async Task <Settings> LoadSettingsInternal()
{
using (this.Bench()) {
return(new Settings(
await _roamingCache.GetOrCreateObject("roamingSettings", () => new RoamingSettings()),
await _roamingSecureCache.GetOrCreateObject("secureSettings", () => new SecureSettings()),
await _localCache.GetOrCreateObject("localSettings", () => new LocalSettings())));
}
}
public override async Task <bool> Migrate(List <Migration> migrations)
{
var key = "____migration_version";
var migrationId = await _cache.GetOrCreateObject(key, () => 0);
var newMigrationId = migrations.Count;
if (newMigrationId > migrationId)
{
foreach (var m in migrations.Skip(migrationId))
{
await m.Migrate(this).ConfigureAwait(false);
}
// TODO: This should be a transaction :)
await SaveChanges().ConfigureAwait(false);
await _cache.InsertObject(key, newMigrationId);
return(true);
}
return(false);
}
public IObservable <T> GetOrCreateObject <T>(string key, Func <T> createFunc) => _localCache.GetOrCreateObject(key, createFunc);