1: <?php
 2: /**
 3:  * Copyright 2013-2014 Horde LLC (http://www.horde.org/)
 4:  *
 5:  * See the enclosed file COPYING for license information (GPL). If you
 6:  * did not receive this file, see http://www.horde.org/licenses/gpl.
 7:  *
 8:  * @category  Horde
 9:  * @copyright 2013-2014 Horde LLC
10:  * @license   http://www.fsf.org/copyleft/gpl.html GPL
11:  * @package   IMP
12:  */
13: 
14: /**
15:  * Generates a contact image to use for a given e-mail address.
16:  *
17:  * @author    Michael Slusarz <slusarz@horde.org>
18:  * @category  Horde
19:  * @copyright 2013-2014 Horde LLC
20:  * @license   http://www.horde.org/licenses/gpl GPL
21:  * @package   IMP
22:  */
23: class IMP_Contacts_Image
24: {
25:     /* Image types. */
26:     const AVATAR = 1;
27:     const FLAG = 2;
28: 
29:     /**
30:      * The e-mail address.
31:      *
32:      * @var string
33:      */
34:     protected $_email;
35: 
36:     /**
37:      * Constructor.
38:      *
39:      * @param string $email  The e-mail address.
40:      */
41:     public function __construct($email)
42:     {
43:         $this->_email = $email;
44:     }
45: 
46:     /**
47:      * Return the data representing the contact image.
48:      *
49:      * @param integer $type  The image type.
50:      *
51:      * @return array  Array with the following keys:
52:      *   - desc: (string) Description.
53:      *   - url: (Horde_Url|Horde_Url_Data) URL object.
54:      *
55:      * @throws IMP_Exception
56:      */
57:     public function getImage($type)
58:     {
59:         global $conf;
60: 
61:         if (!empty($conf['contactsimage']['backends'])) {
62:             switch ($type) {
63:             case self::AVATAR:
64:                 $func = 'avatarImg';
65:                 $type = 'IMP_Contacts_Avatar_Backend';
66:                 break;
67: 
68:             case self::FLAG:
69:                 $func = 'flagImg';
70:                 $type = 'IMP_Contacts_Flag_Backend';
71:                 break;
72:             }
73: 
74:             foreach ($conf['contactsimage']['backends'] as $val) {
75:                 if (class_exists($val)) {
76:                     $backend = new $val();
77:                     if (($backend instanceof $type) &&
78:                         ($url = $backend->$func($this->_email))) {
79:                         return $url;
80:                     }
81:                 }
82:             }
83:         }
84: 
85:         throw new IMP_Exception('No backend found to generate contact image.');
86:     }
87: 
88: }
89: