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Add safe deletion support.
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parent
6c3bda18b6
commit
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@ -8,6 +8,7 @@ using System.IO;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Security.Cryptography;
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using osu.Framework.Logging;
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using osu.Framework.Platform;
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using osu.Game.Beatmaps;
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using osu.Game.Beatmaps.Formats;
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@ -39,16 +40,37 @@ namespace osu.Game.Database
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try
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{
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connection = prepareConnection();
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deletePending();
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}
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catch
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catch (Exception e)
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{
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Console.WriteLine(@"Failed to initialise the beatmap database! Trying again with a clean database...");
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Logger.Error(e, @"Failed to initialise the beatmap database! Trying again with a clean database...");
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storage.DeleteDatabase(@"beatmaps");
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connection = prepareConnection();
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}
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}
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}
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private void deletePending()
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{
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foreach (var b in Query<BeatmapSetInfo>().Where(b => b.DeletePending))
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{
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try
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{
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storage.Delete(b.Path);
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connection.Delete(b);
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}
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catch (Exception e)
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{
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Logger.Error(e, $@"Could not delete beatmap {b.ToString()}");
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}
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}
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//this is required because sqlite migrations don't work, initially inserting nulls into this field.
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//see https://github.com/praeclarum/sqlite-net/issues/326
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connection.Query<BeatmapSetInfo>("UPDATE BeatmapSetInfo SET DeletePending = 0 WHERE DeletePending IS NULL");
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}
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private SQLiteConnection prepareConnection()
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{
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var conn = storage.GetDatabase(@"beatmaps");
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@ -161,8 +183,9 @@ namespace osu.Game.Database
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public void Delete(BeatmapSetInfo beatmapSet)
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{
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storage.Delete(beatmapSet.Path);
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connection.Delete(beatmapSet);
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beatmapSet.DeletePending = true;
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Update(beatmapSet, false);
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BeatmapSetRemoved?.Invoke(beatmapSet);
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}
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@ -2,6 +2,7 @@
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System.Collections.Generic;
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using System.ComponentModel;
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using SQLite.Net.Attributes;
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using SQLiteNetExtensions.Attributes;
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@ -23,6 +24,8 @@ namespace osu.Game.Database
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[OneToMany(CascadeOperations = CascadeOperation.All)]
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public List<BeatmapInfo> Beatmaps { get; set; }
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public bool DeletePending { get; set; }
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public string Hash { get; set; }
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public string Path { get; set; }
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@ -377,7 +377,7 @@ namespace osu.Game.Screens.Select
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private void addBeatmapSets(Framework.Game game, CancellationToken token)
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{
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foreach (var beatmapSet in database.Query<BeatmapSetInfo>())
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foreach (var beatmapSet in database.Query<BeatmapSetInfo>().Where(b => !b.DeletePending))
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{
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if (token.IsCancellationRequested) return;
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addBeatmapSet(beatmapSet, game);
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