Continued:
[core.git] / inc / main / classes / filter / change / class_EmailChangeFilter.php
1 <?php
2 // Own namespace
3 namespace CoreFramework\Filter\Change\Email;
4
5 // Import framework stuff
6 use CoreFramework\Registry\Generic\Registry;
7
8 /**
9  * A filter for detecting email changes
10  *
11  * @author              Roland Haeder <webmaster@shipsimu.org>
12  * @version             0.0.0
13  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
14  * @license             GNU GPL 3.0 or any newer version
15  * @link                http://www.shipsimu.org
16  *
17  * This program is free software: you can redistribute it and/or modify
18  * it under the terms of the GNU General Public License as published by
19  * the Free Software Foundation, either version 3 of the License, or
20  * (at your option) any later version.
21  *
22  * This program is distributed in the hope that it will be useful,
23  * but WITHOUT ANY WARRANTY; without even the implied warranty of
24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
25  * GNU General Public License for more details.
26  *
27  * You should have received a copy of the GNU General Public License
28  * along with this program. If not, see <http://www.gnu.org/licenses/>.
29  */
30 class EmailChangeFilter extends BaseFilter implements Filterable {
31         /**
32          * Protected constructor
33          *
34          * @return      void
35          */
36         protected function __construct () {
37                 // Call parent constructor
38                 parent::__construct(__CLASS__);
39         }
40
41         /**
42          * Creates an instance of this filter class
43          *
44          * @return      $filterInstance                 An instance of this filter class
45          */
46         public static final function createEmailChangeFilter () {
47                 // Get a new instance
48                 $filterInstance = new EmailChangeFilter();
49
50                 // Return the instance
51                 return $filterInstance;
52         }
53
54         /**
55          * Executes the filter with given request and response objects
56          *
57          * @param       $requestInstance        An instance of a class with an Requestable interface
58          * @param       $responseInstance       An instance of a class with an Responseable interface
59          * @return      void
60          * @throws      FilterChainException    If this filter fails to operate
61          * @todo        Implement email change of the user here. HINT: Use the User class!
62          */
63         public function execute (Requestable $requestInstance, Responseable $responseInstance) {
64                 // Get both emails
65                 $email1 = $requestInstance->getRequestElement('email1');
66                 $email2 = $requestInstance->getRequestElement('email2');
67
68                 // Is only first email set?
69                 if ((!empty($email1)) && (empty($email2))) {
70                         // Request is invalid!
71                         $requestInstance->requestIsValid(FALSE);
72
73                         // Email 2 is empty
74                         $responseInstance->addFatalMessage('email2_empty');
75
76                         // Stop processing here
77                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
78                 } // END - if
79
80                 // Is only second email set?
81                 if ((empty($email1)) && (!empty($email2))) {
82                         // Request is invalid!
83                         $requestInstance->requestIsValid(FALSE);
84
85                         // Email 1 is empty
86                         $responseInstance->addFatalMessage('email1_empty');
87
88                         // Stop processing here
89                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
90                 } // END - if
91
92                 // Do both match?
93                 if ($email1 != $email2) {
94                         // Request is invalid!
95                         $requestInstance->requestIsValid(FALSE);
96
97                         // Emails are mismatching
98                         $responseInstance->addFatalMessage('emails_mismatch');
99
100                         // Stop processing here
101                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
102                 } // END - if
103
104                 // Are email and confirmation empty?
105                 if ((empty($email1)) && (empty($email2))) {
106                         // No email change required!
107                         return TRUE;
108                 } // END - if
109
110                 // Now, get a user instance for comparison
111                 $userInstance = Registry::getRegistry()->getInstance('user');
112
113                 // Get the email field
114                 $userEmail = $userInstance->getField('email');
115
116                 // Are they different?
117                 if ($userEmail == $email1) {
118                         // Nothing has been changed is fine...
119                         return TRUE;
120                 } // END - if
121
122                 // Update the "new_email" field
123                 $this->partialStub('Unfinished part.');
124         }
125
126 }