Create subscription periods in bootstrap_dev_data (#78)

Otherwise the /admin/members/ endpoint fails. Related to #77.

The README should also be updated to reflect that you should probably do the bootstrap_dev_data on first setup.

Reviewed-on: https://git.data.coop/data.coop/membersystem/pulls/78
Reviewed-by: valberg <valberg@orn.li>
Co-authored-by: Reynir Björnsson <reynir@reynir.dk>
Co-committed-by: Reynir Björnsson <reynir@reynir.dk>

src/utils/management/commands/bootstrap_dev_data.py

@@ -1,7 +1,11 @@
 """Command to bootstrap development data."""
 
+from datetime import timedelta
+from django.utils import timezone
+from django.db.backends.postgresql.psycopg_any import DateRange
 from django.contrib.auth.models import User
 from django.core.management import BaseCommand
+from membership.models import SubscriptionPeriod
 
 
 class Command(BaseCommand):
@@ -16,6 +20,7 @@ class Command(BaseCommand):
         """Handle the command."""
         self.create_superuser()
         self.create_normal_users()
+        self.create_subscription_periods()
 
     def create_superuser(self) -> None:
         """Create superuser."""
@@ -31,3 +36,13 @@ class Command(BaseCommand):
         for user in self.normal_users:
             user.set_password(user.username)
             user.save()
+
+    def create_subscription_periods(self) -> None:
+        """Create subscription periods."""
+        self.stdout.write("Creating subscription periods")
+        SubscriptionPeriod.objects.create(
+            period=DateRange(timezone.now().date() - timedelta(days=182), timezone.now().date() + timedelta(days=183))
+        )
+        SubscriptionPeriod.objects.create(
+            period=DateRange(timezone.now().date() + timedelta(days=183), timezone.now().date() + timedelta(days=365))
+        )