namespace Application\Migrations;
-use Doctrine\DBAL\Migrations\AbstractMigration;
use Doctrine\DBAL\Schema\Schema;
-use Symfony\Component\DependencyInjection\ContainerAwareInterface;
-use Symfony\Component\DependencyInjection\ContainerInterface;
+use Wallabag\CoreBundle\Doctrine\WallabagMigration;
/**
* Changed tags to lowercase.
*/
-class Version20170719231144 extends AbstractMigration implements ContainerAwareInterface
+class Version20170719231144 extends WallabagMigration
{
- /**
- * @var ContainerInterface
- */
- private $container;
-
- public function setContainer(ContainerInterface $container = null)
- {
- $this->container = $container;
- }
-
/**
* @param Schema $schema
*/
// Find tags which need to be merged
$dupTags = $this->connection->query('
- SELECT LOWER(label)
+ SELECT LOWER(label) AS lower_label
FROM ' . $this->getTable('tag') . '
GROUP BY LOWER(label)
HAVING COUNT(*) > 1'
$dupTags->execute();
foreach ($dupTags->fetchAll() as $duplicates) {
- $label = $duplicates['LOWER(label)'];
+ $label = $duplicates['lower_label'];
// Retrieve all duplicate tags for a given tag
- $tags = $this->connection->query('
+ $tags = $this->connection->executeQuery('
SELECT id
- FROM ' . $this->getTable('tag') . "
- WHERE LOWER(label) = '" . $label . "'
- ORDER BY id ASC"
+ FROM ' . $this->getTable('tag') . '
+ WHERE LOWER(label) = :label
+ ORDER BY id ASC',
+ [
+ 'label' => $label,
+ ]
);
- $tags->execute();
$first = true;
$newId = null;
}
// Just in case...
- if (count($ids) > 0) {
+ if (\count($ids) > 0) {
// Merge tags
$this->addSql('
UPDATE ' . $this->getTable('entry_tag') . '
SET tag_id = ' . $newId . '
- WHERE tag_id IN (' . implode(',', $ids) . ')'
+ WHERE tag_id IN (' . implode(',', $ids) . ')
+ AND entry_id NOT IN (
+ SELECT entry_id
+ FROM (SELECT * FROM ' . $this->getTable('entry_tag') . ') AS _entry_tag
+ WHERE tag_id = ' . $newId . '
+ )'
+ );
+
+ // Delete links to unused tags
+ $this->addSql('
+ DELETE FROM ' . $this->getTable('entry_tag') . '
+ WHERE tag_id IN (' . implode(',', $ids) . ')'
);
// Delete unused tags
{
throw new SkipMigrationException('Too complex ...');
}
-
- private function getTable($tableName)
- {
- return $this->container->getParameter('database_table_prefix') . $tableName;
- }
}