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Sonarr/NzbDrone.Core/Datastore/Migrations.cs

111 lines
3.5 KiB

using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Reflection;
using System.Text;
using Migrator.Framework;
using NLog;
using NzbDrone.Core.Repository;
using SubSonic.Extensions;
using SubSonic.Schema;
namespace NzbDrone.Core.Datastore
{
public class Migrations
{
private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
public static void Run()
{
Logger.Info("Preparing to migrate databse");
try
{
var mig = new Migrator.Migrator("Sqlite", Connection.MainConnectionString,
Assembly.GetAssembly(typeof(Migrations)), true, new MigrationLogger());
mig.MigrateToLastVersion();
Logger.Info("Database migration completed");
}
catch (Exception e)
{
Logger.FatalException("An error has occured while migrating database", e);
}
}
public static void RemoveDeletedColumns(ITransformationProvider transformationProvider)
{
var provider = new RepositoryProvider();
var repoTypes = provider.GetRepositoryTypes();
foreach (var repoType in repoTypes)
{
var typeSchema = provider.GetSchemaFromType(repoType);
if (transformationProvider.TableExists(typeSchema.Name))
{
var dbColumns = provider.GetColumnsFromDatabase(transformationProvider, typeSchema.Name);
var deletedColumns = provider.GetDeletedColumns(typeSchema, dbColumns);
foreach (var deletedColumn in deletedColumns)
{
Logger.Info("Removing column '{0}' from '{1}'", deletedColumn.Name, repoType.Name);
transformationProvider.RemoveColumn(typeSchema.Name, deletedColumn.Name);
}
}
}
}
public static void AddNewColumns(ITransformationProvider transformationProvider)
{
var provider = new RepositoryProvider();
var repoTypes = provider.GetRepositoryTypes();
foreach (var repoType in repoTypes)
{
var typeSchema = provider.GetSchemaFromType(repoType);
if (transformationProvider.TableExists(typeSchema.Name))
{
var dbColumns = provider.GetColumnsFromDatabase(transformationProvider, typeSchema.Name);
var newColumns = provider.GetNewColumns(typeSchema, dbColumns);
foreach (var newColumn in newColumns)
{
Logger.Info("Adding column '{0}' to '{1}'", newColumn.Name, repoType.Name);
transformationProvider.AddColumn(typeSchema.Name, newColumn);
}
}
}
}
}
[Migration(20110523)]
public class Migration20110523 : Migration
{
public override void Up()
{
//Remove jobs table forcing it to repopulate
var repoProvider = new RepositoryProvider();
var jobTable = repoProvider.GetSchemaFromType(typeof(JobSetting));
Database.RemoveTable(jobTable.Name);
Migrations.RemoveDeletedColumns(Database);
Migrations.AddNewColumns(Database);
}
public override void Down()
{
throw new NotImplementedException();
}
}
}