add Chisu playlist functions

- add Playlist, Playlist settings configs.
- add "!노래추가" command

common/build.gradle.kts

@@ -31,6 +31,9 @@ dependencies {
     // https://mvnrepository.com/artifact/io.github.cdimascio/dotenv-kotlin
     implementation("io.github.cdimascio:dotenv-kotlin:6.4.1")
 
+    // https://mvnrepository.com/artifact/com.squareup.okhttp3/okhttp
+    implementation("com.squareup.okhttp3:okhttp:4.12.0")
+
     testImplementation(kotlin("test"))
 }
 

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

@@ -0,0 +1,20 @@
+package space.mori.chzzk_bot.common.events
+
+enum class SongType(var value: Int) {
+    ADD(0),
+    REMOVE(1),
+    NEXT(2),
+
+    STREAM_OFF(50)
+}
+
+class SongEvent(
+    val uid: String,
+    val type: SongType,
+    val req_uid: String?,
+    val name: String?,
+    val author: String?,
+    val time: Int?,
+): Event {
+    var TAG = javaClass.simpleName
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/models/SongConfig.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 SongConfigs: IntIdTable("song_config") {
+    val user = reference("user", Users, onDelete = ReferenceOption.CASCADE)
+    val option = integer("option")
+}
+class SongConfig(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/SongList.kt

@@ -0,0 +1,30 @@
+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
+
+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 author = text("author")
+    val time = integer("time")
+    val created_at = datetime("created_at")
+}
+
+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
+}

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

@@ -0,0 +1,53 @@
+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) {
+        return transaction {
+            SongList.new {
+                this.user = user
+                this.uid = uid
+                this.url = url
+                this.name = name
+                this.author = author
+                this.time = time
+            }
+        }
+    }
+
+    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()
+        }
+    }
+
+    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
+        }
+    }
+}

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

@@ -0,0 +1,91 @@
+package space.mori.chzzk_bot.common.utils
+
+import com.google.gson.Gson
+import com.google.gson.JsonObject
+import io.github.cdimascio.dotenv.dotenv
+import okhttp3.HttpUrl
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import java.io.IOException
+
+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=)([^#&?]*).*".toRegex()
+val durationRegex = """PT(\d+H)?(\d+m)?(\d+S)?""".toRegex()
+
+val client = OkHttpClient()
+val gson = Gson()
+
+val dotenv = dotenv {
+    ignoreIfMissing = true
+}
+
+
+fun getYoutubeVideoId(url: String): String? {
+    val matchResult = regex.find(url)
+
+    return matchResult?.groups?.get(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(url: String): YoutubeVideo? {
+    val videoId = getYoutubeVideoId(url)
+
+    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")
+        .build()
+
+
+    val request = Request.Builder()
+        .url(api)
+        .build()
+
+    client.newCall(request).execute().use { response ->
+        if (!response.isSuccessful) throw IOException("Unexpected code $response")
+
+        val responseBody = response.body?.string()
+        val json = gson.fromJson(responseBody, JsonObject::class.java)
+        val items = json.getAsJsonArray("items")
+
+        if (items == null || items.size() == 0) return null
+
+        val item = items[0].asJsonObject
+        val snippet = item.getAsJsonObject("snippet")
+        val contentDetail = item.asJsonObject.getAsJsonObject("contentDetail")
+        val status = contentDetail.getAsJsonObject("status")
+
+        if (!status.get("embeddable").asBoolean) return null
+
+        val duration = contentDetail.get("duration").asString
+        val length = parseDuration(duration)
+
+        return YoutubeVideo(
+            "https://www.youtube.com/watch?v=$videoId",
+            snippet.get("title").asString,
+            snippet.get("channelTitle").asString,
+            length
+        )
+    }
+}