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<?php |
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namespace Cdf\BiCoreBundle\Utils\Database; |
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use Symfony\Bundle\FrameworkBundle\Console\Application; |
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use Symfony\Component\Console\Input\ArrayInput; |
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use Symfony\Component\Console\Output\BufferedOutput; |
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use Doctrine\Common\Persistence\ObjectManager; |
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class DatabaseUtils |
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{ |
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/* @var $em \Doctrine\ORM\EntityManager */ |
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private $em; |
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private $kernel; |
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public function __construct($kernel, ObjectManager $em) |
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{ |
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$this->kernel = $kernel; |
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$this->em = $em; |
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} |
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public function getFieldType($entity, $field) |
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{ |
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$metadata = $this->em->getClassMetadata(get_class($entity)); |
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$fieldMetadata = $metadata->fieldMappings[$field]; |
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$fieldType = $fieldMetadata['type']; |
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return $fieldType; |
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} |
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public function isRecordChanged($entity, $fieldname, $oldvalue, $newvalue) |
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{ |
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$fieldtype = $this->getFieldType(new $entity(), $fieldname); |
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if ('boolean' === $fieldtype) { |
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return $oldvalue !== $newvalue; |
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} |
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if ('datetime' === $fieldtype || 'date' === $fieldtype) { |
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return $this->isDateChanged($oldvalue, $newvalue); |
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} |
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if (is_array($oldvalue)) { |
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return $this->isArrayChanged($oldvalue, $newvalue); |
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} |
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return $oldvalue !== $newvalue; |
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} |
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public function isDateChanged($oldvalue, $newvalue) |
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{ |
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$datenewvalue = new \DateTime(); |
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$datenewvalue->setTimestamp($newvalue); |
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$twoboth = !$oldvalue && !$newvalue; |
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if ($twoboth) { |
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return false; |
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} |
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$onlyonenull = (!$oldvalue && $newvalue) || ($oldvalue && !$newvalue); |
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if ($onlyonenull) { |
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return true; |
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} |
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$changed = ($oldvalue != $datenewvalue); |
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return $changed; |
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} |
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public function isArrayChanged($oldvalue, $newvalue) |
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{ |
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$twoboth = !$oldvalue && !$newvalue; |
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if ($twoboth) { |
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return false; |
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} |
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$onlyonenull = (!$oldvalue && $newvalue) || ($oldvalue && !$newvalue); |
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if ($onlyonenull) { |
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return true; |
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} |
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$numdiff = array_diff($oldvalue, $newvalue); |
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return count($numdiff) > 0; |
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} |
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public function truncateTable($entityclass, $cascade = false) |
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{ |
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$cmd = $this->em->getClassMetadata($entityclass); |
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$connection = $this->em->getConnection(); |
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$dbPlatform = $connection->getDatabasePlatform(); |
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$dbtype = $connection->getDriver()->getDatabasePlatform()->getName(); |
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$retval = false; |
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switch ($dbtype) { |
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case 'mysql': |
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$connection->query('SET FOREIGN_KEY_CHECKS=0'); |
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$q = $dbPlatform->getTruncateTableSql($cmd->getTableName(), $cascade); |
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$retval = $connection->executeUpdate($q); |
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$connection->query('SET FOREIGN_KEY_CHECKS=1'); |
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break; |
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case 'postgresql': |
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$cascadesql = $cascade ? 'CASCADE' : ''; |
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$tablename = $cmd->getTableName(); |
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if ($cmd->getSchemaName()) { |
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$tablename = $cmd->getSchemaName().'.'.$tablename; |
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} |
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$retval = $connection->executeQuery(sprintf('TRUNCATE TABLE %s '.$cascadesql, $tablename)); |
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break; |
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default: |
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$q = $dbPlatform->getTruncateTableSql($cmd->getTableName(), $cascade); |
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$retval = $connection->executeUpdate($q); |
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break; |
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} |
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$this->em->clear(); |
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return $retval; |
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} |
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public function isSchemaChanged() |
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{ |
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$application = new Application($this->kernel); |
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$application->setAutoExit(false); |
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$input = new ArrayInput(array( |
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'command' => 'doctrine:schema:update', |
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'--dump-sql' => true, |
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'--no-debug' => true, |
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'--env' => $this->kernel->getEnvironment(), |
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)); |
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// You can use NullOutput() if you don't need the output |
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$output = new BufferedOutput(); |
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$application->run($input, $output); |
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// return the output, don't use if you used NullOutput() |
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$content = $output->fetch(); |
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$changed = strpos($content, 'Nothing to update'); |
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return 0 !== $changed; |
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} |
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} |
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ComuneFI /
BiCoreBundle
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