✨ [#170] add unique constraint for filter.filter_group and filter.key

CHANGELOG.rst

@@ -2,6 +2,18 @@
 Changes
 =======
 
+1.9.0 (WIP)
+-----------
+
+* [#170] Add uniqu constraint for ``(Filter.filter_group, Filter.key)`` fields.
+
+.. warning::
+
+    The unique constraint is added for ``(Filter.filter_group, Filter.key)``.
+    If "datamodel.0017" migration is failing, remove duplicated manually from
+    the ``Filter`` model and try to run it again.
+
+
 1.8.0 (2024-01-13)
 ------------------
 

src/nrc/datamodel/migrations/0017_alter_filter_unique_together.py

@@ -0,0 +1,17 @@
+# Generated by Django 4.2.15 on 2025-01-31 11:20
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("datamodel", "0016_alter_abonnement_callback_url"),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name="filter",
+            unique_together={("filter_group", "key")},
+        ),
+    ]

src/nrc/datamodel/models.py

@@ -142,6 +142,7 @@ class Meta:
         ordering = ("id",)
         verbose_name = _("filter-onderdeel")
         verbose_name_plural = _("filter-onderdelen")
+        unique_together = ["filter_group", "key"]
 
 
 class Notificatie(models.Model):