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Refactor realm migrations to be a touch more legible

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This commit is contained in:
Dean Herbert 2021-11-04 18:39:23 +09:00
parent 777b2cbcc4
commit 7acc4a4708
1 changed files with 57 additions and 48 deletions
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105
osu.Game/Database/RealmContextFactory.cs
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@ -152,73 +152,82 @@ namespace osu.Game.Database
private void onMigration(Migration migration, ulong lastSchemaVersion)
{
if (lastSchemaVersion < 9)
for (ulong i = lastSchemaVersion; i <= schema_version; i++)
applyMigrationsForVersion(migration, i);
}
private void applyMigrationsForVersion(Migration migration, ulong version)
{
switch (version)
{
// Pretty pointless to do this as beatmaps aren't really loaded via realm yet, but oh well.
string className = nameof(RealmBeatmapMetadata).Replace(@"Realm", string.Empty);
case 7:
convertOnlineIDs<RealmBeatmap>();
convertOnlineIDs<RealmBeatmapSet>();
convertOnlineIDs<RealmRuleset>();
var oldItems = migration.OldRealm.DynamicApi.All(className);
var newItems = migration.NewRealm.All<RealmBeatmapMetadata>();
int itemCount = newItems.Count();
for (int i = 0; i < itemCount; i++)
{
dynamic? oldItem = oldItems.ElementAt(i);
var newItem = newItems.ElementAt(i);
string username = oldItem.Author;
newItem.Author = new RealmUser
void convertOnlineIDs<T>() where T : RealmObject
{
Username = username
};
}
}
string className = typeof(T).Name.Replace(@"Realm", string.Empty);
if (lastSchemaVersion < 8)
{
// Ctrl -/+ now adjusts UI scale so let's clear any bindings which overlap these combinations.
// New defaults will be populated by the key store afterwards.
var keyBindings = migration.NewRealm.All<RealmKeyBinding>();
// version was not bumped when the beatmap/ruleset models were added
// therefore we must manually check for their presence to avoid throwing on the `DynamicApi` calls.
if (!migration.OldRealm.Schema.TryFindObjectSchema(className, out _))
return;
var increaseSpeedBinding = keyBindings.FirstOrDefault(k => k.ActionInt == (int)GlobalAction.IncreaseScrollSpeed);
if (increaseSpeedBinding != null && increaseSpeedBinding.KeyCombination.Keys.SequenceEqual(new[] { InputKey.Control, InputKey.Plus }))
migration.NewRealm.Remove(increaseSpeedBinding);
var oldItems = migration.OldRealm.DynamicApi.All(className);
var newItems = migration.NewRealm.DynamicApi.All(className);
var decreaseSpeedBinding = keyBindings.FirstOrDefault(k => k.ActionInt == (int)GlobalAction.DecreaseScrollSpeed);
if (decreaseSpeedBinding != null && decreaseSpeedBinding.KeyCombination.Keys.SequenceEqual(new[] { InputKey.Control, InputKey.Minus }))
migration.NewRealm.Remove(decreaseSpeedBinding);
}
int itemCount = newItems.Count();
if (lastSchemaVersion < 7)
{
convertOnlineIDs<RealmBeatmap>();
convertOnlineIDs<RealmBeatmapSet>();
convertOnlineIDs<RealmRuleset>();
for (int i = 0; i < itemCount; i++)
{
dynamic? oldItem = oldItems.ElementAt(i);
dynamic? newItem = newItems.ElementAt(i);
void convertOnlineIDs<T>() where T : RealmObject
{
string className = typeof(T).Name.Replace(@"Realm", string.Empty);
long? nullableOnlineID = oldItem?.OnlineID;
newItem.OnlineID = (int)(nullableOnlineID ?? -1);
}
}
// version was not bumped when the beatmap/ruleset models were added
// therefore we must manually check for their presence to avoid throwing on the `DynamicApi` calls.
if (!migration.OldRealm.Schema.TryFindObjectSchema(className, out _))
return;
break;
case 8:
// Ctrl -/+ now adjusts UI scale so let's clear any bindings which overlap these combinations.
// New defaults will be populated by the key store afterwards.
var keyBindings = migration.NewRealm.All<RealmKeyBinding>();
var increaseSpeedBinding = keyBindings.FirstOrDefault(k => k.ActionInt == (int)GlobalAction.IncreaseScrollSpeed);
if (increaseSpeedBinding != null && increaseSpeedBinding.KeyCombination.Keys.SequenceEqual(new[] { InputKey.Control, InputKey.Plus }))
migration.NewRealm.Remove(increaseSpeedBinding);
var decreaseSpeedBinding = keyBindings.FirstOrDefault(k => k.ActionInt == (int)GlobalAction.DecreaseScrollSpeed);
if (decreaseSpeedBinding != null && decreaseSpeedBinding.KeyCombination.Keys.SequenceEqual(new[] { InputKey.Control, InputKey.Minus }))
migration.NewRealm.Remove(decreaseSpeedBinding);
break;
case 9:
// Pretty pointless to do this as beatmaps aren't really loaded via realm yet, but oh well.
string className = nameof(RealmBeatmapMetadata).Replace(@"Realm", string.Empty);
var oldItems = migration.OldRealm.DynamicApi.All(className);
var newItems = migration.NewRealm.DynamicApi.All(className);
var newItems = migration.NewRealm.All<RealmBeatmapMetadata>();
int itemCount = newItems.Count();
for (int i = 0; i < itemCount; i++)
{
dynamic? oldItem = oldItems.ElementAt(i);
dynamic? newItem = newItems.ElementAt(i);
var newItem = newItems.ElementAt(i);
long? nullableOnlineID = oldItem?.OnlineID;
newItem.OnlineID = (int)(nullableOnlineID ?? -1);
string username = oldItem.Author;
newItem.Author = new RealmUser
{
Username = username
};
}
}
break;
}
}