feat: Add minimum due date validation

Author: sondrelg

netsgiro/objects.py

@@ -30,7 +30,7 @@
     TransmissionStart,
 )
 from netsgiro.records import parse as records_parse
-from netsgiro.validators import str_of_length
+from netsgiro.validators import str_of_length, validate_minimum_date
 
 if TYPE_CHECKING:
     from netsgiro.enums import AvtaleGiroRegistrationType
@@ -365,6 +365,7 @@ def add_payment_request(
         reference: Optional[str] = None,
         payer_name: Optional[str] = None,
         bank_notification: Union[bool, str] = False,
+        strict: bool = False,
     ) -> 'PaymentRequest':
         """Add an AvtaleGiro payment request to the assignment.
 
@@ -379,6 +380,10 @@ def add_payment_request(
             self.type == AssignmentType.TRANSACTIONS
         ), 'Can only add payment requests to transaction assignments'
 
+        if strict:
+            # Make sure we're not passing invalid due dates
+            validate_minimum_date(due_date)
+
         if bank_notification:
             transaction_type = TransactionType.AVTALEGIRO_WITH_BANK_NOTIFICATION
         else:

netsgiro/validators.py

@@ -1,9 +1,16 @@
 """Custom validators for :mod:`attrs`."""
-from typing import Any, Callable
+from datetime import datetime
+from typing import TYPE_CHECKING, Any, Callable
 
 from attr import Attribute
 from attr.validators import instance_of
 
+from netsgiro.utils import OSLO_TZ, get_minimum_due_date
+
+if TYPE_CHECKING:
+    from datetime import date
+
+
 C = Callable[[object, Attribute, Any], None]
 
 
@@ -31,3 +38,13 @@ def validator(instance: object, attribute: Attribute, value: Any) -> None:
             )
 
     return validator
+
+
+def validate_minimum_date(value: 'date') -> None:
+    """Make sure payment request dates are gt the minimum allowed date."""
+    if value < get_minimum_due_date(now=datetime.now(tz=OSLO_TZ)):
+        raise ValueError(
+            'The minimum due date of a transaction is today + 4 calendar days.'
+            ' OCR files with due dates earlier than this will be rejected when'
+            ' submitted.'
+        )