# Coverage for Doctrine_Validator_Unique

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1 | <?php
2 | /*
3 | * $Id: Unique.php 2702 2007-10-03 21:43:22Z Jonathan.Wage $
4 | *
5 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
6 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
7 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
8 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
9 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
10 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
11 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
12 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
13 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
14 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
15 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
16 | *
17 | * This software consists of voluntary contributions made by many individuals
18 | * and is licensed under the LGPL. For more information, see
19 | * <http://www.phpdoctrine.org>.
20 | */
21 |
22 | /**
23 | * Doctrine_Validator_Unique
24 | *
25 | * @package Doctrine
26 | * @subpackage Validator
27 | * @license http://www.opensource.org/licenses/lgpl-license.php LGPL
28 | * @link www.phpdoctrine.org
29 | * @since 1.0
30 | * @version $Revision: 2702 $
31 | * @author Konsta Vesterinen <kvesteri@cc.hut.fi>
32 | */
33 | class Doctrine_Validator_Unique
34 | {
35 | /**
36 | * checks if given value is unique
37 | *
38 | * @param mixed $value
39 | * @return boolean
40 | */
41 | public function validate($value)
42 | {
43 | $table = $this->invoker->getTable();
44 | $pks = $table->getIdentifier();
45 |
46 | if ( is_array($pks) ) {
47 | $pks = join(',', $pks);
48 | }
49 |
50 | $sql = 'SELECT ' . $pks . ' FROM ' . $table->getTableName() . ' WHERE ' . $this->field . ' = ?';
51 |
52 | $values = array();
53 | $values[] = $value;
54 |
55 | // If the record is not new we need to add primary key checks because its ok if the
56 | // unique value already exists in the database IF the record in the database is the same
57 | // as the one that is validated here.
58 | $state = $this->invoker->state();
59 | if ( ! ($state == Doctrine_Record::STATE_TDIRTY || $state == Doctrine_Record::STATE_TCLEAN)) {
60 | foreach ((array) $table->getIdentifier() as $pk) {
61 | $sql .= " AND {$pk} != ?";
62 | $values[] = $this->invoker->$pk;
63 | }
64 | }
65 |
66 | $stmt = $table->getConnection()->getDbh()->prepare($sql);
67 | $stmt->execute($values);
68 |
69 | return ( ! is_array($stmt->fetch()));
70 | }
71 | }