PublishSubmissions.inc.php

<?php
 
import('lib.pkp.classes.scheduledTask.ScheduledTask');
 
class PublishSubmissions extends ScheduledTask {
 
   public function getName() {
      return __('admin.scheduledTask.publishSubmissions');
   }
 
   public function executeActions() {
      import('classes.submission.Submission'); // import constants
 
      $contextIds = Services::get('context')->getIds([
         'isEnabled' => true,
      ]);
      foreach ($contextIds as $contextId) {
         $submissionsIterator = Services::get('submission')->getMany([
            'contextId' => $contextId,
            'status' => STATUS_SCHEDULED,
         ]);
         foreach ($submissionsIterator as $submission) {
            $datePublished = $submission->getCurrentPublication()->getData('datePublished');
            if ($datePublished && strtotime($datePublished) <= strtotime(Core::getCurrentDate())) {
               Services::get('publication')->publish($submission->getCurrentPublication());
            }
         }
      }
 
      return true;
   }
}