public AppTaskResult Revert(string?migrationName, bool throwIfError)
{
using var db = DbFactory.Open();
Init(db);
var allMigrationTypes = MigrationTypes.ToList();
allMigrationTypes.Reverse();
LogMigrationsFound(allMigrationTypes);
var startAt = DateTime.UtcNow;
var migrationsRun = new List <IAppTask>();
Log.Info($"Reverting {migrationName}...");
migrationName = migrationName switch
{
All => allMigrationTypes.LastOrDefault()?.Name,
Last => allMigrationTypes.FirstOrDefault()?.Name,
_ => migrationName
};
if (migrationName != null)
{
while (true)
{
Type?nextRun;
try
{
nextRun = GetNextMigrationRevertToRun(db, allMigrationTypes);
if (nextRun == null)
{
break;
}
}
catch (Exception e)
{
Log.Error(e.Message);
if (throwIfError)
{
throw;
}
return(new AppTaskResult(migrationsRun)
{
Error = e
});
}
var migrationStartAt = DateTime.UtcNow;
var descFmt = AppTasks.GetDescFmt(nextRun);
Log.Info($"Reverting {nextRun.Name}{descFmt}...");
var instance = Run(DbFactory, nextRun, x => x.Down());
migrationsRun.Add(instance);
Log.Info(instance.Log);
if (instance.Error == null)
{
Log.Info($"Completed revert of {nextRun.Name}{descFmt} in {(DateTime.UtcNow - migrationStartAt).TotalSeconds:N3}s" +
Environment.NewLine);
// Remove completed migration revert from DB
db.Delete <Migration>(x => x.Name == nextRun.Name);
}
else
{
Log.Error(instance.Error.Message, instance.Error);
if (throwIfError)
{
throw instance.Error;
}
return(new AppTaskResult(migrationsRun));
}
if (migrationName == nextRun.Name)
{
break;
}
}
}
var migrationsCompleted = migrationsRun.Count(x => x.Error == null);
if (migrationsCompleted == 0)
{
Log.Info("No migrations were reverted.");
}
else
{
var migration = migrationsCompleted > 1 ? "migrations" : "migration";
Log.Info($"{Environment.NewLine}Reverted {migrationsCompleted} {migration} in {(DateTime.UtcNow - startAt).TotalSeconds:N3}s");
}
return(new AppTaskResult(migrationsRun));
}
public AppTaskResult Run(bool throwIfError)
{
using var db = DbFactory.Open();
Init(db);
var allLogs = new StringBuilder();
var remainingMigrations = MigrationTypes.ToList();
LogMigrationsFound(remainingMigrations);
var startAt = DateTime.UtcNow;
var migrationsRun = new List <IAppTask>();
while (true)
{
Type?nextRun;
try
{
nextRun = GetNextMigrationToRun(db, remainingMigrations);
if (nextRun == null)
{
break;
}
}
catch (Exception e)
{
Log.Error(e.Message);
if (throwIfError)
{
throw;
}
return(new AppTaskResult(migrationsRun)
{
Error = e
});
}
var migrationStartAt = DateTime.UtcNow;
var descFmt = AppTasks.GetDescFmt(nextRun);
Log.Info($"Running {nextRun.Name}{descFmt}...");
var migration = new Migration
{
Name = nextRun.Name,
Description = AppTasks.GetDesc(nextRun),
CreatedDate = DateTime.UtcNow,
ConnectionString = ((OrmLiteConnectionFactory)DbFactory).ConnectionString,
NamedConnection = nextRun.FirstAttribute <NamedConnectionAttribute>()?.Name,
};
var id = db.Insert(migration, selectIdentity: true);
var instance = Run(DbFactory, nextRun, x => x.Up());
migrationsRun.Add(instance);
Log.Info(instance.Log);
if (instance.Error == null)
{
Log.Info($"Completed {nextRun.Name}{descFmt} in {(DateTime.UtcNow - migrationStartAt).TotalSeconds:N3}s" +
Environment.NewLine);
// Record completed migration run in DB
db.UpdateOnly(() => new Migration
{
Log = instance.Log,
CompletedDate = DateTime.UtcNow,
}, where : x => x.Id == id);
remainingMigrations.Remove(nextRun);
}
else
{
var e = instance.Error;
Log.Error(e.Message, e);
// Save Error in DB
db.UpdateOnly(() => new Migration
{
Log = instance.Log,
ErrorCode = e.GetType().Name,
ErrorMessage = e.Message,
ErrorStackTrace = e.StackTrace,
}, where : x => x.Id == id);
if (throwIfError)
{
throw instance.Error;
}
return(new AppTaskResult(migrationsRun));
}
}
var migrationsCompleted = migrationsRun.Count(x => x.Error == null);
if (migrationsCompleted == 0)
{
Log.Info("No migrations to run.");
}
else
{
var migration = migrationsCompleted > 1 ? "migrations" : "migration";
Log.Info($"{Environment.NewLine}Ran {migrationsCompleted} {migration} in {(DateTime.UtcNow - startAt).TotalSeconds:N3}s");
}
return(new AppTaskResult(migrationsRun));
}
