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Fix issues with deletion

Main fix is avoiding nullrefs being thrown when metadata isn't present on a beatmap (quite a common scenario).
This commit is contained in:
Dean Herbert 2017-10-20 11:14:45 +09:00
parent 22d39c6bf7
commit 93b2fc6dc5

View File

@ -66,6 +66,7 @@ namespace osu.Game.Beatmaps
if (beatmapSet.DeletePending) return false;
beatmapSet.DeletePending = true;
context.Update(beatmapSet);
context.SaveChanges();
BeatmapSetRemoved?.Invoke(beatmapSet);
@ -84,6 +85,7 @@ namespace osu.Game.Beatmaps
if (!beatmapSet.DeletePending) return false;
beatmapSet.DeletePending = false;
context.Update(beatmapSet);
context.SaveChanges();
BeatmapSetAdded?.Invoke(beatmapSet);
@ -137,7 +139,7 @@ namespace osu.Game.Beatmaps
// metadata is M-N so we can't rely on cascades
context.BeatmapMetadata.RemoveRange(purgeable.Select(s => s.Metadata));
context.BeatmapMetadata.RemoveRange(purgeable.SelectMany(s => s.Beatmaps.Select(b => b.Metadata)));
context.BeatmapMetadata.RemoveRange(purgeable.SelectMany(s => s.Beatmaps.Select(b => b.Metadata).Where(m => m != null)));
// todo: we can probably make cascades work here with a FK in BeatmapDifficulty. just make to make it work correctly.
context.BeatmapDifficulty.RemoveRange(purgeable.SelectMany(s => s.Beatmaps.Select(b => b.BaseDifficulty)));