/**
* Runs a given task.
*
* @param TaskModel $task
*
* @return bool
*/
public function runTask(TaskModel $task)
{
$error = null;
try {
$taskRecord = $this->_getTaskRecordById($task->id);
$taskType = $task->getTaskType();
if ($taskType) {
// Figure out how many total steps there are.
$task->totalSteps = $taskType->getTotalSteps();
$task->status = TaskStatus::Running;
Craft::Log('Starting task ' . $taskRecord->type . ' that has a total of ' . $task->totalSteps . ' steps.', LogLevel::Info, true);
for ($step = 0; $step < $task->totalSteps; $step++) {
// Update the task
$task->currentStep = $step + 1;
$this->saveTask($task);
Craft::Log('Starting step ' . ($step + 1) . ' of ' . $task->totalSteps . ' total steps.', LogLevel::Info, true);
// Run it.
if (($result = $taskType->runStep($step)) !== true) {
// Did they give us an error to report?
if (is_string($result)) {
$error = $result;
} else {
$error = true;
}
break;
}
}
} else {
$error = 'Could not find the task component type.';
}
} catch (\Exception $e) {
$error = 'An exception was thrown: ' . $e->getMessage();
}
if ($task == $this->_nextPendingTask) {
// Don't run this again
$this->_nextPendingTask = null;
}
if ($error === null) {
Craft::log('Finished task ' . $task->id . ' (' . $task->type . ').', LogLevel::Info, true);
// We're done with this task, nuke it.
$taskRecord->deleteNode();
return true;
} else {
$this->fail($task, $error);
return false;
}
}
