(Ruby) Paynow.pl -- Make a Payment Request

Make a payment request POST with prepared message on Paynow payment request endpoint.

For more information, see https://docs.paynow.pl/#section/Payments/Make-a-payment

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

http = Chilkat::CkHttp.new()

# Implements the following CURL command:

# curl --request POST 'https://api.sandbox.paynow.pl/v1/payments' \
# -H 'Content-Type: application/json' \
# -H 'Api-Key: c12c386b-650b-43db-9430-d84fc05d9433' \
# -H 'Signature: aYPCytCoc+/wFgqHZJjgBCi20omXTn0yzm9LysJgnFo=' \
# -H 'Idempotency-Key: 59c6dd26-f905-487b-96c9-fd1d2bd76885' \
# --data-raw '{
#     "amount": 45671,
#     "externalId": "234567898654",
#     "description": "Test transaction",
#     "buyer": {
#         "email": "jan.kowalski@melements.pl"
#     }
# }'

# Use the following online tool to generate HTTP code from a CURL command
# Convert a cURL Command to HTTP Source Code

# Use this online tool to generate code from sample JSON:
# Generate Code to Create JSON

# The following JSON is sent in the request body.

# {
#   "amount": 45671,
#   "externalId": "234567898654",
#   "description": "Test transaction",
#   "buyer": {
#     "email": "jan.kowalski@melements.pl"
#   }
# }

json = Chilkat::CkJsonObject.new()
json.UpdateInt("amount",45671)
json.UpdateString("externalId","234567898654")
json.UpdateString("description","Test transaction")
json.UpdateString("buyer.email","jan.kowalski@melements.pl")

myApiAccessKey = "c12c386b-650b-43db-9430-d84fc05d9433"
mySigCalcKey = "b758f20d-ba92-44fa-acca-f57e99787b9d"

# Calculate the Signature header.
crypt = Chilkat::CkCrypt2.new()
crypt.put_MacAlgorithm("hmac")
crypt.put_EncodingMode("base64")
crypt.SetMacKeyString(mySigCalcKey)
crypt.put_HashAlgorithm("SHA-256")
messageBody = json.emit()
signature = crypt.macStringENC(messageBody)

http.SetRequestHeader("Idempotency-Key",crypt.generateUuid())
http.SetRequestHeader("Api-Key",myApiAccessKey)
http.SetRequestHeader("Signature",signature)
http.SetRequestHeader("Content-Type","application/json")
http.put_Accept("application/json")

# resp is a CkHttpResponse
resp = http.PostJson3("https://api.sandbox.paynow.pl/v1/payments","application/json",json)
if (http.get_LastMethodSuccess() == false)
    print http.lastErrorText() + "\n";
    exit
end

print "Response body:" + "\n";
print resp.bodyStr() + "\n";

# Sample response:
# {
#   "redirectUrl": "https://paywall.sandbox.paynow.pl/NOA0-YJ9-Y1P-29V?token=eyJraWQiOiJhMD ... L60wk",
#   "paymentId": "NOA0-YJ9-Y1P-29V",
#   "status": "NEW"
# }

jsonResp = Chilkat::CkJsonObject.new()
jsonResp.Load(resp.bodyStr())
redirectUrl = json.stringOf("redirectUrl")
paymentId = json.stringOf("paymentId")
status = json.stringOf("status")