feat: Added expire_payment_link

Author: ritwickdey

README.md

@@ -92,6 +92,15 @@ except SetuAPIException as e:
     assert False
 ```
 
+### Expire bill payment
+
+```python
+try:
+    dl.expire_payment_link(link.platform_bill_id)
+except SetuAPIException as e:
+    assert False
+```
+
 ### Initiate Refund
 
 ```python

setu/deeplink.py

@@ -187,6 +187,15 @@ def trigger_mock_payment(self, amount_value: float, upi_id: str, platform_bill_i
         mock_credit_response_data_schema = MockCreditResponseDataSchema()
         return mock_credit_response_data_schema.load(api_response.json()['data'])
 
+    @Decorators.auth_handler
+    def expire_payment_link(self, platform_bill_id: str):
+        """Expire payment link."""
+        self.session.post(
+            get_url_path(API.EXPIRE_BILL, self.auth_type, self.mode).format(platform_bill_id),
+            headers=self.headers,
+        )
+        return
+
     @Decorators.auth_handler
     def trigger_mock_settlement(self, utrs: List[str]):
         """Trigger mock settlement."""

tests/test_deeplink_expire.py

@@ -0,0 +1,45 @@
+"""Tests for `setu` package."""
+import logging
+from datetime import datetime, timedelta
+
+from setu import Deeplink, SetuAPIException
+
+LOGGER = logging.getLogger(__name__)
+
+
+def test_deeplink_expire(v2_creds):
+    """Test creation of deeplink with minimal parameters."""
+    dl = Deeplink(
+        scheme_id=v2_creds.scheme_id,
+        secret=v2_creds.secret,
+        product_instance_id="861023031961584801",
+        auth_type="OAUTH",
+        mode="SANDBOX",
+    )
+
+    try:
+        # Create Payment Link
+        link = dl.create_payment_link(
+            amount_value=1000,
+            biller_bill_id="test_transaction_1234",
+            amount_exactness="EXACT",
+            payee_name="Python SDK unittest",
+            transaction_note="unittest transaction",
+            expiry_date=datetime.now() + timedelta(days=3),
+        )
+        LOGGER.info(link)
+        assert link.platform_bill_id
+
+        # Get Payment Link Status
+        link_status = dl.check_payment_status(link.platform_bill_id)
+        LOGGER.info(link_status)
+        assert link_status.status == "BILL_CREATED"
+
+        dl.expire_payment_link(link.platform_bill_id)
+        link_status = dl.check_payment_status(link.platform_bill_id)
+        LOGGER.info(link_status)
+        assert link_status.status == "BILL_EXPIRED"
+
+    except SetuAPIException as e:
+        LOGGER.error(e.error)
+        assert True