payment-poc/providers/mock/service.go

package mock

import (
	"github.com/gin-gonic/gin"
	"github.com/google/uuid"
	"log"
	"payment-poc/database"
	"payment-poc/state"
)

type Service struct {
	BackendUrl string
}

func (s Service) UpdatePayment(entry database.PaymentEntry) (updatedEntry database.PaymentEntry, err error) {
	return entry, nil
}

func (s Service) CreatePaymentUrl(entry database.PaymentEntry) (updateEntry database.PaymentEntry, url string, err error) {
	return entry, "/mock/gateway/" + entry.Id.String(), nil
}

func (s Service) CompleteTransaction(entry database.PaymentEntry, amount int64) (database.PaymentEntry, error) {
	entry.Amount = &amount
	entry.State = state.StateCompleted
	return entry, nil
}

func (s Service) CancelTransaction(entry database.PaymentEntry) (database.PaymentEntry, error) {
	entry.State = state.StateVoided
	return entry, nil
}

func (s Service) HandleResponse(c *gin.Context, provider *database.PaymentEntryProvider, paymentState state.PaymentState) (string, error) {
	id := uuid.MustParse(c.Query("id"))
	entry, err := provider.FetchById(id)
	if err != nil {
		return "", err
	}
	entry.State = paymentState
	_, err = provider.UpdateEntry(entry)
	log.Printf("[%s:%s] received authorization response", entry.Id.String(), entry.State)
	return "/entries/" + id.String(), err
}