rentease/internal/server/handle_payments.go

package server

import (
	"fmt"
	"net/http"
	"strconv"

	"github.com/labstack/echo/v4"
	u "github.com/rjNemo/underscore"

	"github.com/rjNemo/rentease/internal/constant"
	"github.com/rjNemo/rentease/internal/service/booking"
	"github.com/rjNemo/rentease/internal/view"
)

func handleCreatePayment(bs *booking.Service) echo.HandlerFunc {
	type CreatePaymentInput struct {
		Amount        float64 `form:"amount"`
		PaymentMethod string  `form:"paymentMethod"`
	}

	return func(c echo.Context) error {
		idStr := c.Param("id")
		id, err := strconv.Atoi(idStr)
		if err != nil {
			return err
		}

		np := new(CreatePaymentInput)
		c.Bind(np)

		b := bs.One(id)

		_, err = bs.CreatePayment(b.Id, np.Amount, np.PaymentMethod)
		if err != nil {
			return err
		}

		nb := bs.One(id)
		return renderTempl(c, http.StatusOK, view.ItemList(view.ItemListViewModel{
			Items: u.Map(nb.Items, func(i booking.Item) view.ItemViewModel {
				return view.ItemViewModel{
					Id:            strconv.Itoa(i.Id),
					Item:          i.Item,
					Quantity:      strconv.Itoa(i.Quantity),
					Price:         strconv.FormatFloat(i.Price, 'f', 2, 64),
					SubTotal:      strconv.FormatFloat(i.Price*float64(i.Quantity), 'f', 2, 64),
					PaymentStatus: i.PaymentStatus,
					ItemUrl:       fmt.Sprintf("%s/%d", constant.RouteItem, i.Id),
					Payments: u.Map(b.Payments, func(p booking.Payment) view.Payment {
						return view.Payment{
							Amount:        strconv.FormatFloat(p.Amount, 'f', 2, 64),
							PaymentMethod: p.PaymentMethod,
							PaymentUrl:    fmt.Sprintf("%s/%d", constant.RoutePayment, p.ID),
						}
					}),
				}
			}),
		}))
	}
}

type Payment struct {
	BookingID     int
	Amount        float64
	PaymentMethod string
}