/**
  * Determines the current editing locale
  *
  * @param int $translation
  * @param MailingNode $mailing
  * @return string
  */
 protected function determineLocaleAndTranslation($translation, MailingNode $mailing)
 {
     $translation = $mailing->translateOrFirst();
     if (is_null($translation)) {
         abort(404);
     }
     return [$translation->locale, $translation];
 }
 /**
  * Populates a mailchimp campaign content
  *
  * @param Client $client
  * @param string $mailingId
  * @param MailingNode $mailing
  * @param MailingList $list
  * @return string $campaignId
  */
 protected function makeUpdateMailchimpCampaignContentRequest(Client $client, $mailingId, MailingNode $mailing, MailingList $list)
 {
     $translation = $mailing->translateOrFirst();
     set_app_locale($translation->locale);
     $_inBrowser = false;
     $mail = view($mailing->getNodeTypeName(), compact('mailing', 'list', 'translation', '_inBrowser'))->render();
     return $client->post('campaigns/' . $mailingId . '/content', ['headers' => ['X-HTTP-Method-Override' => 'PUT'], 'json' => ['html' => $mail, 'url' => route('reactor.mailings.preview', $mailing->translateOrFirst()->node_name)]]);
 }