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Code Issues Releases Wiki Activity

Extract requerying of navigational properties from DbContext

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This commit is contained in:
Roman Kapustin 2021-03-14 19:34:53 +03:00
parent a60ff80c04
commit 0a1e325fc7
4 changed files with 47 additions and 36 deletions
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16
osu.Game/Beatmaps/BeatmapManager.cs
View File

@ -174,21 +174,7 @@ namespace osu.Game.Beatmaps
if (beatmapSet.Beatmaps.Any(b => b.BaseDifficulty == null))
throw new InvalidOperationException($"Cannot import {nameof(BeatmapInfo)} with null {nameof(BeatmapInfo.BaseDifficulty)}.");
var dbContext = ContextFactory.Get();
// Workaround System.InvalidOperationException
// The instance of entity type 'RulesetInfo' cannot be tracked because another instance with the same key value for {'ID'} is already being tracked.
foreach (var beatmap in beatmapSet.Beatmaps)
{
beatmap.Ruleset = dbContext.RulesetInfo.Find(beatmap.RulesetID);
}
// Workaround System.InvalidOperationException
// The instance of entity type 'FileInfo' cannot be tracked because another instance with the same key value for {'ID'} is already being tracked.
foreach (var file in beatmapSet.Files)
{
file.FileInfo = dbContext.FileInfo.Find(file.FileInfoID);
}
beatmapSet.Requery(ContextFactory);
// check if a set already exists with the same online id, delete if it does.
if (beatmapSet.OnlineBeatmapSetID != null)

44
osu.Game/Database/Extensions.cs Normal file
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@ -0,0 +1,44 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System.Collections.Generic;
using osu.Game.Beatmaps;
using osu.Game.Scoring;
namespace osu.Game.Database
{
public static class Extensions
{
public static void Requery(this BeatmapSetInfo beatmapSetInfo, IDatabaseContextFactory databaseContextFactory)
{
var dbContext = databaseContextFactory.Get();
foreach (var beatmap in beatmapSetInfo.Beatmaps)
{
// Workaround System.InvalidOperationException
// The instance of entity type 'RulesetInfo' cannot be tracked because another instance with the same key value for {'ID'} is already being tracked.
beatmap.Ruleset = dbContext.RulesetInfo.Find(beatmap.RulesetID);
}
beatmapSetInfo.Files.Requery(databaseContextFactory);
}
public static void Requery(this ScoreInfo scoreInfo, IDatabaseContextFactory databaseContextFactory)
{
scoreInfo.Files.Requery(databaseContextFactory);
scoreInfo.Beatmap.BeatmapSet.Files.Requery(databaseContextFactory);
}
public static void Requery<T>(this List<T> files, IDatabaseContextFactory databaseContextFactory) where T : class, INamedFileInfo
{
var dbContext = databaseContextFactory.Get();
foreach (var file in files)
{
// Workaround System.InvalidOperationException
// The instance of entity type 'FileInfo' cannot be tracked because another instance with the same key value for {'ID'} is already being tracked.
file.FileInfo = dbContext.FileInfo.Find(file.FileInfoID);
}
}
}
}

14
osu.Game/Scoring/ScoreManager.cs
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@ -54,19 +54,7 @@ namespace osu.Game.Scoring
protected override void PreImport(ScoreInfo model)
{
var dbContext = ContextFactory.Get();
// Workaround System.InvalidOperationException
// The instance of entity type 'FileInfo' cannot be tracked because another instance with the same key value for {'ID'} is already being tracked.
foreach (var file in model.Files)
{
file.FileInfo = dbContext.FileInfo.Find(file.FileInfoID);
}
foreach (var file in model.Beatmap.BeatmapSet.Files)
{
file.FileInfo = dbContext.FileInfo.Find(file.FileInfoID);
}
model.Requery(ContextFactory);
}
protected override ScoreInfo CreateModel(ArchiveReader archive)

9
osu.Game/Skinning/SkinManager.cs
View File

@ -144,14 +144,7 @@ namespace osu.Game.Skinning
protected override void PreImport(SkinInfo model)
{
var dbContext = ContextFactory.Get();
// Workaround System.InvalidOperationException
// The instance of entity type 'FileInfo' cannot be tracked because another instance with the same key value for {'ID'} is already being tracked.
foreach (var file in model.Files)
{
file.FileInfo = dbContext.FileInfo.Find(file.FileInfoID);
}
model.Files.Requery(ContextFactory);
}
/// <summary>