Added .songautodelete/.sad command.

src/NadekoBot/Modules/Music/Common/MusicPlayer.cs

@@ -91,6 +91,7 @@ namespace NadekoBot.Modules.Music.Common
                 _fairPlay = value;
             }
         }
+        public bool AutoDelete { get; set; }
         public uint MaxPlaytimeSeconds { get; set; }
 
 
@@ -256,10 +257,17 @@ namespace NadekoBot.Modules.Music.Common
 
                         int queueCount;
                         bool stopped;
+                        int currentIndex;
                         lock (locker)
                         {
                             queueCount = Queue.Count;
                             stopped = Stopped;
+                            currentIndex = Queue.CurrentIndex;
+                        }
+
+                        if (AutoDelete && !RepeatCurrentSong && !RepeatPlaylist && data.Song != null)
+                        {
+                            Queue.RemoveSong(data.Song);
                         }
 
                         if (!manualIndex && (!RepeatCurrentSong || manualSkip))
@@ -279,7 +287,8 @@ namespace NadekoBot.Modules.Music.Common
                                     {
                                         _log.Info("Loading related song");
                                         await _musicService.TryQueueRelatedSongAsync(data.Song, OutputTextChannel, VoiceChannel);
-                                        Queue.Next();
+                                        if(!AutoDelete)
+                                            Queue.Next();
                                     }
                                     catch
                                     {
@@ -327,8 +336,9 @@ namespace NadekoBot.Modules.Music.Common
                                     _log.Info("Next song");
                                     lock (locker)
                                     {
-                                        if(!Stopped)
+                                        if (!Stopped)
-                                            Queue.Next();
+                                            if(!AutoDelete)
+                                                Queue.Next();
                                     }
                                 }
                             }
@@ -423,6 +433,8 @@ namespace NadekoBot.Modules.Music.Common
             {
                 if (Exited)
                     return;
+                if (AutoDelete && index >= Queue.CurrentIndex && index > 0)
+                    index--;
                 Queue.CurrentIndex = index;
                 manualIndex = true;
                 Stopped = false;

src/NadekoBot/Modules/Music/Music.cs

@@ -578,6 +578,23 @@ namespace NadekoBot.Modules.Music
             }
         }
 
+        [NadekoCommand, Usage, Description, Aliases]
+        [RequireContext(ContextType.Guild)]
+        public async Task SongAutoDelete()
+        {
+            var mp = await _service.GetOrCreatePlayer(Context);
+            var val = mp.AutoDelete = !mp.AutoDelete;
+
+            if (val)
+            {
+                await ReplyConfirmLocalized("sad_enabled").ConfigureAwait(false);
+            }
+            else
+            {
+                await ReplyConfirmLocalized("sad_disabled").ConfigureAwait(false);
+            }
+        }
+
         [NadekoCommand, Usage, Description, Aliases]
         [RequireContext(ContextType.Guild)]
         public async Task SoundCloudQueue([Remainder] string query)

src/NadekoBot/Resources/CommandStrings.resx

@@ -2826,6 +2826,15 @@
   <data name="fairplay_usage" xml:space="preserve">
     <value>`{0}fp`</value>
   </data>
+  <data name="songautodelete_cmd" xml:space="preserve">
+    <value>songautodelete sad</value>
+  </data>
+  <data name="songautodelete_desc" xml:space="preserve">
+    <value>Toggles whether the song should be automatically removed from the music queue when it finishes playing.</value>
+  </data>
+  <data name="songautodelete_usage" xml:space="preserve">
+    <value>`{0}sad`</value>
+  </data>
   <data name="define_cmd" xml:space="preserve">
     <value>define def</value>
   </data>

src/NadekoBot/_strings/ResponseStrings.en-US.json

@@ -411,6 +411,8 @@
   "music_finished_song": "Finished song",
   "music_fp_disabled": "Fair play disabled.",
   "music_fp_enabled": "Fair play enabled.",
+  "music_sad_disabled": "Songs will be deleted from the music queue when they finish playing.",
+  "music_sad_enabled": "Songs will no longer be deleted from the music queue when they finish playing.",
   "music_from_position": "From position",
   "music_id": "Id",
   "music_invalid_input": "Invalid input.",