e024d8f9a73a8dfc5e1254d2b6acb4f0283dd993
[core.git] / inc / classes / main / filter / verifier / class_BirthdayVerifierFilter.php
1 <?php
2 /**
3  * A verifier filter for birthday data
4  *
5  * @author              Roland Haeder <webmaster@shipsimu.org>
6  * @version             0.0.0
7  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Core Developer Team
8  * @license             GNU GPL 3.0 or any newer version
9  * @link                http://www.shipsimu.org
10  *
11  * This program is free software: you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation, either version 3 of the License, or
14  * (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program. If not, see <http://www.gnu.org/licenses/>.
23  */
24 class BirthdayVerifierFilter extends BaseFilter implements Filterable {
25         /**
26          * Protected constructor
27          *
28          * @return      void
29          */
30         protected function __construct () {
31                 // Call parent constructor
32                 parent::__construct(__CLASS__);
33         }
34
35         /**
36          * Creates an instance of this filter class
37          *
38          * @return      $filterInstance                 An instance of this filter class
39          */
40         public static final function createBirthdayVerifierFilter () {
41                 // Get a new instance
42                 $filterInstance = new BirthdayVerifierFilter();
43
44                 // Return the instance
45                 return $filterInstance;
46         }
47
48         /**
49          * Executes the filter with given request and response objects
50          *
51          * @param       $requestInstance        An instance of a class with an Requestable interface
52          * @param       $responseInstance       An instance of a class with an Responseable interface
53          * @return      void
54          */
55         public function execute (Requestable $requestInstance, Responseable $responseInstance) {
56                 // Day of birth set?
57                 if (!$requestInstance->isRequestElementSet('birth_day')) {
58                         // Day of birth isn't set
59                         $requestInstance->requestIsValid(false);
60
61                         // Add a message to the response
62                         $responseInstance->addFatalMessage('day_of_birth_unset');
63                 } // END - if
64
65                 // Month of birth set?
66                 if (!$requestInstance->isRequestElementSet('birth_month')) {
67                         // Month of birth isn't set
68                         $requestInstance->requestIsValid(false);
69
70                         // Add a message to the response
71                         $responseInstance->addFatalMessage('month_of_birth_unset');
72                 } // END - if
73
74                 // Year of birth set?
75                 if (!$requestInstance->isRequestElementSet('birth_year')) {
76                         // Year of birth isn't set
77                         $requestInstance->requestIsValid(false);
78
79                         // Add a message to the response
80                         $responseInstance->addFatalMessage('year_of_birth_unset');
81                 } // END - if
82
83                 // Is the request still valid?
84                 if (!$requestInstance->isRequestValid()) {
85                         // Abort here
86                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
87                 } // END - if
88
89                 // Now comes the final check
90                 $birthCheck = mktime(
91                         0,
92                         0,
93                         0,
94                         $requestInstance->getRequestElement('birth_day'),
95                         $requestInstance->getRequestElement('birth_month'),
96                         $requestInstance->getRequestElement('birth_year')
97                 );
98
99                 // Is there a number or such? (we don't care about the value itself here)
100                 if (empty($birthCheck)) {
101                         // Validation has failed
102                         $requestInstance->requestIsValid(false);
103
104                         // Add a message to the response
105                         $responseInstance->addFatalMessage('birthday_invalid');
106
107                         // Abort here
108                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
109                 } // END - if
110         }
111 }
112
113 // [EOF]
114 ?>