/**
* Loads all the registered plugins.
*/
function load_plugins()
{
global $conf, $pwg_loaded_plugins;
$pwg_loaded_plugins = array();
if ($conf['enable_plugins']) {
$plugins = get_db_plugins('active');
foreach ($plugins as $plugin) {
// include main from a function to avoid using same function context
load_plugin($plugin);
}
trigger_notify('plugins_loaded');
}
}
/**
* Perform requested actions
* @param string - action
* @param string - plugin id
* @param array - errors
*/
function perform_action($action, $plugin_id, $options = array())
{
if (isset($this->db_plugins_by_id[$plugin_id])) {
$crt_db_plugin = $this->db_plugins_by_id[$plugin_id];
}
if ($action !== 'update') {
// wait for files to be updated
$plugin_maintain = self::build_maintain_class($plugin_id);
}
$errors = array();
switch ($action) {
case 'install':
if (!empty($crt_db_plugin) or !isset($this->fs_plugins[$plugin_id])) {
break;
}
$plugin_maintain->install($this->fs_plugins[$plugin_id]['version'], $errors);
if (empty($errors)) {
$query = '
INSERT INTO ' . PLUGINS_TABLE . ' (id,version)
VALUES (\'' . $plugin_id . '\', \'' . $this->fs_plugins[$plugin_id]['version'] . '\')
;';
pwg_query($query);
}
break;
case 'update':
$previous_version = $this->fs_plugins[$plugin_id]['version'];
$errors[0] = $this->extract_plugin_files('upgrade', $options['revision'], $plugin_id);
if ($errors[0] === 'ok') {
$this->get_fs_plugin($plugin_id);
// refresh plugins list
$new_version = $this->fs_plugins[$plugin_id]['version'];
$plugin_maintain = self::build_maintain_class($plugin_id);
$plugin_maintain->update($previous_version, $new_version, $errors);
if ($new_version != 'auto') {
$query = '
UPDATE ' . PLUGINS_TABLE . '
SET version=\'' . $new_version . '\'
WHERE id=\'' . $plugin_id . '\'
;';
pwg_query($query);
}
}
break;
case 'activate':
if (!isset($crt_db_plugin)) {
$errors = $this->perform_action('install', $plugin_id);
list($crt_db_plugin) = get_db_plugins(null, $plugin_id);
load_conf_from_db();
} elseif ($crt_db_plugin['state'] == 'active') {
break;
}
if (empty($errors)) {
$plugin_maintain->activate($crt_db_plugin['version'], $errors);
}
if (empty($errors)) {
$query = '
UPDATE ' . PLUGINS_TABLE . '
SET state=\'active\'
WHERE id=\'' . $plugin_id . '\'
;';
pwg_query($query);
}
break;
case 'deactivate':
if (!isset($crt_db_plugin) or $crt_db_plugin['state'] != 'active') {
break;
}
$query = '
UPDATE ' . PLUGINS_TABLE . '
SET state=\'inactive\'
WHERE id=\'' . $plugin_id . '\'
;';
pwg_query($query);
$plugin_maintain->deactivate();
break;
case 'uninstall':
if (!isset($crt_db_plugin)) {
break;
}
if ($crt_db_plugin['state'] == 'active') {
$this->perform_action('deactivate', $plugin_id);
}
$query = '
DELETE FROM ' . PLUGINS_TABLE . '
WHERE id=\'' . $plugin_id . '\'
;';
pwg_query($query);
$plugin_maintain->uninstall();
break;
case 'restore':
$this->perform_action('uninstall', $plugin_id);
unset($this->db_plugins_by_id[$plugin_id]);
$errors = $this->perform_action('activate', $plugin_id);
break;
case 'delete':
if (!empty($crt_db_plugin)) {
$this->perform_action('uninstall', $plugin_id);
}
if (!isset($this->fs_plugins[$plugin_id])) {
break;
}
deltree(PHPWG_PLUGINS_PATH . $plugin_id, PHPWG_PLUGINS_PATH . 'trash');
break;
}
return $errors;
}
