Proof: date validation

open_prices/proofs/models.py

@@ -58,6 +58,21 @@ class Meta:
     def clean(self, *args, **kwargs):
         # dict to store all ValidationErrors
         validation_errors = dict()
+        # proof rules
+        # - date should have the right format & not be in the future
+        if self.date:
+            if type(self.date) is str:
+                validation_errors = utils.add_validation_error(
+                    validation_errors,
+                    "date",
+                    "Parsing error. Expected format: YYYY-MM-DD",
+                )
+            elif self.date > timezone.now().date():
+                validation_errors = utils.add_validation_error(
+                    validation_errors,
+                    "date",
+                    "Should not be in the future",
+                )
         # location rules
         # - location_osm_id should be set if location_osm_type is set
         # - location_osm_type should be set if location_osm_id is set

open_prices/proofs/tests.py

@@ -17,6 +17,12 @@ def setUpTestData(cls):
             location_post_create_fetch_data_from_openstreetmap, sender=Location
         )
 
+    def test_proof_date_validation(self):
+        for DATE_OK in [None, "2024-01-01"]:
+            ProofFactory(date=DATE_OK)
+        for DATE_NOT_OK in ["3000-01-01", "01-01-2000"]:
+            self.assertRaises(ValidationError, ProofFactory, date=DATE_NOT_OK)
+
     def test_proof_location_validation(self):
         # both location_osm_id & location_osm_type not set
         ProofFactory(location_osm_id=None, location_osm_type=None)