Check if current user already applied to current job

wpjb-job-already-applied-to.php

<?php

/**
 * Check if current user already applied to $job
 * 
 * @var $job Wpjb_Model_Job
 * @return boolean True if current user already applied to $job
 **/
function my_wpjb_job_already_applied_to(Wpjb_Model_Job $job) {
  $id = get_current_user_id();
  
  $query = new Daq_Db_Query();
  $query->from("Wpjb_Model_Application t");
  $query->where("user_id = ?", $id);
  $query->where("job_id = ?", $job->id);
  $query->limit(1);
  
  $result = $query->execute();
  
  return !empty($result);
}