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jgdev/cardnet_service.py

Last active February 5, 2024 23:38
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Implementación CardNet Python
Raw
cardnet_service.py
from myapp.settings.base import API_BASE_URL, PAYMENTS_MERCHANT_NAME, PAYMENTS_MERCHANT_NUMBER, PAYMENTS_MERCHANT_TERMINAL, PAYMENTS_MCC
from myapp_payments.models import Transaction
from django.utils.translation import gettext as _
class CardNetPaymentIntegrationService:
def get_message_from_status_code(status_code):
match status_code:
case "success":
return _("Success")
case "call_bank_entity":
return _("Call bank entity")
case "invalid_merchant":
return _("Invalid merchant")
case "transaction_rejected":
return _("Transaction rejected")
case "error_message":
return _("Error message")
case "card_rejected":
return _("Card rejected")
case "request_in_progress":
return _("Request in progress")
case "partial_approvation":
return _("Partial approvation")
case "invalid_transaction":
return _("Invalid transaction")
case "invalid_account":
return _("Invalid account")
case "invalid_amount":
return _("Invalid amount")
case "not_such_issuer":
return _("No such issuer")
case "customer_cancellation":
return _("Customer cancellation")
case "customer_dispute":
return _("Customer dispute")
case "retry_transaction":
return _("Retry transaction")
case "no_action_taken":
return _("No action taken")
case "transaction_not_approved":
return _("Transaction not approved")
case "transaction_not_accepted":
return _("Transaction not accepted")
case "duplicated_record":
return _("Duplicated record")
case "partially_completed":
return _("Partially completed")
case "card_expired":
return _("Card expired")
case "invalid_card":
return _("Invalid card")
case "insufficient_funds":
return _("Insufficient funds")
case "transaction_not_permitted":
return _("Transaction not permitted")
case "withdrawal_limit_exceeded":
return _("Withdrawal limit exceeded")
case "restricted_card":
return _("Restricted card")
case "rejected":
return _("Rejected")
case "pin_invalid":
return _("Pin invalid")
case "pin_required":
return _("Pin required")
case "cvv_or_cvc_error":
return _("Cvv or cvc error")
case _:
return _("Unexpected error")
def get_status_from_response_code(response_code):
match response_code:
case "00":
return Transaction.TRANSACTION_STATUS_SUCCESS
case "04" | "05" | "07" | "51" | "79" | "22" | "23" | "33" | "79":
return Transaction.TRANSACTION_STATUS_REJECTED
case _:
return Transaction.TRANSACTION_STATUS_ERROR
def get_details_from_response_code(response_code):
match response_code:
case "00":
return "success"
case "01" | "02" | "08":
return "call_bank_entity"
case "03":
return "invalid_merchant"
case "04" | "05":
return "transaction_rejected"
case "06":
return "error_message"
case "07":
return "card_rejected"
case "09":
return "request_in_progress"
case "10":
return "partial_approvation"
case "12":
return "invalid_transaction"
case "13":
return "invalid_amount"
case "14" | "42" | "52" | "53" | "56":
return "invalid_account"
case "15":
return "not_such_issuer"
case "17":
return "customer_cancellation"
case "18":
return "customer_dispute"
case "19":
return "retry_transaction"
case "20" | "21":
return "no_action_taken"
case "22" | "34" | "35" | "36" | "37" | "38" | "41" | "43":
return "transaction_not_approved"
case "23":
return "transaction_not_accepted"
case "26" | "94":
return "duplicated_record"
case "32":
return "partially_completed"
case "33":
return "card_expired"
case "39" | "54":
return "invalid_card"
case "51":
return "insufficient_funds"
case "57" | "58":
return "transaction_not_permitted"
case "61":
return "withdrawal_limit_exceeded"
case "62":
return "restricted_card"
case "79":
return "rejected"
case "81":
return "pin_invalid"
case "82":
return "pin_required"
case "99":
return "cvv_or_cvc_error"
case _:
return "unexpected_error"
def get_payment_authorization_response(data: dict):
response_code = data.get("ResponseCode")
authorization = data.get("AuthorizationCode")
response_code_details = (
CardNetPaymentIntegrationService.get_details_from_response_code(
response_code
)
)
status_code = CardNetPaymentIntegrationService.get_status_from_response_code(
response_code
)
message = CardNetPaymentIntegrationService.get_message_from_status_code(response_code_details)
return (
status_code,
data.get("OrderId"),
data.get("TransactionID"),
response_code_details,
message,
authorization
)
def get_payment_authorization_params(
transaction: Transaction,
reference: str,
client_ip: str,
payment_integration_type: str,
tx_type: str,
):
if transaction.currency != "USD" and transaction.currency != "DOP":
raise Exception("Currency %s not supported" % transaction.currency)
return {
"TransactionType": "0200",
"Amount": transaction.amount * 100,
"Tax": transaction.tax * 100,
"CurrencyCode": 214
if transaction.currency == "DOP"
else 840, # DOP=214, USD=840
"MerchantName": PAYMENTS_MERCHANT_NAME,
"MerchantNumber": PAYMENTS_MERCHANT_NUMBER,
"MerchantTerminal": PAYMENTS_MERCHANT_TERMINAL,
"MerchanType": PAYMENTS_MCC,
"ReturnUrl": "%s/v1/payments/transactions/check_transaction/?payment_integration_type=%s&tx_type=%s"
% (API_BASE_URL, payment_integration_type, tx_type),
"CancelUrl": "%s/v1/payments/transactions/reject/" % API_BASE_URL,
"PageLanguaje": "en",
"TransactionId": reference,
"KeyEncriptionKey": "1fc500b127d04b532f759d183944b057",
"Ipclient": client_ip,
"AcquiringInstitutionCode": "349",
"OrdenID": transaction.id,
}
Raw
test_form.js
const http = require('http')
const url = 'http://localhost:3000';
const server = http.createServer((req, res) => {
if (req.method === 'GET' && req.url === '/') {
res.setHeader('Content-Type', 'text/html')
res.write(`<form action="https://lab.cardnet.com.do/authorize" method="POST">
<input name="TransactionType" value="0200" type="hidden" />
<input name="Amount" value="55000.00" type="hidden"/>
<input name="Tax" value="0.00" type="hidden"/>
<input name="CurrencyCode" value="214" type="hidden"/>
<input name="MerchantName" value="COMERCIO PARA REALIZAR PRUEBAS DO" type="hidden"/>
<input name="MerchantNumber" value="349000000" type="hidden"/>
<input name="MerchantTerminal" value="58585858" type="hidden"/>
<input name="MerchanType" value="7997" type="hidden"/>
<input name="ReturnUrl" value="${url}/v1/payments/transactions/check_transaction/?payment_integration_type=credit_card&tx_type=leads" type="hidden"/>
<input name="CancelUrl" value="${url}/v1/payments/transactions/reject/" type="hidden"/>
<input name="PageLanguaje" value="en" type="hidden"/>
<input name="TransactionId" value="2HJUSD" type="hidden"/>
<input name="KeyEncriptionKey" value="1fc500b127d04b532f759d183944b057" type="hidden"/>
<input name="Ipclient" value="134.209.169.7" type="hidden"/>
<input name="AcquiringInstitutionCode" value="349" type="hidden"/>
<input name="OrdenID" value="a5a7e92e-a1d6-4e46-ad9e-38758756e9f7" type="hidden"/>
<button>Make payment</button>
</form>`)
res.statusCode = 200;
} else if (req.method === "POST") {
let data;
req.on('data', d => {
if (!data) data = d
else data += d
})
req.on('end', () => {
console.log('CardNet response', data.toString('utf8'))
res.setHeader('Content-Type', 'text/html')
res.write('<a href="/">Go back</a>');
res.statusCode = 200
})
} else {
res.setHeader('location', '/')
}
})
server.listen(3000, () => {
console.log(`Server ready at: ${url}`)
})
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