/**
  * Get batch from database and populates it with all its data, e.g. posts
  * users, metadata etc. included in the batch.
  *
  * If $id is not provided an empty Batch object will be returned.
  *
  * @param int $id
  *
  * @return Batch
  */
 public function get($id = null)
 {
     // This is a new batch, no need to populate the batch with any content.
     if ($id === null) {
         $batch = new Batch();
         $batch->set_status('publish');
         return $batch;
     }
     return $this->batch_dao->find($id);
 }
 /**
  * @param array $raw
  * @return Batch
  */
 protected function do_create_object(array $raw, $args = array())
 {
     $obj = new Batch($raw['ID']);
     $user = $this->user_dao->find($raw['post_author']);
     $obj->set_guid($raw['guid']);
     $obj->set_title($raw['post_title']);
     $obj->set_creator($user);
     $obj->set_date($raw['post_date']);
     $obj->set_date_gmt($raw['post_date_gmt']);
     $obj->set_modified($raw['post_modified']);
     $obj->set_modified_gmt($raw['post_modified_gmt']);
     $obj->set_status($raw['post_status']);
     // Skip loading batch content?
     $skip_content = isset($args['skip_content']) ? $args['skip_content'] : false;
     $content = $this->get_batch_content($raw, $skip_content);
     $content = unserialize(base64_decode($content));
     /*
      * Previously $content would have contained a Batch object. This check
      * deals with legacy batches.
      */
     if (!is_array($content)) {
         $content = array();
     }
     if (isset($content['attachments'])) {
         $obj->set_attachments($content['attachments']);
     }
     if (isset($content['users'])) {
         $obj->set_users($content['users']);
     }
     if (isset($content['posts'])) {
         $obj->set_posts($content['posts']);
     }
     if (isset($content['custom_data'])) {
         $obj->set_custom_data($content['custom_data']);
     }
     if (isset($content['post_rel_keys'])) {
         $obj->set_post_rel_keys($content['post_rel_keys']);
     }
     return $obj;
 }