/**
  * Updates DB Schema. Changes from Diamante only will be applied for current schema. Other bundles updating skips
  * @throws \Exception if there are no changes in entities
  */
 protected function updateDbSchema()
 {
     /**
      * @var $em \Doctrine\ORM\EntityManager
      */
     $em = $this->getContainer()->get('doctrine.orm.entity_manager');
     $event = $em->getEventManager();
     $sm = $em->getConnection()->getSchemaManager();
     $allMetadata = $em->getMetadataFactory()->getAllMetadata();
     $schemaTool = new SchemaTool($em);
     $entitiesMetadata = array($em->getClassMetadata(\Diamante\DeskBundle\Entity\Branch::getClassName()), $em->getClassMetadata(\Diamante\DeskBundle\Entity\Ticket::getClassName()), $em->getClassMetadata(\Diamante\DeskBundle\Entity\Comment::getClassName()), $em->getClassMetadata(\Diamante\DeskBundle\Entity\Attachment::getClassName()), $em->getClassMetadata(\Diamante\DeskBundle\Entity\BranchEmailConfiguration::getClassName()), $em->getClassMetadata(\Diamante\DeskBundle\Entity\MessageReference::getClassName()), $em->getClassMetadata(\Diamante\DeskBundle\Entity\TicketHistory::getClassName()), $em->getClassMetadata(\Diamante\DeskBundle\Entity\WatcherList::getClassName()), $em->getClassMetadata(\Diamante\DeskBundle\Entity\TicketTimeline::getClassName()), $em->getClassMetadata(\Diamante\DeskBundle\Entity\Audit::getClassName()), $em->getClassMetadata(\Diamante\DeskBundle\Entity\AuditField::getClassName()), $em->getClassMetadata(\Diamante\DeskBundle\Entity\Article::getClassName()));
     $event->disableListeners();
     $currentSchema = $sm->createSchema();
     $schemaFromMetadata = $schemaTool->getSchemaFromMetadata($allMetadata);
     $entitiesSchema = $schemaTool->getSchemaFromMetadata($entitiesMetadata);
     $entitiesTables = $entitiesSchema->getTables();
     $entitiesTableName = array_keys($entitiesTables);
     $currentDiamanteSchema = $this->getTargetSchema($currentSchema, $entitiesTableName);
     $diamanteSchemaFromMetadata = $this->getTargetSchema($schemaFromMetadata, $entitiesTableName);
     $comparator = new Comparator();
     $diff = $comparator->compare($currentDiamanteSchema, $diamanteSchemaFromMetadata);
     $toUpdate = $diff->toSql($em->getConnection()->getDatabasePlatform());
     if (empty($toUpdate)) {
         throw new \Exception('No new updates found. DiamanteDesk is up to date!');
     }
     $conn = $em->getConnection();
     foreach ($toUpdate as $sql) {
         $conn->executeQuery($sql);
     }
 }
 /**
  * Get list of Diamante tables to purge data from
  *
  * @return array
  */
 protected function getTablesList()
 {
     $entitiesMetadata = array($this->entityManager->getClassMetadata(\Diamante\DeskBundle\Entity\Branch::getClassName()), $this->entityManager->getClassMetadata(\Diamante\DeskBundle\Entity\BranchEmailConfiguration::getClassName()), $this->entityManager->getClassMetadata(\Diamante\DeskBundle\Entity\Ticket::getClassName()), $this->entityManager->getClassMetadata(\Diamante\DeskBundle\Entity\Comment::getClassName()), $this->entityManager->getClassMetadata(\Diamante\DeskBundle\Entity\Attachment::getClassName()));
     $toPurge = array();
     /** @var $entity \Doctrine\ORM\Mapping\ClassMetadata */
     foreach ($entitiesMetadata as $entity) {
         $tableName = $entity->getTableName();
         $toPurge[] = $tableName;
     }
     return $toPurge;
 }
 /**
  * Get list of Diamante tables to purge data from
  *
  * @return array
  */
 protected function getTablesList()
 {
     $entitiesMetadata = array($this->entityManager->getClassMetadata(\Diamante\DeskBundle\Entity\Branch::getClassName()), $this->entityManager->getClassMetadata(\Diamante\DeskBundle\Entity\BranchEmailConfiguration::getClassName()), $this->entityManager->getClassMetadata(\Diamante\DeskBundle\Entity\Ticket::getClassName()), $this->entityManager->getClassMetadata(\Diamante\DeskBundle\Entity\Comment::getClassName()), $this->entityManager->getClassMetadata(\Diamante\DeskBundle\Entity\Attachment::getClassName()), $this->entityManager->getClassMetadata(\Diamante\DeskBundle\Entity\TicketHistory::getClassName()), $this->entityManager->getClassMetadata('\\Oro\\Bundle\\TagBundle\\Entity\\Tag'), $this->entityManager->getClassMetadata('\\Oro\\Bundle\\TagBundle\\Entity\\Tagging'));
     $toPurge = array();
     $quoteStrategy = new DefaultQuoteStrategy();
     /** @var $entity \Doctrine\ORM\Mapping\ClassMetadata */
     foreach ($entitiesMetadata as $entity) {
         $tableName = $entity->getTableName();
         $toPurge[] = $tableName;
         foreach ($entity->getAssociationMappings() as $assoc) {
             if (isset($assoc['joinTable'])) {
                 $toPurge[] = $quoteStrategy->getJoinTableName($assoc, $entity, $this->dbPlatform);
             }
         }
     }
     return $toPurge;
 }