78 lines
1.9 KiB
PHP
78 lines
1.9 KiB
PHP
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<?php
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/*
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* This file is part of Simple Validator.
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*
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* (c) Frédéric Guillot <contact@fredericguillot.com>
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*
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* This source file is subject to the MIT license that is bundled
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* with this source code in the file LICENSE.
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*/
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namespace SimpleValidator\Validators;
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use SimpleValidator\Base;
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/**
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* @author Frédéric Guillot <contact@fredericguillot.com>
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*/
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class Unique extends Base
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{
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private $pdo;
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private $primary_key;
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private $table;
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public function __construct($field, $error_message, \PDO $pdo, $table, $primary_key = 'id')
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{
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parent::__construct($field, $error_message);
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$this->pdo = $pdo;
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$this->primary_key = $primary_key;
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$this->table = $table;
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}
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public function execute(array $data)
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{
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if (isset($data[$this->field]) && $data[$this->field] !== '') {
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if (! isset($data[$this->primary_key])) {
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$rq = $this->pdo->prepare('SELECT COUNT(*) FROM '.$this->table.' WHERE '.$this->field.'=?');
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$rq->execute(array(
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$data[$this->field]
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));
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$result = $rq->fetch(\PDO::FETCH_NUM);
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if (isset($result[0]) && $result[0] === '1') {
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return false;
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}
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}
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else {
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$rq = $this->pdo->prepare(
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'SELECT COUNT(*) FROM '.$this->table.'
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WHERE '.$this->field.'=? AND '.$this->primary_key.' != ?'
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);
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$rq->execute(array(
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$data[$this->field],
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$data[$this->primary_key]
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));
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$result = $rq->fetch(\PDO::FETCH_NUM);
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if (isset($result[0]) && $result[0] === '1') {
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return false;
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}
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}
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}
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return true;
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}
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}
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