some fix

- add searchYoutube function.
- add try-catch blocks.

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

@@ -230,6 +230,7 @@ class MessageHandler(
             return
         }
 
+        try {
             val video = getYoutubeVideo(url)
             if (video == null) {
                 listener.sendChat("유튜브에서 찾을 수 없어요!")
@@ -251,7 +252,8 @@ class MessageHandler(
                 msg.profile?.nickname ?: ""
             )
             CoroutineScope(Dispatchers.Default).launch {
-            dispatcher.post(SongEvent(
+                dispatcher.post(
+                    SongEvent(
                         user.token,
                         SongType.ADD,
                         msg.userId,
@@ -260,10 +262,14 @@ class MessageHandler(
                         video.author,
                         video.length,
                         video.url
-            ))
+                    )
+                )
             }
 
             listener.sendChat("노래가 추가되었습니다.")
+        } catch(e: Exception) {
+            listener.sendChat("유튜브 영상 주소로 다시 신청해주세요!")
+        }
     }
 
     private fun songListCommand(msg: ChatMessage, user: User) {

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

@@ -3,6 +3,7 @@ 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
 
@@ -20,11 +21,38 @@ val dotenv = dotenv {
     ignoreIfMissing = true
 }
 
+fun searchYoutube(query: String): String? {
+    val url = HttpUrl.Builder()
+        .scheme("https")
+        .host("youtube-search-results.p.rapidapi.com")
+        .addQueryParameter("q", query)
+        .build()
+    val request = Request.Builder()
+        .url(url)
+        .addHeader("x-rapidapi-host", "youtube-search-results.p.rapidapi.com")
+        .addHeader("x-rapidapi-key", dotenv["RAPID_KEY"] ?: "")
+        .build()
 
-fun getYoutubeVideoId(url: String): String? {
+    OkHttpClient().newCall(request).execute().use { response ->
-    val matchResult = regex.find(url)
+        if (!response.isSuccessful) throw IOException("Unexpected code $response")
 
-    return matchResult?.groups?.get(1)?.value
+        val responseBody = response.body?.string()
+        val json = gson.fromJson(responseBody, JsonObject::class.java)
+        val items = json.getAsJsonArray("items")
+
+        if (items.size() == 0) return null
+
+        val firstItem = items[0].asJsonObject
+        val videoUrl = firstItem.get("url").asString
+
+        return videoUrl
+    }
+}
+
+fun getYoutubeVideoId(query: String): String? {
+    val matchResult = regex.find(query)
+
+    return matchResult?.groups?.get(1)?.value ?: searchYoutube(query)
 }
 
 fun parseDuration(duration: String): Int {
@@ -38,8 +66,8 @@ fun parseDuration(duration: String): Int {
     return hourInSec + minutesInSec + totalSeconds
 }
 
-fun getYoutubeVideo(url: String): YoutubeVideo? {
+fun getYoutubeVideo(query: String): YoutubeVideo? {
-    val videoId = getYoutubeVideoId(url)
+    val videoId = getYoutubeVideoId(query)
 
     val api = HttpUrl.Builder()
         .scheme("https")

inc.env

@@ -5,5 +5,6 @@ DB_USER=chzzk
 DB_PASS=chzzk
 RUN_AGENT=false
 YOUTUBE_API_KEY=
+RAPID_KEY=
 NID_AUT=
 NID_SES=

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

@@ -79,11 +79,21 @@ fun Routing.wsSongListRoutes() {
                         if(data.isStreamerOnly != null) SongConfigService.updateStreamerOnly(user, data.isStreamerOnly)
 
                         if(data.type == SongType.ADD.value && data.url != null) {
+                            try {
                                 val youtubeVideo = getYoutubeVideo(data.url)
-                            if(youtubeVideo != null) {
+                                if (youtubeVideo != null) {
                                     CoroutineScope(Dispatchers.Default).launch {
-                                    SongListService.saveSong(user, user.token, data.url, youtubeVideo.name, youtubeVideo.author, youtubeVideo.length, user.username)
+                                        SongListService.saveSong(
-                                    dispatcher.post(SongEvent(
+                                            user,
+                                            user.token,
+                                            data.url,
+                                            youtubeVideo.name,
+                                            youtubeVideo.author,
+                                            youtubeVideo.length,
+                                            user.username
+                                        )
+                                        dispatcher.post(
+                                            SongEvent(
                                                 user.token,
                                                 SongType.ADD,
                                                 user.token,
@@ -92,9 +102,13 @@ fun Routing.wsSongListRoutes() {
                                                 youtubeVideo.author,
                                                 youtubeVideo.length,
                                                 youtubeVideo.url
-                                    ))
+                                            )
+                                        )
                                     }
                                 }
+                            } catch(e: Exception) {
+                                logger.debug("SongType.ADD Error: {} / {}", session.token, e)
+                            }
                         }
                         else if(data.type == SongType.REMOVE.value && data.url != null) {
                             dispatcher.post(SongEvent(