/**
  * Get and return next comments bach
  *
  * @param string $postId
  * @return string
  */
 public function getComments($postId = '')
 {
     try {
         //Return Json Data
         echo json_encode(['error' => false, 'comments' => $this->load->view('partials/_comments-grid', ['comments' => $this->postRepo->paginateComments($this->postRepo->getPost($postId))], true)]);
     } catch (Exception $e) {
         //Unexpected error
         echo json_encode(['error' => true, 'message' => $e->getMessage()]);
     }
 }