/**
* Execute the task
*
* @param array $taskData Task data
*
* @return bool True on success, false otherwise
*/
public function run($taskData)
{
$tasksNeedToBeCleanUp = NenoTask::load(array('_field' => 'numberOfAttemps', '_condition' => '>', '_value' => 3));
/* @var $taskNeedToBeCleanUp NenoTask */
foreach ($tasksNeedToBeCleanUp as $taskNeedToBeCleanUp) {
NenoLog::add($taskNeedToBeCleanUp->getTask() . ' task has been deleted because reaches the maximum number of attempts allowed');
$taskNeedToBeCleanUp->remove();
}
return false;
}
/**
* Load a task from the queue
*
* @return NenoTask
*/
protected static function fetchTask()
{
// Load tasks that hasn't started yet and they have less than 4 attempts
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$query->select(array('id', 'IF(task = ' . $db->quote('language') . ', 1,0) AS ordering'))->from('#__neno_tasks')->where('time_started = ' . $db->quote('0000-00-00 00:00:00'))->order(array('ordering DESC', 'time_added ASC'));
$db->setQuery($query, 0, 1);
$data = $db->loadRow();
/* @var $task NenoTask */
$task = NenoTask::load($data[0]);
if (empty($task)) {
self::addTask('job_scanner');
self::addTask('scan', array('group' => 1));
self::addTask('discover');
$task = self::fetchTask();
}
// If the task is different from discovering language, delete it and fetch a new one.
if ($task->getNumberOfAttempts() > 3 && $task->getTask() != 'language') {
$task->remove();
$task = self::fetchTask();
}
return $task;
}
/**
* Load a task from the queue
*
* @return NenoTask
*/
protected static function fetchTask()
{
// Load tasks that hasn't started yet and they have less than 4 attempts
$task = NenoTask::load(array('attemps_filter' => array('_field' => 'number_of_attempts', '_condition' => '<=', '_value' => 3), 'time_started' => '0000-00-00 00:00:00', '_order' => array('time_added' => 'ASC'), '_limit' => 1));
if (empty($task)) {
self::addTask('job_scanner');
self::addTask('scan', array('group' => 1));
self::addTask('discover');
$task = self::fetchTask();
}
return $task;
}
