if(couponsBelowLimit.length && params.payment_type == 1) {
                let wrWithDiscount = couponsBelowLimit.map(c => {

                    let discount

                    if(c.discount_percentage) {
                        discount = (wr.price - (wr.price * c.discount_percentage / 100))
                    }

                    if(c.discount_price) {
                        discount = (wr.price - c.discount_price)
                    }

                    return {
                        coupon_id: c.id,
                        discount: discount
                    }
                })

                console.log('Desconto:', wrWithDiscount)

                let smallest = wrWithDiscount.reduce((a, b) => (a.discount > b.discount) ? a : b)
                wr.price = smallest.discount.toFixed(2)

                yield WashingRequest.query().update({price: smallest.discount, coupon_id: smallest.coupon_id})
                        .where('id', params.washing_request_id)
            }