payment-poc/main.go

760 lines
24 KiB
Go

package main
import (
"bytes"
"embed"
"encoding/json"
"errors"
"fmt"
"github.com/gin-gonic/gin"
"github.com/google/uuid"
"github.com/joho/godotenv"
"github.com/stripe/stripe-go/v72"
"github.com/stripe/stripe-go/v72/checkout/session"
"github.com/stripe/stripe-go/v72/paymentintent"
"html/template"
"io"
"log"
"net/http"
"payment-poc/migration"
"payment-poc/state"
stripe2 "payment-poc/stripe"
"payment-poc/viva"
"payment-poc/wspay"
"strconv"
"strings"
"time"
)
//go:embed db/dev/*.sql
var devMigrations embed.FS
var BackendUrl string
var WsPayShopId string
var WsPayShopSecret string
var VivaMerchantId string
var VivaApiKey string
var VivaSourceCode string
var VivaClientId string
var VivaClientSecret string
func init() {
godotenv.Load()
BackendUrl = envMustExist("BACKEND_URL")
WsPayShopId = envMustExist("WSPAY_SHOP_ID")
WsPayShopSecret = envMustExist("WSPAY_SHOP_SECRET")
VivaMerchantId = envMustExist("VIVA_WALLET_MERCHANT_ID")
VivaApiKey = envMustExist("VIVA_WALLET_API_KEY")
VivaSourceCode = envMustExist("VIVA_WALLET_SOURCE_CODE")
VivaClientId = envMustExist("VIVA_WALLET_CLIENT_ID")
VivaClientSecret = envMustExist("VIVA_WALLET_CLIENT_SECRET")
stripe.Key = envMustExist("STRIPE_KEY")
log.SetPrefix("")
log.SetFlags(log.Ldate | log.Ltime | log.Lshortfile)
}
func main() {
client, err := connectToDb()
if err != nil {
log.Fatalf("couldn't connect to db: %v", err)
}
if err := migration.InitializeMigrations(client, devMigrations); err != nil {
log.Fatalf("couldn't execute migrations: %v", err)
}
g := gin.Default()
g.Use(gin.BasicAuth(getAccounts()))
g.SetFuncMap(template.FuncMap{
"formatCurrency": func(current int64) string {
return fmt.Sprintf("%d,%02d", current/100, current%100)
},
"formatCurrency2": func(current int64) string {
return fmt.Sprintf("%d.%02d", current/100, current%100)
},
"formatState": func(stt state.PaymentState) string {
switch stt {
case state.StateCanceled:
return "Otkazano"
case state.StateVoided:
return "Otkazano sa strane administratora"
case state.StateAccepted:
return "Prihvačeno"
case state.StateError:
return "Greška"
case state.StateInitialized:
return "Inicijalna izrada"
case state.StateCanceledInitialization:
return "Otkazano tijekom izrade"
case state.StateCompleted:
return "Završeno"
}
return "nepoznato stanje '" + string(stt) + "'"
},
"omitempty": func(value string) string {
if value == "" {
return "-"
}
return value
},
})
g.NoRoute(func(c *gin.Context) {
c.JSON(http.StatusNotFound, gin.H{"message": "no action on given url", "created": time.Now()})
})
g.NoMethod(func(c *gin.Context) {
c.JSON(http.StatusMethodNotAllowed, gin.H{"message": "no action on given method", "created": time.Now()})
})
wspayService := wspay.Service{
DB: client,
}
stripeService := stripe2.Service{
DB: client,
}
vivaService := viva.Service{
DB: client,
ClientId: VivaClientId,
ClientSecret: VivaClientSecret,
SourceCode: VivaSourceCode,
MerchantId: VivaMerchantId,
ApiKey: VivaApiKey,
}
g.LoadHTMLGlob("./templates/*.gohtml")
g.GET("/", func(c *gin.Context) {
wspayEntries, _ := wspayService.FetchAll()
stripeEntries, _ := stripeService.FetchAll()
vivaEntries, _ := vivaService.FetchAll()
c.HTML(200, "index.gohtml", gin.H{"WsPay": wspayEntries, "Stripe": stripeEntries, "Viva": vivaEntries})
})
g.GET("/methods", func(c *gin.Context) {
amount, err := strconv.ParseFloat(c.Query("amount"), 64)
if err != nil {
amount = 10.00
}
c.HTML(200, "methods.gohtml", gin.H{"Amount": amount})
})
setupWsPayEndpoints(g.Group("wspay"), wspayService)
setupStripeEndpoints(g.Group("stripe"), stripeService)
setupVivaEndpoints(g.Group("viva"), vivaService)
log.Fatal(http.ListenAndServe(":5281", g))
}
func getAccounts() gin.Accounts {
auth := strings.Split(envMustExist("AUTH"), ":")
return gin.Accounts{auth[0]: auth[1]}
}
func parseDateTime(dateTime string) time.Time {
t, err := time.Parse("20060102150405", dateTime)
if err != nil {
log.Printf("couldn't parse response time %s: %v", dateTime, err)
}
return t
}
func setupVivaEndpoints(g *gin.RouterGroup, vivaService viva.Service) {
g.GET("", func(c *gin.Context) {
amount, err := strconv.ParseFloat(c.Query("amount"), 64)
if err != nil {
c.AbortWithError(http.StatusBadRequest, err)
return
}
entry, err := vivaService.CreateEntry(int64(amount * 100))
if err != nil {
c.AbortWithError(http.StatusBadRequest, err)
return
}
log.Printf("Created initial viva entry (ammount=%d)", amount)
entry, err = vivaService.CreatePaymentOrder(entry)
if err != nil {
c.AbortWithError(http.StatusBadRequest, err)
return
}
vivaService.Update(entry)
c.Redirect(http.StatusSeeOther, "https://demo.vivapayments.com/web/checkout?ref="+entry.OrderId)
})
g.POST("complete/:id", func(c *gin.Context) {
id := uuid.MustParse(c.Param("id"))
amount, err := strconv.ParseFloat(c.PostForm("amount"), 64)
if err != nil {
c.AbortWithError(http.StatusBadRequest, err)
return
}
entry, err := vivaService.FetchById(id)
if err != nil {
c.AbortWithError(http.StatusNotFound, err)
return
}
if int64(amount*100) > entry.TotalAmount || int64(amount*100) < 1 {
c.AbortWithError(http.StatusBadRequest, err)
return
}
if entry.State == state.StateInitialized || entry.State == state.StateAccepted {
entry, err = vivaService.CompleteTransaction(entry, int64(amount*100))
if err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
vivaService.Update(entry)
}
c.Redirect(http.StatusSeeOther, "/viva/info/"+id.String())
})
g.POST("cancel/:id", func(c *gin.Context) {
id := uuid.MustParse(c.Param("id"))
entry, err := vivaService.FetchById(id)
if err != nil {
c.AbortWithError(http.StatusNotFound, err)
return
}
if entry.State == state.StateInitialized || entry.State == state.StateAccepted {
entry, err = vivaService.CancelTransaction(entry)
if err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
vivaService.Update(entry)
}
c.Redirect(http.StatusSeeOther, "/viva/info/"+id.String())
})
g.GET("success", func(c *gin.Context) {
transactionId := uuid.MustParse(c.Query("t"))
orderId := viva.OrderId(c.Query("s"))
lang := c.Query("lang")
eventId := c.Query("eventId")
eci := c.Query("eci")
log.Printf("Received success response for viva payment %s", orderId)
entry, err := vivaService.FetchByOrderId(orderId)
if err != nil {
log.Printf("Couldn't find payment info for viva payment %s", orderId)
c.AbortWithError(http.StatusInternalServerError, err)
return
}
entry.State = state.StateAccepted
entry.ECI = eci
entry.Lang = lang
entry.EventId = eventId
entry.TransactionId = transactionId
if err := vivaService.Update(entry); err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
log.Printf("Viva payment %s received correctly, returning redirect", entry.OrderId)
c.Redirect(http.StatusTemporaryRedirect, "/")
})
g.GET("error", func(c *gin.Context) {
transactionId := uuid.MustParse(c.Query("t"))
orderId := viva.OrderId(c.Query("s"))
lang := c.Query("lang")
eventId := c.Query("eventId")
eci := c.Query("eci")
log.Printf("Received error response for viva payment %s", orderId)
entry, err := vivaService.FetchByOrderId(orderId)
if err != nil {
log.Printf("Couldn't find payment info for viva payment %s", orderId)
c.AbortWithError(http.StatusInternalServerError, err)
return
}
entry.State = state.StateAccepted
entry.ECI = eci
entry.Lang = lang
entry.EventId = eventId
entry.TransactionId = transactionId
if err := vivaService.Update(entry); err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
log.Printf("Viva payment %s received correctly, returning redirect", entry.OrderId)
c.Redirect(http.StatusTemporaryRedirect, "/")
})
g.GET("info/:id", func(c *gin.Context) {
id := uuid.MustParse(c.Param("id"))
entry, err := vivaService.FetchById(id)
if err != nil {
c.AbortWithError(http.StatusNotFound, err)
return
}
c.HTML(200, "viva_info.gohtml", gin.H{"Entry": entry})
})
}
func setupStripeEndpoints(g *gin.RouterGroup, stripeService stripe2.Service) {
g.GET("", func(c *gin.Context) {
amount, err := strconv.ParseFloat(c.Query("amount"), 64)
if err != nil {
c.AbortWithError(http.StatusBadRequest, err)
return
}
entry, err := stripeService.CreateEntry(int64(amount * 100))
if err != nil {
c.AbortWithError(http.StatusBadRequest, err)
return
}
log.Printf("Created initial stripe entry (ammount=%d)", amount)
currency := string(stripe.CurrencyEUR)
productName := "Example product"
productDescription := "Simple example product"
params := &stripe.CheckoutSessionParams{
LineItems: []*stripe.CheckoutSessionLineItemParams{
{
PriceData: &stripe.CheckoutSessionLineItemPriceDataParams{
Currency: &currency,
ProductData: &stripe.CheckoutSessionLineItemPriceDataProductDataParams{
Name: &productName,
Description: &productDescription,
},
UnitAmount: &entry.TotalAmount,
},
Quantity: stripe.Int64(1),
},
},
Mode: stripe.String(string(stripe.CheckoutSessionModePayment)),
PaymentIntentData: &stripe.CheckoutSessionPaymentIntentDataParams{
CaptureMethod: stripe.String("manual"),
},
SuccessURL: stripe.String(BackendUrl + "/stripe/success?token=" + entry.Id.String()),
CancelURL: stripe.String(BackendUrl + "/stripe/cancel?token=" + entry.Id.String()),
}
result, err := session.New(params)
if err != nil {
c.AbortWithError(http.StatusBadRequest, err)
return
}
entry.PaymentIntentId = result.PaymentIntent.ID
stripeService.Update(entry)
c.Redirect(http.StatusSeeOther, result.URL)
})
g.POST("complete/:id", func(c *gin.Context) {
id := uuid.MustParse(c.Param("id"))
amount, err := strconv.ParseFloat(c.PostForm("amount"), 64)
if err != nil {
c.AbortWithError(http.StatusBadRequest, err)
return
}
entry, err := stripeService.FetchById(id)
if err != nil {
c.AbortWithError(http.StatusNotFound, err)
return
}
if int64(amount*100) > entry.TotalAmount || int64(amount*100) < 1 {
c.AbortWithError(http.StatusBadRequest, err)
return
}
if entry.State == state.StateInitialized || entry.State == state.StateAccepted {
params := &stripe.PaymentIntentCaptureParams{
AmountToCapture: stripe.Int64(int64(amount * 100)),
}
pi, err := paymentintent.Capture(entry.PaymentIntentId, params)
if err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
log.Printf("received state on completion: %v", pi.Status)
if pi.Status == stripe.PaymentIntentStatusSucceeded || pi.Status == stripe.PaymentIntentStatusProcessing {
entry.TotalAmount = pi.Amount
entry.State = state.StateCompleted
stripeService.Update(entry)
}
}
c.Redirect(http.StatusSeeOther, "/stripe/info/"+id.String())
})
g.POST("cancel/:id", func(c *gin.Context) {
id := uuid.MustParse(c.Param("id"))
entry, err := stripeService.FetchById(id)
if err != nil {
c.AbortWithError(http.StatusNotFound, err)
return
}
if entry.State == state.StateInitialized || entry.State == state.StateAccepted {
params := &stripe.PaymentIntentCancelParams{}
pi, err := paymentintent.Cancel(entry.PaymentIntentId, params)
if err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
log.Printf("received state on completion: %v", pi.Status)
if pi.Status == stripe.PaymentIntentStatusCanceled {
entry.State = state.StateCanceled
stripeService.Update(entry)
}
}
c.Redirect(http.StatusSeeOther, "/stripe/info/"+id.String())
})
g.GET("success", func(c *gin.Context) {
id := uuid.MustParse(c.Query("token"))
log.Printf("Received success response for stripe payment %s", id)
entry, err := stripeService.FetchById(id)
if err != nil {
log.Printf("Couldn't find payment info for stripe payment %s", id)
c.AbortWithError(http.StatusInternalServerError, err)
return
}
entry.State = state.StateAccepted
if err := stripeService.Update(entry); err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
log.Printf("Stripe payment %s received correctly, returning redirect", id)
c.Redirect(http.StatusTemporaryRedirect, "/")
})
g.GET("error", func(c *gin.Context) {
id := uuid.MustParse(c.Query("token"))
log.Printf("Received error response for stripe payment %s", id)
entry, err := stripeService.FetchById(id)
if err != nil {
log.Printf("Couldn't find payment info for stripe payment %s", id)
c.AbortWithError(http.StatusInternalServerError, err)
return
}
entry.State = state.StateError
if err := stripeService.Update(entry); err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
log.Printf("Stripe payment %s received correctly, returning redirect", id)
c.Redirect(http.StatusTemporaryRedirect, "/")
})
g.GET("info/:id", func(c *gin.Context) {
id := uuid.MustParse(c.Param("id"))
entry, err := stripeService.FetchById(id)
if err != nil {
c.AbortWithError(http.StatusNotFound, err)
return
}
c.HTML(200, "stripe_info.gohtml", gin.H{"Entry": entry})
})
}
func setupWsPayEndpoints(g *gin.RouterGroup, wspayService wspay.Service) {
g.GET("", func(c *gin.Context) {
amount, err := strconv.ParseFloat(c.Query("amount"), 64)
if err != nil {
c.AbortWithError(http.StatusBadRequest, err)
return
}
entry, err := wspayService.CreateEntry(WsPayShopId, int64(amount*100))
if err != nil {
c.AbortWithError(http.StatusBadRequest, err)
return
}
log.Printf("Created initial wspay form (ammount=%d)", amount)
form := wspay.WsPayForm{
ShopID: WsPayShopId,
ShoppingCartID: entry.ShoppingCartID,
Version: "2.0",
TotalAmount: entry.TotalAmount,
ReturnURL: BackendUrl + "/wspay/success",
ReturnErrorURL: BackendUrl + "/wspay/error",
CancelURL: BackendUrl + "/wspay/cancel",
Signature: wspay.CalculateFormSignature(WsPayShopId, WsPayShopSecret, entry.ShoppingCartID, entry.TotalAmount),
}
c.HTML(200, "wspay.gohtml", gin.H{"Action": wspay.AuthorisationForm, "Form": form})
})
g.POST("complete/:id", func(c *gin.Context) {
id := uuid.MustParse(c.Param("id"))
amount, err := strconv.ParseFloat(c.PostForm("amount"), 64)
if err != nil {
c.AbortWithError(http.StatusBadRequest, err)
return
}
entry, err := wspayService.FetchById(id)
if err != nil {
c.AbortWithError(http.StatusNotFound, err)
return
}
if int64(amount*100) > entry.TotalAmount || int64(amount*100) < 1 {
c.AbortWithError(http.StatusBadRequest, err)
return
}
if entry.State == state.StateAccepted {
var request = wspay.WsPayCompletionRequest{
Version: "2.0",
WsPayOrderId: entry.ShoppingCartID,
ShopId: entry.ShopID,
ApprovalCode: entry.ApprovalCode,
STAN: entry.STAN,
Amount: int64(amount * 100),
Signature: wspay.CalculateCompletionSignature(WsPayShopId, WsPayShopSecret, entry.ShoppingCartID, entry.STAN, entry.ApprovalCode, int64(amount*100)),
}
content, _ := json.Marshal(&request)
response, err := http.Post("https://test.wspay.biz/api/services/completion", "application/json", bytes.NewBuffer(content))
if err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
if response.StatusCode == http.StatusOK {
transactionResponse := wspay.WsPayCompletionResponse{}
content, err := io.ReadAll(response.Body)
if err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
if err := json.Unmarshal(content, &transactionResponse); err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
} else {
log.Printf("Received transaction response: success=%s, errorMessage=%s, approvalCode=%s",
transactionResponse.ActionSuccess, transactionResponse.ErrorMessage, transactionResponse.ApprovalCode,
)
if wspay.CompareCompletionReturnSignature(transactionResponse.Signature, WsPayShopId, WsPayShopSecret, entry.ShoppingCartID, entry.STAN, transactionResponse.ActionSuccess, transactionResponse.ApprovalCode) != nil {
entry.TotalAmount = int64(amount * 100)
entry.State = state.StateCompleted
wspayService.Update(entry)
} else {
c.AbortWithError(http.StatusInternalServerError, errors.New("received invalid signature"))
return
}
}
} else {
c.AbortWithError(http.StatusInternalServerError, errors.New("received wrong status, expected 200 received "+strconv.FormatInt(int64(response.StatusCode), 10)))
return
}
}
c.Redirect(http.StatusSeeOther, "/wspay/info/"+id.String())
})
g.POST("cancel/:id", func(c *gin.Context) {
id := uuid.MustParse(c.Param("id"))
entry, err := wspayService.FetchById(id)
if err != nil {
c.AbortWithError(http.StatusNotFound, err)
return
}
if entry.State == state.StateAccepted {
var request = wspay.WsPayCompletionRequest{
Version: "2.0",
WsPayOrderId: entry.ShoppingCartID,
ShopId: entry.ShopID,
ApprovalCode: entry.ApprovalCode,
STAN: entry.STAN,
Amount: entry.TotalAmount,
Signature: wspay.CalculateCompletionSignature(WsPayShopId, WsPayShopSecret, entry.ShoppingCartID, entry.STAN, entry.ApprovalCode, entry.TotalAmount),
}
content, _ := json.Marshal(&request)
response, err := http.Post("https://test.wspay.biz/api/services/void", "application/json", bytes.NewBuffer(content))
if err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
if response.StatusCode == http.StatusOK {
transactionResponse := wspay.WsPayCompletionResponse{}
content, err := io.ReadAll(response.Body)
if err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
if err := json.Unmarshal(content, &transactionResponse); err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
} else {
log.Printf("Received transaction response: success=%s, errorMessage=%s, approvalCode=%s",
transactionResponse.ActionSuccess, transactionResponse.ErrorMessage, transactionResponse.ApprovalCode,
)
if wspay.CompareCompletionReturnSignature(transactionResponse.Signature, WsPayShopId, WsPayShopSecret, entry.ShoppingCartID, entry.STAN, transactionResponse.ActionSuccess, transactionResponse.ApprovalCode) != nil {
entry.State = state.StateCanceled
wspayService.Update(entry)
} else {
c.AbortWithError(http.StatusInternalServerError, errors.New("received invalid signature"))
return
}
}
} else {
c.AbortWithError(http.StatusInternalServerError, errors.New("received wrong status, expected 200 received "+strconv.FormatInt(int64(response.StatusCode), 10)))
return
}
}
c.Redirect(http.StatusSeeOther, "/wspay/info/"+id.String())
})
g.GET("success", func(c *gin.Context) {
response := wspay.WsPayFormReturn{}
if err := c.ShouldBind(&response); err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
log.Printf("Received success response for transaction %s", response.ShoppingCartID)
entry, err := wspayService.FetchByShoppingCartID(response.ShoppingCartID)
if err != nil {
log.Printf("Couldn't find payment info for transaction %s", response.ShoppingCartID)
c.AbortWithError(http.StatusInternalServerError, err)
return
}
if err := wspay.CompareFormReturnSignature(response.Signature, WsPayShopId, WsPayShopSecret, response.ShoppingCartID, response.Success, response.ApprovalCode); err != nil {
log.Printf("Invalid signature for transaction %s", response.ShoppingCartID)
c.AbortWithError(http.StatusBadRequest, err)
return
}
entry.Lang = response.Lang
entry.CustomerFirstName = response.CustomerFirstName
entry.CustomerLastName = response.CustomerSurname
entry.CustomerAddress = response.CustomerAddress
entry.CustomerCity = response.CustomerCity
entry.CustomerZIP = response.CustomerZIP
entry.CustomerCountry = response.CustomerCountry
entry.CustomerPhone = response.CustomerPhone
entry.PaymentPlan = response.PaymentPlan
entry.CreditCardNumber = response.CreditCardNumber
entry.DateTime = parseDateTime(response.DateTime)
entry.ECI = response.ECI
entry.STAN = response.STAN
entry.Success = response.Success
entry.ApprovalCode = response.ApprovalCode
entry.ErrorMessage = response.ErrorMessage
entry.State = state.StateAccepted
if err := wspayService.Update(entry); err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
if c.Query("iframe") != "" {
log.Printf("Transaction %s received correctly, returning iframe response", response.ShoppingCartID)
c.HTML(200, "iframe_handler.gohtml", gin.H{})
} else {
log.Printf("Transaction %s received correctly, returning redirect", response.ShoppingCartID)
c.Redirect(http.StatusTemporaryRedirect, "/")
}
})
g.GET("error", func(c *gin.Context) {
response := wspay.WsPayFormError{}
if err := c.ShouldBind(&response); err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
log.Printf("Received error response for transaction %s", response.ShoppingCartID)
entry, err := wspayService.FetchByShoppingCartID(response.ShoppingCartID)
if err != nil {
log.Printf("Couldn't find payment info for transaction %s", response.ShoppingCartID)
c.AbortWithError(http.StatusInternalServerError, err)
return
}
entry.Lang = response.Lang
entry.CustomerFirstName = response.CustomerFirstName
entry.CustomerLastName = response.CustomerSurname
entry.CustomerAddress = response.CustomerAddress
entry.CustomerCity = response.CustomerCity
entry.CustomerZIP = response.CustomerZIP
entry.CustomerCountry = response.CustomerCountry
entry.CustomerPhone = response.CustomerPhone
entry.PaymentPlan = response.PaymentPlan
entry.DateTime = parseDateTime(response.DateTime)
entry.ECI = response.ECI
entry.Success = response.Success
entry.ApprovalCode = response.ApprovalCode
entry.ErrorMessage = response.ErrorMessage
entry.ErrorCodes = response.ErrorCodes
entry.State = state.StateError
if err := wspayService.Update(entry); err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
if c.Query("iframe") != "" {
log.Printf("Transaction %s received correctly, returning iframe response", response.ShoppingCartID)
c.HTML(200, "iframe_handler.gohtml", gin.H{})
} else {
log.Printf("Transaction %s received correctly, returning redirect", response.ShoppingCartID)
c.Redirect(http.StatusTemporaryRedirect, "/")
}
})
g.GET("info/:id", func(c *gin.Context) {
id := uuid.MustParse(c.Param("id"))
entry, err := wspayService.FetchById(id)
if err != nil {
c.AbortWithError(http.StatusNotFound, err)
return
}
c.HTML(200, "wspay_info.gohtml", gin.H{"Entry": entry})
})
g.GET("cancel", func(c *gin.Context) {
response := wspay.WsPayFormCancel{}
if err := c.ShouldBind(&response); err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
log.Printf("Received error response for transaction %s", response.ShoppingCartID)
entry, err := wspayService.FetchByShoppingCartID(response.ShoppingCartID)
if err != nil {
log.Printf("Couldn't find payment info for transaction %s", response.ShoppingCartID)
c.AbortWithError(http.StatusInternalServerError, err)
return
}
entry.State = state.StateCanceledInitialization
if err := wspayService.Update(entry); err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
if c.Query("iframe") != "" {
log.Printf("Transaction %s received correctly, returning iframe response", response.ShoppingCartID)
c.HTML(200, "iframe_handler.gohtml", gin.H{})
} else {
log.Printf("Transaction %s received correctly, returning redirect", response.ShoppingCartID)
c.Redirect(http.StatusTemporaryRedirect, "/")
}
})
}