feat(payments): [Payment links] Add config for changing button text for payment links

[cookieg13]

Type of Change

• Bugfix
• New feature
• Enhancement
• Refactoring
• Dependency updates
• Documentation
• CI/CD

Description

Added config for changing text of confirm button for payment links

Additional Changes

• This PR modifies the API contract
• This PR modifies the database schema
• This PR modifies application configuration/environment variables

Motivation and Context

How did you test it?

1. Update `allowed_domains` in business profile (Expand to see details)

curl --location --request POST 'http://localhost:8080/account/merchant_1734440294/business_profile/pro_DD9djS7uH6B6uB9A8Nl4' \
--header 'Content-Type: application/json' \
--header 'api-key: test_admin' \
--data-raw '{
    "payment_link_config": {
        "allowed_domains": [
            "*"
        ],
        "enabled_saved_payment_method": true,
        "hide_card_nickname_field": true
    }
}'

2. Create a payment link with `payment_button_text` (Expand to see details)

curl --location --request POST 'http://localhost:8080/payments' \
--header 'Content-Type: application/json' \
--header 'Accept: application/json' \
--header 'api-key: dev_apDeSrDBnIV37SLkVVFFxmJogw3H1KslEXeeAPIqQCamCS6vKk71qkgZlvB1CLUZ' \
--header 'Accept-Language: zh-Hant' \
--data-raw '{
    "amount": 100,
    "currency": "EUR",
    "payment_link": true,
    "connector": [
        "novalnet"
    ],
    "session_expiry": 1000000,
    "return_url": "http://127.0.0.1:5500/src/pl_iframe.html",
    "payment_link_config": {
        "theme": "#14356f",
        "logo": "https://logosandtypes.com/wp-content/uploads/2020/08/zurich.svg",
        "seller_name": "Zurich Inc.",
        "payment_button_text": "Pay Now DG"
    }
}'

Response of /payments
{ "payment_id": "pay_uWGKvq0GhsPOLazRZCaj", "merchant_id": "merchant_1734440294", "status": "requires_payment_method", "amount": 100, "net_amount": 100, "shipping_cost": null, "amount_capturable": 100, "amount_received": null, "connector": null, "client_secret": "pay_uWGKvq0GhsPOLazRZCaj_secret_33a1Sy4E5rs7Tv53I4Is", "created": "2024-12-18T08:00:55.515Z", "currency": "EUR", "customer_id": null, "customer": null, "description": null, "refunds": null, "disputes": null, "mandate_id": null, "mandate_data": null, "setup_future_usage": null, "off_session": null, "capture_on": null, "capture_method": null, "payment_method": null, "payment_method_data": null, "payment_token": null, "shipping": null, "billing": null, "order_details": null, "email": null, "name": null, "phone": null, "return_url": "http://127.0.0.1:5500/src/pl_iframe.html", "authentication_type": null, "statement_descriptor_name": null, "statement_descriptor_suffix": null, "next_action": null, "cancellation_reason": null, "error_code": null, "error_message": null, "unified_code": null, "unified_message": null, "payment_experience": null, "payment_method_type": null, "connector_label": null, "business_country": null, "business_label": "default", "business_sub_label": null, "allowed_payment_method_types": null, "ephemeral_key": null, "manual_retry_allowed": null, "connector_transaction_id": null, "frm_message": null, "metadata": null, "connector_metadata": null, "feature_metadata": null, "reference_id": null, "payment_link": { "link": "http://localhost:8080/payment_link/merchant_1734440294/pay_uWGKvq0GhsPOLazRZCaj?locale=zh-Hant", "secure_link": "http://localhost:8080/payment_link/s/merchant_1734440294/pay_uWGKvq0GhsPOLazRZCaj?locale=zh-Hant", "payment_link_id": "plink_ETWyoDZsOyC4f68LRjdS" }, "profile_id": "pro_DD9djS7uH6B6uB9A8Nl4", "surcharge_details": null, "attempt_count": 1, "merchant_decision": null, "merchant_connector_id": null, "incremental_authorization_allowed": null, "authorization_count": null, "incremental_authorizations": null, "external_authentication_details": null, "external_3ds_authentication_attempted": false, "expires_on": "2024-12-29T21:47:35.508Z", "fingerprint": null, "browser_info": null, "payment_method_id": null, "payment_method_status": null, "updated": "2024-12-18T08:00:55.532Z", "split_payments": null, "frm_metadata": null, "merchant_order_reference_id": null, "order_tax_amount": null, "connector_mandate_id": null }

3. Set `payment_button_text` in business profile config

curl --location --request POST 'http://localhost:8080/account/merchant_1734516409/business_profile/pro_Emk2IPwiF6HkSkjTZCIc' \
--header 'Content-Type: application/json' \
--header 'api-key: test_admin' \
--data-raw '{
    "payment_link_config": {
        "allowed_domains": [
            "*"
        ],
        "enabled_saved_payment_method": true,
        "theme": "#1A1A1A",
        "logo": "https://hyperswitch.io/favicon.ico",
        "background_image": {
            "url": "https://img.freepik.com/free-photo/hand-painted-watercolor-background-with-sky-clouds-shape_24972-1095.jpg",
            "size": "cover"
        },
        "payment_button_text": "DG Pay now",
        "business_specific_configs": {
            "style1": {
                "enabled_saved_payment_method": true,
                "theme": "#FEFEFE",
                "logo": "https://hyperswitch.io/favicon.ico"
            },
            "style2": {
                "enabled_saved_payment_method": true,
                "theme": "#1A1A1A",
                "logo": "https://hyperswitch.io/favicon.ico"
            }
        }
    }
}'

• Create a payment link using /payments

cURL

curl --location --request POST 'http://localhost:8080/payments' \
--header 'Content-Type: application/json' \
--header 'Accept: application/json' \
--header 'api-key: dev_Wnu3HE7zA4MpImfglpdCnSqZ00fL0BVLCj1aNe9TPXldcqXvdHy9nP943V6ud3JB' \
--data-raw '{
    "authentication_type": "three_ds",
    "customer_id": "cus_rFGS1qK0MTSxdj0m5aqo",
    "profile_id": "pro_Emk2IPwiF6HkSkjTZCIc",
    "amount": 100,
    "currency": "HKD",
    "payment_link": true,
    "setup_future_usage": "off_session",
    "description": "This is my description of why this payment was requested.",
    "connector": [
        "adyen"
    ],
    "capture_method": "automatic",
    "billing": {
        "address": {
            "line1": "1467",
            "line2": "Harrison Street",
            "line3": "Harrison Street",
            "city": "San Fransico",
            "state": "CA",
            "zip": "94122",
            "country": "US",
            "first_name": "John",
            "last_name": "Doe"
        },
        "phone": {
            "number": "8056594427",
            "country_code": "+91"
        }
    },
    "email": "john.doe@example.com",
    "session_expiry": 100000,
    "return_url": "https://example.com",
    "payment_link_config": {
        "theme": "#14356f",
        "logo": "https://static.wikia.nocookie.net/logopedia/images/4/41/Zurich-1997-Horizontal.png",
        "seller_name": "Hyperswitch Inc."
    }
}'

4. Screenshots (Expand to see details)

Open the secure payment link (`secure_link` in API response) in an iframe for validating the functionality. For checking payment_link simply click on the payment_link (`payment_link` in API response)

Screenshot for payment link

Screenshot for secured payment link

Checklist

• I formatted the code cargo +nightly fmt --all
• I addressed lints thrown by cargo clippy
• I reviewed the submitted code
• I added unit tests for my changes where possible

[semanticdiff-com]

Review changes with  

Changed Files

File	Status
crates/router/src/core/payment_link/payment_link_initiate/payment_link.js	3% smaller
api-reference-v2/openapi_spec.json	0% smaller
api-reference/openapi_spec.json	0% smaller
crates/api_models/src/admin.rs	0% smaller
crates/api_models/src/payments.rs	0% smaller
crates/diesel_models/src/business_profile.rs	0% smaller
crates/diesel_models/src/payment_intent.rs	0% smaller
crates/hyperswitch_domain_models/src/lib.rs	0% smaller
crates/router/src/core/payment_link.rs	0% smaller
crates/router/src/core/payments/transformers.rs	0% smaller
crates/router/src/types/transformers.rs	0% smaller