From 31cd9b285694fa9415239eea29da27f8cf63ab7c Mon Sep 17 00:00:00 2001
From: Kwoth <srki0509@gmail.com>
Date: Sat, 1 Oct 2016 19:35:11 +0200
Subject: [PATCH] Deleting playlist implemented, needs testing

---
 .gitignore                                    |  2 +-
 .../NadekoSqliteContextModelSnapshot.cs       |  2 ++
 src/NadekoBot/Modules/Music/Music.cs          | 35 +++++++++++++++----
 3 files changed, 32 insertions(+), 7 deletions(-)

diff --git a/.gitignore b/.gitignore
index a8e78718..df5ec176 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,7 +17,7 @@ Tests/bin
 src/NadekoBot/credentials.json
 src/NadekoBot/project.lock.json
 src/NadekoBot/data/NadekoBot.db
-src/NadekoBot/musicdata/*
+src/NadekoBot/musicdata
 src/NadekoBot/project.lock.json
 
 # NuGet Packages
diff --git a/src/NadekoBot/Migrations/NadekoSqliteContextModelSnapshot.cs b/src/NadekoBot/Migrations/NadekoSqliteContextModelSnapshot.cs
index 949720d0..de39d0e6 100644
--- a/src/NadekoBot/Migrations/NadekoSqliteContextModelSnapshot.cs
+++ b/src/NadekoBot/Migrations/NadekoSqliteContextModelSnapshot.cs
@@ -363,6 +363,8 @@ namespace NadekoBot.Migrations
 
                     b.Property<string>("Author");
 
+                    b.Property<ulong>("AuthorId");
+
                     b.Property<string>("Name");
 
                     b.HasKey("Id");
diff --git a/src/NadekoBot/Modules/Music/Music.cs b/src/NadekoBot/Modules/Music/Music.cs
index 21e8e26f..ec7e7373 100644
--- a/src/NadekoBot/Modules/Music/Music.cs
+++ b/src/NadekoBot/Modules/Music/Music.cs
@@ -547,6 +547,7 @@ namespace NadekoBot.Modules.Music
                 {
                     Name = name,
                     Author = umsg.Author.Username,
+                    AuthorId = umsg.Author.Id,
                     Songs = songs,
                 };
                 uow.MusicPlaylists.Add(playlist);
@@ -610,13 +611,35 @@ namespace NadekoBot.Modules.Music
         }
 
         //todo only author or owner
-        //[LocalizedCommand, LocalizedRemarks, LocalizedSummary, LocalizedAlias]
-        //[RequireContext(ContextType.Guild)]
-        //public async Task DeletePlaylist(IUserMessage umsg, [Remainder] string pl)
-        //{
-        //    var channel = (ITextChannel)umsg.Channel;
+        [LocalizedCommand, LocalizedRemarks, LocalizedSummary, LocalizedAlias]
+        [RequireContext(ContextType.Guild)]
+        public async Task DeletePlaylist(IUserMessage umsg, [Remainder] int id)
+        {
+            var channel = (ITextChannel)umsg.Channel;
 
-        //}
+            bool success = false;
+            MusicPlaylist pl = null;
+            using (var uow = DbHandler.UnitOfWork())
+            {
+                pl = uow.MusicPlaylists.Get(id);
+
+                if (pl != null)
+                {
+                    if (NadekoBot.Credentials.IsOwner(umsg.Author) || pl.AuthorId == umsg.Author.Id)
+                    {
+                        uow.MusicPlaylists.Remove(pl.Id);
+                        await uow.CompleteAsync().ConfigureAwait(false);
+                    }
+                    else
+                        success = false;
+                }
+            }
+
+            if (success)
+                await channel.SendMessageAsync("Failed to delete that playlist. It either doesn't exist, or you are not its author.").ConfigureAwait(false);
+            else
+                await channel.SendMessageAsync("`Playlist successfully deleted.`").ConfigureAwait(false);
+        }
 
         [LocalizedCommand, LocalizedRemarks, LocalizedSummary, LocalizedAlias]
         [RequireContext(ContextType.Guild)]