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<?php
namespace Mautic\CoreBundle\Doctrine;
use Doctrine\DBAL\Schema\Schema;
use Doctrine\Migrations\AbstractMigration;
use Doctrine\Migrations\Exception\AbortMigration;
use Symfony\Component\DependencyInjection\ContainerAwareInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
abstract class AbstractMauticMigration extends AbstractMigration implements ContainerAwareInterface
{
/**
* @var ContainerInterface
*/
protected $container;
/**
* Supported platforms.
*
* @var array
*/
protected $supported = ['mysql'];
/**
* Database prefix.
*
* @var string
*/
protected $prefix;
/**
* Database platform.
*
* @var string
*/
protected $platform;
/**
* @throws \Doctrine\DBAL\Exception
* @throws AbortMigration
*/
public function up(Schema $schema): void
{
$platform = DatabasePlatform::getDatabasePlatform($this->connection->getDatabasePlatform());
// Abort the migration if the platform is unsupported
$this->abortIf(!in_array($platform, $this->supported), 'The database platform is unsupported for migrations');
$function = $this->platform.'Up';
if (method_exists($this, $function)) {
$this->$function($schema);
}
}
/**
* @throws AbortMigration
*/
public function down(Schema $schema): void
{
// Not supported
}
/**
* @throws \Doctrine\DBAL\Exception
*/
public function setContainer(ContainerInterface $container = null): void
{
$this->container = $container;
$this->prefix = $container->getParameter('mautic.db_table_prefix');
$this->platform = DatabasePlatform::getDatabasePlatform($this->connection->getDatabasePlatform());
}
/**
* Finds/creates the local name for constraints and indexes.
*
* @return string
*/
protected function findPropertyName($table, $type, $suffix)
{
static $schemaManager;
static $tables = [];
if (empty($schemaManager)) {
$schemaManager = $this->connection->createSchemaManager();
}
// Prepend prefix
$table = $this->prefix.$table;
if (!array_key_exists($table, $tables)) {
$tables[$table] = [];
}
$type = strtolower($type);
$suffix = strtolower(substr($suffix, -4));
switch ($type) {
case 'fk':
if (!array_key_exists('fk', $tables[$table])) {
$keys = $schemaManager->listTableForeignKeys($table);
/** @var \Doctrine\DBAL\Schema\ForeignKeyConstraint $k */
foreach ($keys as $k) {
$name = strtolower($k->getName());
$key = substr($name, -4);
$tables[$table]['fk'][$key] = $name;
}
}
$localName = $tables[$table]['fk'][$suffix];
break;
case 'idx':
case 'uniq':
if (!array_key_exists('idx', $tables[$table])) {
$tables[$table]['idx'] = [
'idx' => [],
'uniq' => [],
];
$indexes = $schemaManager->listTableIndexes($table);
/** @var \Doctrine\DBAL\Schema\Index $i */
foreach ($indexes as $i) {
$name = strtolower($i->getName());
$isIdx = stripos($name, 'idx');
$isUniq = stripos($name, 'uniq');
if (false !== $isIdx || false !== $isUniq) {
$key = substr($name, -4);
$keyType = (false !== $isIdx) ? 'idx' : 'uniq';
$tables[$table]['idx'][$keyType][$key] = $name;
}
}
}
$localName = $tables[$table]['idx'][$type][$suffix];
break;
}
return strtoupper($localName);
}
/**
* Generate the name for the property.
*
* @return string
*/
protected function generatePropertyName($table, $type, array $columnNames)
{
$columnNames = array_merge([$this->prefix.$table], $columnNames);
$hash = implode(
'',
array_map(
fn ($column): string => dechex(crc32($column)),
$columnNames
)
);
return substr(strtoupper($type.'_'.$hash), 0, 63);
}
/**
* Generate index and foreign constraint.
*
* @return array [idx, fk]
*/
protected function generateKeys($table, array $columnNames)
{
return [
$this->generatePropertyName($table, 'idx', $columnNames),
$this->generatePropertyName($table, 'fk', $columnNames),
];
}
/**
* Use this when you're doing a migration that
* purposely does not have any SQL statements,
* such as when moving data using the query builder.
*/
protected function suppressNoSQLStatementError()
{
$this->addSql('SELECT "This migration did not generate select statements." AS purpose');
}
}
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