[IMP] payment_iyzico: add paymentSource param

This commit add `paymentSource` param as `ODOO` in checkout forn intialize
payload to allow iyzico team detect payment is coming from odoo and it
help them in the partnership.

task-5067754

Part-of: odoo#228969
Related: odoo/documentation#14702
Signed-off-by: Antoine Vandevenne (anv) <anv@odoo.com>

Author: kcv-odoo

addons/payment_iyzico/models/payment_transaction.py

@@ -93,6 +93,7 @@ def _iyzico_prepare_cf_initialize_payload(self):
             'currency': self.currency_id.name,
             'locale': 'tr' if self.env.lang == 'tr_TR' else 'en',
             'paidPrice': self.amount,
+            'paymentSource': 'ODOO',
             'price': self.amount,
         }
 

addons/payment_iyzico/tests/test_payment_transaction.py

@@ -54,6 +54,7 @@ def test_no_item_missing_from_cf_initialize_payload(self):
             'currency': tx.currency_id.name,
             'locale': 'tr' if tx.env.lang == 'tr_TR' else 'en',
             'paidPrice': tx.amount,
+            'paymentSource': 'ODOO',
             'price': tx.amount,
         })