Merge pull request #5 from RafaelSolVargas/fixing-spotify-bug

Fixing Error #4

vulkanbot/music/Music.py

@@ -95,11 +95,27 @@ class Music(commands.Cog):
                 await self.__send_embed(ctx, description=f"Você adicionou {songs_quant} músicas à fila!", colour_name='blue')
 
             if not self.__playing:
-                first = self.__playlist.songs_to_preload[0]
-                self.__downloader.download_one(first)
-                first_song = self.__playlist.next_song()
+                try_another = True
+                
+                while try_another:
+                    first = self.__playlist.next_song()
+                    if first == None:
+                        await self.__send_embed(ctx, description='Houve um problema no download dessa música, tente novamente', colour_name='blue')
+                        break
+                    
+                    while True:
+                        if first.source != None: # If song got downloaded
+                            try_another = False
+                            break 
 
-                await self.__play_music(ctx, first_song)
+                        if first.problematic: # If song got any error, try another one
+                            break
+
+                        else: # The song is downloading, checking another time
+                            continue
+
+                if first != None:
+                    await self.__play_music(ctx, first)
 
     @commands.command(name="queue", help="Mostra as atuais músicas da fila.", aliases=['q', 'fila'])
     async def queue(self, ctx):

vulkanbot/music/Playlist.py

@@ -60,14 +60,11 @@ class Playlist(IPlaylist):
                 return None
 
             self.__current = self.__queue[0]  # Att the current with the first one
-            self.__queue.popleft()  # Remove the current from queue
-            if self.__current.source == None: # Try until find one source
-                continue
+            self.__queue.popleft()  # Remove the current from queue            
+            self.__name_history.append(self.__current.identifier)  # Add to name history
+            self.__songs_history.append(self.__current)  # Add to song history
             
-            else:
-                self.__name_history.append(self.__current.title)  # Add to name history
-                self.__songs_history.append(self.__current)  # Add to song history
-                return self.__current
+            return self.__current
 
     def prev_song(self):
         """Return the source of the last song played

vulkanbot/music/Song.py

@@ -11,6 +11,7 @@ class Song(ISong):
         """Create a song with only the URL to the youtube song"""
         self.__identifier = identifier
         self.__info = {}
+        self.__problematic = False
         self.__playlist: IPlaylist = playlist
 
     def finish_down(self, info: dict) -> None:
@@ -54,11 +55,15 @@ class Song(ISong):
     @property
     def identifier(self) -> str:
         return self.__identifier
+    
+    @property
+    def problematic(self) -> bool:
+        return self.__problematic
 
     def destroy(self) -> None:
-        """Destroy the song from the playlist due to any type of error"""
+        """Mark this song with problems and removed from the playlist due to any type of error"""
+        self.__problematic = True        
         self.__playlist.destroy_song(self)
-        del self
         
     def embed(self, title: str) -> Embed:
         """Configure the embed to show the song information"""