1: <?php
 2: 
 3: App::uses('AppModel', 'Model');
 4: 
 5: class AuthenticationUser extends AppModel {
 6: 
 7:     private static $settings;
 8: 
 9:     public static function configure($settings) {
10:         self::$settings = $settings;
11:     }
12: 
13:     public $useTable = false;
14: 
15:     public function findByUsername($username) {
16:         return $this->_findBy(self::$settings['usernameField'], $username);
17:     }
18: 
19:     public function findByEmail($email) {
20:         return $this->_findBy(self::$settings['emailField'], $email);
21:     }
22: 
23:     public function findById($id) {
24:         $model = ClassRegistry::init(self::$settings['userModel']);
25:         return $this->_findBy($model->primaryKey, $id);
26:     }
27: 
28:     public function changePassword($id, $password) {
29:         $model = ClassRegistry::init(self::$settings['userModel']);
30:         $user = $model->find(
31:                 'first', array(
32:             'conditions' => array(
33:                 "{$model->alias}.{$model->primaryKey}" => $id
34:             )
35:         ));
36:         $user[$model->alias][self::$settings['passwordField']] = $password;
37:         return $model->save($user);
38:     }
39: 
40:     private function _findBy($field, $value) {
41:         $model = ClassRegistry::init(self::$settings['userModel']);
42:         $result = $model->find(
43:                 'first', array(
44:             'conditions' => array(
45:                 "{$model->alias}.$field" => $value
46:             )
47:         ));
48:         return $this->_toAuthenticationUser($result);
49:     }
50: 
51:     private function _toAuthenticationUser($user) {
52:         if (empty($user)) {
53:             return false;
54:         } else {
55:             $model = ClassRegistry::init(self::$settings['userModel']);
56:             return array(
57:                 $this->alias => array(
58:                     'id' => $user[$model->alias][$model->primaryKey],
59:                     'username' => $user[$model->alias][self::$settings['usernameField']],
60:                     'email' => $user[$model->alias][self::$settings['emailField']],
61:                     'active' => $user[$model->alias][self::$settings['activeField']],
62:                     'password' => $user[$model->alias][self::$settings['passwordField']],
63:                 )
64:             );
65:         }
66:     }
67: 
68: }