1 files changed, 63 insertions, 0 deletions

diff --git a/app/DoctrineMigrations/Version20161001072726.php b/app/DoctrineMigrations/Version20161001072726.php
new file mode 100644
index 00000000..5ab88555
--- /dev/null
+++ b/app/DoctrineMigrations/Version20161001072726.php
@@ -0,0 +1,63 @@
+<?php
+
+namespace Application\Migrations;
+
+use Doctrine\DBAL\Migrations\AbstractMigration;
+use Doctrine\DBAL\Schema\Schema;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+class Version20161001072726 extends AbstractMigration implements ContainerAwareInterface
+{
+    /**
+     * @var ContainerInterface
+     */
+    private $container;
+
+    public function setContainer(ContainerInterface $container = null)
+    {
+        $this->container = $container;
+    }
+
+    private function getTable($tableName)
+    {
+        return $this->container->getParameter('database_table_prefix').$tableName;
+    }
+
+    /**
+     * @param Schema $schema
+     */
+    public function up(Schema $schema)
+    {
+        $this->skipIf($this->connection->getDatabasePlatform()->getName() == 'sqlite', 'Migration can only be executed safely on \'mysql\' or \'postgresql\'.');
+
+        // remove all FK from entry_tag
+        $query = $this->connection->query("SELECT CONSTRAINT_NAME FROM information_schema.key_column_usage WHERE TABLE_NAME = '".$this->getTable('entry_tag')."' AND CONSTRAINT_NAME LIKE 'FK_%' AND TABLE_SCHEMA = '".$this->connection->getDatabase()."'");
+        $query->execute();
+
+        foreach ($query->fetchAll() as $fk) {
+            $this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' DROP FOREIGN KEY '.$fk['CONSTRAINT_NAME']);
+        }
+
+        $this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' ADD CONSTRAINT FK_entry_tag_entry FOREIGN KEY (entry_id) REFERENCES '.$this->getTable('entry').' (id) ON DELETE CASCADE');
+        $this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' ADD CONSTRAINT FK_entry_tag_tag FOREIGN KEY (tag_id) REFERENCES '.$this->getTable('tag').' (id) ON DELETE CASCADE');
+
+        // remove entry FK from annotation
+        $query = $this->connection->query("SELECT CONSTRAINT_NAME FROM information_schema.key_column_usage WHERE TABLE_NAME = '".$this->getTable('annotation')."' AND CONSTRAINT_NAME LIKE 'FK_%' and COLUMN_NAME = 'entry_id' AND TABLE_SCHEMA = '".$this->connection->getDatabase()."'");
+        $query->execute();
+
+        foreach ($query->fetchAll() as $fk) {
+            $this->addSql('ALTER TABLE '.$this->getTable('annotation').' DROP FOREIGN KEY '.$fk['CONSTRAINT_NAME']);
+        }
+
+        $this->addSql('ALTER TABLE '.$this->getTable('annotation').' ADD CONSTRAINT FK_annotation_entry FOREIGN KEY (entry_id) REFERENCES '.$this->getTable('entry').' (id) ON DELETE CASCADE');
+    }
+
+    /**
+     * @param Schema $schema
+     */
+    public function down(Schema $schema)
+    {
+        throw new SkipMigrationException('Too complex ...');
+    }
+}