enhanced plugin support (#634)

- refactored admin controller and templates
- plugin support for entity actions
- changed column mail to email in customer table
- refactored theme events

src/Doctrine/AbstractMigration.php

@@ -11,6 +11,7 @@ namespace App\Doctrine;
 
 use Doctrine\Common\Persistence\Mapping\ClassMetadata;
 use Doctrine\DBAL\DBALException;
+use Doctrine\DBAL\Schema\Schema;
 use Doctrine\Migrations\AbstractMigration as BaseAbstractMigration;
 use Symfony\Component\DependencyInjection\ContainerAwareInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
@@ -50,6 +51,55 @@ abstract class AbstractMigration extends BaseAbstractMigration implements Contai
         return getenv('DATABASE_PREFIX') . $name;
     }
 
+    /**
+     * @param Schema $schema
+     * @throws DBALException
+     */
+    public function preUp(Schema $schema): void
+    {
+        $this->abortIfPlatformNotSupported();
+    }
+
+    /**
+     * @param Schema $schema
+     * @throws DBALException
+     */
+    public function preDown(Schema $schema): void
+    {
+        $this->abortIfPlatformNotSupported();
+    }
+
+    /**
+     * Abort the migration is the current platform is not supported.
+     *
+     * @throws DBALException
+     */
+    protected function abortIfPlatformNotSupported()
+    {
+        $platform = $this->getPlatform();
+        if (!in_array($platform, ['sqlite', 'mysql'])) {
+            $this->abortIf(true, 'Unsupported database platform: ' . $platform);
+        }
+    }
+
+    /**
+     * @return bool
+     * @throws DBALException
+     */
+    protected function isPlatformSqlite()
+    {
+        return ($this->getPlatform() === 'sqlite');
+    }
+
+    /**
+     * @return bool
+     * @throws DBALException
+     */
+    protected function isPlatformMysql()
+    {
+        return ($this->getPlatform() === 'mysql');
+    }
+
     /**
      * @return string
      * @throws DBALException
@@ -84,7 +134,7 @@ abstract class AbstractMigration extends BaseAbstractMigration implements Contai
     protected function addSqlDropIndex($indexName, $tableName)
     {
         $dropSql = 'DROP INDEX ' . $indexName;
-        if ($this->getPlatform() === 'mysql') {
+        if (!$this->isPlatformSqlite()) {
             $dropSql .= ' ON ' . $tableName;
         }
         $this->addSql($dropSql);