feat(payments): [Payment links] add hide card nickname field config for secure payment links

[srujanchikke]

Type of Change

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

Description

Add hide card nickname field config for secure payment links. https://docs.hyperswitch.io/explore-hyperswitch/merchant-controls/integration-guide/web/customization#id-9.-hide-card-nickname-field .

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?

Secure links

1. Update `allowed_domains` in business profile - (unfold to view cURL)

curl --location 'http://localhost:8080/account/merchant_1721984694/business_profile/pro_oXHnmgfZSnfe92PvodqP' \
--header 'Content-Type: application/json' \
--header 'api-key: test_admin' \
--data '{
    "payment_link_config": {
        "allowed_domains": [
            "*"
        ],
        "enabled_saved_payment_method": true,
        "hide_card_nickname_field" : true
    }
}'

2. Create a payment link - (unfold to view cURL)

curl --location 'http://localhost:8080/payments' \
--header 'Content-Type: application/json' \
--header 'Accept: application/json' \
--header 'api-key: dev_eBTVu8OMN1HmE2xr0I0dsfypWOVwQBlietvkxf0sgYMdyFM5nRO40M8M4MLH42Jk' \
--data '{
    "customer_id": "cus_izAOZiynP5URGEvEfmgH",
    "amount": 100,
    "currency": "USD",
    "payment_link": true,
    "connector": [
        "stripe"
    ],
    "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."
    }
}'

3. Open the secure payment link (`secure_link` in API response) in an iframe for validating the functionality. card nickname field should be disabled even when Save card details checkbox is enabled in sdk.

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.rs	58% smaller
api-reference-v2/openapi_spec.json	15% smaller
api-reference/openapi_spec.json	15% smaller
crates/api_models/src/admin.rs	0% smaller
crates/api_models/src/payments.rs	0% smaller
crates/common_utils/src/consts.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/consts.rs	0% smaller
crates/router/src/core/payment_link/payment_link_initiate/payment_link_initiator.js	0% smaller
crates/router/src/core/payment_link/payment_link_initiate/secure_payment_link_initiator.js	0% smaller
crates/router/src/core/payments/transformers.rs	0% smaller
crates/router/src/types/transformers.rs	0% smaller

[SanchithHegde]

Nit:
If some (or all) of these constants are not being used outside of the router crate, I'd prefer moving them all to the router crate itself.

[kashif-m]

Why not use what was configured in the payment link config?

[srujanchikke]

Since displaySavedPaymentMethodsCheckbox is set to false for open payment links, it doesn't matter whether we hide the card nick name field or not. So i mapped it to it's default value in SDK, which is false.