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Create backup of databases before opening contexts

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Attempt to avoid file IO issues.

Closes #16531.
This commit is contained in:
Dean Herbert 2022-01-21 00:01:34 +09:00
parent 1a20725162
commit 079b2dfc42
1 changed files with 9 additions and 21 deletions
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30
osu.Game/Database/EFToRealmMigrator.cs
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@ -26,8 +26,6 @@ namespace osu.Game.Database
private readonly OsuConfigManager config;
private readonly Storage storage;
private bool hasTakenBackup;
public EFToRealmMigrator(DatabaseContextFactory efContextFactory, RealmContextFactory realmContextFactory, OsuConfigManager config, Storage storage)
{
this.efContextFactory = efContextFactory;
@ -38,6 +36,8 @@ namespace osu.Game.Database
public void Run()
{
createBackup();
using (var ef = efContextFactory.Get())
{
migrateSettings(ef);
@ -77,8 +77,6 @@ namespace osu.Game.Database
{
Logger.Log($"Found {count} beatmaps in EF", LoggingTarget.Database);
ensureBackup();
// only migrate data if the realm database is empty.
// note that this cannot be written as: `realm.All<BeatmapSetInfo>().All(s => s.Protected)`, because realm does not support `.All()`.
if (realm.All<BeatmapSetInfo>().Any(s => !s.Protected))
@ -210,8 +208,6 @@ namespace osu.Game.Database
{
Logger.Log($"Found {count} scores in EF", LoggingTarget.Database);
ensureBackup();
// only migrate data if the realm database is empty.
if (realm.All<ScoreInfo>().Any())
{
@ -291,8 +287,6 @@ namespace osu.Game.Database
if (!existingSkins.Any())
return;
ensureBackup();
var userSkinChoice = config.GetBindable<string>(OsuSetting.Skin);
int.TryParse(userSkinChoice.Value, out int userSkinInt);
@ -363,7 +357,6 @@ namespace osu.Game.Database
return;
Logger.Log("Beginning settings migration to realm", LoggingTarget.Database);
ensureBackup();
using (var realm = realmContextFactory.CreateContext())
using (var transaction = realm.BeginWrite())
@ -400,21 +393,16 @@ namespace osu.Game.Database
private string? getRulesetShortNameFromLegacyID(long rulesetId) =>
efContextFactory.Get().RulesetInfo.FirstOrDefault(r => r.ID == rulesetId)?.ShortName;
private void ensureBackup()
private void createBackup()
{
if (!hasTakenBackup)
{
string migration = $"before_final_migration_{DateTimeOffset.UtcNow.ToUnixTimeSeconds()}";
string migration = $"before_final_migration_{DateTimeOffset.UtcNow.ToUnixTimeSeconds()}";
efContextFactory.CreateBackup($"client.{migration}.db");
realmContextFactory.CreateBackup($"client.{migration}.realm");
efContextFactory.CreateBackup($"client.{migration}.db");
realmContextFactory.CreateBackup($"client.{migration}.realm");
using (var source = storage.GetStream("collection.db"))
using (var destination = storage.GetStream($"collection.{migration}.db", FileAccess.Write, FileMode.CreateNew))
source.CopyTo(destination);
hasTakenBackup = true;
}
using (var source = storage.GetStream("collection.db"))
using (var destination = storage.GetStream($"collection.{migration}.db", FileAccess.Write, FileMode.CreateNew))
source.CopyTo(destination);
}
}
}