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VikAppointments Services Booking Calendar / trunk
VikAppointments Services Booking Calendar vtrunk
trunk 1.2.17 1.2.18 1.2.19
vikappointments / admin / models / updateprogram.php
vikappointments / admin / models Last commit date
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updateprogram.php
158 lines
1 <?php
2 /**
3 * @package VikAppointments
4 * @subpackage core
5 * @author E4J s.r.l.
6 * @copyright Copyright (C) 2021 E4J s.r.l. All Rights Reserved.
7 * @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
8 * @link https://vikwp.com
9 */
10
11 // No direct access
12 defined('ABSPATH') or die('No script kiddies please!');
13
14 VAPLoader::import('libraries.mvc.model');
15
16 /**
17 * VikAppointments update program model.
18 *
19 * @since 1.7
20 */
21 class VikAppointmentsModelUpdateprogram extends JModelVAP
22 {
23 /**
24 * Checks whether there's a registered system able to
25 * handle the updates of the program.
26 *
27 * @return boolean
28 */
29 public function isSupported()
30 {
31 /**
32 * Get internal event dispatcher to automatically
33 * include the parameters array, which will be used
34 * to fetch the version of the program.
35 *
36 * @see VAPFactory
37 *
38 * @since 1.7
39 */
40 $dispatcher = VAPFactory::getEventDispatcher();
41
42 // try to get a cached response
43 return $dispatcher->is('onUpdaterSupported');
44 }
45
46 /**
47 * Checks whether the system registered some details about
48 * the latest version of the program.
49 *
50 * @return object An object containing the resulting details.
51 */
52 public function getVersionDetails()
53 {
54 /**
55 * Get internal event dispatcher to automatically
56 * include the parameters array, which will be used
57 * to fetch the version of the program.
58 *
59 * @see VAPFactory
60 *
61 * @since 1.7
62 */
63 $dispatcher = VAPFactory::getEventDispatcher();
64
65 // try to get a cached response
66 return $dispatcher->triggerOnce('onGetVersionContents');
67 }
68
69 /**
70 * Validates the current version of VikAppointments against the
71 * latest one stored on the manufacturer servers.
72 *
73 * @param boolean $cache True to look for a cached response.
74 *
75 * @return object An object containing the resulting details.
76 */
77 public function checkVersion($cache = false)
78 {
79 if ($cache)
80 {
81 // try to get a cached response
82 $result = $this->getVersionDetails();
83
84 if ($result)
85 {
86 // cached result, return it
87 return $result;
88 }
89 }
90
91 /**
92 * Get internal event dispatcher to automatically
93 * include the parameters array, which will be used
94 * to fetch the version of the program.
95 *
96 * @see VAPFactory
97 *
98 * @since 1.7
99 */
100 $dispatcher = VAPFactory::getEventDispatcher();
101
102 // make request
103 $result = $dispatcher->triggerOnce('onCheckVersion');
104
105 if (!$result)
106 {
107 // use empty "failure" placeholder
108 $result = new stdClass;
109 $result->status = 0;
110 }
111
112 return $result;
113 }
114
115 /**
116 * Launches the update to the latest available version.
117 *
118 * @return boolean True on success, false otherwise.
119 */
120 public function doUpdate()
121 {
122 /**
123 * Get internal event dispatcher to automatically
124 * include the parameters array, which will be used
125 * to fetch the version of the program.
126 *
127 * @see VAPFactory
128 *
129 * @since 1.7
130 */
131 $dispatcher = VAPFactory::getEventDispatcher();
132
133 $status = false;
134
135 try
136 {
137 // trigger update and search for a positive result
138 $status = $dispatcher->is('onDoUpdate');
139
140 if (!$status)
141 {
142 // The plugin never returns FALSE, because
143 // in case of errors an exception is thrown.
144 // For this reason, if we are here, probably
145 // the plugin hasn't been enabled.
146 $this->setError('Updater plugin disabled.');
147 }
148 }
149 catch (Exception $e)
150 {
151 // an error occurred while updating
152 $this->setError($e->getMessage());
153 }
154
155 return $status;
156 }
157 }
158