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<?php
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/*
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* This file is part of the symfony package.
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* (c) Fabien Potencier <fabien.potencier@symfony-project.com>
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* (c) Jonathan H. Wage <jonwage@gmail.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* sfValidatorDoctrineChoice validates that the value is one of the rows of a table.
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*
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* @package symfony
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* @subpackage doctrine
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* @author Fabien Potencier <fabien.potencier@symfony-project.com>
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* @author Jonathan H. Wage <jonwage@gmail.com>
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* @version SVN: $Id: sfValidatorDoctrineChoice.class.php 27736 2010-02-08 14:50:13Z Kris.Wallsmith $
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*/
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class sfValidatorDoctrineChoice extends sfValidatorBase
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{
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/**
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* Configures the current validator.
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*
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* Available options:
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*
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* * model: The model class (required)
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* * query: A query to use when retrieving objects
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* * column: The column name (null by default which means we use the primary key)
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* must be in field name format
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* * multiple: true if the select tag must allow multiple selections
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* * min: The minimum number of values that need to be selected (this option is only active if multiple is true)
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* * max: The maximum number of values that need to be selected (this option is only active if multiple is true)
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*
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* @see sfValidatorBase
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*/
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protected function configure($options = array(), $messages = array())
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{
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$this->addRequiredOption('model');
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$this->addOption('query', null);
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$this->addOption('column', null);
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$this->addOption('multiple', false);
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$this->addOption('min');
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$this->addOption('max');
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$this->addMessage('min', 'At least %min% values must be selected (%count% values selected).');
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$this->addMessage('max', 'At most %max% values must be selected (%count% values selected).');
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}
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/**
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* @see sfValidatorBase
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*/
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protected function doClean($value)
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{
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if ($query = $this->getOption('query'))
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{
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$query = clone $query;
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}
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else
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{
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$query = Doctrine_Core::getTable($this->getOption('model'))->createQuery();
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}
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if ($this->getOption('multiple'))
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{
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if (!is_array($value))
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{
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$value = array($value);
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}
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if (isset($value[0]) && !$value[0])
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{
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unset($value[0]);
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}
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$count = count($value);
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if ($this->hasOption('min') && $count < $this->getOption('min'))
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{
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throw new sfValidatorError($this, 'min', array('count' => $count, 'min' => $this->getOption('min')));
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}
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if ($this->hasOption('max') && $count > $this->getOption('max'))
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{
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throw new sfValidatorError($this, 'max', array('count' => $count, 'max' => $this->getOption('max')));
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}
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$query->andWhereIn(sprintf('%s.%s', $query->getRootAlias(), $this->getColumn()), $value);
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if ($query->count() != count($value))
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{
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throw new sfValidatorError($this, 'invalid', array('value' => $value));
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}
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}
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else
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{
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$query->andWhere(sprintf('%s.%s = ?', $query->getRootAlias(), $this->getColumn()), $value);
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if (!$query->count())
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{
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throw new sfValidatorError($this, 'invalid', array('value' => $value));
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}
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}
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return $value;
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}
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/**
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* Returns the column to use for comparison.
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*
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* The primary key is used by default.
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*
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* @return string The column name
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*/
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protected function getColumn()
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{
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$table = Doctrine_Core::getTable($this->getOption('model'));
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if ($this->getOption('column'))
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{
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$columnName = $this->getOption('column');
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}
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else
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{
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$identifier = (array) $table->getIdentifier();
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$columnName = current($identifier);
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}
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return $table->getColumnName($columnName);
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}
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}
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