Add a unique object constraint validator
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70
Validator/Constraints/UniqueObject.php
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70
Validator/Constraints/UniqueObject.php
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<?php
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/**
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* This file is part of the PropelBundle package.
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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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* @license MIT License
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*/
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namespace Propel\PropelBundle\Validator\Constraints;
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use Symfony\Component\Validator\Constraint;
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use Symfony\Component\Validator\ConstraintValidator;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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/**
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* Constraint for the Unique Object validator
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*
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* @author Maxime AILLOUD <maxime.ailloud@gmail.com>
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*/
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class UniqueObject extends Constraint
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{
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/**
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* @var array
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*/
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public $fields = array();
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/**
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* @return array
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*/
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public function getRequiredOptions()
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{
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return array('fields');
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}
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/**
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* The validator must be defined as a service with this name.
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*
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* @return string
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*/
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public function validatedBy()
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{
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return get_class($this).'Validator';
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}
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/**
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* {@inheritDoc}
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*/
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public function getTargets()
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{
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return self::CLASS_CONSTRAINT;
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}
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/**
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* @return string
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*/
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public function getDefaultOption()
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{
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return 'fields';
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}
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/**
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* @return string
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*/
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public function getMessage()
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{
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return 'A ' . $this->groups[1] . ' object already exists';
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}
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}
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77
Validator/Constraints/UniqueObjectValidator.php
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77
Validator/Constraints/UniqueObjectValidator.php
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<?php
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/**
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* This file is part of the PropelBundle package.
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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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* @license MIT License
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*/
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namespace Propel\PropelBundle\Validator\Constraints;
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use Symfony\Component\Validator\Constraint;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
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use Symfony\Component\Validator\ConstraintValidator;
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/**
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* Unique Object Validator checks if one or a set of fields contain unique values.
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*
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* @author Maxime AILLOUD <maxime.ailloud@gmail.com>
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*/
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class UniqueObjectValidator extends ConstraintValidator
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{
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/**
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* @param object $object
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* @param \Symfony\Component\Validator\Constraint $constraint
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* @return Boolean
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*/
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public function isValid($object, Constraint $constraint)
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{
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if (!is_array($constraint->fields) && !is_string($constraint->fields)) {
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throw new UnexpectedTypeException($constraint->fields, 'array');
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}
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$fields = (array)$constraint->fields;
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if (count($fields) == 0) {
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throw new ConstraintDefinitionException("At least one field must be specified.");
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}
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$class = get_class($object);
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$peerClass = $class . 'Peer';
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$queryClass = $class . 'Query';
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$classFields = $peerClass::getFieldNames(\BasePeer::TYPE_FIELDNAME);
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foreach ($fields as $fieldName) {
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if(!array_search($fieldName, $classFields)) {
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throw new ConstraintDefinitionException('The field "' . $fieldName .'" doesn\'t exist in the "' . $class . '" class.');
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}
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}
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$bddUsersQuery = $queryClass::create();
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foreach ($fields as $fieldName) {
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$bddUsersQuery->filterBy($peerClass::translateFieldName($fieldName, \BasePeer::TYPE_FIELDNAME, \BasePeer::TYPE_PHPNAME), $object->getByName($fieldName, \BasePeer::TYPE_FIELDNAME));
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}
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$bddUsers = $bddUsersQuery->find();
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$countUser = count($bddUsers);
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if ($countUser > 1 || ($countUser === 1 && $object !== $bddUsers[0])) {
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$constraintMessage = $constraint->getMessage();
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$constraintMessage .= ' with';
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foreach ($fields as $fieldName) {
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$constraintMessage .= ' ' . $peerClass::translateFieldName($fieldName, \BasePeer::TYPE_FIELDNAME, \BasePeer::TYPE_PHPNAME) . ' "' . $object->getByName($fieldName, \BasePeer::TYPE_FIELDNAME) . '" and';
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}
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$constraintMessage = substr($constraintMessage, 0, -4) . '.';
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$this->setMessage($constraintMessage);
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return false;
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}
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return true;
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}
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}
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