/**
* @brief does a single task
* @return boolean
*
* This method executes one task. It saves the last state and continues
* with the next step. This method should be used by webcron and ajax
* services.
*/
public static function doNextStep()
{
$laststep = OC_Appconfig::getValue('core', 'backgroundjobs_step', 'regular_tasks');
if ($laststep == 'regular_tasks') {
// get last app
$lasttask = OC_Appconfig::getValue('core', 'backgroundjobs_task', '');
// What's the next step?
$regular_tasks = OC_BackgroundJob_RegularTask::all();
ksort($regular_tasks);
$done = false;
// search for next background job
foreach ($regular_tasks as $key => $value) {
if (strcmp($key, $lasttask) > 0) {
OC_Appconfig::setValue('core', 'backgroundjobs_task', $key);
$done = true;
call_user_func($value);
break;
}
}
if ($done == false) {
// Next time load queued tasks
OC_Appconfig::setValue('core', 'backgroundjobs_step', 'queued_tasks');
}
} else {
$tasks = OC_BackgroundJob_QueuedTask::all();
if (count($tasks)) {
$task = $tasks[0];
// delete job before we execute it. This prevents endless loops
// of failing jobs.
OC_BackgroundJob_QueuedTask::delete($task['id']);
// execute job
call_user_func(array($task['klass'], $task['method']), $task['parameters']);
} else {
// Next time load queued tasks
OC_Appconfig::setValue('core', 'backgroundjobs_step', 'regular_tasks');
OC_Appconfig::setValue('core', 'backgroundjobs_task', '');
}
}
return true;
}
/**
* @brief Gets all queued tasks
* @return array with associative arrays
*/
public static function allQueuedTasks()
{
return \OC_BackgroundJob_QueuedTask::all();
}