doorcontrol: Add unique member count to "busiest..." reports

doorcontrol/migrations/0005_doorcardholdermember_and_more.py

@@ -0,0 +1,56 @@
+# Generated by Django 5.0.1 on 2024-02-09 16:37
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("doorcontrol", "0004_hidevent_is_red"),
+        ("membershipworks", "0014_remove_eventext_details_timestamp"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="DoorCardholderMember",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("cardholder_id", models.IntegerField()),
+                (
+                    "door",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="doorcontrol.door",
+                    ),
+                ),
+                (
+                    "member",
+                    models.ForeignKey(
+                        db_constraint=False,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="membershipworks.member",
+                    ),
+                ),
+            ],
+        ),
+        migrations.AddConstraint(
+            model_name="doorcardholdermember",
+            constraint=models.UniqueConstraint(
+                fields=("door", "cardholder_id"), name="unique_door_cardholder_id"
+            ),
+        ),
+        migrations.AddConstraint(
+            model_name="doorcardholdermember",
+            constraint=models.UniqueConstraint(
+                fields=("door", "member"), name="unique_door_member"
+            ),
+        ),
+    ]