/**
  * Overwrite the parent boot method
  *
  * @return void
  */
 public static function boot()
 {
     parent::boot();
     MaterialCostLog::creating(function ($materialCostLog) {
         $materialCostLog->mat_cost_added_user_id_fk = \Auth::user()->id;
         $materialCostLog->mat_cost_modified_user_id_fk = \Auth::user()->id;
     });
     MaterialCostLog::updating(function ($materialCostLog) {
         $materialCostLog->mat_cost_modified_user_id_fk = \Auth::user()->id;
     });
 }