/**
  * Provide a Post object you want to add to the current batch.
  *
  * @param Batch $batch
  * @param Post  $post
  */
 private function add_post(Batch $batch, Post $post)
 {
     // Make sure the post is not already in the batch.
     foreach ($batch->get_posts() as $post_in_batch) {
         if ($post->get_id() === $post_in_batch->get_id()) {
             return;
         }
     }
     if ($post->get_type() === 'attachment') {
         $this->add_attachment($batch, $post->get_id());
     }
     // Catch issue with term ID not being set properly.
     try {
         $this->post_taxonomy_dao->get_post_taxonomy_relationships($post);
     } catch (Exception $e) {
         $this->api->add_preflight_message($batch->get_id(), $e->getMessage(), 'warning');
     }
     $post->set_meta($this->postmeta_dao->get_postmetas_by_post_id($post->get_id()));
     /*
      * Make it possible for third-party developers to modify post before it
      * is added to batch.
      */
     do_action('sme_prepare_post', $post, $batch);
     $batch->add_post($post);
     $post_meta = $post->get_meta();
     $record_count = count($post_meta);
     for ($i = 0; $i < $record_count; $i++) {
         $post_meta[$i] = $this->add_related_posts($batch, $post_meta[$i]);
     }
     $post->set_meta($post_meta);
 }
 /**
  * Import post.
  *
  * @param Post $post
  */
 public function import_post(Post $post)
 {
     // Notify listeners that post is about to be imported.
     do_action('sme_post_import', $post, $this->batch);
     $publish_status_changed = false;
     /*
      * Create object that can keep track of differences between stage and
      * production post.
      */
     $post_diff = new Post_Env_Diff($post->get_id());
     $post_diff->set_stage_status($post->get_post_status());
     // Check if post has any parent.
     if ($post->get_parent() !== null) {
         $post_diff->set_parent_guid($post->get_parent()->get_guid());
     }
     /*
      * Check if post already exist on production, if it does then update the
      * old version of the post rather then creating a new post.
      */
     if (($prod_revision = $this->post_dao->get_by_guid($post->get_guid())) !== null) {
         /*
          * This is an existing post.
          */
         $post_diff->set_prod_id($prod_revision->get_id());
         $post->set_id($prod_revision->get_id());
         $this->post_dao->update_post($post);
     } else {
         /*
          * This is a new post.
          */
         // Turn published posts into drafts for now.
         if ($post->get_post_status() == 'publish') {
             $post->set_post_status('draft');
             $publish_status_changed = true;
         }
         // Insert post.
         $this->post_dao->insert($post);
         // Reset publish status.
         if ($publish_status_changed) {
             $post->set_post_status('publish');
         }
         // Store new production ID in diff.
         $post_diff->set_prod_id($post->get_id());
     }
     // Add post diff to array of post diffs.
     $this->add_post_diff($post_diff);
     // Clear old post/taxonomy relationships.
     foreach ($post->get_post_taxonomy_relationships() as $post_taxonomy) {
         $this->post_taxonomy_dao->clear_post_taxonomy_relationships($post_taxonomy);
     }
     // Import post/taxonomy relationships.
     foreach ($post->get_post_taxonomy_relationships() as $post_taxonomy) {
         // Import taxonomy.
         $this->import_taxonomy($post_taxonomy->get_taxonomy());
         $this->post_taxonomy_dao->insert($post_taxonomy);
     }
     // Notify listeners that post has been imported.
     do_action('sme_post_imported', $post, $this->batch);
 }