[feature] timer debugs. (2x)

[feature] song list websocket service fixed.

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

@@ -1,7 +1,9 @@
 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
@@ -21,10 +23,11 @@ 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.ChzzkLiveStatus
+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>()
@@ -34,7 +37,7 @@ object ChzzkHandler {
     private val dispatcher: CoroutinesEventBus by inject(CoroutinesEventBus::class.java)
 
     fun addUser(chzzkChannel: ChzzkChannel, user: User) {
-        handlers.add(UserHandler(chzzkChannel, logger, user, streamStartTime = null))
+        handlers.add(UserHandler(chzzkChannel, logger, user, streamStartTime = LocalDateTime.now()))
     }
 
     fun enable() {
@@ -193,6 +196,7 @@ object ChzzkHandler {
     }
 }
 
+@OptIn(DelicateCoroutinesApi::class)
 class UserHandler(
     val channel: ChzzkChannel,
     val logger: Logger,
@@ -234,6 +238,26 @@ class 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()}")
@@ -256,7 +280,7 @@ class UserHandler(
     internal val isActive: Boolean
         get() = _isActive
 
-    internal fun isActive(value: Boolean, status: ChzzkLiveStatus) {
+    internal fun isActive(value: Boolean, status: ChzzkLiveDetail) {
         if(value) {
             CoroutineScope(Dispatchers.Default).launch {
                 logger.info("${user.username} is live.")
@@ -264,7 +288,7 @@ class UserHandler(
                 reloadUser(UserService.getUser(user.id.value)!!)
 
                 logger.info("ChzzkChat connecting... ${channel.channelName} - ${channel.channelId}")
-                listener.subscribeAsync(ChzzkSessionSubscriptionType.CHAT)
+                listener.subscribeAsync(ChzzkSessionSubscriptionType.CHAT).join()
 
                 streamStartTime = LocalDateTime.now()
 
@@ -325,7 +349,21 @@ class UserHandler(
         }
     }
 
+    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) {
-        client.sendChatToLoggedInChannel(msg)
+        GlobalScope.launch {
+            delay(100L)
+            client.sendChatToLoggedInChannel(msg.limitUtf8Length(100))
+        }
     }
 }

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

@@ -14,7 +14,7 @@ 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.ChzzkLiveStatus
+import xyz.r2turntrue.chzzk4j.types.channel.live.ChzzkLiveDetail
 import kotlin.getValue
 
 val dotenv = dotenv {
@@ -31,7 +31,7 @@ object Connector {
     private val dispatcher: CoroutinesEventBus by inject(CoroutinesEventBus::class.java)
 
     fun getChannel(channelId: String): ChzzkChannel? = client.fetchChannel(channelId)
-    fun getLive(channelId: String): ChzzkLiveStatus? = client.fetchLiveStatus(channelId)
+    fun getLive(channelId: String): ChzzkLiveDetail? = client.fetchLiveDetail(channelId)
 
     init {
         logger.info("chzzk logged: ${client.isLoggedIn}")

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

@@ -14,7 +14,8 @@ 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.ChzzkLiveStatus
+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
 
@@ -33,7 +34,7 @@ class Discord: ListenerAdapter() {
             return bot.getGuildById(guildId)?.getTextChannelById(channelId)
         }
 
-        fun sendDiscord(user: User, status: ChzzkLiveStatus) {
+        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("${user.liveAlertChannel} is not valid.")
@@ -45,7 +46,14 @@ class Discord: ListenerAdapter() {
                 embed.setAuthor(user.username, "https://chzzk.naver.com/live/${user.token}")
                 embed.addField("카테고리", status.liveCategoryValue, true)
                 embed.addField("태그", status.tags.joinToString(", ") { it.trim() }, true)
-                // embed.setImage(status.)
+                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()

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

@@ -37,6 +37,7 @@ fun Routing.wsSongRoutes() {
     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) {
@@ -88,22 +89,42 @@ fun Routing.wsSongRoutes() {
     }
 
     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(
+                    sendSerialized(
+                        SongResponse(
                             SongType.STREAM_OFF.value,
                             uid,
                             null,
                             null,
                             null,
-                ))
+                        )
+                    )
                 }
             }
             try {
@@ -121,45 +142,58 @@ fun Routing.wsSongRoutes() {
                                 }
                             }
                         }
+
                         is Frame.Ping -> send(Frame.Pong(frame.data))
                         else -> {}
                     }
                 }
             } catch (e: ClosedReceiveChannelException) {
-            logger.error("Error in WebSocket: ${e.message}")
+                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(
+            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(
+                broadcastMessage(
+                    it.uid, SongResponse(
                         it.type.value,
                         it.uid,
                         null,
                         null,
                         null,
-                ))
+                    )
+                )
             }
         }
     }
 }
+
 @Serializable
 data class SerializableYoutubeVideo(
     val url: String,