public function deleteBed($bed_id)
 {
     $bed = new BedModel($bed_id);
     $bed_status = $bed->getStatus();
     if ($bed_status == OCCUPIED) {
         $response = array(P_STATUS => STATUS_ERROR, P_MESSAGE => "Cannot remove bed that is currently occupied!");
         return $response;
     }
     $feedback = $bed->delete();
     if (!$feedback) {
         $response = array(P_STATUS => STATUS_ERROR, P_MESSAGE => "Unable to delete bed!");
         return $response;
     }
     return $feedback;
 }
 public function switchBed($admission_id, $bed_id)
 {
     $admission_model = new AdmissionModel();
     $bed = new BedModel($bed_id);
     $bed_status = $bed->getStatus();
     if ($bed_status == OCCUPIED) {
         $response = array(P_STATUS => STATUS_ERROR, P_MESSAGE => "Cannot assign bed that is currently occupied!");
         return $response;
     }
     $feedback = $admission_model->switchBed($admission_id, $bed_id);
     if (!$feedback) {
         $response = array(P_STATUS => STATUS_ERROR, P_MESSAGE => "Unable to assign bed!");
         return $response;
     }
     return $feedback;
 }