1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2008 Bharat Mediratta
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
/**
* This is the API for handling modules.
*
* Note: by design, this class does not do any permission checking.
*/
class module_Core {
private static $module_names = array();
private static $modules = array();
public static function get_version($module_name) {
return ORM::factory("module")->where("name", $module_name)->find()->version;
}
public static function set_version($module_name, $version) {
$module = ORM::factory("module")->where("name", $module_name)->find();
if (!$module->loaded) {
$module->name = $module_name;
}
$module->version = 1;
$module->save();
Kohana::log("debug", "$module_name: version is now $version");
}
public static function get($module_name) {
return ORM::factory("module")->where("name", $module_name)->find();
}
public static function delete ($module_name) {
$module = ORM::factory("module")->where("name", $module_name)->find();
$module_id = $module->id;
$module->delete();
$db = Database::instance();
$db->query("DELETE FROM vars WHERE module_id = '{$module->id}';");
Kohana::log("debug", "$module_name: module deleted");
}
public static function is_installed($module_name) {
return in_array($module_name, self::$module_names);
}
public static function installed() {
return self::$modules;
}
public static function event($name, &$data=null) {
foreach (self::installed() as $module) {
$class = "{$module->name}_event";
$function = str_replace(".", "_", $name);
if (method_exists($class, $function)) {
call_user_func_array(array($class, $function), array(&$data));
}
}
}
public static function available() {
$modules = array();
foreach (glob(MODPATH . "*/helpers/*_installer.php") as $file) {
if (empty($modules[basename(dirname(dirname($file)))])) {
$modules[basename(dirname(dirname($file)))] = 0;
}
}
return $modules;
}
public static function install($module_name) {
$installer_class = "{$module_name}_installer";
Kohana::log("debug", "$installer_class install (initial)");
if ($module_name != "core") {
require_once(DOCROOT . "modules/${module_name}/helpers/{$installer_class}.php");
}
$kohana_modules = Kohana::config('core.modules');
$kohana_modules[] = MODPATH . $module_name;
Kohana::config_set('core.modules', $kohana_modules);
call_user_func(array($installer_class, "install"));
if (method_exists($installer_class, "install")) {
call_user_func_array(array($installer_class, "install"), array());
}
self::load_modules();
}
public static function uninstall($module_name) {
$installer_class = "{$module_name}_installer";
Kohana::log("debug", "$installer_class uninstall");
call_user_func(array($installer_class, "uninstall"));
}
public static function load_modules() {
// This is one of the first database operations that we'll do, so it may fail if there's no
// install yet. Try to handle this situation gracefully expecting that the scaffolding will
// Do The Right Thing.
//
// @todo get rid of this extra error checking when we have an installer.
set_error_handler(array("module", "_dummy_error_handler"));
// Reload module list from the config file since we'll do a refresh after calling install()
$core = Kohana::config_load('core');
$kohana_modules = $core['modules'];
self::$module_names = array();
self::$modules = array();
try {
foreach (ORM::factory("module")->find_all() as $module) {
self::$module_names[] = $module->name;
self::$modules[] = $module;
$kohana_modules[] = MODPATH . $module->name;
}
Kohana::config_set('core.modules', $kohana_modules);
} catch (Exception $e) {
self::$module_names = array();
self::$modules = array();
}
restore_error_handler();
}
public function get_var($module_name, $name, $default_value=null) {
$module = ORM::factory("module")->where("name", $module_name)->find();
$var = ORM::factory("var")
->where("module_id", $module->id)
->where("name", $name)
->find();
return $var->loaded ? $var->value : $default_value;
}
public function set_var($module_name, $name, $value) {
$module = ORM::factory("module")->where("name", $module_name)->find();
$var = ORM::factory("var")
->where("module_id", $module->id)
->where("name", $name)
->find();
if (!$var->loaded) {
$var = ORM::factory("var");
$var->module_id = $module->id;
$var->name = $name;
}
$var->value = $value;
$var->save();
}
/**
* Dummy error handler used in module::load_modules.
*
* @todo remove this when we have an installer.
*/
public static function _dummy_error_handler() {
}
}
|
