1 <?php
2
3 /**
4 * The MIT License
5 *
6 * Copyright 2014 George Marques <george at georgemarques.com.br>.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 * THE SOFTWARE.
25 */
26
27 namespace Flikore\Validator\Validators;
28
29 /**
30 * Validates that the given date is at least a certain number of years ago.
31 *
32 * @customKey <i>%minAge%</i> The minimum valid age.
33 *
34 * @author George Marques <george at georgemarques.com.br>
35 * @version 0.5.2
36 * @since 0.3
37 * @license http://opensource.org/licenses/MIT MIT
38 * @copyright (c) 2014, George Marques
39 * @package Flikore\Validator
40 */
41 class MinAgeValidator extends \Flikore\Validator\Validator
42 {
43
44 /**
45 * The minimum valid age.
46 * @var int The minimum valid age.
47 */
48 protected $minAge;
49
50 /**
51 * The error message for this validator.
52 * @var string The error message for this validator.
53 */
54 protected $message = 'The %key% must be older than %minAge% years.';
55
56 /**
57 * Creates a new Date Validator.
58 * @param int $minAge The minimum valid age.
59 */
60 public function __construct($minAge)
61 {
62 if(!is_numeric($minAge))
63 {
64 throw new \InvalidArgumentException('The minimum age must be a number.');
65 }
66
67 $this->minAge = (int) $minAge;
68 $this->addKeyValue('minAge', $this->minAge);
69 }
70
71 /**
72 * Executes the real validation so it can be reused.
73 * @param mixed $value The value to validate.
74 * @return boolean Whether the value pass the validation.
75 */
76 protected function doValidate($value)
77 {
78 //ignore empty values
79 if ($this->isEmpty($value))
80 {
81 return true;
82 }
83
84 // Validate the given value as a valid date.
85 $v = new DateTimeValidator();
86 if(!$v->validate($value))
87 {
88 return false;
89 }
90
91 $givenDate = $value;
92 if(!($givenDate instanceof \DateTime))
93 {
94 $givenDate = new \DateTime($value);
95 }
96
97 $ageDate = new \DateTime(date(DATE_ISO8601, strtotime('-' . $this->minAge . ' years')));
98
99 return $givenDate <= $ageDate;
100 }
101
102 }
103