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<?php
namespace MailPoet\Tasks;
if (!defined('ABSPATH')) exit;
use MailPoet\Cron\Workers\SendingQueue\SendingQueue as SendingQueueAlias;
use MailPoet\Logging\LoggerFactory;
use MailPoet\Models\ScheduledTask;
use MailPoet\Models\ScheduledTaskSubscriber;
use MailPoet\Models\SendingQueue;
use MailPoet\Util\Helpers;
use MailPoet\WP\Functions as WPFunctions;
use MailPoetVendor\Carbon\Carbon;
/**
* A facade class containing all necessary models to work with a sending queue
* @property string|null $status
* @property int $taskId
* @property int $id
* @property int $newsletterId
* @property string $newsletterRenderedSubject
* @property string|array $newsletterRenderedBody
* @property bool $nonExistentColumn
* @property string $scheduledAt
* @property int $priority
*/
class Sending {
const TASK_TYPE = SendingQueueAlias::TASK_TYPE;
const RESULT_BATCH_SIZE = 5;
/** @var ScheduledTask */
private $task;
/** @var SendingQueue */
private $queue;
/** @var Subscribers */
private $taskSubscribers;
private $queueFields = [
'id',
'task_id',
'newsletter_id',
'newsletter_rendered_subject',
'newsletter_rendered_body',
'count_total',
'count_processed',
'count_to_process',
'meta',
];
private $commonFields = [
'created_at',
'updated_at',
'deleted_at',
];
private function __construct(
ScheduledTask $task = null,
SendingQueue $queue = null
) {
if (!$task instanceof ScheduledTask) {
$task = ScheduledTask::create();
$task->type = self::TASK_TYPE;
$task->save();
}
if (!$queue instanceof SendingQueue) {
$queue = SendingQueue::create();
$queue->newsletterId = 0;
$queue->taskId = $task->id;
$queue->save();
}
if ($task->type !== self::TASK_TYPE) {
throw new \Exception('Only tasks of type "' . self::TASK_TYPE . '" are accepted by this class');
}
$this->task = $task;
$this->queue = $queue;
$this->taskSubscribers = new Subscribers($task);
}
public static function create(ScheduledTask $task = null, SendingQueue $queue = null) {
return new self($task, $queue);
}
public static function createManyFromTasks($tasks) {
if (empty($tasks)) {
return [];
}
$tasksIds = array_map(function($task) {
return $task->id;
}, $tasks);
$queues = SendingQueue::whereIn('task_id', $tasksIds)->findMany();
$queuesIndex = [];
foreach ($queues as $queue) {
$queuesIndex[$queue->taskId] = $queue;
}
$result = [];
foreach ($tasks as $task) {
if (!empty($queuesIndex[$task->id])) {
$result[] = self::create($task, $queuesIndex[$task->id]);
} else {
static::handleInvalidTask($task);
}
}
return $result;
}
public static function handleInvalidTask(ScheduledTask $task) {
$loggerFactory = LoggerFactory::getInstance();
$loggerFactory->getLogger(LoggerFactory::TOPIC_NEWSLETTERS)->error(
'invalid sending task found',
['task_id' => $task->id]
);
$task->status = ScheduledTask::STATUS_INVALID;
$task->save();
}
public static function createFromScheduledTask(ScheduledTask $task) {
$queue = SendingQueue::where('task_id', $task->id)->findOne();
if (!$queue) {
return false;
}
return self::create($task, $queue);
}
public static function createFromQueue(SendingQueue $queue) {
$task = $queue->task()->findOne();
if (!$task) {
return false;
}
return self::create($task, $queue);
}
public static function getByNewsletterId($newsletterId) {
$queue = SendingQueue::where('newsletter_id', $newsletterId)
->orderByDesc('updated_at')
->findOne();
if (!$queue instanceof SendingQueue) {
return false;
}
return self::createFromQueue($queue);
}
public function asArray() {
$queue = array_intersect_key(
$this->queue->asArray(),
array_flip($this->queueFields)
);
$task = $this->task->asArray();
return array_merge($task, $queue);
}
public function getErrors() {
$queueErrors = $this->queue->getErrors();
$taskErrors = $this->task->getErrors();
if (empty($queueErrors) && empty($taskErrors)) {
return false;
}
return array_merge((array)$queueErrors, (array)$taskErrors);
}
public function save() {
$this->task->save();
$this->queue->save();
$errors = $this->getErrors();
if ($errors) {
$loggerFactory = LoggerFactory::getInstance();
$loggerFactory->getLogger(LoggerFactory::TOPIC_NEWSLETTERS)->error(
'error saving sending task',
['task_id' => $this->task->id, 'queue_id' => $this->queue->id, 'errors' => $errors]
);
}
return $this;
}
public function delete() {
$this->taskSubscribers->removeAllSubscribers();
$this->task->delete();
$this->queue->delete();
}
public function queue() {
return $this->queue;
}
public function task() {
return $this->task;
}
public function taskSubscribers() {
return $this->taskSubscribers;
}
public function getSubscribers($processed = null) {
$subscribers = $this->taskSubscribers->getSubscribers();
if (!is_null($processed)) {
$status = ($processed) ? ScheduledTaskSubscriber::STATUS_PROCESSED : ScheduledTaskSubscriber::STATUS_UNPROCESSED;
$subscribers->where('processed', $status);
}
$subscribers = $subscribers->findArray();
return array_column($subscribers, 'subscriber_id');
}
public function setSubscribers(array $subscriberIds) {
$this->taskSubscribers->setSubscribers($subscriberIds);
$this->updateCount();
}
public function removeSubscribers(array $subscriberIds) {
$this->taskSubscribers->removeSubscribers($subscriberIds);
$this->updateCount();
}
public function removeAllSubscribers() {
$this->taskSubscribers->removeAllSubscribers();
$this->updateCount();
}
public function updateProcessedSubscribers(array $processedSubscribers) {
$this->taskSubscribers->updateProcessedSubscribers($processedSubscribers);
return $this->updateCount()->getErrors() === false;
}
public function saveSubscriberError($subcriberId, $errorMessage) {
$this->taskSubscribers->saveSubscriberError($subcriberId, $errorMessage);
return $this->updateCount()->getErrors() === false;
}
public function updateCount() {
$this->queue->countProcessed = ScheduledTaskSubscriber::getProcessedCount($this->task->id);
$this->queue->countToProcess = ScheduledTaskSubscriber::getUnprocessedCount($this->task->id);
$this->queue->countTotal = $this->queue->countProcessed + $this->queue->countToProcess;
return $this->queue->save();
}
public function hydrate(array $data) {
foreach ($data as $k => $v) {
$this->__set($k, $v);
}
}
public function validate() {
return $this->queue->validate() && $this->task->validate();
}
public function getMeta() {
return $this->queue->getMeta();
}
public function __isset($prop) {
$prop = Helpers::camelCaseToUnderscore($prop);
if ($this->isQueueProperty($prop)) {
return isset($this->queue->$prop);
} else {
return isset($this->task->$prop);
}
}
public function __get($prop) {
$prop = Helpers::camelCaseToUnderscore($prop);
if ($this->isQueueProperty($prop)) {
return $this->queue->$prop;
} else {
return $this->task->$prop;
}
}
public function __set($prop, $value) {
$prop = Helpers::camelCaseToUnderscore($prop);
if ($this->isCommonProperty($prop)) {
$this->queue->$prop = $value;
$this->task->$prop = $value;
} elseif ($this->isQueueProperty($prop)) {
$this->queue->$prop = $value;
} else {
$this->task->$prop = $value;
}
}
public function __call($name, $args) {
$obj = method_exists($this->queue, $name) ? $this->queue : $this->task;
$callback = [$obj, $name];
if (is_callable($callback)) {
return call_user_func_array($callback, $args);
}
}
private function isQueueProperty($prop) {
return in_array($prop, $this->queueFields);
}
private function isCommonProperty($prop) {
return in_array($prop, $this->commonFields);
}
public static function getScheduledQueues($amount = self::RESULT_BATCH_SIZE) {
$wp = new WPFunctions();
$tasks = ScheduledTask::tableAlias('tasks')
->select('tasks.*')
->join(SendingQueue::$_table, 'tasks.id = queues.task_id', 'queues')
->whereNull('tasks.deleted_at')
->where('tasks.status', ScheduledTask::STATUS_SCHEDULED)
->whereLte('tasks.scheduled_at', Carbon::createFromTimestamp($wp->currentTime('timestamp')))
->where('tasks.type', 'sending')
->orderByAsc('tasks.updated_at')
->limit($amount)
->findMany();
return static::createManyFromTasks($tasks);
}
}