fix(connector): [DEUTSCHE] Trim spaces in IBAN

[deepanshu-iiitu]

Type of Change

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

Description

Trim the spaces in IBAN before sending it in SEPA Mandate Post and Direct Debit requests for Deutsche Bank.

Additional Changes

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

Motivation and Context

#5976

How did you test it?

Request:

curl --location 'http://localhost:8080/payments' \
--header 'Content-Type: application/json' \
--header 'Accept: application/json' \
--header 'api-key: dev_2QpEeK0ByPRkb2DPBxHfad4i1WxQO3hZSuVzlFcg9mTrLFUHRpGfE0SCuQwZjGEb' \
--data '{
    "amount": 9000,
    "currency": "EUR",
    "confirm": true,
    "profile_id": "pro_EuXuxP2KVO0m1tlDWSau",
    "customer_id": "customer123",
    "payment_method": "bank_debit",
    "payment_method_type": "sepa",
    "payment_method_data": {
        "bank_debit": {
            "sepa_bank_debit": {
                "iban": "DE87 1234 5678 1234 5678 90"
            }
        }
    },
    "billing": {
        "address": {
            "first_name": "joseph",
            "last_name": "doe"
        }
    },
    "customer_acceptance": {
        "acceptance_type": "offline"
    },
    "setup_future_usage": "off_session"
}'

Response:

{
    "payment_id": "pay_THxTbiKwV1xv7Tmkqe8I",
    "merchant_id": "merchant_1725539597",
    "status": "requires_customer_action",
    "amount": 9000,
    "net_amount": 9000,
    "amount_capturable": 9000,
    "amount_received": null,
    "connector": "deutschebank",
    "client_secret": "pay_THxTbiKwV1xv7Tmkqe8I_secret_hx91jywe0lywBW5UrLb0",
    "created": "2024-09-20T11:05:32.884Z",
    "currency": "EUR",
    "customer_id": "customer123",
    "customer": {
        "id": "customer123",
        "name": "John Doe",
        "email": "[email protected]",
        "phone": "9999999999",
        "phone_country_code": "+1"
    },
    "description": null,
    "refunds": null,
    "disputes": null,
    "mandate_id": null,
    "mandate_data": null,
    "setup_future_usage": "off_session",
    "off_session": null,
    "capture_on": null,
    "capture_method": null,
    "payment_method": "bank_debit",
    "payment_method_data": {
        "bank_debit": {
            "sepa": {
                "iban": "DE87 **** **** **** **78 90",
                "bank_account_holder_name": null
            }
        },
        "billing": null
    },
    "payment_token": "token_LBU2etjaOq7pdJhAPHMk",
    "shipping": null,
    "billing": {
        "address": {
            "city": null,
            "country": null,
            "line1": null,
            "line2": null,
            "line3": null,
            "zip": null,
            "state": null,
            "first_name": "joseph",
            "last_name": "doe"
        },
        "phone": null,
        "email": null
    },
    "order_details": null,
    "email": "[email protected]",
    "name": "John Doe",
    "phone": "9999999999",
    "return_url": null,
    "authentication_type": "no_three_ds",
    "statement_descriptor_name": null,
    "statement_descriptor_suffix": null,
    "next_action": {
        "type": "redirect_to_url",
        "redirect_to_url": "http://localhost:8080/payments/redirect/pay_THxTbiKwV1xv7Tmkqe8I/merchant_1725539597/pay_THxTbiKwV1xv7Tmkqe8I_1"
    },
    "cancellation_reason": null,
    "error_code": null,
    "error_message": null,
    "unified_code": null,
    "unified_message": null,
    "payment_experience": null,
    "payment_method_type": "sepa",
    "connector_label": null,
    "business_country": null,
    "business_label": "default",
    "business_sub_label": null,
    "allowed_payment_method_types": null,
    "ephemeral_key": {
        "customer_id": "customer123",
        "created_at": 1726830332,
        "expires": 1726833932,
        "secret": "epk_fb2f1bbac4204fc2841fd2b74a295fa0"
    },
    "manual_retry_allowed": null,
    "connector_transaction_id": null,
    "frm_message": null,
    "metadata": null,
    "connector_metadata": null,
    "feature_metadata": null,
    "reference_id": null,
    "payment_link": null,
    "profile_id": "pro_EuXuxP2KVO0m1tlDWSau",
    "surcharge_details": null,
    "attempt_count": 1,
    "merchant_decision": null,
    "merchant_connector_id": "mca_MZAsrTowXuzpeXl4DMj2",
    "incremental_authorization_allowed": null,
    "authorization_count": null,
    "incremental_authorizations": null,
    "external_authentication_details": null,
    "external_3ds_authentication_attempted": false,
    "expires_on": "2024-09-20T11:20:32.884Z",
    "fingerprint": null,
    "browser_info": null,
    "payment_method_id": "pm_R9MnbGoavSYoxTmxMiS2",
    "payment_method_status": null,
    "updated": "2024-09-20T11:05:35.073Z",
    "charges": null,
    "frm_metadata": null,
    "merchant_order_reference_id": null,
    "order_tax_amount": null
}

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 SemanticDiff.

Analyzed 1 of 1 files.

Overall, the semantic diff is 13% smaller than the GitHub diff.

	Filename	Status
✔️	crates/hyperswitch_connectors/src/connectors/deutschebank/transformers.rs	12.09% smaller