/// <summary>
/// Rolls back all migrations.
/// </summary>
/// <param name="plugin">The plugin.</param>
public void MigrateDown(ICorePlugin plugin)
{
Debug.Assert(plugin != null);
Assembly pluginMigrationsAssembly = plugin.GetPluginMigrationsAssembly();
if (pluginMigrationsAssembly != null)
{
using (ECM7.Migrator.Migrator migrator = GetMigrator(pluginMigrationsAssembly))
{
if (migrator.AvailableMigrations != null && migrator.AvailableMigrations.Count > 0)
{
var migrationService = ServiceLocator.Current.GetInstance <IMigrationService>();
IEnumerable <Migration> pluginInstalledMigrations = FillPluginSchemaInfo(plugin, migrationService);
migrator.Migrate(0);
IEnumerable <long> pluginMigrations =
(from migrationsType in migrator.AvailableMigrations select migrationsType.Version).
AsEnumerable
();
foreach (var pluginInstalledMigration in pluginInstalledMigrations)
{
if (pluginMigrations.Contains(pluginInstalledMigration.Version))
{
migrationService.Delete(pluginInstalledMigration);
}
}
}
}
}
}
private ECM7.Migrator.Migrator GetMigrator(Assembly assembly)
{
IApplicationConfigurator applicationConfigurator = ServiceLocator.Current.GetInstance<IApplicationConfigurator>();
ECM7.Migrator.Migrator migrator = null;
if (applicationConfigurator != null && applicationConfigurator.DatabaseConfiguration != null)
{
migrator = new ECM7.Migrator.Migrator(MigratorUtility.GetDialect(applicationConfigurator.DatabaseConfiguration.Platform), applicationConfigurator.DatabaseConfiguration.GetConnectionString(), assembly);
}
return migrator;
}
/// <summary>
/// Gets the migrator.
/// </summary>
/// <param name="assembly">The assembly.</param>
/// <returns></returns>
private static ECM7.Migrator.Migrator GetMigrator(Assembly assembly)
{
IApplicationConfigurator applicationConfigurator = ServiceLocator.Current.GetInstance <IApplicationConfigurator>();
ECM7.Migrator.Migrator migrator = null;
if (applicationConfigurator != null && applicationConfigurator.DatabaseConfiguration != null)
{
migrator = new ECM7.Migrator.Migrator(MigratorUtility.GetDialect(applicationConfigurator.DatabaseConfiguration.Platform), applicationConfigurator.DatabaseConfiguration.GetConnectionString(), assembly);
}
return(migrator);
}
/// <summary>
/// Applies migrations for specified plugin.
/// </summary>
/// <param name="plugin">The plugin.</param>
public void MigrateUp(ICorePlugin plugin)
{
Debug.Assert(plugin != null);
Assembly pluginMigrationsAssembly = plugin.GetPluginMigrationsAssembly();
if (pluginMigrationsAssembly != null)
{
var migrationService = ServiceLocator.Current.GetInstance <IMigrationService>();
IEnumerable <Migration> pluginMigrations = FillPluginSchemaInfo(plugin, migrationService);
using (ECM7.Migrator.Migrator migrator = GetMigrator(pluginMigrationsAssembly))
{
migrator.Migrate();
IList <long> appliedMigrations = migrator.GetAppliedMigrations();
if (appliedMigrations != null && appliedMigrations.Count > 0)
{
IEnumerable <long> pluginMigrationsVersions = (from pluginMigration in pluginMigrations
select pluginMigration.Version).AsEnumerable();
appliedMigrations.ToList().RemoveAll(
migration => pluginMigrationsVersions.Contains(migration));
if (appliedMigrations.Count > 0)
{
var pluginService = ServiceLocator.Current.GetInstance <IPluginService>();
Plugin pluginEntity = pluginService.FindPluginByIdentifier(plugin.Identifier);
foreach (long appliedMigration in appliedMigrations)
{
Migration migration = new Migration
{
Plugin = pluginEntity,
Version = appliedMigration
};
migrationService.Save(migration);
}
}
}
}
}
}
