. */ /** * Doctrine_IntegrityMapper * * @package Doctrine * @subpackage IntegrityMapper * @license http://www.opensource.org/licenses/lgpl-license.php LGPL * @link www.phpdoctrine.org * @since 1.0 * @version $Revision$ * @author Konsta Vesterinen */ class Doctrine_IntegrityMapper { /** * processDeleteIntegrity * * @param Doctrine_Record $record * @return void */ public function processDeleteIntegrity(Doctrine_Record $record) { $coll = $this->buildIntegrityRelationQuery($record); $this->invokeIntegrityActions($record); } /** * invokeIntegrityActions * * @param Doctrine_Record $record * @return void */ public function invokeIntegrityActions(Doctrine_Record $record) { $deleteActions = Doctrine_Manager::getInstance() ->getDeleteActions($record->getTable()->getComponentName()); foreach ($record->getTable()->getRelations() as $relation) { $componentName = $relation->getTable()->getComponentName(); foreach($record->get($relation->getAlias()) as $coll) { if ( ! ($coll instanceof Doctrine_Collection)) { $coll = array($coll); } foreach ($coll as $record) { $this->invokeIntegrityActions($record); if (isset($deleteActions[$componentName])) { if ($deleteActions[$componentName] === 'SET NULL') { $record->set($relation->getForeign(), null); } elseif ($deleteActions[$componentName] === 'CASCADE') { $this->conn->transaction->addDelete($record); } } } } } } /** * buildIntegrityRelationQuery * * @param Doctrine_Record $record * @return array The result */ public function buildIntegrityRelationQuery(Doctrine_Record $record) { $q = new Doctrine_Query(); $aliases = array(); $indexes = array(); $root = $record->getTable()->getComponentName(); $rootAlias = strtolower(substr($root, 0, 1)); $aliases[$rootAlias] = $root; foreach ((array) $record->getTable()->getIdentifier() as $id) { $field = $rootAlias . '.' . $id; $cond[] = $field . ' = ?'; $fields[] = $field; $params = $record->get($id); } $fields = implode(', ', $fields); $components[] = $root; $this->buildIntegrityRelations($record->getTable(), $aliases, $fields, $indexes, $components); $q->select($fields)->from($root. ' ' . $rootAlias); foreach ($aliases as $alias => $name) { $q->leftJoin($rootAlias . '.' . $name . ' ' . $alias); } $q->where(implode(' AND ', $cond)); return $q->execute(array($params)); } /** * buildIntegrityRelations * * @param Doctrine_Table $table * @param mixed $aliases * @param mixed $fields * @param mixed $indexes * @param mixed $components * @return void */ public function buildIntegrityRelations(Doctrine_Table $table, &$aliases, &$fields, &$indexes, &$components) { $deleteActions = Doctrine_Manager::getInstance() ->getDeleteActions($table->getComponentName()); foreach ($table->getRelations() as $relation) { $componentName = $relation->getTable()->getComponentName(); if (in_array($componentName, $components)) { continue; } $components[] = $componentName; $alias = strtolower(substr($relation->getAlias(), 0, 1)); if ( ! isset($indexes[$alias])) { $indexes[$alias] = 1; } if (isset($deleteActions[$componentName])) { if (isset($aliases[$alias])) { $alias = $alias . ++$indexes[$alias]; } $aliases[$alias] = $relation->getAlias(); if ($deleteActions[$componentName] === 'SET NULL') { if ($relation instanceof Doctrine_Relation_ForeignKey) { foreach ((array) $relation->getForeign() as $foreign) { $fields .= ', ' . $alias . '.' . $foreign; } } elseif ($relation instanceof Doctrine_Relation_LocalKey) { foreach ((array) $relation->getLocal() as $foreign) { $fields .= ', ' . $alias . '.' . $foreign; } } } foreach ((array) $relation->getTable()->getIdentifier() as $id) { $fields .= ', ' . $alias . '.' . $id; } if ($deleteActions[$componentName] === 'CASCADE') { $this->buildIntegrityRelations($relation->getTable(), $aliases, $fields, $indexes, $components); } } } } }