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doctrine2/lib/Doctrine/Resource/Record.php
2007-09-25 21:39:38 +00:00

351 lines
11 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_Resource_Record
*
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
* @author Jonathan H. Wage <jwage@mac.com>
* @package Doctrine
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @version $Revision$
* @category Object Relational Mapping
* @link www.phpdoctrine.com
* @since 1.0
*/
class Doctrine_Resource_Record extends Doctrine_Resource_Access implements Countable, IteratorAggregate
{
protected $_data = array();
protected $_model = null;
protected $_changes = array();
public function __construct($model, $loadRelations = true)
{
$this->_model = $model;
$this->initialize($loadRelations);
}
public function clearChanges()
{
$this->_changes = array();
}
public function initialize($loadRelations = true)
{
$schema = $this->getTable()->getSchema();
$relations = $schema['relations'];
if (isset($schema['columns'])) {
$columns = $schema['columns'];
foreach ($columns as $column) {
if (!isset($this->_data[$column['name']]) || $this->_data[$column['name']]) {
$this->_data[$column['name']] = null;
}
}
}
if (isset($schema['relations']) && $loadRelations) {
$relations = $schema['relations'];
foreach ($relations as $relation) {
if ($relation['type'] === Doctrine_Relation::ONE) {
$this->_data[$relation['alias']] = new $relation['class'](false);
} else {
$this->_data[$relation['alias']] = new Doctrine_Resource_Collection($relation['class']);
$this->_data[$relation['alias']]->setParent($this);
}
}
}
}
public function getConfig($key = null)
{
return Doctrine_Resource_Client::getInstance()->getConfig($key);
}
public function get($key)
{
if (!$key) {
return;
}
if (!isset($this->_data[$key]) && $this->getTable()->hasRelation($key)) {
$this->_data[$key] = $this->createRelation($key);
}
if (!array_key_exists($key, $this->_data)) {
throw new Doctrine_Resource_Exception('Unknown property / related component: '.$key);
}
return $this->_data[$key];
}
public function set($key, $value)
{
if (!$key) {
return;
}
if (!isset($this->_data[$key]) && $this->getTable()->hasRelation($key)) {
$this->_data[$key] = $this->createRelation($key);
}
if (!array_key_exists($key, $this->_data)) {
throw new Doctrine_Resource_Exception('Unknown property / related component: '.$key);
}
if ($this->_data[$key] != $value && !$value instanceof Doctrine_Resource_Record && !$value instanceof Doctrine_Resource_Collection) {
$this->_changes[$key] = $value;
}
$this->_data[$key] = $value;
}
public function createRelation($key)
{
$relation = $this->getTable()->getRelation($key);
$class = $relation['class'];
if ($relation['type'] === Doctrine_Relation::ONE) {
$return = new $class(false);
$table = $return->getTable();
$returnRelation = $table->getRelationByClassName(get_class($this));
if ($returnRelation) {
$returnClass = new $returnRelation['class'](false);
$return->set($returnRelation['alias'], $returnClass);
}
} else {
$return = new Doctrine_Resource_Collection($class);
$return->setParent($this);
}
return $return;
}
public function count()
{
return count($this->_data);
}
public function getIterator()
{
return new ArrayIterator($this->_data);
}
public function sameAs(Doctrine_Resource_Record $record)
{
// If we have same class name
if (get_class($this) == get_class($record)) {
// If we have 2 records that exist and are persistant
if ($record->exists() && $this->exists()) {
if ($record->identifier() === $this->identifier()) {
return true;
} else {
return false;
}
// If we have unsaved records then lets compare the data
} else {
if ($record->toArray(false) === $this->toArray(false)) {
return true;
} else {
return false;
}
}
} else {
return false;
}
}
public function getChanges()
{
global $gotten;
if (!$gotten) {
$gotten = array();
}
$md5Hash = $this->getMd5Hash();
if (!in_array($md5Hash, $gotten)) {
$gotten[] = $md5Hash;
}
$array = array();
foreach ($this->_data as $key => $value) {
if ($this->getTable()->hasRelation($key)) {
$relation = $this->getTable()->getRelation($key);
if ($value instanceof Doctrine_Resource_Record) {
if ($value->hasChanges() && !in_array($value->getMd5Hash(), $gotten)) {
$array[$key] = $value->getChanges();
}
} else if($value instanceof Doctrine_Resource_Collection) {
foreach ($value as $key2 => $record) {
if ($record->hasChanges() && !in_array($record->getMd5Hash(), $gotten)) {
$array[$key][$record->getModel() . '_' .$key2] = $record->getChanges();
}
}
}
} else if ($this->getTable()->hasColumn($key)) {
if (isset($this->_changes[$key])) {
$array[$key] = $value;
}
}
}
$identifier = $this->identifier();
$array = array_merge($identifier, $array);
return $array;
}
public function hasChanges()
{
return !empty($this->_changes) ? true:false;
}
public function save()
{
$format = $this->getConfig('format');
$request = new Doctrine_Resource_Request();
$request->set('format', $format);
$request->set('type', 'save');
$request->set('model', $this->getModel());
$request->set('data', $this->getChanges());
$request->set('identifier', $this->identifier());
$response = $request->execute();
$this->_data = $request->hydrate(array($response), $this->_model, array($this))->getFirst()->_data;
$this->clearChanges();
}
public function delete()
{
$format = $this->getConfig('format');
$request = new Doctrine_Resource_Request();
$request->set('format', $format);
$request->set('type', 'delete');
$request->set('model', $this->getModel());
$request->set('identifier', $this->identifier());
$response = $request->execute();
}
public function getTable()
{
$model = $this->_model;
return Doctrine_Resource_Client::getInstance()->getTable($model);
}
public function getModel()
{
return $this->_model;
}
public function identifier()
{
$identifier = array();
$schema = $this->getTable()->getSchema();
$columns = $schema['columns'];
if (isset($columns) && is_array($columns)) {
foreach ($columns as $name => $column) {
if ($column['primary'] == true) {
$identifier[$name] = $this->_data[$name];
}
}
}
return $identifier;
}
public function exists()
{
$identifier = $this->identifier();
foreach ($identifier as $key => $value) {
if (!$value) {
return false;
}
}
return true;
}
public function toArray($deep = false)
{
global $gotten;
if (!$gotten) {
$gotten = array();
}
$md5Hash = $this->getMd5Hash();
if (!in_array($md5Hash, $gotten)) {
$gotten[] = $md5Hash;
}
$array = array();
foreach ($this->_data as $key => $value) {
if ($deep && $this->getTable()->hasRelation($key)) {
if ($value instanceof Doctrine_Resource_Collection) {
if ($value->count() > 0) {
foreach ($value as $key2 => $record) {
if (($record->exists() || $record->hasChanges()) && !in_array($record->getMd5Hash(), $gotten)) {
$array[$key][get_class($record) . '_' . $key2] = $record->toArray($deep);
}
}
}
} else if ($value instanceof Doctrine_Resource_Record) {
if (($value->exists() || $value->hasChanges()) && !in_array($value->getMd5Hash(), $gotten)) {
$array[$key] = $value->toArray($deep);
}
}
} else if (!$this->getTable()->hasRelation($key) && $this->getTable()->hasColumn($key)) {
$array[$key] = $value;
}
}
return $array;
}
public function getMd5Hash()
{
return md5(serialize($this->_data));
}
}