Handle oc_dav_properties migration

Signed-off-by: Julius Härtl <jus@bitgrid.net>

core/Migrations/Version13000Date20170718121200.php

@@ -31,11 +31,37 @@ namespace OC\Core\Migrations;
 
 use Doctrine\DBAL\Types\Types;
 use OCP\DB\ISchemaWrapper;
+use OCP\IDBConnection;
 use OCP\Migration\IOutput;
 use OCP\Migration\SimpleMigrationStep;
 
 class Version13000Date20170718121200 extends SimpleMigrationStep {
 
+	/** @var IDBConnection */
+	private $connection;
+
+	public function __construct(IDBConnection $connection) {
+		$this->connection = $connection;
+	}
+
+	public function preSchemaChange(IOutput $output, \Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if (!$schema->hasTable('properties')) {
+			return;
+		}
+		// in case we have a properties table from oc we drop it since we will only migrate
+		// the dav_properties values in the postSchemaChange step
+		$table = $schema->getTable('properties');
+		if ($table->hasColumn('fileid')) {
+			$qb = $this->connection->getQueryBuilder();
+			$qb->delete('properties');
+			$qb->execute();
+		}
+	}
+
+
 	/**
 	 * @param IOutput $output
 	 * @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
@@ -330,6 +356,27 @@ class Version13000Date20170718121200 extends SimpleMigrationStep {
 			$table->setPrimaryKey(['id']);
 			$table->addIndex(['userid'], 'property_index');
 			$table->addIndex(['userid', 'propertypath'], 'properties_path_index');
+		} else {
+			$table = $schema->getTable('properties');
+			if ($table->hasColumn('propertytype')) {
+				$table->dropColumn('propertytype');
+			}
+			if ($table->hasColumn('fileid')) {
+				$table->dropColumn('fileid');
+			}
+			if (!$table->hasColumn('propertypath')) {
+				$table->addColumn('propertypath', 'string', [
+					'notnull' => true,
+					'length' => 255,
+				]);
+			}
+			if (!$table->hasColumn('userid')) {
+				$table->addColumn('userid', 'string', [
+					'notnull' => false,
+					'length' => 64,
+					'default' => '',
+				]);
+			}
 		}
 
 		if (!$schema->hasTable('share')) {
@@ -965,4 +1012,32 @@ class Version13000Date20170718121200 extends SimpleMigrationStep {
 		}
 		return $schema;
 	}
+
+	public function postSchemaChange(IOutput $output, \Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+		if (!$schema->hasTable('dav_properties')) {
+			return;
+		}
+		$query = $this->connection->getQueryBuilder();
+		$query->select('*')
+			->from('dav_properties');
+
+		$insert = $this->connection->getQueryBuilder();
+		$insert->insert('properties')
+			->setValue('propertypath', $insert->createParameter('propertypath'))
+			->setValue('propertyname', $insert->createParameter('propertyname'))
+			->setValue('propertyvalue', $insert->createParameter('propertyvalue'))
+			->setValue('userid', $insert->createParameter('userid'));
+
+		$result = $query->execute();
+		while ($row = $result->fetch()) {
+			preg_match('/(calendar)\/([A-z0-9-@_]+)\//', $row['propertypath'], $match);
+			$insert->setParameter('propertypath', (string) $row['propertypath'])
+				->setParameter('propertyname', (string) $row['propertyname'])
+				->setParameter('propertyvalue', (string) $row['propertyvalue'])
+				->setParameter('userid', (string) ($match[2] ?? ''));
+			$insert->execute();
+		}
+	}
 }