264 lines
8.4 KiB
Go
264 lines
8.4 KiB
Go
package main
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import (
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"encoding/json"
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"errors"
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"fmt"
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"log"
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"net/http"
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"net/url"
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"time"
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"git.k6n.net/go-cart-actor/pkg/cart"
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messages "git.k6n.net/go-cart-actor/proto/checkout"
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adyenCheckout "github.com/adyen/adyen-go-api-library/v21/src/checkout"
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"github.com/adyen/adyen-go-api-library/v21/src/common"
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"github.com/adyen/adyen-go-api-library/v21/src/hmacvalidator"
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"github.com/adyen/adyen-go-api-library/v21/src/webhook"
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"github.com/google/uuid"
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"google.golang.org/protobuf/proto"
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"google.golang.org/protobuf/types/known/anypb"
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"google.golang.org/protobuf/types/known/timestamppb"
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)
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type SessionRequest struct {
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SessionId *string `json:"sessionId,omitempty"`
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SessionResult string `json:"sessionResult"`
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SessionData *string `json:"sessionData,omitempty"`
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}
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// func (s *CheckoutPoolServer) AdyenSessionHandler(w http.ResponseWriter, r *http.Request, cartId cart.CartId) error {
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// grain, err := s.Get(r.Context(), uint64(cartId))
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// if err != nil {
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// return err
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// }
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// if r.Method == http.MethodGet {
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// service := s.adyenClient.Checkout()
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// req := service.PaymentsApi.GetResultOfPaymentSessionInput(pa).SessionResult(payload.SessionResult)
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// res, _, err := service.PaymentsApi.GetResultOfPaymentSession(r.Context(), req)
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// if err != nil {
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// return err
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// }
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// return s.WriteResult(w, res)
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// } else {
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// payload := &SessionRequest{}
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// if err := json.NewDecoder(r.Body).Decode(payload); err != nil {
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// return err
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// }
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// service := s.adyenClient.Checkout()
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// req := service.PaymentsApi.GetResultOfPaymentSessionInput(payload.SessionId).SessionResult(payload.SessionResult)
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// res, _, err := service.PaymentsApi.GetResultOfPaymentSession(r.Context(), req)
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// if err != nil {
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// return err
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// }
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// return s.WriteResult(w, res)
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// }
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// }
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func getCheckoutIdFromNotificationItem(item webhook.NotificationRequestItem) (*cart.CartId, error) {
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cartId, ok := cart.ParseCartId(item.MerchantReference)
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if !ok {
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log.Printf("The notification does not have a valid cartId: %s", item.MerchantReference)
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return nil, errors.New("invalid cart id")
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}
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return &cartId, nil
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}
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func (s *CheckoutPoolServer) AdyenHookHandler(w http.ResponseWriter, r *http.Request) {
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var notificationRequest webhook.Webhook
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service := s.adyenClient.Checkout()
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if err := json.NewDecoder(r.Body).Decode(¬ificationRequest); err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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for _, notificationItem := range *notificationRequest.NotificationItems {
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item := notificationItem.NotificationRequestItem
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log.Printf("Recieved notification event code: %s, %+v", item.EventCode, item)
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isValid := hmacvalidator.ValidateHmac(item, hmacKey)
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if !isValid {
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log.Printf("notification hmac not valid %s, %v", item.EventCode, item)
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http.Error(w, "Invalid HMAC", http.StatusUnauthorized)
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return
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} else {
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// Marshal item data for PaymentEvent
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dataBytes, err := json.Marshal(item)
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if err != nil {
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log.Printf("error marshaling item: %v", err)
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http.Error(w, "Error marshaling item", http.StatusInternalServerError)
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return
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}
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switch item.EventCode {
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case "CAPTURE":
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checkoutId, err := getCheckoutIdFromNotificationItem(item)
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if err != nil {
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log.Printf("Could not get checkout id: %v", err)
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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log.Printf("Capture status: %v", item.Success)
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isSuccess := item.Success == "true"
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// If successful, apply payment completed
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//if isSuccess {
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if err := s.ApplyAnywhere(r.Context(), *checkoutId,
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&messages.PaymentEvent{
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PaymentId: item.PspReference,
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Success: isSuccess,
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Name: item.EventCode,
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Data: &anypb.Any{Value: dataBytes},
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}, &messages.PaymentCompleted{
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PaymentId: item.PspReference,
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Status: item.Success,
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Amount: item.Amount.Value,
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Currency: item.Amount.Currency,
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ProcessorReference: &item.PspReference,
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CompletedAt: timestamppb.New(time.Now()),
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}); err != nil {
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http.Error(w, "Message not parsed", http.StatusInternalServerError)
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return
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}
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//}
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case "AUTHORISATION":
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isSuccess := item.Success == "true"
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log.Printf("Handling auth: %+v", item)
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checkoutId, err := getCheckoutIdFromNotificationItem(item)
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if err != nil {
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log.Printf("Could not get checkout id: %v", err)
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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msgs := []proto.Message{
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&messages.PaymentEvent{
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PaymentId: item.PspReference,
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Success: isSuccess,
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Name: item.EventCode,
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Data: &anypb.Any{Value: dataBytes},
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},
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}
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if isSuccess {
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msgs = append(msgs, &messages.PaymentCompleted{
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PaymentId: item.PspReference,
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Status: item.Success,
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Amount: item.Amount.Value,
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})
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} else {
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msgs = append(msgs, &messages.PaymentDeclined{
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PaymentId: item.PspReference,
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Message: item.Reason,
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})
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}
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if err := s.ApplyAnywhere(r.Context(), *checkoutId, msgs...); err != nil {
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log.Printf("error applying authorization event: %v", err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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// If successful authorization, trigger capture
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if isSuccess {
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pspReference := item.PspReference
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uid := uuid.New().String()
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ref := checkoutId.String()
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req := service.ModificationsApi.CaptureAuthorisedPaymentInput(pspReference).IdempotencyKey(uid).PaymentCaptureRequest(adyenCheckout.PaymentCaptureRequest{
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Amount: adyenCheckout.Amount(item.Amount),
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MerchantAccount: "ElgigantenECOM",
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Reference: &ref,
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})
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res, _, err := service.ModificationsApi.CaptureAuthorisedPayment(r.Context(), req)
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if err != nil {
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log.Printf("Error capturing payment: %v", err)
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} else {
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log.Printf("Payment captured successfully: %+v", res)
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s.ApplyAnywhere(r.Context(), *checkoutId, &messages.OrderCreated{
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OrderId: res.PaymentPspReference,
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Status: item.EventCode,
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})
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}
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}
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default:
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log.Printf("Unknown event code: %s", item.EventCode)
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log.Printf("Item data: %+v", item)
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isSuccess := item.Success == "true"
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checkoutId, err := getCheckoutIdFromNotificationItem(item)
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if err != nil {
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log.Printf("Could not get checkout id: %v", err)
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} else {
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if err := s.ApplyAnywhere(r.Context(), *checkoutId, &messages.PaymentEvent{
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PaymentId: item.PspReference,
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Success: isSuccess,
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Name: item.EventCode,
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Data: &anypb.Any{Value: dataBytes},
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}); err != nil {
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log.Printf("error applying payment event: %v", err)
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}
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}
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}
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}
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}
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w.WriteHeader(http.StatusAccepted)
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}
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func (s *CheckoutPoolServer) AdyenReturnHandler(w http.ResponseWriter, r *http.Request) {
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log.Println("Redirect received")
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service := s.adyenClient.Checkout()
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req := service.PaymentsApi.GetResultOfPaymentSessionInput(r.URL.Query().Get("sessionId"))
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res, httpRes, err := service.PaymentsApi.GetResultOfPaymentSession(r.Context(), req)
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log.Printf("got payment session %+v", res)
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dreq := service.PaymentsApi.PaymentsDetailsInput()
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dreq = dreq.PaymentDetailsRequest(adyenCheckout.PaymentDetailsRequest{
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Details: adyenCheckout.PaymentCompletionDetails{
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RedirectResult: common.PtrString(r.URL.Query().Get("redirectResult")),
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Payload: common.PtrString(r.URL.Query().Get("payload")),
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},
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})
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dres, httpRes, err := service.PaymentsApi.PaymentsDetails(r.Context(), dreq)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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log.Printf("Payment details response: %+v", dres)
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if !common.IsNil(dres.PspReference) && *dres.PspReference != "" {
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var redirectURL string
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// Conditionally handle different result codes for the shopper
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switch *dres.ResultCode {
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case "Authorised":
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redirectURL = "/result/success"
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case "Pending", "Received":
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redirectURL = "/result/pending"
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case "Refused":
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redirectURL = "/result/failed"
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default:
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reason := ""
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if dres.RefusalReason != nil {
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reason = *dres.RefusalReason
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} else {
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reason = *dres.ResultCode
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}
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log.Printf("Payment failed: %s", reason)
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redirectURL = fmt.Sprintf("/result/error?reason=%s", url.QueryEscape(reason))
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}
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http.Redirect(w, r, redirectURL, http.StatusFound)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(httpRes.StatusCode)
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json.NewEncoder(w).Encode(httpRes.Status)
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}
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