Kansuler/payment-swish

A package to simplify integrations against the Swedish payment solution Swish.

It is recommended to read through the integration guide thoroughly to understand the the process, and what responses that can occur.

API and detailed documentation can be found at https://godoc.org/github.com/Kansuler/payment-swish

This library implements version 2 of create payment request and create refund.

Installation

go get github.com/Kansuler/payment-swish

Usage

package main

import (
	"context"
	swish "github.com/Kansuler/payment-swish"
	"github.com/satori/go.uuid"
	"io/ioutil"
	"log"
)

func main() {
	cert, err := ioutil.ReadFile("certificates/Swish_Merchant_TestCertificate_1234679304.p12")
	if err != nil {
		log.Fatalf("could not load test certificate: %s", err.Error())
	}

	s, err := swish.New(swish.Options{
		Passphrase:     "swish",
		CA:             swish.TestCertificate,
		SSLCertificate: cert,
		Test:           true,
		Timeout:        5,
	})
	if err != nil {
		log.Fatalf("could not create swish instance: %s", err.Error())
	}

	paymentRequest := swish.CreatePaymentRequestOptions{
		InstructionUUID:       uuid.NewV4().String(),
		CallbackURL:           "https://localhost:8080/callback",
		PayeeAlias:            "1234679304",
		Amount:                "100.01",
		Currency:              "SEK",
		PayeePaymentReference: "",
		PayerAlias:            "",
		PayerSSN:              "",
		PayerAgeLimit:         "",
		Message:               "",
	}

	payment, err := s.CreatePaymentRequest(context.Background(), paymentRequest)
	if err != nil {
		log.Fatalf("could not create payment paymentRequest: %s", err.Error())
	}

	_, err = s.Status(context.Background(), payment.Location)
	if err != nil {
		log.Fatalf("could not get status of payment: %s", err.Error())
	}

	refundRequest := swish.CreateRefundOptions{
		InstructionUUID:          uuid.NewV4().String(),
		OriginalPaymentReference: paymentRequest.InstructionUUID,
		CallbackURL:              paymentRequest.CallbackURL,
		PayerAlias:               paymentRequest.PayeeAlias,
		Amount:                   paymentRequest.Amount,
		Currency:                 paymentRequest.Currency,
		PayerPaymentReference:    "123",
		Message:                  "Refund",
	}

	refund, err := s.CreateRefund(context.Background(), refundRequest)
	if err != nil {
		log.Fatalf("could not create refund: %s", err.Error())
	}

	_, err = s.Status(context.Background(), refund.Location)
	if err != nil {
		log.Fatalf("could not get status of refund: %s", err.Error())
	}
}

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.