// ToDo: Use ASCCache
private void StoreOngoingMigration(OngoingMigration migration)
{
MemoryCache.Default.Set(MigrationCacheKey, migration, new CacheItemPolicy()
{
RemovedCallback = ClearMigration, SlidingExpiration = TimeSpan.FromDays(1)
});
}
public void UploadAndInit(string migratorName, string path)
{
if (!CoreContext.Configuration.Standalone || !CoreContext.UserManager.GetUsers(SecurityContext.CurrentAccount.ID).IsAdmin())
{
throw new System.Security.SecurityException();
}
if (GetOngoingMigration() != null)
{
throw new Exception("Migration is already in progress");
}
var migratorMeta = MigrationCore.GetMigrator(migratorName);
if (migratorMeta == null)
{
throw new ItemNotFoundException("No such migration provider");
}
var cts = new CancellationTokenSource();
var migrator = (IMigration)Activator.CreateInstance(migratorMeta.MigratorType);
try
{
migrator.Init(path, cts.Token);
}
catch (Exception ex)
{
throw new Exception($"Error while initializing {migratorMeta.MigratorInfo.Name} migrator", ex);
}
var ongoingMigration = new OngoingMigration {
Migration = migrator, CancelTokenSource = cts
};
StoreOngoingMigration(ongoingMigration);
ongoingMigration.ParseTask = Task.Run(migrator.Parse);
}
