shiftregister/importer/admin.py

@@ -3,6 +3,12 @@ from django.contrib import admin
 from .models import Calendar
 
 
+def update_calendar(modeladmin, request, queryset):
+    for calendar in queryset:
+        calendar.update()
+
+
 @admin.register(Calendar)
 class CalendarAdmin(admin.ModelAdmin):
     list_display = ("url", "needs_fallback", "has_errors")
+    actions = (update_calendar,)

shiftregister/importer/migrations/0003_alter_calendar_url.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0.4 on 2025-05-12 22:16
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("importer", "0002_calendar_needs_fallback"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="calendar",
+            name="url",
+            field=models.URLField(max_length=1000, primary_key=True, serialize=False),
+        ),
+    ]

shiftregister/importer/models.py

@@ -4,10 +4,17 @@ from shiftregister.app.models import *
 
 
 class Calendar(models.Model):
-    url = models.URLField(primary_key=True)
+    url = models.URLField(primary_key=True, max_length=1000)
     needs_fallback = models.BooleanField(default=False, editable=True)
     has_errors = models.BooleanField(default=False, editable=False)
 
+    def update(self):
+        # break circular import
+        from .importer import import_calendar
+
+        self.has_errors = not import_calendar(self)
+        self.save()
+
 
 class Event(Shift):
     uuid = models.UUIDField(primary_key=True, editable=False)

shiftregister/importer/tasks.py

@@ -7,5 +7,4 @@ from .models import Calendar
 @shared_task
 def import_shifts():
     for calendar in Calendar.objects.all():
-        calendar.has_errors = not import_calendar(calendar)
-        calendar.save()
+        calendar.update()