CourierManager.php in Courier 8

Namespace

Drupal\courier\Service

File

src/Service/CourierManager.php

<?php

namespace Drupal\courier\Service;

use Drupal\courier\TemplateCollectionInterface;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Config\ConfigFactoryInterface;
use Drupal\Core\Logger\LoggerChannelFactoryInterface;
use Drupal\courier\Entity\MessageQueueItem;
use Drupal\courier\Exception\IdentityException;

/**
 * The courier manager.
 */
class CourierManager implements CourierManagerInterface {

  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * The configuration factory.
   *
   * @var \Drupal\Core\Config\ConfigFactoryInterface
   */
  protected $configFactory;

  /**
   * The logger for the Courier channel.
   *
   * @var \Psr\Log\LoggerInterface
   */
  protected $logger;

  /**
   * The identity channel manager.
   *
   * @var \Drupal\courier\Service\IdentityChannelManager
   */
  protected $identityChannelManager;

  /**
   * The message queue service
   *
   * @var \Drupal\courier\Service\MessageQueueManagerInterface
   */
  protected $messageQueue;

  /**
   * Constructs the Courier Manager.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager.
   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
   *   The configuration factory.
   * @param \Drupal\Core\Logger\LoggerChannelFactoryInterface $logger_factory
   *   The logger factory service.
   * @param \Drupal\courier\Service\IdentityChannelManagerInterface $identity_channel_manager
   *   The identity channel manager.
   * @param \Drupal\courier\Service\MessageQueueManagerInterface $message_queue
   *   The message queue service.
   */
  public function __construct(EntityTypeManagerInterface $entity_type_manager, ConfigFactoryInterface $config_factory, LoggerChannelFactoryInterface $logger_factory, IdentityChannelManagerInterface $identity_channel_manager, MessageQueueManagerInterface $message_queue) {
    $this->entityTypeManager = $entity_type_manager;
    $this->configFactory = $config_factory;
    $this->logger = $logger_factory
      ->get('courier');
    $this->identityChannelManager = $identity_channel_manager;
    $this->messageQueue = $message_queue;
  }

  /**
   * {@inheritdoc}
   */
  public function addTemplates(TemplateCollectionInterface &$template_collection) {
    foreach (array_keys($this->identityChannelManager
      ->getChannels()) as $entity_type_id) {
      if (!$template_collection
        ->getTemplate($entity_type_id)) {

        /** @var $template \Drupal\courier\ChannelInterface */
        $template = $this->entityTypeManager
          ->getStorage($entity_type_id)
          ->create();
        $template_collection
          ->setTemplate($template);
      }
    }
  }

  /**
   * {@inheritdoc}
   */
  public function sendMessage(TemplateCollectionInterface $template_collection, EntityInterface $identity, array $options = []) {
    $template_collection
      ->validateTokenValues();
    $message_queue = MessageQueueItem::create()
      ->setOptions($options)
      ->setIdentity($identity);
    $t_args_base = [
      '%identity' => $identity
        ->label(),
      '@template_collection' => $template_collection
        ->id(),
    ];

    // All templates are 'rendered' into messages in case preferred channels
    // fail.

    /** @var \Drupal\courier\ChannelInterface[] $templates */
    $templates = [];
    foreach ($this->identityChannelManager
      ->getChannelsForIdentity($identity) as $channel) {
      if ($template = $template_collection
        ->getTemplate($channel)) {
        $templates[$channel] = $template;
      }
    }
    foreach ($templates as $channel => $template) {
      $t_args = $t_args_base;
      $t_args['@template'] = $template
        ->id();
      $t_args['%channel'] = $channel;
      $plugin = $this->identityChannelManager
        ->getCourierIdentity($channel, $identity
        ->getEntityTypeId());
      if ($plugin) {
        $message = $template
          ->createDuplicate();
        if ($message
          ->id()) {
          throw new \Exception(sprintf('Failed to clone `%s`', $channel));
        }
        try {
          $plugin
            ->applyIdentity($message, $identity);
        } catch (IdentityException $e) {
          $this->logger
            ->notice('Identity %identity could not be applied to %channel: @message.', $t_args + [
            '@message' => $e
              ->getMessage(),
          ]);
          continue;
        }
        if ($message
          ->isEmpty()) {
          $this->logger
            ->debug('Template @template (%channel) for collection @template_collection was empty.', $t_args);
          continue;
        }
        foreach ($template_collection
          ->getTokenValues() as $token => $value) {
          $message
            ->setTokenValue($token, $value);
        }
        foreach ($template_collection
          ->getTokenOptions() as $token_option => $value) {
          $message
            ->setTokenOption($token_option, $value);
        }
        $message
          ->setTokenValue('identity', $identity)
          ->applyTokens();
        $this->logger
          ->debug('Template @template (%channel) added to a message queue item.', $t_args);
        if ($message
          ->save()) {
          $message_queue
            ->addMessage($message);
        }
      }
    }
    if ($message_queue
      ->getMessages()) {
      if ($this
        ->getSkipQueue()) {
        $this->messageQueue
          ->sendMessage($message_queue);
      }
      else {
        $message_queue
          ->save();
        $queue = \Drupal::queue('courier_message');
        $queue
          ->createItem([
          'id' => $message_queue
            ->id(),
        ]);
      }
      return $message_queue;
    }
    $this->logger
      ->info('No messages could be sent to %identity. No messages were generated.', $t_args_base);
    return FALSE;
  }

  /**
   * Whether message queue item should skip queue.
   *
   * @return bool
   */
  public function getSkipQueue() {
    $skip_queue = $this->configFactory
      ->get('courier.settings')
      ->get('skip_queue');
    return !empty($skip_queue);
  }

}

Classes

Name	Description
CourierManager	The courier manager.