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42736c9995
This helps slightly with performance, allows better monitoring via realm studio, but most importantly greatly reduces filesize. fully compacted: 109M transaction size 100: 115M transaction size 1000: 123M transaction size 10000: 164M single transaction: 183M With a transaction size of 100 there is a performance reduction, so 1000 seems to be the best middle-ground.
411 lines
17 KiB
C#
411 lines
17 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.Linq;
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using Microsoft.EntityFrameworkCore;
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using osu.Framework.Logging;
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using osu.Game.Beatmaps;
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using osu.Game.Configuration;
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using osu.Game.Models;
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using osu.Game.Rulesets;
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using osu.Game.Scoring;
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using osu.Game.Skinning;
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using Realms;
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#nullable enable
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namespace osu.Game.Database
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{
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internal class EFToRealmMigrator
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{
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private readonly DatabaseContextFactory efContextFactory;
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private readonly RealmContextFactory realmContextFactory;
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private readonly OsuConfigManager config;
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private bool hasTakenBackup;
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public EFToRealmMigrator(DatabaseContextFactory efContextFactory, RealmContextFactory realmContextFactory, OsuConfigManager config)
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{
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this.efContextFactory = efContextFactory;
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this.realmContextFactory = realmContextFactory;
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this.config = config;
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}
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public void Run()
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{
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using (var ef = efContextFactory.Get())
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{
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migrateSettings(ef);
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migrateSkins(ef);
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migrateBeatmaps(ef);
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migrateScores(ef);
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}
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Logger.Log("Refreshing realm...", LoggingTarget.Database);
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realmContextFactory.Refresh();
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// Delete the database permanently.
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// Will cause future startups to not attempt migration.
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Logger.Log("Migration successful, deleting EF database", LoggingTarget.Database);
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efContextFactory.ResetDatabase();
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}
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private void migrateBeatmaps(OsuDbContext ef)
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{
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// can be removed 20220730.
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var existingBeatmapSets = ef.EFBeatmapSetInfo
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.Include(s => s.Beatmaps).ThenInclude(b => b.RulesetInfo)
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.Include(s => s.Beatmaps).ThenInclude(b => b.Metadata)
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.Include(s => s.Beatmaps).ThenInclude(b => b.BaseDifficulty)
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.Include(s => s.Files).ThenInclude(f => f.FileInfo)
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.Include(s => s.Metadata);
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Logger.Log("Beginning beatmaps migration to realm", LoggingTarget.Database);
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// previous entries in EF are removed post migration.
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if (!existingBeatmapSets.Any())
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{
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Logger.Log("No beatmaps found to migrate", LoggingTarget.Database);
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return;
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}
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int count = existingBeatmapSets.Count();
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using (var realm = realmContextFactory.CreateContext())
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{
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Logger.Log($"Found {count} beatmaps in EF", LoggingTarget.Database);
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if (!hasTakenBackup)
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{
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string migration = $"before_beatmap_migration_{DateTimeOffset.UtcNow.ToUnixTimeSeconds()}";
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efContextFactory.CreateBackup($"client.{migration}.db");
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realmContextFactory.CreateBackup($"client.{migration}.realm");
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hasTakenBackup = true;
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}
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// only migrate data if the realm database is empty.
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// note that this cannot be written as: `realm.All<BeatmapSetInfo>().All(s => s.Protected)`, because realm does not support `.All()`.
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if (realm.All<BeatmapSetInfo>().Any(s => !s.Protected))
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{
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Logger.Log("Skipping migration as realm already has beatmaps loaded", LoggingTarget.Database);
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}
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else
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{
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var transaction = realm.BeginWrite();
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int written = 0;
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try
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{
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foreach (var beatmapSet in existingBeatmapSets)
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{
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if (++written % 1000 == 0)
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{
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transaction.Commit();
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transaction = realm.BeginWrite();
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Logger.Log($"Migrated {written}/{count} beatmaps...", LoggingTarget.Database);
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}
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var realmBeatmapSet = new BeatmapSetInfo
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{
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OnlineID = beatmapSet.OnlineID ?? -1,
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DateAdded = beatmapSet.DateAdded,
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Status = beatmapSet.Status,
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DeletePending = beatmapSet.DeletePending,
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Hash = beatmapSet.Hash,
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Protected = beatmapSet.Protected,
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};
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migrateFiles(beatmapSet, realm, realmBeatmapSet);
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foreach (var beatmap in beatmapSet.Beatmaps)
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{
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var realmBeatmap = new BeatmapInfo
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{
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DifficultyName = beatmap.DifficultyName,
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Status = beatmap.Status,
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OnlineID = beatmap.OnlineID ?? -1,
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Length = beatmap.Length,
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BPM = beatmap.BPM,
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Hash = beatmap.Hash,
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StarRating = beatmap.StarRating,
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MD5Hash = beatmap.MD5Hash,
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Hidden = beatmap.Hidden,
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AudioLeadIn = beatmap.AudioLeadIn,
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StackLeniency = beatmap.StackLeniency,
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SpecialStyle = beatmap.SpecialStyle,
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LetterboxInBreaks = beatmap.LetterboxInBreaks,
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WidescreenStoryboard = beatmap.WidescreenStoryboard,
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EpilepsyWarning = beatmap.EpilepsyWarning,
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SamplesMatchPlaybackRate = beatmap.SamplesMatchPlaybackRate,
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DistanceSpacing = beatmap.DistanceSpacing,
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BeatDivisor = beatmap.BeatDivisor,
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GridSize = beatmap.GridSize,
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TimelineZoom = beatmap.TimelineZoom,
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Countdown = beatmap.Countdown,
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CountdownOffset = beatmap.CountdownOffset,
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MaxCombo = beatmap.MaxCombo,
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Bookmarks = beatmap.Bookmarks,
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Ruleset = realm.Find<RulesetInfo>(beatmap.RulesetInfo.ShortName),
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Difficulty = new BeatmapDifficulty(beatmap.BaseDifficulty),
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Metadata = getBestMetadata(beatmap.Metadata, beatmapSet.Metadata),
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BeatmapSet = realmBeatmapSet,
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};
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realmBeatmapSet.Beatmaps.Add(realmBeatmap);
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}
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realm.Add(realmBeatmapSet);
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}
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}
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finally
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{
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transaction.Commit();
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}
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Logger.Log($"Successfully migrated {count} beatmaps to realm", LoggingTarget.Database);
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}
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}
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}
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private BeatmapMetadata getBestMetadata(EFBeatmapMetadata? beatmapMetadata, EFBeatmapMetadata? beatmapSetMetadata)
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{
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var metadata = beatmapMetadata ?? beatmapSetMetadata ?? new EFBeatmapMetadata();
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return new BeatmapMetadata
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{
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Title = metadata.Title,
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TitleUnicode = metadata.TitleUnicode,
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Artist = metadata.Artist,
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ArtistUnicode = metadata.ArtistUnicode,
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Author = new RealmUser
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{
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OnlineID = metadata.Author.Id,
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Username = metadata.Author.Username,
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},
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Source = metadata.Source,
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Tags = metadata.Tags,
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PreviewTime = metadata.PreviewTime,
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AudioFile = metadata.AudioFile,
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BackgroundFile = metadata.BackgroundFile,
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};
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}
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private void migrateScores(OsuDbContext db)
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{
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// can be removed 20220730.
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var existingScores = db.ScoreInfo
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.Include(s => s.Ruleset)
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.Include(s => s.BeatmapInfo)
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.Include(s => s.Files)
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.ThenInclude(f => f.FileInfo);
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Logger.Log("Beginning scores migration to realm", LoggingTarget.Database);
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// previous entries in EF are removed post migration.
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if (!existingScores.Any())
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{
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Logger.Log("No scores found to migrate", LoggingTarget.Database);
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return;
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}
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int count = existingScores.Count();
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using (var realm = realmContextFactory.CreateContext())
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{
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Logger.Log($"Found {count} scores in EF", LoggingTarget.Database);
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if (!hasTakenBackup)
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{
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string migration = $"before_score_migration_{DateTimeOffset.UtcNow.ToUnixTimeSeconds()}";
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efContextFactory.CreateBackup($"client.{migration}.db");
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realmContextFactory.CreateBackup($"client.{migration}.realm");
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hasTakenBackup = true;
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}
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// only migrate data if the realm database is empty.
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if (realm.All<ScoreInfo>().Any())
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{
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Logger.Log("Skipping migration as realm already has scores loaded", LoggingTarget.Database);
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}
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else
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{
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var transaction = realm.BeginWrite();
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int written = 0;
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try
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{
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foreach (var score in existingScores)
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{
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if (++written % 1000 == 0)
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{
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transaction.Commit();
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transaction = realm.BeginWrite();
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Logger.Log($"Migrated {written}/{count} scores...", LoggingTarget.Database);
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}
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var realmScore = new ScoreInfo
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{
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Hash = score.Hash,
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DeletePending = score.DeletePending,
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OnlineID = score.OnlineID ?? -1,
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ModsJson = score.ModsJson,
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StatisticsJson = score.StatisticsJson,
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User = score.User,
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TotalScore = score.TotalScore,
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MaxCombo = score.MaxCombo,
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Accuracy = score.Accuracy,
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HasReplay = ((IScoreInfo)score).HasReplay,
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Date = score.Date,
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PP = score.PP,
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BeatmapInfo = realm.All<BeatmapInfo>().First(b => b.Hash == score.BeatmapInfo.Hash),
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Ruleset = realm.Find<RulesetInfo>(score.Ruleset.ShortName),
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Rank = score.Rank,
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HitEvents = score.HitEvents,
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Passed = score.Passed,
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Combo = score.Combo,
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Position = score.Position,
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Statistics = score.Statistics,
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Mods = score.Mods,
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APIMods = score.APIMods,
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};
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migrateFiles(score, realm, realmScore);
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realm.Add(realmScore);
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}
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}
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finally
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{
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transaction.Commit();
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}
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Logger.Log($"Successfully migrated {count} scores to realm", LoggingTarget.Database);
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}
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}
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}
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private void migrateSkins(OsuDbContext db)
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{
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// can be removed 20220530.
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var existingSkins = db.SkinInfo
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.Include(s => s.Files)
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.ThenInclude(f => f.FileInfo)
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.ToList();
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// previous entries in EF are removed post migration.
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if (!existingSkins.Any())
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return;
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var userSkinChoice = config.GetBindable<string>(OsuSetting.Skin);
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int.TryParse(userSkinChoice.Value, out int userSkinInt);
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switch (userSkinInt)
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{
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case EFSkinInfo.DEFAULT_SKIN:
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userSkinChoice.Value = SkinInfo.DEFAULT_SKIN.ToString();
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break;
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case EFSkinInfo.CLASSIC_SKIN:
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userSkinChoice.Value = SkinInfo.CLASSIC_SKIN.ToString();
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break;
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}
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using (var realm = realmContextFactory.CreateContext())
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using (var transaction = realm.BeginWrite())
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{
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// only migrate data if the realm database is empty.
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// note that this cannot be written as: `realm.All<SkinInfo>().All(s => s.Protected)`, because realm does not support `.All()`.
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if (!realm.All<SkinInfo>().Any(s => !s.Protected))
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{
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Logger.Log($"Migrating {existingSkins.Count} skins", LoggingTarget.Database);
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foreach (var skin in existingSkins)
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{
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var realmSkin = new SkinInfo
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{
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Name = skin.Name,
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Creator = skin.Creator,
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Hash = skin.Hash,
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Protected = false,
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InstantiationInfo = skin.InstantiationInfo,
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};
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migrateFiles(skin, realm, realmSkin);
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realm.Add(realmSkin);
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if (skin.ID == userSkinInt)
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userSkinChoice.Value = realmSkin.ID.ToString();
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}
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}
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transaction.Commit();
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}
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}
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private static void migrateFiles<T>(IHasFiles<T> fileSource, Realm realm, IHasRealmFiles realmObject) where T : INamedFileInfo
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{
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foreach (var file in fileSource.Files)
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{
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var realmFile = realm.Find<RealmFile>(file.FileInfo.Hash);
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if (realmFile == null)
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realm.Add(realmFile = new RealmFile { Hash = file.FileInfo.Hash });
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realmObject.Files.Add(new RealmNamedFileUsage(realmFile, file.Filename));
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}
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}
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private void migrateSettings(OsuDbContext db)
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{
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// migrate ruleset settings. can be removed 20220315.
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var existingSettings = db.DatabasedSetting.ToList();
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// previous entries in EF are removed post migration.
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if (!existingSettings.Any())
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return;
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Logger.Log("Beginning settings migration to realm", LoggingTarget.Database);
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using (var realm = realmContextFactory.CreateContext())
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using (var transaction = realm.BeginWrite())
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{
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// only migrate data if the realm database is empty.
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if (!realm.All<RealmRulesetSetting>().Any())
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{
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Logger.Log($"Migrating {existingSettings.Count} settings", LoggingTarget.Database);
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foreach (var dkb in existingSettings)
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{
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if (dkb.RulesetID == null)
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continue;
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string? shortName = getRulesetShortNameFromLegacyID(dkb.RulesetID.Value);
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if (string.IsNullOrEmpty(shortName))
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continue;
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realm.Add(new RealmRulesetSetting
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{
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Key = dkb.Key,
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Value = dkb.StringValue,
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RulesetName = shortName,
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Variant = dkb.Variant ?? 0,
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});
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}
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}
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transaction.Commit();
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}
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}
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private string? getRulesetShortNameFromLegacyID(long rulesetId) =>
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efContextFactory.Get().RulesetInfo.FirstOrDefault(r => r.ID == rulesetId)?.ShortName;
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}
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}
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