11-refund-payment.py

# Example: How to prepare a new refund with the Mollie API.
#

import os

from mollie.api.client import Client
from mollie.api.error import Error


def main():
    try:
        #
        # Initialize the Mollie API library with your API key.
        #
        # See: https://www.mollie.com/dashboard/settings/profiles
        #

        api_key = os.environ.get("MOLLIE_API_KEY", "test_test")
        mollie_client = Client()
        mollie_client.set_api_key(api_key)

        body = ""
        payment_id = ""

        body += "<p>Attempting to retrieve the first page of payments and grabbing the first.</p>"

        payments = mollie_client.payments.list()

        if not len(payments):
            body += "<p>You have no payments. You can create one from the examples.</p>"
            return body

        payment = next(payments)

        if (
            payment.can_be_refunded()
            and payment.amount_remaining["currency"] == "EUR"
            and float(payment.amount_remaining["value"]) >= 2.0
        ):
            data = {"amount": {"value": "2.00", "currency": "EUR"}}
            refund = payment.refunds.create(data)
            body += f'<p>{refund.amount["currency"]} {refund.amount["value"]} of payment {payment_id} refunded</p>'
        else:
            body += f"<p>Payment {payment_id} can not be refunded</p>"
        return body
    except Error as err:
        return f"API call failed: {err}"


if __name__ == "__main__":
    print(main())