From 85ff050061a5cc4de6a56d08e7eddd479e716d47 Mon Sep 17 00:00:00 2001
From: Master Kwoth <srki0509@gmail.com>
Date: Thu, 30 Jun 2016 01:05:37 +0200
Subject: [PATCH] Soundcloud playlist support (!m scpl) - Better late than
 never. closes #123

---
 .../Modules/Music/Classes/MusicControls.cs    |  1 +
 NadekoBot/Modules/Music/Classes/Song.cs       |  8 ++++-
 NadekoBot/Modules/Music/Classes/SoundCloud.cs | 17 ++++++----
 NadekoBot/Modules/Music/MusicModule.cs        | 34 +++++++++++++++++--
 4 files changed, 51 insertions(+), 9 deletions(-)

diff --git a/NadekoBot/Modules/Music/Classes/MusicControls.cs b/NadekoBot/Modules/Music/Classes/MusicControls.cs
index 62eabc33..deb9bc2a 100644
--- a/NadekoBot/Modules/Music/Classes/MusicControls.cs
+++ b/NadekoBot/Modules/Music/Classes/MusicControls.cs
@@ -174,6 +174,7 @@ namespace NadekoBot.Modules.Music.Classes
                 throw new ArgumentNullException(nameof(s));
             lock (playlistLock)
             {
+                s.MusicPlayer = this;
                 playlist.Add(s);
             }
         }
diff --git a/NadekoBot/Modules/Music/Classes/Song.cs b/NadekoBot/Modules/Music/Classes/Song.cs
index 520ab3d8..f9c7f3ae 100644
--- a/NadekoBot/Modules/Music/Classes/Song.cs
+++ b/NadekoBot/Modules/Music/Classes/Song.cs
@@ -54,7 +54,7 @@ namespace NadekoBot.Modules.Music.Classes
             }
         }
 
-        private Song(SongInfo songInfo)
+        public Song(SongInfo songInfo)
         {
             this.SongInfo = songInfo;
         }
@@ -67,6 +67,12 @@ namespace NadekoBot.Modules.Music.Classes
             return s;
         }
 
+        public Song SetMusicPlayer(MusicPlayer mp)
+        {
+            this.MusicPlayer = mp;
+            return this;
+        }
+
         private Task BufferSong(CancellationToken cancelToken) =>
             Task.Factory.StartNew(async () =>
             {
diff --git a/NadekoBot/Modules/Music/Classes/SoundCloud.cs b/NadekoBot/Modules/Music/Classes/SoundCloud.cs
index 00216fbb..159d0d9e 100644
--- a/NadekoBot/Modules/Music/Classes/SoundCloud.cs
+++ b/NadekoBot/Modules/Music/Classes/SoundCloud.cs
@@ -1,4 +1,5 @@
 using NadekoBot.Classes;
+using Newtonsoft.Json;
 using System;
 using System.Threading.Tasks;
 
@@ -34,18 +35,22 @@ namespace NadekoBot.Modules.Music.Classes
 
     public class SoundCloudVideo
     {
-        public string Kind = "";
-        public long Id = 0;
-        public SoundCloudUser User = new SoundCloudUser();
-        public string Title = "";
+        public string Kind { get; set; } = "";
+        public long Id { get; set; } = 0;
+        public SoundCloudUser User { get; set; } = new SoundCloudUser();
+        public string Title { get; set; } = "";
+        [JsonIgnore]
         public string FullName => User.Name + " - " + Title;
-        public bool Streamable = false;
+        public bool Streamable { get; set; } = false;
+        [JsonProperty("permalink_url")]
+        public string TrackLink { get; set; } = "";
+        [JsonIgnore]
         public string StreamLink => $"https://api.soundcloud.com/tracks/{Id}/stream?client_id={NadekoBot.Creds.SoundCloudClientID}";
     }
     public class SoundCloudUser
     {
         [Newtonsoft.Json.JsonProperty("username")]
-        public string Name;
+        public string Name { get; set; }
     }
     /*
     {"kind":"track",
diff --git a/NadekoBot/Modules/Music/MusicModule.cs b/NadekoBot/Modules/Music/MusicModule.cs
index bf88a5a6..ef482532 100644
--- a/NadekoBot/Modules/Music/MusicModule.cs
+++ b/NadekoBot/Modules/Music/MusicModule.cs
@@ -6,6 +6,7 @@ using NadekoBot.DataModels;
 using NadekoBot.Extensions;
 using NadekoBot.Modules.Music.Classes;
 using NadekoBot.Modules.Permissions.Classes;
+using Newtonsoft.Json.Linq;
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
@@ -302,6 +303,37 @@ namespace NadekoBot.Modules.Music
                         await msg.Edit("🎵 `Playlist queue complete.`").ConfigureAwait(false);
                     });
 
+                cgb.CreateCommand("soundcloudpl")
+                    .Alias("scpl")
+                    .Description("Queue a soundcloud playlist using a link. | `!m scpl https://soundcloud.com/saratology/sets/symphony`")
+                    .Parameter("pl", ParameterType.Unparsed)
+                    .Do(async e =>
+                    {
+                        var pl = e.GetArg("pl")?.Trim();
+
+                        if (string.IsNullOrWhiteSpace(pl))
+                            return;
+
+                        var scvids = JObject.Parse(await SearchHelper.GetResponseStringAsync($"http://api.soundcloud.com/resolve?url={pl}&client_id={NadekoBot.Creds.SoundCloudClientID}"))["tracks"].ToObject<SoundCloudVideo[]>();
+                        await QueueSong(e.Channel, e.User.VoiceChannel, scvids[0].TrackLink);
+
+                        MusicPlayer mp;
+                        if (!MusicPlayers.TryGetValue(e.Server, out mp))
+                            return;
+
+                        foreach (var svideo in scvids.Skip(1))
+                        {
+                            mp.AddSong(new Song(new Classes.SongInfo
+                            {
+                                Title = svideo.FullName,
+                                Provider = "SoundCloud",
+                                Uri = svideo.StreamLink,
+                                ProviderType = MusicType.Normal,
+                                Query = svideo.TrackLink,
+                            }));
+                        }
+                    });
+
                 cgb.CreateCommand("localplaylst")
                     .Alias("lopl")
                     .Description("Queues all songs from a directory. **Bot Owner Only!**\n**Usage**: `!m lopl C:/music/classical`")
@@ -757,8 +789,6 @@ namespace NadekoBot.Modules.Music
                 return mp;
             });
             var resolvedSong = await Song.ResolveSong(query, musicType).ConfigureAwait(false);
-            resolvedSong.MusicPlayer = musicPlayer;
-
             musicPlayer.AddSong(resolvedSong);
             if (!silent)
             {