Mit 3440 - UPA Flow for offsite payment method.

[pratik-bharodiya]

Description

Implement UPA flow for offsite payment (proptpay,Paynow,etc..) methods. Redirect customer to UPA page when UPA feature is enable from admin configuration instead of normal payment flow.

• Ticket ID : https://opn-ooo.atlassian.net/browse/MIT-3440

Rollback procedure

default rollback procedure

[Copilot]

Pull request overview

Adds support for the UPA (Omise Checkout Session) flow in the Magento checkout integration by conditionally redirecting shoppers to an authorization URL after order placement, and by persisting the appropriate UPA metadata on the order payment.

Changes:

• Add an omise_upa_feature gated flow for offline payment renderer to fetch /V1/orders/:order_id/omise-offsite and redirect to authorize_uri.
• Tighten typing in CapabilityConfigProvider::isWlbEnabled() by adding an array parameter type.
• Update UPAPaymentDetailsHandler to derive and store payment_type from the Omise method id mapping (via OmiseHelper).

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 4 comments.

File	Description
view/frontend/web/js/view/payment/omise-offline-method-renderer.js	Adds UPA-feature conditional redirect flow using Magento Web API response.
Model/Ui/CapabilityConfigProvider.php	Improves type-safety for WLB-enabled detection helper.
Gateway/Response/UPAPaymentDetailsHandler.php	Stores UPA redirect/session details and sets payment_type based on mapped method id.

Comments suppressed due to low confidence (1)

Gateway/Response/UPAPaymentDetailsHandler.php:48

• UPAPaymentDetailsHandler now sets payment_type based on the method mapping. There are unit tests for the non-UPA PaymentDetailsHandler (e.g. Test/Unit/PaymentDetailsHandlerTest.php), but no equivalent coverage for this handler. Adding a unit test would help prevent regressions for payment_type/additional-information behavior in the UPA flow.

    public function handle(array $handlingSubject, array $response)
    {
        $payment       = SubjectReader::readPayment($handlingSubject);
        $payment       = $payment->getPayment();
        
        $methodId = $this->helper->getMethodId($payment->getMethod());
        $paymentType   = ($response['session']->object == "checkout_session") ? $methodId : null;
        $order         = $payment->getOrder();

        $payment->setAdditionalInformation('upa_redirect_uri', $response['session']->redirect_url);
        $payment->setAdditionalInformation('session_id', $response['session']->id);
        $payment->setAdditionalInformation('payment_type', $paymentType);

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