function flush_pope_cache()
{
if (is_user_logged_in() && current_user_can('manage_options') && isset($_REQUEST['ngg_flush_pope_cache'])) {
C_Pope_Cache::get_instance()->flush();
print "Flushed pope cache";
exit;
}
}
static function update($reset = FALSE)
{
$local_settings = C_NextGen_Settings::get_instance();
$global_settings = C_NextGen_Global_Settings::get_instance();
// This is a specific hack/work-around/fix and can probably be removed sometime after 2.0.20's release
//
// NextGen 2x was not multisite compatible until 2.0.18. Users that upgraded before this
// will have nearly all of their settings stored globally (network wide) in wp_sitemeta. If
// pope_module_list (which should always be a local setting) exists site-wide we wipe the current
// global ngg_options and restore from defaults. This should only ever run once.
if (is_multisite() && isset($global_settings->pope_module_list)) {
// Setting this to TRUE will wipe current settings for display types, but also
// allows the display type installer to run correctly
$reset = TRUE;
$settings_installer = new C_NextGen_Settings_Installer();
$global_defaults = $settings_installer->get_global_defaults();
// Preserve the network options we honor by restoring them after calling $global_settings->reset()
$global_settings_to_keep = array();
foreach ($global_defaults as $key => $val) {
$global_settings_to_keep[$key] = $global_settings->{$key};
}
// Resets internal options to an empty array
$global_settings->reset();
// Restore the defaults, then our saved values. This must be done again later because
// we've set $reset to TRUE.
$settings_installer->install_global_settings();
foreach ($global_settings_to_keep as $key => $val) {
$global_settings->{$key} = $val;
}
}
// Get last module list and current module list. Compare...
$last_module_list = self::_get_last_module_list($reset);
$current_module_list = self::_generate_module_info();
$diff = array_diff($current_module_list, $last_module_list);
$do_upgrade = count($diff) > 0 || count($last_module_list) != count($current_module_list);
$can_upgrade = $do_upgrade ? self::can_do_upgrade() : FALSE;
if ($can_upgrade && !$diff) {
$diff = $current_module_list;
}
if ($can_upgrade) {
// Clear APC cache
if (function_exists('apc_clear_cache')) {
@apc_clear_cache('opcode');
apc_clear_cache();
}
// The cache should be flushed
C_Photocrati_Cache::flush();
C_Photocrati_Cache::flush('all');
if (class_exists('C_Pope_Cache')) {
C_Pope_Cache::get_instance()->flush();
}
// Remove all NGG created cron jobs
self::refresh_cron();
// Delete auto-update cache
update_option('photocrati_auto_update_admin_update_list', null);
update_option('photocrati_auto_update_admin_check_date', '');
// Other Pope applications might be loaded, and therefore
// all singletons should be destroyed, so that they can be
// adapted as necessary. For now, we'll just assume that the factory
// is the only singleton that will be used by other Pope applications
C_Component_Factory::$_instances = array();
foreach ($diff as $module_name) {
if ($handler = self::get_handler_instance(array_shift(explode('|', $module_name)))) {
if (method_exists($handler, 'install')) {
$handler->install($reset);
}
}
}
// NOTE & TODO: if the above section that declares $global_settings_to_keep is removed this should also
// Since a hard-reset of the settings was forced we must again re-apply our previously saved values
if (isset($global_settings_to_keep)) {
foreach ($global_settings_to_keep as $key => $val) {
$global_settings->{$key} = $val;
}
}
// Save any changes settings
$global_settings->save();
$local_settings->save();
}
// Another workaround to an issue caused by NextGen's lack of multisite compatibility. It's possible
// the string substitation wasn't performed, so if a '%' symbol exists in gallerypath we reset it. It's
// another db call, but again this should only ever run once.
//
// Remove this when removing the above reset-global-settings code
if (strpos($local_settings->gallerypath, '%')) {
$settings_installer = new C_NextGen_Settings_Installer();
$local_settings->gallerypath = $settings_installer->gallerypath_replace($global_settings->gallerypath);
$local_settings->save();
}
// Update the module list, and remove the update flag
if ($can_upgrade) {
update_option('pope_module_list', $current_module_list);
self::done_upgrade();
}
}