Adding move song command

vulkanbot/music/Music.py

@@ -205,6 +205,25 @@ class Music(commands.Cog):
 
         await self.__send_embed(ctx, description='Musicas embaralhadas', colour_name='blue')
 
+    @commands.command(name='move', help='Manda uma música de uma posição para outra <from> <to>')
+    async def move(self, ctx, pos1, pos2='1'): 
+        try:
+            pos1 = int(pos1)
+            pos2 = int(pos2)
+
+        except Exception as e:
+            print(e)
+            await ctx.send('This command require a number')
+            return
+
+        success, reason = self.__playlist.move_songs(pos1, pos2)
+
+        if not success: 
+            songs = self.__playlist.songs_to_preload
+            await self.__downloader.preload(songs)
+            await ctx.send(reason)
+        else:
+            await ctx.send(reason)
 
 def setup(bot):
     bot.add_cog(Music(bot))

vulkanbot/music/Playlist.py

@@ -139,3 +139,23 @@ class Playlist(IPlaylist):
             if song == song_destroy:
                 self.__queue.remove(song)
                 break
+
+    def move_songs(self, pos1, pos2) -> tuple:
+        """Receive two position and try to chance the songs in those positions
+        
+        Positions: First music is 1
+        Return (Error bool, string) with the status of the function, to show to user
+        """
+        if pos2 not in range(1, len(self.__queue)) or pos1 not in range(1, len(self.__queue)):
+            return (False, 'Numbers need to be more than 0 and less than the queue length')
+
+        try:
+            song1 = self.__queue[pos1-1]
+            song2 = self.__queue[pos2-1]
+
+            self.__queue[pos1-1] = song2
+            self.__queue[pos2-1] = song1
+            return (True, 'Songs moved with successfully')
+        except Exception as e:
+            print(e)
+            return (False, 'There was a problem with the moving of songs')