/**
* Execute the action
*
* @return void
*/
public function execute()
{
// no timelimit
set_time_limit(0);
// get database
$db = BackendModel::getDB(true);
// create log
$log = new SpoonLog('custom', BACKEND_CACHE_PATH . '/logs/events');
// get process-id
$pid = getmypid();
// store PID
SpoonFile::setContent(BACKEND_CACHE_PATH . '/hooks/pid', $pid);
// loop forever
while (true) {
// get 1 item
$item = $db->getRecord('SELECT *
FROM hooks_queue
WHERE status = ?
LIMIT 1', array('queued'));
// any item?
if (!empty($item)) {
// init var
$processedSuccesfully = true;
// set item as busy
$db->update('hooks_queue', array('status' => 'busy'), 'id = ?', array($item['id']));
// unserialize data
$item['callback'] = unserialize($item['callback']);
$item['data'] = unserialize($item['data']);
// check if the item is callable
if (!is_callable($item['callback'])) {
// in debug mode we want to know if there are errors
if (SPOON_DEBUG) {
throw new BackendException('Invalid callback.');
}
// set to error state
$db->update('hooks_queue', array('status' => 'error'), 'id = ?', $item['id']);
// reset state
$processedSuccesfully = false;
// logging when we are in debugmode
if (SPOON_DEBUG) {
$log->write('Callback (' . serialize($item['callback']) . ') failed.');
}
}
try {
// logging when we are in debugmode
if (SPOON_DEBUG) {
$log->write('Callback (' . serialize($item['callback']) . ') called.');
}
// call the callback
$return = call_user_func($item['callback'], $item['data']);
// failed?
if ($return === false) {
// set to error state
$db->update('hooks_queue', array('status' => 'error'), 'id = ?', $item['id']);
// reset state
$processedSuccesfully = false;
// logging when we are in debugmode
if (SPOON_DEBUG) {
$log->write('Callback (' . serialize($item['callback']) . ') failed.');
}
}
} catch (Exception $e) {
// set to error state
$db->update('hooks_queue', array('status' => 'error'), 'id = ?', $item['id']);
// reset state
$processedSuccesfully = false;
// logging when we are in debugmode
if (SPOON_DEBUG) {
$log->write('Callback (' . serialize($item['callback']) . ') failed.');
}
}
// everything went fine so delete the item
if ($processedSuccesfully) {
$db->delete('hooks_queue', 'id = ?', $item['id']);
}
// logging when we are in debugmode
if (SPOON_DEBUG) {
$log->write('Callback (' . serialize($item['callback']) . ') finished.');
}
} else {
// remove the file
SpoonFile::delete(BACKEND_CACHE_PATH . '/hooks/pid');
// stop the script
exit;
}
}
}
/**
* Set the logpath.
*
* @return void
* @param string $path The path where the logfiles should be stored.
*/
public static function setPath($path)
{
self::$path = (string) $path;
}
/**
* Trigger an event
*
* @param string $module The module that triggers the event.
* @param string $eventName The name of the event.
* @param mixed[optional] $data The data that should be send to subscribers.
*/
public static function triggerEvent($module, $eventName, $data = null)
{
$module = (string) $module;
$eventName = (string) $eventName;
// create log instance
$log = new SpoonLog('custom', PATH_WWW . '/frontend/cache/logs/events');
// logging when we are in debugmode
if (SPOON_DEBUG) {
$log->write('Event (' . $module . '/' . $eventName . ') triggered.');
}
// get all items that subscribe to this event
$subscriptions = (array) self::getDB()->getRecords('SELECT i.module, i.callback
FROM hooks_subscriptions AS i
WHERE i.event_module = ? AND i.event_name = ?', array($module, $eventName));
// any subscriptions?
if (!empty($subscriptions)) {
// init var
$queuedItems = array();
// loop items
foreach ($subscriptions as $subscription) {
// build record
$item['module'] = $subscription['module'];
$item['callback'] = $subscription['callback'];
$item['data'] = serialize($data);
$item['status'] = 'queued';
$item['created_on'] = FrontendModel::getUTCDate();
// add
$queuedItems[] = self::getDB(true)->insert('hooks_queue', $item);
// logging when we are in debugmode
if (SPOON_DEBUG) {
$log->write('Callback (' . $subscription['callback'] . ') is subcribed to event (' . $module . '/' . $eventName . ').');
}
}
// start processing
self::startProcessingHooks();
}
}
public function testRotate()
{
$this->log->write('Message for the log');
$this->log->rotate();
$this->assertFalse(SpoonFile::exists($this->log->getPath() . '/custom.log'));
}