도커허브 업로드 자동화 구현

src/Audio/MusicPlayManager.cpp

@@ -81,6 +81,8 @@ std::list<MusicQueueElement> MusicPlayManager::getQueue(const dpp::snowflake gui
 
 MusicQueueElement MusicPlayManager::getNowPlaying(const dpp::snowflake guildId) {
     std::shared_ptr<MusicQueueElement> nowplaying = queueMap[guildId]->nowplaying();
+    if (nowplaying == nullptr)
+        return MusicQueueElement("", "", dpp::user(), dpp::embed());
     MusicQueueElement returnValue(*nowplaying);
     return returnValue;
 }

src/Queue/MusicQueue.cpp

@@ -36,7 +36,10 @@ std::list<std::shared_ptr<MusicQueueElement>>::iterator MusicQueue::findByIndex(
 }
 std::shared_ptr<MusicQueueElement> MusicQueue::nowplaying() {
     std::lock_guard<std::mutex> lock(queueMutex);
-    return *currentPlayingPosition;
+    if (currentPlayingPosition == queue.end())
+        return nullptr;
+    else
+        return *currentPlayingPosition;
 }
 std::list<std::shared_ptr<MusicQueueElement>>::iterator MusicQueue::next_music() {
     std::lock_guard<std::mutex> lock(queueMutex);