138 lines
5.2 KiB
PHP
138 lines
5.2 KiB
PHP
<?php
|
|
/*
|
|
* $Id$
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* This software consists of voluntary contributions made by many individuals
|
|
* and is licensed under the LGPL. For more information, see
|
|
* <http://www.phpdoctrine.com>.
|
|
*/
|
|
Doctrine::autoload('Doctrine_Relation');
|
|
/**
|
|
* Doctrine_Relation_Association this class takes care of association mapping
|
|
* (= many-to-many relationships, where the relationship is handled with an additional relational table
|
|
* which holds 2 foreign keys)
|
|
*
|
|
*
|
|
* @package Doctrine
|
|
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
|
|
* @category Object Relational Mapping
|
|
* @link www.phpdoctrine.com
|
|
* @since 1.0
|
|
* @version $Revision$
|
|
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
|
|
*/
|
|
class Doctrine_Relation_Association extends Doctrine_Relation
|
|
{
|
|
/**
|
|
* @return Doctrine_Table
|
|
*/
|
|
public function getAssociationFactory()
|
|
{
|
|
return $this->definition['assocTable'];
|
|
}
|
|
/**
|
|
* processDiff
|
|
*
|
|
* @param Doctrine_Record $record
|
|
* @param Doctrine_Connection $conn
|
|
*/
|
|
public function processDiff(Doctrine_Record $record, $conn = null)
|
|
{
|
|
if (!$conn) {
|
|
$conn = $this->getTable()->getConnection();
|
|
}
|
|
|
|
$asf = $this->getAssociationFactory();
|
|
$alias = $this->getAlias();
|
|
|
|
if ($record->hasReference($alias)) {
|
|
$new = $record->obtainReference($alias);
|
|
|
|
if ( ! $record->obtainOriginals($alias)) {
|
|
$record->loadReference($alias);
|
|
}
|
|
$operations = Doctrine_Relation::getDeleteOperations($record->obtainOriginals($alias), $new);
|
|
|
|
foreach ($operations as $r) {
|
|
$query = 'DELETE FROM ' . $asf->getTableName()
|
|
. ' WHERE ' . $this->getForeign() . ' = ?'
|
|
. ' AND ' . $this->getLocal() . ' = ?';
|
|
|
|
$conn->execute($query, array($r->getIncremented(),$record->getIncremented()));
|
|
}
|
|
|
|
$operations = Doctrine_Relation::getInsertOperations($record->obtainOriginals($alias),$new);
|
|
|
|
foreach ($operations as $r) {
|
|
$reldao = $asf->create();
|
|
$reldao->set($this->getForeign(), $r);
|
|
$reldao->set($this->getLocal(), $record);
|
|
$reldao->save($conn);
|
|
}
|
|
|
|
$record->assignOriginals($alias, clone $record->get($alias));
|
|
}
|
|
}
|
|
/**
|
|
* getRelationDql
|
|
*
|
|
* @param integer $count
|
|
* @return string
|
|
*/
|
|
public function getRelationDql($count, $context = 'record')
|
|
{
|
|
$component = $this->definition['assocTable']->getComponentName();
|
|
switch ($context) {
|
|
case "record":
|
|
$sub = 'SQL:SELECT ' . $this->definition['foreign'].
|
|
' FROM ' . $this->definition['assocTable']->getTableName().
|
|
' WHERE ' . $this->definition['local'] .
|
|
' IN (' . substr(str_repeat("?, ", $count),0,-2) .
|
|
')';
|
|
|
|
$dql = 'FROM ' . $this->getTable()->getComponentName();
|
|
$dql .= '.' . $component;
|
|
$dql .= ' WHERE ' . $this->getTable()->getComponentName()
|
|
. '.' . $this->getTable()->getIdentifier() . ' IN (' . $sub . ')';
|
|
break;
|
|
case "collection":
|
|
$sub = substr(str_repeat("?, ", $count),0,-2);
|
|
$dql = 'FROM ' . $component . '.' . $this->getTable()->getComponentName();
|
|
$dql .= ' WHERE ' . $component . '.' . $this->definition['local'] . ' IN (' . $sub . ')';
|
|
break;
|
|
}
|
|
|
|
return $dql;
|
|
}
|
|
/**
|
|
* fetchRelatedFor
|
|
*
|
|
* fetches a component related to given record
|
|
*
|
|
* @param Doctrine_Record $record
|
|
* @return Doctrine_Record|Doctrine_Collection
|
|
*/
|
|
public function fetchRelatedFor(Doctrine_Record $record)
|
|
{
|
|
$id = $record->getIncremented();
|
|
if (empty($id)) {
|
|
$coll = new Doctrine_Collection($this->getTable());
|
|
} else {
|
|
$coll = Doctrine_Query::create()->parseQuery($this->getRelationDql(1))->execute(array($id));
|
|
}
|
|
return $coll;
|
|
}
|
|
}
|