/**
* Invalidate the persistence layer only after a successful compile of the
* LESS files.
*
* @param array $variables LESS variable array to use
* @param boolean $update_persistence Whether the persist successful compile
*
* @return boolean Whether successful
*/
public function invalidate_cache(array $variables = null, $update_persistence = false)
{
$notification = $this->_registry->get('notification.admin');
try {
// Try to parse the css
$css = $this->lessphp_controller->parse_less_files($variables);
// Reset the parse time to force a browser reload of the CSS, whether we are
// updating persistence or not. Do it here to be sure files compile ok.
$this->save_less_parse_time();
if ($update_persistence) {
$this->update_persistence_layer($css);
} else {
$this->persistance_context->delete_data_from_persistence();
}
} catch (Ai1ec_Cache_Write_Exception $e) {
// This means successful during parsing but problems persisting the CSS.
$message = '<p>' . Ai1ec_I18n::__("The LESS file compiled correctly but there was an error while saving the generated CSS to persistence.") . '</p>';
$notification->store($message, 'error');
return false;
} catch (Exception $e) {
// An error from lessphp.
$message = sprintf(Ai1ec_I18n::__('<p><strong>There was an error while compiling CSS.</strong> The message returned was: <em>%s</em></p>'), $e->getMessage());
$notification->store($message, 'error', 1);
return false;
}
return true;
}
/**
* Invalidate the persistence layer only after a successful compile of the
* LESS files.
*
* @param array $variables LESS variable array to use
* @param boolean $update_persistence Whether the persist successful compile
*
* @return boolean Whether successful
*/
public function invalidate_cache(array $variables = null, $update_persistence = false)
{
if (!$this->lessphp_controller->is_compilation_needed($variables)) {
$this->_registry->get('model.option')->delete('ai1ec_render_css');
return true;
}
$notification = $this->_registry->get('notification.admin');
if (!$this->_registry->get('compatibility.memory')->check_available_memory(AI1EC_LESS_MIN_AVAIL_MEMORY)) {
$message = sprintf(Ai1ec_I18n::__('CSS compilation failed because you don\'t have enough free memory (a minimum of %s is needed). Your calendar will not render or function properly without CSS. Please read <a href="http://time.ly/document/user-guide/getting-started/pre-sale-questions/">this article</a> to learn how to increase your PHP memory limit.'), AI1EC_LESS_MIN_AVAIL_MEMORY);
$notification->store($message, 'error', 1, array(Ai1ec_Notification_Admin::RCPT_ADMIN), true);
return;
}
try {
// Try to parse the css
$css = $this->lessphp_controller->parse_less_files($variables);
// Reset the parse time to force a browser reload of the CSS, whether we are
// updating persistence or not. Do it here to be sure files compile ok.
$this->save_less_parse_time();
if ($update_persistence) {
$this->update_persistence_layer($css);
} else {
$this->persistance_context->delete_data_from_persistence();
}
} catch (Ai1ec_Cache_Write_Exception $e) {
// This means successful during parsing but problems persisting the CSS.
$message = '<p>' . Ai1ec_I18n::__("The LESS file compiled correctly but there was an error while saving the generated CSS to persistence.") . '</p>';
$notification->store($message, 'error');
return false;
} catch (Exception $e) {
// An error from lessphp.
$message = sprintf(Ai1ec_I18n::__('<p><strong>There was an error while compiling CSS.</strong> The message returned was: <em>%s</em></p>'), $e->getMessage());
$notification->store($message, 'error', 1);
return false;
}
return true;
}
/**
* Clears Facebook data from Session, clear the Access token and disable cron functions
*
*/
private function clear_facebook_data_from_session_and_db_and_disable_cron()
{
// Get an instance of the Facebook class
$facebook = $this->facebook_instance_factory();
// Destroy the session so that no Facebook data is held
$facebook->destroySession();
// Invalidate the Token
$this->save_plugin_variable(self::FB_TOKEN, '');
// Delete all data from the facebook users table otherwise if a different user logs in data is mixed
$this->clean_facebook_users_table_on_logout();
// Delete the user saved in session
$this->persistance_context->delete_data_from_persistence();
// Disable the cron Functions
$this->disable_cron_functions();
// Delete the option that saves the cron version: when a new acces token is obtained the CRON will be set again
delete_option(self::FB_OPTION_CRON_VERSION);
}
