",
-                true
-            )
-        )
-
-    override fun run(event: SlashCommandInteractionEvent, bot: JDA) {
-        val chzzkID = event.getOption("chzzk_id")?.asString
-        if(chzzkID == null) {
-            event.hook.sendMessage("치지직 계정은 필수 입력입니다.").queue()
-            return
-        }
-
-        val chzzkChannel = Connector.getChannel(chzzkID)
-        if (chzzkChannel == null) {
-            event.hook.sendMessage("치지직 계정을 찾을 수 없습니다.").queue()
-            return
-        }
-
-        try {
-            val user = UserService.saveUser(chzzkChannel.channelName, chzzkChannel.channelId, event.user.idLong)
-            event.hook.sendMessage("등록이 완료되었습니다. `${chzzkChannel.channelId}` - `${chzzkChannel.channelName}`")
-            ChzzkHandler.addUser(chzzkChannel, user)
-        } catch(e: Exception) {
-            event.hook.sendMessage("에러가 발생했습니다.").queue()
-            logger.debug(e.stackTraceToString())
-        }
-    }
-}

src/main/kotlin/space/mori/chzzk_bot/discord/commands/RemoveCommand.kt

@@ -1,55 +0,0 @@
-package space.mori.chzzk_bot.discord.commands
-
-import net.dv8tion.jda.api.JDA
-import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent
-import net.dv8tion.jda.api.interactions.commands.OptionType
-import net.dv8tion.jda.api.interactions.commands.build.Commands
-import net.dv8tion.jda.api.interactions.commands.build.OptionData
-import org.slf4j.LoggerFactory
-import space.mori.chzzk_bot.chzzk.ChzzkHandler
-import space.mori.chzzk_bot.chzzk.Connector
-import space.mori.chzzk_bot.discord.CommandInterface
-import space.mori.chzzk_bot.services.CommandService
-import space.mori.chzzk_bot.services.ManagerService
-import space.mori.chzzk_bot.services.UserService
-
-object RemoveCommand : CommandInterface {
-    private val logger = LoggerFactory.getLogger(this::class.java)
-    override val name: String = "remove"
-    override val command = Commands.slash(name, "명령어를 삭제합니다.")
-        .addOptions(OptionData(OptionType.STRING, "label", "삭제할 명령어를 입력하세요.", true))
-
-    override fun run(event: SlashCommandInteractionEvent, bot: JDA) {
-        val label = event.getOption("label")?.asString
-
-        if(label == null) {
-            event.hook.sendMessage("명령어는 필수 입력입니다.").queue()
-            return
-        }
-
-        var user = UserService.getUser(event.user.idLong)
-        val manager = event.guild?.idLong?.let { ManagerService.getUser(it, event.user.idLong) }
-        if(user == null && manager == null) {
-            event.hook.sendMessage("당신은 이 명령어를 사용할 수 없습니다.").queue()
-            return
-        }
-
-        if (manager != null) {
-            user = manager.user
-            ManagerService.updateManager(user, event.user.idLong, event.user.effectiveName)
-        }
-
-        val chzzkChannel = Connector.getChannel(user!!.token)
-
-        try {
-            CommandService.removeCommand(user, label)
-            try {
-                ChzzkHandler.reloadCommand(chzzkChannel!!)
-            } catch (_: Exception) {}
-            event.hook.sendMessage("삭제가 완료되었습니다. $label").queue()
-        } catch (e: Exception) {
-            event.hook.sendMessage("에러가 발생했습니다.").queue()
-            logger.debug(e.stackTraceToString())
-        }
-    }
-}

src/main/kotlin/space/mori/chzzk_bot/discord/commands/RemoveManagerCommand.kt

@@ -1,49 +0,0 @@
-package space.mori.chzzk_bot.discord.commands
-
-import net.dv8tion.jda.api.JDA
-import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent
-import net.dv8tion.jda.api.interactions.commands.OptionType
-import net.dv8tion.jda.api.interactions.commands.build.Commands
-import net.dv8tion.jda.api.interactions.commands.build.OptionData
-import org.slf4j.LoggerFactory
-import space.mori.chzzk_bot.discord.CommandInterface
-import space.mori.chzzk_bot.services.ManagerService
-import space.mori.chzzk_bot.services.UserService
-
-object RemoveManagerCommand : CommandInterface {
-    private val logger = LoggerFactory.getLogger(this::class.java)
-    override val name: String = "removemanager"
-    override val command = Commands.slash(name, "매니저를 삭제합니다.")
-        .addOptions(OptionData(OptionType.USER, "user", "삭제할 유저를 선택하세요.", true))
-
-    override fun run(event: SlashCommandInteractionEvent, bot: JDA) {
-        val manager = event.getOption("user")?.asUser
-
-        if(manager == null) {
-            event.hook.sendMessage("유저는 필수사항입니다.").queue()
-            return
-        }
-        if(manager.idLong == event.user.idLong) {
-            event.hook.sendMessage("자신은 매니저로 설정할 수 없습니다.").queue()
-            return
-        }
-
-        val user = UserService.getUser(event.user.idLong)
-        if(user == null) {
-            event.hook.sendMessage("치지직 계정을 찾을 수 없습니다.").queue()
-            return
-        }
-
-        if(ManagerService.getUser(user.liveAlertGuild ?: 0L, manager.idLong) == null) {
-            event.hook.sendMessage("${manager.name}은 매니저가 아닙니다.")
-        }
-
-        try {
-            ManagerService.deleteManager(user, manager.idLong)
-            event.hook.sendMessage("삭제가 완료되었습니다. ${manager.effectiveName}").queue()
-        } catch (e: Exception) {
-            event.hook.sendMessage("에러가 발생했습니다.").queue()
-            logger.debug(e.stackTraceToString())
-        }
-    }
-}

src/main/kotlin/space/mori/chzzk_bot/discord/commands/UpdateCommand.kt

@@ -1,57 +0,0 @@
-package space.mori.chzzk_bot.discord.commands
-
-import net.dv8tion.jda.api.JDA
-import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent
-import net.dv8tion.jda.api.interactions.commands.OptionType
-import net.dv8tion.jda.api.interactions.commands.build.Commands
-import net.dv8tion.jda.api.interactions.commands.build.OptionData
-import org.slf4j.LoggerFactory
-import space.mori.chzzk_bot.chzzk.ChzzkHandler
-import space.mori.chzzk_bot.chzzk.Connector
-import space.mori.chzzk_bot.discord.CommandInterface
-import space.mori.chzzk_bot.services.CommandService
-import space.mori.chzzk_bot.services.ManagerService
-import space.mori.chzzk_bot.services.UserService
-
-object UpdateCommand : CommandInterface {
-    private val logger = LoggerFactory.getLogger(this::class.java)
-    override val name: String = "update"
-    override val command = Commands.slash(name, "명령어를 수정합니다.")
-        .addOptions(OptionData(OptionType.STRING, "label", "수정할 명령어를 입력하세요.", true))
-        .addOptions(OptionData(OptionType.STRING, "content", "표시될 텍스트를 입력하세요.", true))
-        .addOptions(OptionData(OptionType.STRING, "fail_content", "카운터 업데이트 실패시 표시될 텍스트를 입력하세요.", false))
-
-    override fun run(event: SlashCommandInteractionEvent, bot: JDA) {
-        val label = event.getOption("label")?.asString
-        val content = event.getOption("content")?.asString
-        val failContent = event.getOption("fail_content")?.asString
-
-        if(label == null || content == null) {
-            event.hook.sendMessage("명령어와 텍스트는 필수 입력입니다.").queue()
-            return
-        }
-
-        var user = UserService.getUser(event.user.idLong)
-        val manager = event.guild?.idLong?.let { ManagerService.getUser(it, event.user.idLong) }
-        if(user == null && manager == null) {
-            event.hook.sendMessage("당신은 이 명령어를 사용할 수 없습니다.").queue()
-            return
-        }
-
-        if (manager != null) {
-            user = manager.user
-            ManagerService.updateManager(user, event.user.idLong, event.user.effectiveName)
-        }
-
-        val chzzkChannel = Connector.getChannel(user!!.token)
-
-        try {
-            CommandService.updateCommand(user, label, content, failContent ?: "")
-            chzzkChannel?.let { ChzzkHandler.reloadCommand(it) }
-            event.hook.sendMessage("등록이 완료되었습니다. $label = $content").queue()
-        } catch (e: Exception) {
-            event.hook.sendMessage("에러가 발생했습니다.").queue()
-            logger.debug(e.stackTraceToString())
-        }
-    }
-}

src/main/kotlin/space/mori/chzzk_bot/models/Manager.kt

@@ -1,22 +0,0 @@
-package space.mori.chzzk_bot.models
-
-import org.jetbrains.exposed.dao.IntEntity
-import org.jetbrains.exposed.dao.IntEntityClass
-import org.jetbrains.exposed.dao.id.EntityID
-import org.jetbrains.exposed.dao.id.IntIdTable
-
-object Managers: IntIdTable("manager") {
-    val user = reference("user", Users)
-    val managerId = long("manager_id")
-    val discordGuildId = long("discord_guild_id")
-    var lastUserName = varchar("last_user_name", 255).nullable()
-}
-
-class Manager(id: EntityID<Int>) : IntEntity(id) {
-    companion object : IntEntityClass<Manager>(Managers)
-
-    var user by User referencedOn Managers.user
-    var managerId by Managers.managerId
-    var discordGuildId by Managers.discordGuildId
-    var lastUserName by Managers.lastUserName
-}

src/main/kotlin/space/mori/chzzk_bot/services/ManagerService.kt

@@ -1,70 +0,0 @@
-package space.mori.chzzk_bot.services
-
-import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
-import org.jetbrains.exposed.sql.and
-import org.jetbrains.exposed.sql.transactions.transaction
-import space.mori.chzzk_bot.models.Manager
-import space.mori.chzzk_bot.models.Managers
-import space.mori.chzzk_bot.models.User
-
-object ManagerService {
-    fun saveManager(user: User, discordId: Long, name: String): Manager {
-        if (user.liveAlertGuild == null)
-            throw RuntimeException("${user.username} has no liveAlertGuild")
-
-        return transaction {
-            Manager.new {
-                this.user = user
-                this.discordGuildId = user.liveAlertGuild!!
-                this.managerId = discordId
-                this.lastUserName = name
-            }
-        }
-    }
-
-    fun updateManager(user: User, discordId: Long, name: String): Manager {
-        if (user.liveAlertGuild == null)
-            throw RuntimeException("${user.username} has no liveAlertGuild")
-
-        val manager = getUser(user.liveAlertGuild!!, discordId)
-
-        if (manager == null)
-            throw RuntimeException("$name isn't manager.")
-        manager.lastUserName = name
-
-        return manager
-    }
-
-    fun getUser(guildId: Long, discordId: Long): Manager? {
-        return transaction {
-            val manager = Manager.find(
-                (Managers.discordGuildId eq guildId) and (Managers.managerId eq discordId)
-            )
-
-            manager.firstOrNull()
-        }
-    }
-
-    fun getAllUsers(guildId: Long): List<Manager> {
-        return transaction {
-            Manager.find(Managers.discordGuildId eq guildId).toList()
-        }
-    }
-
-    fun deleteManager(user: User, discordId: Long): Manager {
-        if (user.liveAlertGuild == null)
-            throw RuntimeException("${user.username} has no liveAlertGuild")
-        return deleteManager(user.liveAlertGuild!!, discordId)
-    }
-
-    fun deleteManager(guildId: Long, discordId: Long): Manager {
-        return transaction {
-            val managerRow = Manager.find((Managers.discordGuildId eq guildId) and (Managers.managerId eq discordId)).firstOrNull()
-
-            managerRow ?: throw RuntimeException("Manager not found! $discordId")
-            managerRow.delete()
-
-            managerRow
-        }
-    }
-}

src/main/kotlin/space/mori/chzzk_bot/services/UserService.kt

@@ -1,70 +0,0 @@
-package space.mori.chzzk_bot.services
-
-import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
-import org.jetbrains.exposed.sql.transactions.transaction
-import org.jetbrains.exposed.sql.update
-import space.mori.chzzk_bot.models.User
-import space.mori.chzzk_bot.models.Users
-
-object UserService {
-    fun saveUser(username: String, token: String, discordID: Long): User {
-        return transaction {
-            User.new {
-                this.username = username
-                this.token = token
-                this.discord = discordID
-            }
-        }
-    }
-
-    fun getUser(id: Int): User? {
-        return transaction {
-            User.findById(id)
-        }
-    }
-
-    fun getUser(discordID: Long): User? {
-        return transaction {
-            val users = User.find(Users.discord eq discordID)
-
-            users.firstOrNull()
-        }
-    }
-
-    fun getUser(chzzkID: String): User? {
-        return transaction {
-            val users = User.find(Users.token eq chzzkID)
-
-            users.firstOrNull()
-        }
-    }
-
-    fun getUserWithGuildId(discordGuildId: Long): User? {
-        return transaction {
-            val users = User.find(Users.liveAlertGuild eq discordGuildId)
-
-            users.firstOrNull()
-        }
-    }
-
-    fun getAllUsers(): List<User> {
-        return transaction {
-            User.all().toList()
-        }
-    }
-
-    fun updateLiveAlert(id: Int, guildId: Long, channelId: Long, alertMessage: String?): User {
-        return transaction {
-            val updated = Users.update({ Users.id eq id }) {
-                it[liveAlertGuild] = guildId
-                it[liveAlertChannel] = channelId
-                it[liveAlertMessage] = alertMessage ?: ""
-            }
-
-            if(updated == 0) throw RuntimeException("User not found! $id")
-            val users = User.find { Users.id eq id }
-
-            return@transaction users.first()
-        }
-    }
-}

webserver/build.gradle.kts

@@ -0,0 +1,56 @@
+plugins {
+    kotlin("jvm")
+    kotlin("plugin.serialization").version("2.0.0")
+}
+
+group = project.rootProject.group
+version = project.rootProject.version
+
+repositories {
+    mavenCentral()
+}
+
+val ktorVersion = "3.1.3"
+
+dependencies {
+    implementation("io.ktor:ktor-server-core:$ktorVersion")
+    implementation("io.ktor:ktor-server-netty:$ktorVersion")
+    implementation("io.ktor:ktor-server-websockets:$ktorVersion")
+    implementation("io.ktor:ktor-server-swagger:$ktorVersion")
+    implementation("io.ktor:ktor-server-content-negotiation:$ktorVersion")
+    implementation("io.ktor:ktor-server-cors:$ktorVersion")
+    implementation("io.ktor:ktor-server-swagger:$ktorVersion")
+    implementation("io.ktor:ktor-server-auth:$ktorVersion")
+
+    implementation("io.ktor:ktor-client-core:$ktorVersion")
+    implementation("io.ktor:ktor-client-cio:$ktorVersion")
+    implementation("io.ktor:ktor-client-content-negotiation:$ktorVersion")
+    implementation("io.ktor:ktor-serialization-kotlinx-json:$ktorVersion")
+
+    implementation("io.swagger.codegen.v3:swagger-codegen-generators:1.0.54")
+
+    // https://mvnrepository.com/artifact/org.jetbrains.kotlinx/kotlinx-coroutines-core
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.9.0")
+    // https://mvnrepository.com/artifact/org.jetbrains.kotlin/kotlin-reflect
+    implementation("org.jetbrains.kotlin:kotlin-reflect:2.0.21")
+
+    // https://mvnrepository.com/artifact/io.insert-koin/koin-core
+    implementation("io.insert-koin:koin-core:4.0.0")
+
+    // https://mvnrepository.com/artifact/ch.qos.logback/logback-classic
+    implementation("ch.qos.logback:logback-classic:1.5.12")
+
+    // https://mvnrepository.com/artifact/io.github.cdimascio/dotenv-kotlin
+    implementation("io.github.cdimascio:dotenv-kotlin:6.4.2")
+
+    implementation(project(":common"))
+
+    testImplementation(kotlin("test"))
+}
+
+tasks.test {
+    useJUnitPlatform()
+}
+kotlin {
+    jvmToolchain(21)
+}

webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/Main.kt

@@ -0,0 +1,447 @@
+package space.mori.chzzk_bot.webserver
+
+import applicationHttpClient
+import io.github.cdimascio.dotenv.dotenv
+import io.ktor.client.call.*
+import io.ktor.client.request.*
+import io.ktor.client.statement.*
+import io.ktor.http.*
+import io.ktor.serialization.kotlinx.*
+import io.ktor.serialization.kotlinx.json.*
+import io.ktor.server.application.*
+import io.ktor.server.auth.*
+import io.ktor.server.engine.*
+import io.ktor.server.netty.*
+import io.ktor.server.plugins.contentnegotiation.*
+import io.ktor.server.plugins.cors.routing.*
+import io.ktor.server.plugins.swagger.*
+import io.ktor.server.response.*
+import io.ktor.server.routing.*
+import io.ktor.server.sessions.*
+import io.ktor.server.websocket.*
+import kotlinx.coroutines.delay
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.Json
+import org.koin.java.KoinJavaComponent.inject
+import space.mori.chzzk_bot.common.events.CoroutinesEventBus
+import space.mori.chzzk_bot.common.events.UserRegisterEvent
+import space.mori.chzzk_bot.common.services.UserService
+import space.mori.chzzk_bot.webserver.routes.*
+import space.mori.chzzk_bot.webserver.utils.DiscordRatelimits
+import java.math.BigInteger
+import java.security.SecureRandom
+import java.time.Duration
+import kotlin.getValue
+import kotlin.time.toKotlinDuration
+
+val dotenv = dotenv {
+    ignoreIfMissing = true
+}
+
+val redirects = mutableMapOf<String, String>()
+
+val server = embeddedServer(Netty, port = 8080, ) {
+    install(WebSockets) {
+        pingPeriod = Duration.ofSeconds(15).toKotlinDuration()
+        timeout = Duration.ofSeconds(100).toKotlinDuration()
+        maxFrameSize = Long.MAX_VALUE
+        masking = false
+        contentConverter = KotlinxWebsocketSerializationConverter(Json)
+    }
+
+    install(ContentNegotiation) {
+        json(Json {
+            prettyPrint = true
+            isLenient = true
+        })
+    }
+    install(Sessions) {
+        cookie<UserSession>("user_session", storage = MariadbSessionStorage()) {}
+    }
+    install(Authentication) {
+        oauth("auth-oauth-discord") {
+            urlProvider = { "${dotenv["HOST"]}/auth/callback/discord" }
+            providerLookup = { OAuthServerSettings.OAuth2ServerSettings(
+                name = "discord",
+                authorizeUrl = "https://discord.com/oauth2/authorize",
+                accessTokenUrl = "https://discord.com/api/oauth2/token",
+                clientId = dotenv["DISCORD_CLIENT_ID"],
+                clientSecret = dotenv["DISCORD_CLIENT_SECRET"],
+                requestMethod = HttpMethod.Post,
+                defaultScopes = listOf(),
+                extraAuthParameters = listOf(
+                    Pair("permissions", "826781943872"),
+                    Pair("response_type", "code"),
+                    Pair("integration_type", "0"),
+                    Pair("scope", "guilds bot identify")
+                ),
+                onStateCreated = { call, state ->
+                    call.request.queryParameters["redirectUrl"]?.let {
+                        redirects[state] = it
+                    }
+                }
+            )}
+            client = applicationHttpClient
+        }
+    }
+    routing {
+        val dispatcher: CoroutinesEventBus by inject(CoroutinesEventBus::class.java)
+
+        route("/auth") {
+            // discord login
+            authenticate("auth-oauth-discord") {
+                get("/login/discord") {
+
+                }
+                get("/callback/discord") {
+                    try {
+                        val principal = call.principal<OAuthAccessTokenResponse.OAuth2>()
+                        val session = call.sessions.get<UserSession>()
+                        val user = session?.id?.let { UserService.getUser(it) }
+
+                        if(principal != null && session != null && user != null) {
+                            try {
+                                val accessToken = principal.accessToken
+                                val userInfo = getDiscordUser(accessToken)
+                                val guilds = getUserGuilds(accessToken)
+
+                                userInfo?.user?.id?.toLong()?.let { id -> UserService.updateUser(user, id) }
+
+                                call.sessions.set(UserSession(
+                                    session.state,
+                                    session.id,
+                                    guilds.filter {
+                                        it.owner
+                                    }.map { it.id }
+                                ))
+
+                                redirects[principal.state]?.let { redirect ->
+                                    call.respondRedirect(redirect)
+                                    return@get
+                                }
+
+                                call.respondRedirect(getFrontendURL(""))
+                            } catch(e: Exception) {
+                                println(e.toString())
+                                call.respondRedirect(getFrontendURL(""))
+                            }
+                        } else {
+                            call.respondRedirect(getFrontendURL(""))
+                        }
+                    } catch(e: Exception) {
+                        println(e.stackTrace)
+                    }
+                }
+            }
+
+            // naver login
+            get("/login") {
+                val state = generateSecureRandomState()
+
+                // 세션에 상태 값 저장
+                call.sessions.set(UserSession(
+                    state,
+                    "",
+                    listOf(),
+                ))
+
+                // OAuth 제공자의 인증 URL 구성
+                val authUrl = URLBuilder("https://chzzk.naver.com/account-interlock").apply {
+                    parameters.append("clientId", dotenv["NAVER_CLIENT_ID"]) // 비표준 파라미터 이름
+                    parameters.append("redirectUri", "${dotenv["HOST"]}/auth/callback")
+                    parameters.append("state", state)
+                    // 추가적인 파라미터가 필요하면 여기에 추가
+                }.build().toString()
+
+                // 사용자에게 인증 페이지로 리다이렉트
+                call.respondRedirect(authUrl)
+            }
+            get("/callback") {
+                val receivedState = call.parameters["state"]
+                val code = call.parameters["code"]
+
+                // 세션에서 상태 값 가져오기
+                val session = call.sessions.get<UserSession>()
+                if (session == null || session.state != receivedState) {
+                    call.respond(HttpStatusCode.BadRequest, "Invalid state parameter")
+                    return@get
+                }
+
+                if (code == null) {
+                    call.respond(HttpStatusCode.BadRequest, "Missing code parameter")
+                    return@get
+                }
+                try {
+                    // Access Token 요청
+                    val tokenRequest = TokenRequest(
+                        grantType = "authorization_code",
+                        state = session.state,
+                        code = code,
+                        clientId = dotenv["NAVER_CLIENT_ID"],
+                        clientSecret = dotenv["NAVER_CLIENT_SECRET"]
+                    )
+
+                    val response = applicationHttpClient.post("https://openapi.chzzk.naver.com/auth/v1/token") {
+                        contentType(ContentType.Application.Json)
+                        setBody(tokenRequest)
+                    }
+
+                    val tokenResponse = response.body<TokenResponse>()
+
+                    if(tokenResponse.content == null) {
+                        call.respond(HttpStatusCode.InternalServerError, "Failed to obtain access token")
+                        return@get
+                    }
+
+                    // Access Token 사용: 예를 들어, 사용자 정보 요청
+                    val userInfo = getChzzkUser(tokenResponse.content.accessToken)
+
+                    if(userInfo.content != null) {
+                        var user = UserService.getUser(userInfo.content.channelId)
+
+                        if(user == null) {
+                            user = UserService.saveUser(userInfo.content.channelName , userInfo.content.channelId)
+                        }
+
+                        call.sessions.set(
+                            UserSession(
+                                session.state,
+                                userInfo.content.channelId,
+                                listOf()
+                            )
+                        )
+                        UserService.setRefreshToken(user,
+                            tokenResponse.content.accessToken,
+                            tokenResponse.content.refreshToken ?: ""
+                        )
+
+                        dispatcher.post(UserRegisterEvent(user.token))
+
+                        call.respondRedirect(getFrontendURL(""))
+                    }
+                } catch (e: Exception) {
+                    e.printStackTrace()
+                    call.respond(HttpStatusCode.InternalServerError, "Failed to obtain access token")
+                }
+            }
+
+            // common: logout
+            get("/logout") {
+                call.sessions.clear<UserSession>()
+                call.response.status(HttpStatusCode.OK)
+                return@get
+            }
+        }
+
+        apiRoutes()
+        apiSongRoutes()
+        apiCommandRoutes()
+        apiTimerRoutes()
+        apiDiscordRoutes()
+
+        wsTimerRoutes()
+        wsSongRoutes()
+        wsSongListRoutes()
+
+        swaggerUI("swagger-ui/index.html", "openapi/documentation.yaml") {
+            options {
+                version = "1.2.0"
+            }
+        }
+    }
+
+    install(CORS) {
+        allowMethod(HttpMethod.Options)
+        allowMethod(HttpMethod.Put)
+        allowMethod(HttpMethod.Patch)
+        allowMethod(HttpMethod.Post)
+        allowMethod(HttpMethod.Delete)
+        allowMethod(HttpMethod.Get)
+        allowHost(dotenv["FRONTEND"] ?: "localhost:3000", schemes=listOf("https"))
+        allowCredentials = true
+        allowNonSimpleContentTypes = true
+    }
+}
+
+fun start() {
+    server.start(wait = true)
+}
+
+fun stop() {
+    server.stop()
+}
+
+fun getFrontendURL(path: String)
+    = "${if(dotenv["FRONTEND_HTTPS"].toBoolean()) "https://" else "http://" }${dotenv["FRONTEND"]}${path}"
+
+@Serializable
+data class UserSession(
+    val state: String,
+    val id: String,
+    val discordGuildList: List<String>,
+
+)
+
+@Serializable
+data class TokenRequest(
+    val grantType: String,
+    val state: String,
+    val code: String,
+    val clientId: String,
+    val clientSecret: String
+)
+
+@Serializable
+data class TokenResponse(
+    val code: Int,
+    val message: String?,
+    val content: TokenResponseBody?
+)
+
+@Serializable
+data class TokenResponseBody(
+    val accessToken: String,
+    val tokenType: String,
+    val expiresIn: Int,
+    val refreshToken: String? = null
+)
+
+@Serializable
+data class DiscordMeAPI(
+    val application: DiscordApplicationAPI,
+    val scopes: List<String>,
+    val user: DiscordUserAPI
+)
+
+@Serializable
+data class DiscordApplicationAPI(
+    val id: String,
+    val name: String,
+    val icon: String,
+    val description: String,
+    val hook: Boolean,
+    val bot_public: Boolean,
+    val bot_require_code_grant: Boolean,
+    val verify_key: String
+)
+
+@Serializable
+data class DiscordUserAPI(
+    val id: String,
+    val username: String,
+    val avatar: String,
+    val discriminator: String,
+    val global_name: String,
+    val public_flags: Int
+)
+
+@Serializable
+data class DiscordGuildListAPI(
+    val id: String,
+    val name: String,
+    val icon: String?,
+    val banner: String?,
+    val owner: Boolean,
+    val permissions: Int,
+    val features: List<String>,
+    val roles: List<GuildRole>?
+)
+
+@Serializable
+data class GuildRole(
+    val id: String,
+    val name: String,
+    val color: Int,
+    val mentionable: Boolean,
+)
+
+enum class ChannelType(val value: Int) {
+    GUILD_TEXT(0),
+    DM(1),
+    GUILD_VOICE(2),
+    GROUP_DM(3),
+    GUILD_CATEGORY(4),
+    GUILD_ANNOUNCEMENT(5),
+    ANNOUNCEMENT_THREAD(10),
+    PUBLIC_THREAD(11),
+    PRIVATE_THREAD(12),
+    GUILD_STAGE_VOICE(13),
+    GUILD_DIRECTORY(14),
+    GUILD_FORUM(15),
+    GUILD_MEDIA(16)
+}
+
+@Serializable
+data class GuildChannel(
+    val id: String,
+    val type: Int,
+    val name: String?
+)
+
+suspend fun getDiscordUser(accessToken: String): DiscordMeAPI? {
+    if(DiscordRatelimits.isLimited()) {
+        delay(DiscordRatelimits.getRateReset())
+    }
+
+    val response: HttpResponse = applicationHttpClient.get("https://discord.com/api/oauth2/@me") {
+        headers {
+            append(HttpHeaders.Authorization, "Bearer $accessToken")
+        }
+    }
+
+    val rateLimit = response.headers["X-RateLimit-Limit"]?.toIntOrNull()
+    val remaining = response.headers["X-RateLimit-Remaining"]?.toIntOrNull()
+    val resetAfter = response.headers["X-RateLimit-Reset-After"]?.toDoubleOrNull()?.toLong()
+
+    DiscordRatelimits.setRateLimit(rateLimit, remaining, resetAfter)
+
+    return response.body<DiscordMeAPI?>()
+}
+
+suspend fun getUserGuilds(accessToken: String): List<DiscordGuildListAPI> {
+    if(DiscordRatelimits.isLimited()) {
+        delay(DiscordRatelimits.getRateReset())
+    }
+
+    val response = applicationHttpClient.get("https://discord.com/api/users/@me/guilds") {
+        headers {
+            append(HttpHeaders.Authorization, "Bearer $accessToken")
+        }
+    }
+
+    val rateLimit = response.headers["X-RateLimit-Limit"]?.toIntOrNull()
+    val remaining = response.headers["X-RateLimit-Remaining"]?.toIntOrNull()
+    val resetAfter = response.headers["X-RateLimit-Reset-After"]?.toDoubleOrNull()?.toLong()
+
+    DiscordRatelimits.setRateLimit(rateLimit, remaining, resetAfter)
+
+    return response.body<List<DiscordGuildListAPI>>()
+}
+
+@Serializable
+data class ChzzkMeApi(
+    val channelId: String,
+    val channelName: String,
+    val nickname: String,
+)
+
+@Serializable
+data class ChzzkApi<T>(
+    val code: Int,
+    val message: String?,
+    val content: T?
+)
+
+suspend fun getChzzkUser(accessToken: String): ChzzkApi<ChzzkMeApi> {
+    val response = applicationHttpClient.get("https://openapi.chzzk.naver.com/open/v1/users/me") {
+        headers {
+            append(HttpHeaders.Authorization, "Bearer $accessToken")
+        }
+    }
+
+    return response.body<ChzzkApi<ChzzkMeApi>>()
+}
+
+fun generateSecureRandomState(): String {
+    return BigInteger(130, SecureRandom()).toString(32)
+}

webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/MariadbSessionStorage.kt

@@ -0,0 +1,41 @@
+package space.mori.chzzk_bot.webserver
+
+import io.ktor.server.sessions.*
+import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
+import org.jetbrains.exposed.sql.transactions.transaction
+import space.mori.chzzk_bot.common.models.Session
+import space.mori.chzzk_bot.common.models.Sessions as SessionTable
+
+class MariadbSessionStorage: SessionStorage {
+    override suspend fun invalidate(id: String) {
+        return transaction {
+            val session = Session.find(
+                SessionTable.key eq id
+            ).firstOrNull()
+            session?.delete()
+        }
+    }
+
+    override suspend fun read(id: String): String {
+        return transaction {
+            val session = Session.find(SessionTable.key eq id).firstOrNull()
+                ?: throw NoSuchElementException("Session $id not found")
+            session.value
+        }
+    }
+
+    override suspend fun write(id: String, value: String) {
+        return transaction {
+            val session = Session.find(SessionTable.key eq id).firstOrNull()
+
+            if (session == null) {
+                Session.new {
+                    this.key = id
+                    this.value = value
+                }
+            } else {
+                session.value = value
+            }
+        }
+    }
+}

webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/ktorClient.kt

@@ -0,0 +1,17 @@
+import io.ktor.client.*
+import io.ktor.client.engine.cio.*
+import io.ktor.client.plugins.contentnegotiation.*
+import io.ktor.serialization.kotlinx.json.*
+import kotlinx.serialization.ExperimentalSerializationApi
+import kotlinx.serialization.json.Json
+
+@OptIn(ExperimentalSerializationApi::class)
+val applicationHttpClient = HttpClient(CIO) {
+    install(ContentNegotiation) {
+        json(json = Json {
+            ignoreUnknownKeys = true
+            coerceInputValues = true
+            explicitNulls = false
+        })
+    }
+}

webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/routes/ApiCommandRoutes.kt

@@ -0,0 +1,168 @@
+package space.mori.chzzk_bot.webserver.routes
+
+import io.ktor.http.*
+import io.ktor.server.request.*
+import io.ktor.server.response.*
+import io.ktor.server.routing.*
+import io.ktor.server.sessions.*
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.serialization.Serializable
+import org.jetbrains.exposed.sql.transactions.transaction
+import org.koin.java.KoinJavaComponent.inject
+import space.mori.chzzk_bot.common.events.CommandReloadEvent
+import space.mori.chzzk_bot.common.events.CoroutinesEventBus
+import space.mori.chzzk_bot.common.services.CommandService
+import space.mori.chzzk_bot.common.services.UserService
+import space.mori.chzzk_bot.webserver.UserSession
+
+fun Routing.apiCommandRoutes() {
+    val dispatcher: CoroutinesEventBus by inject(CoroutinesEventBus::class.java)
+
+    route("/commands") {
+        get("/{uid}") {
+            val uid = call.parameters["uid"]
+            if(uid == null) {
+                call.respond(HttpStatusCode.BadRequest, "UID is required")
+                return@get
+            }
+            val user = UserService.getUser(uid)
+            if(user == null) {
+                call.respond(HttpStatusCode.BadRequest, "User does not exist")
+                return@get
+            }
+
+            val commands = CommandService.getCommands(user)
+
+            call.respond(HttpStatusCode.OK, commands.map {
+                CommandsResponseDTO(it.command, it.content, it.failContent)
+            })
+        }
+
+        put("/{uid}") {
+            val uid = call.parameters["uid"]
+            val session = call.sessions.get<UserSession>()
+            val commandRequest = call.receive<CommandsRequestDTO>()
+            if(uid == null) {
+                call.respond(HttpStatusCode.BadRequest, "UID is required")
+                return@put
+            }
+            val user = UserService.getUser(uid)
+            if(user == null) {
+                call.respond(HttpStatusCode.BadRequest, "User does not exist")
+                return@put
+            }
+
+            val managers = transaction {
+                user.managers.toList()
+            }
+            if(!managers.any { it.token == session?.id } && user.token != session?.id) {
+                call.respond(HttpStatusCode.BadRequest, "User does not exist")
+                return@put
+            }
+
+            CommandService.saveCommand(user,
+                commandRequest.label,
+                commandRequest.content,
+                commandRequest.failContent ?: ""
+            )
+            CoroutineScope(Dispatchers.Default).launch {
+                for(i: Int in 0..3) {
+                    dispatcher.post(CommandReloadEvent(user.token))
+                }
+            }
+            call.respond(HttpStatusCode.OK)
+        }
+
+        post("/{uid}") {
+            val uid = call.parameters["uid"]
+            val session = call.sessions.get<UserSession>()
+            val commandRequest = call.receive<CommandsRequestDTO>()
+            if(uid == null) {
+                call.respond(HttpStatusCode.BadRequest, "UID is required")
+                return@post
+            }
+            val user = UserService.getUser(uid)
+            if(user == null) {
+                call.respond(HttpStatusCode.BadRequest, "User does not exist")
+                return@post
+            }
+
+            val managers = transaction {
+                user.managers.toList()
+            }
+            if(!managers.any { it.token == session?.id } && user.token != session?.id) {
+                call.respond(HttpStatusCode.BadRequest, "User does not exist")
+                return@post
+            }
+
+            try {
+                CommandService.updateCommand(
+                    user,
+                    commandRequest.label,
+                    commandRequest.content,
+                    commandRequest.failContent ?: ""
+                )
+                CoroutineScope(Dispatchers.Default).launch {
+                    for(i: Int in 0..3) {
+                        dispatcher.post(CommandReloadEvent(user.token))
+                    }
+                }
+                call.respond(HttpStatusCode.OK)
+            } catch(e: Exception) {
+                call.respond(HttpStatusCode.BadRequest)
+            }
+        }
+
+        delete("/{uid}") {
+            val uid = call.parameters["uid"]
+            val session = call.sessions.get<UserSession>()
+            val commandRequest = call.receive<CommandsRequestDTO>()
+            if(uid == null) {
+                call.respond(HttpStatusCode.BadRequest, "UID is required")
+                return@delete
+            }
+            val user = UserService.getUser(uid)
+            if(user == null) {
+                call.respond(HttpStatusCode.BadRequest, "User does not exist")
+                return@delete
+            }
+
+            val managers = transaction {
+                user.managers.toList()
+            }
+            if(!managers.any { it.token == session?.id } && user.token != session?.id) {
+                call.respond(HttpStatusCode.BadRequest, "User does not exist")
+                return@delete
+            }
+
+            try {
+                CommandService.removeCommand(user, commandRequest.label)
+                CoroutineScope(Dispatchers.Default).launch {
+                    for(i: Int in 0..3) {
+                        dispatcher.post(CommandReloadEvent(user.token))
+                    }
+                }
+                call.respond(HttpStatusCode.OK)
+            } catch(e: Exception) {
+                call.respond(HttpStatusCode.BadRequest)
+            }
+        }
+    }
+}
+
+
+@Serializable
+data class CommandsRequestDTO(
+    val label: String,
+    val content: String,
+    val failContent: String?
+)
+
+@Serializable
+data class CommandsResponseDTO(
+    val label: String,
+    val content: String,
+    val failContent: String?
+)

webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/routes/ApiDiscordRoutes.kt

@@ -0,0 +1,120 @@
+package space.mori.chzzk_bot.webserver.routes
+
+import io.ktor.http.*
+import io.ktor.server.request.*
+import io.ktor.server.response.*
+import io.ktor.server.routing.*
+import io.ktor.server.sessions.*
+import kotlinx.serialization.Serializable
+import org.jetbrains.exposed.sql.transactions.transaction
+import org.koin.java.KoinJavaComponent.inject
+import space.mori.chzzk_bot.common.events.CoroutinesEventBus
+import space.mori.chzzk_bot.common.services.UserService
+import space.mori.chzzk_bot.webserver.UserSession
+import space.mori.chzzk_bot.webserver.utils.DiscordGuildCache
+
+fun Route.apiDiscordRoutes() {
+    val dispatcher: CoroutinesEventBus by inject(CoroutinesEventBus::class.java)
+
+    route("/discord") {
+        get("/{uid}") {
+            val uid = call.parameters["uid"]
+            val session = call.sessions.get<UserSession>()
+            if(uid == null) {
+                call.respond(HttpStatusCode.BadRequest, "UID is required")
+                return@get
+            }
+            val user = UserService.getUser(uid)
+            if(user?.token == null) {
+                call.respond(HttpStatusCode.BadRequest, "User does not exist")
+                return@get
+            }
+
+            val managers = transaction {
+                user.managers.toList()
+            }
+            if(!managers.any { it.token == session?.id } && user.token != session?.id) {
+                call.respond(HttpStatusCode.BadRequest, "User does not exist")
+                return@get
+            }
+
+            if (user.discord == null) {
+                call.respond(HttpStatusCode.NotFound)
+                return@get
+            }
+            call.respond(HttpStatusCode.OK, GuildSettings(
+                user.liveAlertGuild.toString(),
+                user.liveAlertChannel.toString(),
+                user.liveAlertMessage
+            ))
+            return@get
+        }
+        post("/{uid}") {
+            val uid = call.parameters["uid"]
+            val session = call.sessions.get<UserSession>()
+            val body: GuildSettings = call.receive()
+            if(uid == null) {
+                call.respond(HttpStatusCode.BadRequest, "UID is required")
+                return@post
+            }
+            val user = UserService.getUser(uid)
+            if(user?.token == null) {
+                call.respond(HttpStatusCode.BadRequest, "User does not exist")
+                return@post
+            }
+
+            val managers = transaction {
+                user.managers.toList()
+            }
+            if(!managers.any { it.token == session?.id } && user.token != session?.id) {
+                call.respond(HttpStatusCode.BadRequest, "User does not exist")
+                return@post
+            }
+
+            UserService.updateLiveAlert(user, body.guildId?.toLong() ?: 0L, body.channelId?.toLong() ?: 0L, body.message)
+            call.respond(HttpStatusCode.OK)
+        }
+        get("/guild/{gid}") {
+            val gid = call.parameters["gid"]
+            val session = call.sessions.get<UserSession>()
+            if(gid == null) {
+                call.respond(HttpStatusCode.BadRequest, "GID is required")
+                return@get
+            }
+            if(session == null) {
+                call.respond(HttpStatusCode.BadRequest, "Session is required")
+                return@get
+            }
+            val user = UserService.getUser(session.id)
+            if(user == null) {
+                call.respond(HttpStatusCode.BadRequest, "User does not exist")
+                return@get
+            }
+
+            val guild = DiscordGuildCache.getCachedGuilds(gid)
+            if(guild == null) {
+                call.respond(HttpStatusCode.NotFound)
+                return@get
+            }
+            call.respond(HttpStatusCode.OK, guild)
+            return@get
+        }
+        get("/guilds") {
+            val session = call.sessions.get<UserSession>()
+            if(session == null) {
+                call.respond(HttpStatusCode.BadRequest, "Session is required")
+                return@get
+            }
+
+            call.respond(HttpStatusCode.OK, DiscordGuildCache.getCachedGuilds(session.discordGuildList))
+            return@get
+        }
+    }
+}
+
+@Serializable
+data class GuildSettings(
+    val guildId: String?,
+    val channelId: String?,
+    val message: String? = null,
+)

webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/routes/ApiRoutes.kt

@@ -0,0 +1,149 @@
+package space.mori.chzzk_bot.webserver.routes
+
+import io.ktor.http.*
+import io.ktor.server.response.*
+import io.ktor.server.routing.*
+import io.ktor.server.sessions.*
+import kotlinx.serialization.Serializable
+import org.jetbrains.exposed.sql.transactions.transaction
+import org.koin.java.KoinJavaComponent.inject
+import space.mori.chzzk_bot.common.events.CoroutinesEventBus
+import space.mori.chzzk_bot.common.services.SongConfigService
+import space.mori.chzzk_bot.common.services.UserService
+import space.mori.chzzk_bot.webserver.UserSession
+import kotlinx.coroutines.CompletableDeferred
+import kotlinx.coroutines.withTimeoutOrNull
+import space.mori.chzzk_bot.common.events.ChzzkUserFindEvent
+import space.mori.chzzk_bot.common.events.ChzzkUserReceiveEvent
+
+@Serializable
+data class GetUserDTO(
+    val uid: String,
+    val nickname: String,
+    val isStreamOn: Boolean,
+    val avatarUrl: String
+)
+
+@Serializable
+data class GetSessionDTO(
+    val uid: String,
+    val nickname: String,
+    val isStreamOn: Boolean,
+    val avatarUrl: String,
+    val maxQueueSize: Int,
+    val maxUserSize: Int,
+    val isStreamerOnly: Boolean,
+    val isDisabled: Boolean
+)
+
+fun Routing.apiRoutes() {
+    val dispatcher: CoroutinesEventBus by inject(CoroutinesEventBus::class.java)
+
+    suspend fun getChzzkUserWithId(uid: String): ChzzkUserReceiveEvent? {
+        val completableDeferred = CompletableDeferred<ChzzkUserReceiveEvent>()
+        dispatcher.subscribe(ChzzkUserReceiveEvent::class) { event ->
+            if (event.uid == uid) {
+                completableDeferred.complete(event)
+            }
+        }
+        val user = withTimeoutOrNull(5000) {
+            dispatcher.post(ChzzkUserFindEvent(uid))
+            completableDeferred.await()
+        }
+        return user
+    }
+
+    route("/") {
+        get {
+            call.respondText("Hello World!", status =
+                HttpStatusCode.OK)
+        }
+    }
+    route("/health") {
+        get {
+            call.respondText("OK", status= HttpStatusCode.OK)
+        }
+    }
+
+    route("/user/{uid}") {
+        get {
+        val uid = call.parameters["uid"]
+            if(uid == null) {
+                call.respondText("Require UID", status = HttpStatusCode.NotFound)
+                return@get
+            }
+            val user = getChzzkUserWithId(uid)
+            if (user?.find == false) {
+                call.respondText("User not found", status = HttpStatusCode.NotFound)
+                return@get
+            } else {
+                call.respond(HttpStatusCode.OK, GetUserDTO(
+                    user?.uid ?: "",
+                    user?.nickname ?: "",
+                    user?.isStreamOn ?: false,
+                    user?.avatarUrl ?: ""
+                ))
+            }
+        }
+    }
+    route("/user") {
+        get {
+            val session = call.sessions.get<UserSession>()
+
+            if(session == null) {
+                call.respondText("No session found", status = HttpStatusCode.Unauthorized)
+                return@get
+            }
+            var user = UserService.getUser(session.id)
+            if(user == null) {
+                user = UserService.saveUser("임시닉네임", session.id)
+            }
+            val songConfig = SongConfigService.getConfig(user)
+            val status = getChzzkUserWithId(user.token)
+            val returnUsers = mutableListOf<GetSessionDTO>()
+
+            if(status == null) {
+                call.respondText("No user found", status = HttpStatusCode.NotFound)
+                return@get
+            }
+
+            if (user.username == "임시닉네임") {
+                status.let { stats -> UserService.updateUser(user, stats.uid ?: "", stats.nickname ?: "") }
+            }
+
+            returnUsers.add(GetSessionDTO(
+                status.uid ?: user.token,
+                status.nickname ?: user.username,
+                status.isStreamOn == true,
+                status.avatarUrl ?: "",
+                songConfig.queueLimit,
+                songConfig.personalLimit,
+                songConfig.streamerOnly,
+                songConfig.disabled
+            ))
+
+            val subordinates = transaction {
+                user.subordinates.toList()
+            }
+            returnUsers.addAll(subordinates.map {
+                val subStatus = getChzzkUserWithId(it.token)
+                return@map if (subStatus == null) {
+                    null
+                } else {
+                    GetSessionDTO(
+                        subStatus.uid ?: "",
+                        subStatus.nickname ?: "",
+                        subStatus.isStreamOn == true,
+                        subStatus.avatarUrl ?: "",
+                        0,
+                        0,
+                        false,
+                        false
+                    )
+                }
+            }.filterNotNull())
+
+            call.respond(HttpStatusCode.OK, returnUsers)
+        }
+    }
+}

webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/routes/ApiSongRoutes.kt

@@ -0,0 +1,69 @@
+package space.mori.chzzk_bot.webserver.routes
+
+import io.ktor.http.*
+import io.ktor.server.application.*
+import io.ktor.server.response.*
+import io.ktor.server.routing.*
+import kotlinx.serialization.Serializable
+import space.mori.chzzk_bot.common.models.SongList
+import space.mori.chzzk_bot.common.services.SongListService
+import space.mori.chzzk_bot.common.services.UserService
+import space.mori.chzzk_bot.common.utils.YoutubeVideo
+import space.mori.chzzk_bot.webserver.utils.CurrentSong
+
+@Serializable
+data class SongsDTO(
+    val url: String,
+    val name: String,
+    val author: String,
+    val time: Int,
+    val reqName: String
+)
+
+@Serializable
+data class SongsResponseDTO(
+    val current: SongsDTO? = null,
+    val next: List<SongsDTO> = emptyList()
+)
+
+fun SongList.toDTO(): SongsDTO = SongsDTO(
+    this.url,
+    this.name,
+    this.author,
+    this.time,
+    this.reqName
+)
+
+fun YoutubeVideo.toDTO(): SongsDTO = SongsDTO(
+    this.url,
+    this.name,
+    this.author,
+    this.length,
+    ""
+)
+
+fun Routing.apiSongRoutes() {
+    route("/songs/{uid}") {
+        get {
+            val uid = call.parameters["uid"]
+            val user = uid?.let { it1 -> UserService.getUser(it1) }
+            if (user == null) {
+                call.respondText("No user found", status = HttpStatusCode.NotFound)
+                return@get
+            }
+
+            val songs = SongListService.getSong(user)
+            call.respond(HttpStatusCode.OK,
+                SongsResponseDTO(
+                    CurrentSong.getSong(user)?.toDTO(),
+                    songs.map { it.toDTO() }
+                )
+            )
+        }
+    }
+    route("/songs") {
+        get {
+            call.respondText("Require UID", status= HttpStatusCode.BadRequest)
+        }
+    }
+}

webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/routes/ApiTimerRoutes.kt

@@ -0,0 +1,79 @@
+package space.mori.chzzk_bot.webserver.routes
+
+import io.ktor.http.*
+import io.ktor.server.request.*
+import io.ktor.server.response.*
+import io.ktor.server.routing.*
+import io.ktor.server.sessions.*
+import kotlinx.serialization.Serializable
+import org.jetbrains.exposed.sql.transactions.transaction
+import space.mori.chzzk_bot.common.events.TimerType
+import space.mori.chzzk_bot.common.services.TimerConfigService
+import space.mori.chzzk_bot.common.services.UserService
+import space.mori.chzzk_bot.webserver.UserSession
+
+fun Routing.apiTimerRoutes() {
+    route("/timerapi") {
+        get("/{uid}") {
+            val uid = call.parameters["uid"]
+            val session = call.sessions.get<UserSession>()
+            if(uid == null) {
+                call.respond(HttpStatusCode.BadRequest, "UID is required")
+                return@get
+            }
+            val user = UserService.getUser(uid)
+            if(user == null) {
+                call.respond(HttpStatusCode.BadRequest, "User does not exist")
+                return@get
+            }
+
+            val managers = transaction {
+                user.managers.toList()
+            }
+            if(!managers.any { it.token == session?.id } && user.token != session?.id) {
+                call.respond(HttpStatusCode.BadRequest, "User does not exist")
+                return@get
+            }
+
+            val timerConfig = TimerConfigService.getConfig(user)
+
+            call.respond(HttpStatusCode.OK, TimerResponseDTO(timerConfig?.option ?: 0))
+        }
+
+        put("/{uid}") {
+            val uid = call.parameters["uid"]
+            val session = call.sessions.get<UserSession>()
+            val request = call.receive<TimerRequestDTO>()
+            if(uid == null) {
+                call.respond(HttpStatusCode.BadRequest, "UID is required")
+                return@put
+            }
+            val user = UserService.getUser(uid)
+            if(user == null) {
+                call.respond(HttpStatusCode.BadRequest, "User does not exist")
+                return@put
+            }
+
+            val managers = transaction {
+                user.managers.toList()
+            }
+            if(!managers.any { it.token == session?.id } && user.token != session?.id) {
+                call.respond(HttpStatusCode.BadRequest, "User does not exist")
+                return@put
+            }
+
+            TimerConfigService.saveOrUpdateConfig(user, TimerType.entries[request.option])
+            call.respond(HttpStatusCode.OK)
+        }
+    }
+}
+
+@Serializable
+data class TimerRequestDTO(
+    val option: Int
+)
+
+@Serializable
+data class TimerResponseDTO(
+    val option: Int
+)

webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/routes/WSSongListRoutes.kt

@@ -0,0 +1,357 @@
+package space.mori.chzzk_bot.webserver.routes
+
+import io.ktor.client.plugins.websocket.WebSocketException
+import io.ktor.server.application.*
+import io.ktor.server.routing.*
+import io.ktor.server.sessions.*
+import io.ktor.server.websocket.*
+import io.ktor.websocket.*
+import kotlinx.coroutines.*
+import kotlinx.coroutines.channels.ClosedReceiveChannelException
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.Json
+import org.koin.java.KoinJavaComponent.inject
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+import space.mori.chzzk_bot.common.events.*
+import space.mori.chzzk_bot.common.models.SongList
+import space.mori.chzzk_bot.common.models.User
+import space.mori.chzzk_bot.common.services.SongListService
+import space.mori.chzzk_bot.common.services.UserService
+import space.mori.chzzk_bot.common.utils.YoutubeVideo
+import space.mori.chzzk_bot.common.utils.getYoutubeVideo
+import space.mori.chzzk_bot.webserver.UserSession
+import space.mori.chzzk_bot.webserver.utils.CurrentSong
+import java.io.IOException
+import java.util.concurrent.ConcurrentHashMap
+
+fun Routing.wsSongListRoutes() {
+    val logger = LoggerFactory.getLogger("WSSongListRoutes")
+    val dispatcher: CoroutinesEventBus by inject(CoroutinesEventBus::class.java)
+    val songListScope = CoroutineScope(SupervisorJob() + Dispatchers.Default)
+
+    // Manage all active sessions
+    val sessionHandlers = ConcurrentHashMap<String, SessionHandler>()
+
+    // Handle application shutdown
+    environment.monitor.subscribe(ApplicationStopped) {
+        sessionHandlers.values.forEach {
+            songListScope.launch {
+                it.close(CloseReason(CloseReason.Codes.NORMAL, "Server shutting down"))
+            }
+        }
+    }
+
+    // WebSocket endpoint
+    webSocket("/songlist") {
+        val session = call.sessions.get<UserSession>()
+        val user: User? = session?.id?.let { UserService.getUser(it) }
+
+        if (user == null) {
+            close(CloseReason(CloseReason.Codes.CANNOT_ACCEPT, "Invalid SID"))
+            return@webSocket
+        }
+
+        val uid = user.token
+
+        // Ensure only one session per user
+        sessionHandlers[uid]?.close(CloseReason(CloseReason.Codes.VIOLATED_POLICY, "Another session is already active."))
+
+        val handler = SessionHandler(uid, this, dispatcher, logger)
+        sessionHandlers[uid] = handler
+
+        // Initialize session
+        handler.initialize()
+
+        // Listen for incoming frames
+        try {
+            for (frame in incoming) {
+                when (frame) {
+                    is Frame.Text -> handler.handleTextFrame(frame.readText())
+                    is Frame.Ping -> send(Frame.Pong(frame.data))
+                    else -> Unit
+                }
+            }
+        } catch (e: ClosedReceiveChannelException) {
+            logger.info("Session closed: ${e.message}")
+        } catch (e: IOException) {
+            logger.error("IO error: ${e.message}")
+        } catch (e: Exception) {
+            logger.error("Unexpected error: ${e.message}")
+        } finally {
+            sessionHandlers.remove(uid)
+            handler.close(CloseReason(CloseReason.Codes.NORMAL, "Session ended"))
+        }
+    }
+
+    // Subscribe to SongEvents
+    dispatcher.subscribe(SongEvent::class) { event ->
+        val handler = sessionHandlers[event.uid]
+        songListScope.launch {
+            handler?.sendSongResponse(event)
+        }
+    }
+
+    // Subscribe to TimerEvents
+    dispatcher.subscribe(TimerEvent::class) { event ->
+        if (event.type == TimerType.STREAM_OFF) {
+            val handler = sessionHandlers[event.uid]
+            songListScope.launch {
+                handler?.sendTimerOff()
+            }
+        }
+    }
+}
+
+class SessionHandler(
+    private val uid: String,
+    private val session: WebSocketServerSession,
+    private val dispatcher: CoroutinesEventBus,
+    private val logger: Logger
+) {
+    private val ackMap = ConcurrentHashMap<String, CompletableDeferred<Boolean>>()
+    private val sessionMutex = Mutex()
+    private val scope = CoroutineScope(SupervisorJob() + Dispatchers.Default)
+
+    suspend fun initialize() {
+        // Send initial status if needed,
+        // For example, send STREAM_OFF if applicable
+        // This can be extended based on your requirements
+    }
+
+    suspend fun handleTextFrame(text: String) {
+        if (text.trim() == "ping") {
+            session.send("pong")
+            return
+        }
+
+        val data = try {
+            Json.decodeFromString<SongRequest>(text)
+        } catch (e: Exception) {
+            logger.warn("Failed to decode SongRequest: ${e.message}")
+            return
+        }
+
+        when (data.type) {
+            SongType.ACK.value -> handleAck(data.uid)
+            else -> handleSongRequest(data)
+        }
+    }
+
+    private fun handleAck(requestUid: String) {
+        ackMap[requestUid]?.complete(true)
+        ackMap.remove(requestUid)
+    }
+
+    private fun handleSongRequest(data: SongRequest) {
+        scope.launch {
+            SongRequestProcessor.process(data, uid, dispatcher, this@SessionHandler, logger)
+        }
+    }
+
+    suspend fun sendSongResponse(event: SongEvent) {
+        val response = SongResponse(
+            type = event.type.value,
+            uid = event.uid,
+            reqUid = event.reqUid,
+            current = event.current?.toSerializable(),
+            next = event.next?.toSerializable(),
+            delUrl = event.delUrl
+        )
+        sendWithRetry(response)
+    }
+
+    suspend fun sendTimerOff() {
+        val response = SongResponse(
+            type = TimerType.STREAM_OFF.value,
+            uid = uid,
+            reqUid = null,
+            current = null,
+            next = null,
+            delUrl = null
+        )
+        sendWithRetry(response)
+    }
+
+    private suspend fun sendWithRetry(res: SongResponse, maxRetries: Int = 5, delayMillis: Long = 3000L) {
+        var attempt = 0
+        while (attempt < maxRetries) {
+            try {
+                session.sendSerialized(res)
+                val ackDeferred = CompletableDeferred<Boolean>()
+                ackMap[res.uid] = ackDeferred
+
+                val ackReceived = withTimeoutOrNull(5000L) { ackDeferred.await() } ?: false
+                if (ackReceived) {
+                    logger.debug("ACK received for message to $uid on attempt $attempt.")
+                    return
+                } else {
+                    logger.warn("ACK not received for message to $uid on attempt $attempt.")
+                }
+            } catch (e: IOException) {
+                logger.warn("Failed to send message to $uid on attempt $attempt: ${e.message}")
+                if (e is WebSocketException) {
+                    close(CloseReason(CloseReason.Codes.PROTOCOL_ERROR, "WebSocket error"))
+                    return
+                }
+            } catch (e: CancellationException) {
+                throw e
+            } catch (e: Exception) {
+                logger.warn("Unexpected error while sending message to $uid on attempt $attempt: ${e.message}")
+            }
+
+            attempt++
+            delay(delayMillis)
+        }
+
+        logger.error("Failed to send message to $uid after $maxRetries attempts.")
+    }
+
+    suspend fun close(reason: CloseReason) {
+        try {
+            session.close(reason)
+        } catch (e: Exception) {
+            logger.warn("Error closing session: ${e.message}")
+        }
+    }
+}
+
+object SongRequestProcessor {
+    private val songMutex = Mutex()
+
+    suspend fun process(
+        data: SongRequest,
+        uid: String,
+        dispatcher: CoroutinesEventBus,
+        handler: SessionHandler,
+        logger: Logger
+    ) {
+        val user = UserService.getUser(uid) ?: return
+
+        when (data.type) {
+            SongType.ADD.value -> handleAdd(data, user, dispatcher, handler, logger)
+            SongType.REMOVE.value -> handleRemove(data, user, dispatcher, logger)
+            SongType.NEXT.value -> handleNext(user, dispatcher, logger)
+            else -> {
+                // Handle other types if necessary
+            }
+        }
+    }
+
+    private suspend fun handleAdd(
+        data: SongRequest,
+        user: User,
+        dispatcher: CoroutinesEventBus,
+        handler: SessionHandler,
+        logger: Logger
+    ) {
+        val url = data.url ?: return
+        val youtubeVideo = getYoutubeVideo(url) ?: run {
+            logger.warn("Failed to fetch YouTube video for URL: $url")
+            return
+        }
+
+        songMutex.withLock {
+            SongListService.saveSong(
+                user,
+                user.token,
+                url,
+                youtubeVideo.name,
+                youtubeVideo.author,
+                youtubeVideo.length,
+                user.username
+            )
+        }
+
+        dispatcher.post(
+            SongEvent(
+                uid = user.token,
+                type = SongType.ADD,
+                reqUid = user.token,
+                current = CurrentSong.getSong(user),
+                next = youtubeVideo
+            )
+        )
+    }
+
+    private suspend fun handleRemove(
+        data: SongRequest,
+        user: User,
+        dispatcher: CoroutinesEventBus,
+        logger: Logger
+    ) {
+        val url = data.url ?: return
+
+        songMutex.withLock {
+            val songs = SongListService.getSong(user)
+            val exactSong = songs.firstOrNull { it.url == url }
+            if (exactSong != null) {
+                SongListService.deleteSong(user, exactSong.uid, exactSong.name)
+            }
+        }
+
+        dispatcher.post(
+            SongEvent(
+                uid = user.token,
+                type = SongType.REMOVE,
+                delUrl = url,
+                reqUid = null,
+                current = null,
+                next = null,
+            )
+        )
+    }
+
+    private suspend fun handleNext(
+        user: User,
+        dispatcher: CoroutinesEventBus,
+        logger: Logger
+    ) {
+        var song: SongList? = null
+        var youtubeVideo: YoutubeVideo? = null
+
+        songMutex.withLock {
+            val songList = SongListService.getSong(user)
+            if (songList.isNotEmpty()) {
+                song = songList[0]
+                SongListService.deleteSong(user, song.uid, song.name)
+            }
+        }
+
+        song?.let {
+            youtubeVideo = YoutubeVideo(
+                it.url,
+                it.name,
+                it.author,
+                it.time
+            )
+        }
+
+        dispatcher.post(
+            SongEvent(
+                uid = user.token,
+                type = SongType.NEXT,
+                current = null,
+                next = youtubeVideo,
+                reqUid = null,
+                delUrl = null
+            )
+        )
+
+        CurrentSong.setSong(user, youtubeVideo)
+    }
+}
+
+@Serializable
+data class SongRequest(
+    val type: Int,
+    val uid: String,
+    val url: String? = null,
+    val maxQueue: Int? = null,
+    val maxUserLimit: Int? = null,
+    val isStreamerOnly: Boolean? = null,
+    val remove: Int? = null,
+    val isDisabled: Boolean? = null
+)

webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/routes/WSSongRoutes.kt

@@ -0,0 +1,213 @@
+package space.mori.chzzk_bot.webserver.routes
+
+import io.ktor.server.application.ApplicationStopped
+import io.ktor.server.routing.*
+import io.ktor.server.websocket.*
+import io.ktor.websocket.*
+import kotlinx.coroutines.CompletableDeferred
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.cancel
+import kotlinx.coroutines.channels.ClosedReceiveChannelException
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withTimeoutOrNull
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.Json
+import org.koin.java.KoinJavaComponent.inject
+import org.slf4j.LoggerFactory
+import space.mori.chzzk_bot.common.events.*
+import space.mori.chzzk_bot.common.services.UserService
+import space.mori.chzzk_bot.common.utils.YoutubeVideo
+import java.util.concurrent.ConcurrentHashMap
+import java.util.concurrent.ConcurrentLinkedQueue
+
+val songScope = CoroutineScope(SupervisorJob() + Dispatchers.Default)
+fun Routing.wsSongRoutes() {
+    environment.monitor.subscribe(ApplicationStopped) {
+        songScope.cancel()
+    }
+    val sessions = ConcurrentHashMap<String, ConcurrentLinkedQueue<WebSocketServerSession>>()
+    val status = ConcurrentHashMap<String, SongType>()
+    val logger = LoggerFactory.getLogger("WSSongRoutes")
+    val dispatcher: CoroutinesEventBus by inject(CoroutinesEventBus::class.java)
+    val ackMap = ConcurrentHashMap<String, ConcurrentHashMap<WebSocketServerSession, CompletableDeferred<Boolean>>>()
+
+    fun addSession(uid: String, session: WebSocketServerSession) {
+        sessions.computeIfAbsent(uid) { ConcurrentLinkedQueue() }.add(session)
+    }
+
+    fun removeSession(uid: String, session: WebSocketServerSession) {
+        sessions[uid]?.remove(session)
+        if (sessions[uid]?.isEmpty() == true) {
+            sessions.remove(uid)
+        }
+    }
+
+    suspend fun sendWithRetry(
+        session: WebSocketServerSession,
+        message: SongResponse,
+        maxRetries: Int = 3,
+        delayMillis: Long = 2000L
+    ): Boolean {
+        var attempt = 0
+        while (attempt < maxRetries) {
+            try {
+                session.sendSerialized(message)
+                val ackDeferred = CompletableDeferred<Boolean>()
+                ackMap.computeIfAbsent(message.uid) { ConcurrentHashMap() }[session] = ackDeferred
+                val ackReceived = withTimeoutOrNull(delayMillis) { ackDeferred.await() } ?: false
+                if (ackReceived) {
+                    ackMap[message.uid]?.remove(session)
+                    return true
+                } else {
+                    attempt++
+                    logger.warn("ACK not received for message to ${message.uid} on attempt $attempt.")
+                }
+            } catch (e: Exception) {
+                attempt++
+                logger.info("Failed to send message on attempt $attempt. Retrying in $delayMillis ms.")
+                e.printStackTrace()
+                delay(delayMillis)
+            }
+        }
+        return false
+    }
+
+    fun broadcastMessage(userId: String, message: SongResponse) {
+        val userSessions = sessions[userId]
+        userSessions?.forEach { session ->
+            songScope.launch {
+                val success = sendWithRetry(session, message)
+                if (!success) {
+                    logger.info("Removing session for user $userId due to repeated failures.")
+                    removeSession(userId, session)
+                }
+            }
+        }
+    }
+
+    webSocket("/song/{uid}") {
+        logger.info("WebSocket connection attempt received")
+        val uid = call.parameters["uid"]
+        val user = uid?.let { UserService.getUser(it) }
+        if (uid == null || user == null) {
+            logger.warn("Invalid UID: $uid")
+            close(CloseReason(CloseReason.Codes.CANNOT_ACCEPT, "Invalid UID"))
+            return@webSocket
+        }
+        try {
+            addSession(uid, this)
+            logger.info("WebSocket connection established for user: $uid")
+
+            // Start heartbeat
+            val heartbeatJob = songScope.launch {
+                while (true) {
+                    try {
+                        send(Frame.Ping(ByteArray(0)))
+                        delay(30000) // 30 seconds
+                    } catch (e: Exception) {
+                        logger.error("Heartbeat failed for user $uid", e)
+                        break
+                    }
+                }
+            }
+
+            if (status[uid] == SongType.STREAM_OFF) {
+                songScope.launch {
+                    sendSerialized(
+                        SongResponse(
+                            SongType.STREAM_OFF.value,
+                            uid,
+                            null,
+                            null,
+                            null,
+                        )
+                    )
+                }
+            }
+            try {
+                for (frame in incoming) {
+                    when (frame) {
+                        is Frame.Text -> {
+                            val text = frame.readText().trim()
+                            if (text == "ping") {
+                                send("pong")
+                            } else {
+                                val data = Json.decodeFromString<SongRequest>(text)
+                                if (data.type == SongType.ACK.value) {
+                                    ackMap[data.uid]?.get(this)?.complete(true)
+                                    ackMap[data.uid]?.remove(this)
+                                }
+                            }
+                        }
+
+                        is Frame.Ping -> send(Frame.Pong(frame.data))
+                        else -> {}
+                    }
+                }
+            } catch (e: ClosedReceiveChannelException) {
+                logger.error("WebSocket connection closed for user $uid: ${e.message}")
+            } catch (e: Exception) {
+                logger.error("Unexpected error in WebSocket for user $uid", e)
+            } finally {
+                logger.info("Cleaning up WebSocket connection for user $uid")
+                removeSession(uid, this)
+                ackMap[uid]?.remove(this)
+                heartbeatJob.cancel()
+            }
+        } catch(e: Exception) {
+            logger.error("Unexpected error in WebSocket for user $uid", e)
+        }
+    }
+
+    dispatcher.subscribe(SongEvent::class) {
+        logger.debug("SongEvent: {} / {} {}", it.uid, it.type, it.current?.name)
+        songScope.launch {
+            broadcastMessage(
+                it.uid, SongResponse(
+                    it.type.value,
+                    it.uid,
+                    it.reqUid,
+                    it.current?.toSerializable(),
+                    it.next?.toSerializable(),
+                    it.delUrl
+                )
+            )
+        }
+    }
+    dispatcher.subscribe(TimerEvent::class) {
+        if (it.type == TimerType.STREAM_OFF) {
+            songScope.launch {
+                broadcastMessage(
+                    it.uid, SongResponse(
+                        it.type.value,
+                        it.uid,
+                        null,
+                        null,
+                        null,
+                    )
+                )
+            }
+        }
+    }
+}
+
+@Serializable
+data class SerializableYoutubeVideo(
+    val url: String,
+    val name: String,
+    val author: String,
+    val length: Int
+)
+fun YoutubeVideo.toSerializable() = SerializableYoutubeVideo(url, name, author, length)
+@Serializable
+data class SongResponse(
+    val type: Int,
+    val uid: String,
+    val reqUid: String?,
+    val current: SerializableYoutubeVideo? = null,
+    val next: SerializableYoutubeVideo? = null,
+    val delUrl: String? = null
+)

webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/routes/WSTimerRoutes.kt

@@ -0,0 +1,175 @@
+package space.mori.chzzk_bot.webserver.routes
+
+import io.ktor.server.application.ApplicationStopped
+import io.ktor.server.routing.*
+import io.ktor.server.websocket.*
+import io.ktor.websocket.*
+import kotlinx.coroutines.CompletableDeferred
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.cancel
+import kotlinx.coroutines.channels.ClosedReceiveChannelException
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withTimeoutOrNull
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.Json
+import org.koin.java.KoinJavaComponent.inject
+import org.slf4j.LoggerFactory
+import space.mori.chzzk_bot.common.events.*
+import space.mori.chzzk_bot.common.services.TimerConfigService
+import space.mori.chzzk_bot.common.services.UserService
+import space.mori.chzzk_bot.webserver.utils.CurrentTimer
+import java.util.concurrent.ConcurrentHashMap
+import java.util.concurrent.ConcurrentLinkedQueue
+
+val timerScope = CoroutineScope(SupervisorJob() + Dispatchers.Default)
+fun Routing.wsTimerRoutes() {
+    environment.monitor.subscribe(ApplicationStopped) {
+        timerScope.cancel()
+    }
+    val sessions = ConcurrentHashMap<String, ConcurrentLinkedQueue<WebSocketServerSession>>()
+    val logger = LoggerFactory.getLogger("WSTimerRoutes")
+    val dispatcher: CoroutinesEventBus by inject(CoroutinesEventBus::class.java)
+    val ackMap = ConcurrentHashMap<String, ConcurrentHashMap<WebSocketServerSession, CompletableDeferred<Boolean>>>()
+
+    fun addSession(uid: String, session: WebSocketServerSession) {
+        sessions.computeIfAbsent(uid) { ConcurrentLinkedQueue() }.add(session)
+    }
+    fun removeSession(uid: String, session: WebSocketServerSession) {
+        sessions[uid]?.remove(session)
+        if(sessions[uid]?.isEmpty() == true) {
+            sessions.remove(uid)
+        }
+    }
+
+    suspend fun sendWithRetry(
+        session: WebSocketServerSession,
+        message: TimerResponse,
+        maxRetries: Int = 3,
+        delayMillis: Long = 2000L
+    ): Boolean {
+        var attempt = 0
+        while (attempt < maxRetries) {
+            try {
+                session.sendSerialized(message)
+                val ackDeferred = CompletableDeferred<Boolean>()
+                ackMap.computeIfAbsent(message.uid) { ConcurrentHashMap() }[session] = ackDeferred
+                val ackReceived = withTimeoutOrNull(delayMillis) { ackDeferred.await() } ?: false
+                if (ackReceived) {
+                    ackMap[message.uid]?.remove(session)
+                    return true
+                } else {
+                    attempt++
+                    logger.warn("ACK not received for message to ${message.uid} on attempt $attempt.")
+                }
+            } catch (e: Exception) {
+                attempt++
+                logger.info("Failed to send message on attempt $attempt. Retrying in $delayMillis ms.")
+                e.printStackTrace()
+                delay(delayMillis)
+            }
+        }
+        return false
+    }
+
+    fun broadcastMessage(uid: String, message: TimerResponse) {
+        val userSessions = sessions[uid]
+        userSessions?.forEach { session ->
+            timerScope.launch {
+                val success = sendWithRetry(session, message.copy(uid = uid))
+                if (!success) {
+                    logger.info("Removing session for user $uid due to repeated failures.")
+                    removeSession(uid, session)
+                }
+            }
+        }
+    }
+
+    webSocket("/timer/{uid}") {
+        val uid = call.parameters["uid"]
+        val user = uid?.let { UserService.getUser(it) }
+        if (uid == null || user == null) {
+            close(CloseReason(CloseReason.Codes.CANNOT_ACCEPT, "Invalid UID"))
+            return@webSocket
+        }
+        addSession(uid, this)
+        val timer = CurrentTimer.getTimer(user)
+
+        if (timer?.type == TimerType.STREAM_OFF) {
+            timerScope.launch {
+                sendSerialized(TimerResponse(TimerType.STREAM_OFF.value, null, uid))
+            }
+        } else {
+            timerScope.launch {
+                if(timer?.type == TimerType.STREAM_OFF) {
+                    sendSerialized(TimerResponse(TimerType.STREAM_OFF.value, null, uid))
+                } else {
+                    if (timer == null) {
+                        sendSerialized(
+                            TimerResponse(
+                                TimerConfigService.getConfig(user)?.option ?: TimerType.REMOVE.value,
+                                null,
+                                uid
+                            )
+                        )
+                    } else {
+                        sendSerialized(
+                            TimerResponse(
+                                timer.type.value,
+                                timer.time,
+                                uid
+                            )
+                        )
+                    }
+                }
+            }
+        }
+        try {
+            for (frame in incoming) {
+                when(frame) {
+                    is Frame.Text -> {
+                        val text = frame.readText().trim()
+                        if(text == "ping") {
+                            send("pong")
+                        } else {
+                            val data = Json.decodeFromString<TimerRequest>(text)
+                            if (data.type == TimerType.ACK.value) {
+                                ackMap[data.uid]?.get(this)?.complete(true)
+                                ackMap[data.uid]?.remove(this)
+                            }
+                        }
+                    }
+                    is Frame.Ping -> send(Frame.Pong(frame.data))
+                    else -> {}
+                }
+            }
+        } catch(e: ClosedReceiveChannelException) {
+            logger.error("Error in WebSocket: ${e.message}")
+        } finally {
+            removeSession(uid, this)
+            ackMap[uid]?.remove(this)
+        }
+    }
+
+    dispatcher.subscribe(TimerEvent::class) {
+        logger.debug("TimerEvent: {} / {}", it.uid, it.type)
+        val user = UserService.getUser(it.uid)
+        CurrentTimer.setTimer(user!!, it)
+        timerScope.launch {
+            broadcastMessage(it.uid, TimerResponse(it.type.value, it.time ?: "", it.uid))
+        }
+    }
+}
+@Serializable
+data class TimerResponse(
+    val type: Int,
+    val time: String?,
+    val uid: String
+)
+@Serializable
+data class TimerRequest(
+    val type: Int,
+    val uid: String
+)

webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/utils/CurrentSong.kt

@@ -0,0 +1,19 @@
+package space.mori.chzzk_bot.webserver.utils
+
+import space.mori.chzzk_bot.common.models.User
+import space.mori.chzzk_bot.common.utils.YoutubeVideo
+import java.util.concurrent.ConcurrentHashMap
+
+object CurrentSong {
+    private val currentSong = ConcurrentHashMap<String, YoutubeVideo>()
+
+    fun setSong(user: User, song: YoutubeVideo?) {
+        if(song == null) {
+            currentSong.remove(user.token ?: "")
+        } else {
+            currentSong[user.token ?: ""] = song
+        }
+    }
+
+    fun getSong(user: User) = currentSong[user.token ?: ""]
+}

webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/utils/CurrentTimer.kt

@@ -0,0 +1,19 @@
+package space.mori.chzzk_bot.webserver.utils
+
+import space.mori.chzzk_bot.common.events.TimerEvent
+import space.mori.chzzk_bot.common.models.User
+import java.util.concurrent.ConcurrentHashMap
+
+object CurrentTimer {
+    private val currentTimer = ConcurrentHashMap<String, TimerEvent>()
+
+    fun setTimer(user: User, timer: TimerEvent?) {
+        if(timer == null) {
+            currentTimer.remove(user.token ?: "")
+        } else {
+            currentTimer[user.token ?: ""] = timer
+        }
+    }
+
+    fun getTimer(user: User) = currentTimer[user.token ?: ""]
+}

webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/utils/DiscordGuildCache.kt

@@ -0,0 +1,188 @@
+package space.mori.chzzk_bot.webserver.utils
+
+import applicationHttpClient
+import io.ktor.client.call.*
+import io.ktor.client.request.*
+import io.ktor.client.statement.*
+import io.ktor.http.*
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+import kotlinx.serialization.Serializable
+import org.slf4j.LoggerFactory
+import space.mori.chzzk_bot.webserver.*
+import java.time.Instant
+import java.util.concurrent.ConcurrentHashMap
+
+object DiscordGuildCache {
+    private val cache = ConcurrentHashMap<String, CachedGuilds>()
+    private const val EXP_SECONDS = 600L
+    private val mutex = Mutex()
+    private val logger = LoggerFactory.getLogger(this::class.java)
+
+    suspend fun getCachedGuilds(guildId: String): Guild? {
+        val now = Instant.now()
+        var guild = cache[guildId]
+
+        if(guild == null || guild.timestamp.plusSeconds(EXP_SECONDS).isBefore(now) || !guild.isBotAvailable) {
+            mutex.withLock {
+                if(guild == null || guild!!.timestamp.plusSeconds(EXP_SECONDS).isBefore(now) || !guild!!.isBotAvailable) {
+                    fetchAllGuilds()
+                    guild = cache[guildId]
+                }
+            }
+        }
+
+        try {
+            if(guild == null) return null
+            if (guild!!.guild.roles.isEmpty()) {
+                val roles = fetchGuildRoles(guildId)
+                guild!!.guild.roles.addAll(roles)
+            }
+            if (guild!!.guild.channel.isEmpty()) {
+                val channels = fetchGuildChannels(guildId)
+                guild!!.guild.channel.addAll(channels)
+            }
+        } catch(e: Exception) {
+            logger.info("guild fetch is failed. ${e.stackTraceToString()}")
+            return null
+        }
+        return cache[guildId]?.guild
+    }
+
+    suspend fun getCachedGuilds(guildId: List<String>): List<Guild> {
+        return guildId.mapNotNull { getCachedGuilds(it) }
+    }
+
+    private suspend fun fetchGuilds(beforeGuildId: String? = null): List<DiscordGuildListAPI> {
+        if(DiscordRatelimits.isLimited()) {
+            delay(DiscordRatelimits.getRateReset())
+        }
+        val result = applicationHttpClient.get("https://discord.com/api/users/@me/guilds") {
+            headers {
+                append(HttpHeaders.Authorization, "Bot ${dotenv["DISCORD_TOKEN"]}")
+            }
+            parameter("limit", 200)
+            if (beforeGuildId != null) {
+                parameter("before", beforeGuildId)
+            }
+        }
+
+        val rateLimit = result.headers["X-RateLimit-Limit"]?.toIntOrNull()
+        val remaining = result.headers["X-RateLimit-Remaining"]?.toIntOrNull()
+        val resetAfter = result.headers["X-RateLimit-Reset-After"]?.toDoubleOrNull()?.toLong()?.plus(1L)
+
+        DiscordRatelimits.setRateLimit(rateLimit, remaining, resetAfter)
+
+        return result.body<List<DiscordGuildListAPI>>()
+    }
+
+    private suspend fun fetchGuildRoles(guildId: String): MutableList<GuildRole> {
+        if(DiscordRatelimits.isLimited()) {
+            delay(DiscordRatelimits.getRateReset())
+        }
+        try {
+            val result = applicationHttpClient.get("https://discord.com/api/guilds/${guildId}/roles") {
+                headers {
+                    append(HttpHeaders.Authorization, "Bot ${dotenv["DISCORD_TOKEN"]}")
+                }
+            }
+
+            val rateLimit = result.headers["X-RateLimit-Limit"]?.toIntOrNull()
+            val remaining = result.headers["X-RateLimit-Remaining"]?.toIntOrNull()
+            val resetAfter = result.headers["X-RateLimit-Reset-After"]?.toDoubleOrNull()?.toLong()?.plus(1L)
+
+            DiscordRatelimits.setRateLimit(rateLimit, remaining, resetAfter)
+
+            if (result.status != HttpStatusCode.OK) {
+                logger.error("Failed to fetch data from Discord API. Status: ${result.status} ${result.bodyAsText()}")
+                return mutableListOf()
+            }
+
+            val parsed = result.body<MutableList<GuildRole>>()
+
+            return parsed
+        } catch(e: Exception) {
+            logger.info("fetchGuildRoles error: ${e.stackTraceToString()}")
+            return mutableListOf()
+        }
+    }
+
+    private suspend fun fetchGuildChannels(guildId: String): MutableList<GuildChannel> {
+        if(DiscordRatelimits.isLimited()) {
+            delay(DiscordRatelimits.getRateReset())
+        }
+        try {
+            val result = applicationHttpClient.get("https://discord.com/api/guilds/${guildId}/channels") {
+                headers {
+                    append(HttpHeaders.Authorization, "Bot ${dotenv["DISCORD_TOKEN"]}")
+                }
+            }
+
+            val rateLimit = result.headers["X-RateLimit-Limit"]?.toIntOrNull()
+            val remaining = result.headers["X-RateLimit-Remaining"]?.toIntOrNull()
+            val resetAfter = result.headers["X-RateLimit-Reset-After"]?.toDoubleOrNull()?.toLong()?.plus(1L)
+
+            DiscordRatelimits.setRateLimit(rateLimit, remaining, resetAfter)
+
+            if (result.status != HttpStatusCode.OK) {
+                logger.error("Failed to fetch data from Discord API. Status: ${result.status} ${result.bodyAsText()}")
+                return mutableListOf()
+            }
+
+            val parsed = result.body<List<GuildChannel>>().filter { it.type == ChannelType.GUILD_TEXT.value }.toMutableList()
+
+            return parsed
+        } catch(e: Exception) {
+            logger.info("fetchGuildRoles error: ${e.stackTraceToString()}")
+            return mutableListOf()
+        }
+    }
+
+    private suspend fun fetchAllGuilds() {
+        var lastGuildId: String? = null
+        while (true) {
+            try {
+                val guilds = fetchGuilds(lastGuildId)
+                if (guilds.isEmpty()) {
+                    break
+                }
+
+                guilds.forEach {
+                    cache[it.id] = CachedGuilds(
+                        Guild(it.id, it.name, it.icon, it.banner, it.roles?.toMutableList() ?: mutableListOf(), mutableListOf()),
+                        Instant.now().plusSeconds(EXP_SECONDS),
+                        true
+                    )
+                }
+                lastGuildId = guilds.last().id
+                if(guilds.size <= 200) break
+            } catch(e: Exception) {
+                logger.info("Exception in discord caches. ${e.stackTraceToString()}")
+                return
+            }
+        }
+    }
+
+    fun addGuild(guilds: Map<String, Guild>) {
+        cache.putAll(guilds.map {
+            it.key to CachedGuilds(it.value, Instant.now().plusSeconds(EXP_SECONDS))
+        })
+    }
+}
+
+data class CachedGuilds(
+    val guild: Guild,
+    val timestamp: Instant = Instant.now(),
+    val isBotAvailable: Boolean = false,
+)
+
+@Serializable
+data class Guild(
+    val id: String,
+    val name: String,
+    val icon: String?,
+    val banner: String?,
+    var roles: MutableList<GuildRole>,
+    var channel: MutableList<GuildChannel>
+)

webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/utils/DiscordRatelimits.kt

@@ -0,0 +1,36 @@
+package space.mori.chzzk_bot.webserver.utils
+
+import java.time.Duration
+import java.time.Instant
+
+object DiscordRatelimits {
+    private var rateLimit = RateLimit(0, 5, Instant.now())
+
+    fun isLimited(): Boolean {
+        return rateLimit.remainin == 0
+    }
+
+    fun getRateReset(): Long {
+        val now = Instant.now()
+        val resetInstant = rateLimit.resetAfter
+        return if (resetInstant.isAfter(now)) {
+            Duration.between(now, resetInstant).toMillis()
+        } else {
+            0L // 이미 Rate Limit이 해제된 경우, 대기 시간은 0
+        }
+    }
+
+    private fun setRateLimit(rateLimit: RateLimit) {
+        this.rateLimit = rateLimit
+    }
+
+    fun setRateLimit(limit: Int?, remaining: Int?, resetAfter: Long?) {
+        return setRateLimit(RateLimit(limit ?: 0, remaining ?: 0, Instant.now().plusSeconds(resetAfter ?: 0L)))
+    }
+}
+
+data class RateLimit(
+    val limit: Int,
+    val remainin: Int,
+    val resetAfter: Instant,
+)

webserver/src/main/resources/openapi/documentation.yaml

@@ -0,0 +1,182 @@
+openapi: "3.1.0"
+info:
+  title: "chzzk_bot API"
+  description: "chzzk_bot API"
+  version: "1.0.0"
+servers:
+- url: "http://localhost:8080"
+paths:
+  /:
+    get:
+      description: ""
+      responses:
+        "200":
+          description: "OK"
+          content:
+            text/plain:
+              schema:
+                type: "string"
+              examples:
+                Example#1:
+                  value: "Hello World!"
+  /health:
+    get:
+      description: ""
+      responses:
+        "200":
+          description: "OK"
+          content:
+            text/plain:
+              schema:
+                type: "string"
+              examples:
+                Example#1:
+                  value: "OK"
+  /song/{uid}:
+    get:
+      description: ""
+      parameters:
+      - name: "uid"
+        in: "path"
+        required: true
+        schema:
+          type: "string"
+      - name: "Connection"
+        in: "header"
+        required: true
+        description: "Websocket Connection parameter"
+        schema:
+          type: "string"
+      - name: "Upgrade"
+        in: "header"
+        required: true
+        description: "Websocket Upgrade parameter"
+        schema:
+          type: "string"
+      - name: "Sec-WebSocket-Key"
+        in: "header"
+        required: true
+        description: "Websocket Sec-WebSocket-Key parameter"
+        schema:
+          type: "string"
+      responses:
+        "101":
+          description: "Switching Protocols"
+          headers:
+            Connection:
+              required: true
+              schema:
+                type: "string"
+            Upgrade:
+              required: true
+              schema:
+                type: "string"
+            Sec-WebSocket-Accept:
+              required: true
+              schema:
+                type: "string"
+  /songs:
+    get:
+      description: ""
+      responses:
+        "400":
+          description: "Bad Request"
+          content:
+            text/plain:
+              schema:
+                type: "string"
+              examples:
+                Example#1:
+                  value: "Require UID"
+  /songs/{uid}:
+    get:
+      description: ""
+      parameters:
+      - name: "uid"
+        in: "path"
+        required: true
+        schema:
+          type: "string"
+      responses:
+        "404":
+          description: "Not Found"
+          content:
+            text/plain:
+              schema:
+                type: "string"
+              examples:
+                Example#1:
+                  value: "No user found"
+        "200":
+          description: "OK"
+          content:
+            '*/*':
+              schema:
+                type: "array"
+                items:
+                  $ref: "#/components/schemas/SongList"
+  /timer/{uid}:
+    get:
+      description: ""
+      parameters:
+      - name: "uid"
+        in: "path"
+        required: true
+        schema:
+          type: "string"
+      - name: "Connection"
+        in: "header"
+        required: true
+        description: "Websocket Connection parameter"
+        schema:
+          type: "string"
+      - name: "Upgrade"
+        in: "header"
+        required: true
+        description: "Websocket Upgrade parameter"
+        schema:
+          type: "string"
+      - name: "Sec-WebSocket-Key"
+        in: "header"
+        required: true
+        description: "Websocket Sec-WebSocket-Key parameter"
+        schema:
+          type: "string"
+      responses:
+        "101":
+          description: "Switching Protocols"
+          headers:
+            Connection:
+              required: true
+              schema:
+                type: "string"
+            Upgrade:
+              required: true
+              schema:
+                type: "string"
+            Sec-WebSocket-Accept:
+              required: true
+              schema:
+                type: "string"
+components:
+  schemas:
+    Object:
+      type: "object"
+      properties: {}
+    ResultRow:
+      type: "object"
+      properties:
+        fieldIndex:
+          type: "object"
+      required:
+      - "fieldIndex"
+    SongList:
+      type: "object"
+      properties:
+        writeValues:
+          $ref: "#/components/schemas/Object"
+        _readValues:
+          $ref: "#/components/schemas/ResultRow"
+      required:
+      - "id"
+      - "writeValues"