public function applyBonus($id) {
        //TODO(): Check if bonus exists

        $bonus = Bonus::find($id);
        //TODO():: Check if bonus has elements

        foreach($bonus->elements as $element) {
            //TODO():: Check if element has constraints

            foreach($element->constraints as $constraint) {
                if (number_format($constraint->probability * 100, 0) >= rand(1, 100)) {
                    //Constraint has effect
                    //Check if user passes this constraint

                    switch ($constraint->relation) {
                        case '<':

                            if(Auth::user()->attribute($constraint->attribute_code) < $constraint->value) {
                                //User passes constraint, move on to the next constrain
                                continue;
                            } else {
                                //User didn't pass the constraint, move on to the next element
                                break;
                            }

                            break;
                        case '<=':

                            if(Auth::user()->attribute($constraint->attribute_code) <= $constraint->value) {
                                continue;
                            } else {
                                break;
                            }


                            break;
                        case '=':

                            if(Auth::user()->attribute($constraint->attribute_code) = $constraint->value) {
                                continue;
                            } else {
                                break;
                            }

                            break;
                        case '>=':

                            if(Auth::user()->attribute($constraint->attribute_code) >= $constraint->value) {
                                continue;
                            } else {
                                break;
                            }

                            break;
                        case '>':

                            if(Auth::user()->attribute($constraint->attribute_code) > $constraint->value) {
                                continue;
                            } else {
                                break;
                            }

                            break;
                    }
                }
            }
        }
    }