Add Celery periodic task for deactivating expired devices and update requirements

apibase/celery.py

@@ -1,6 +1,7 @@
 import os
 
 from celery import Celery
+from celery.schedules import crontab
 
 # Set the default Django settings module for the 'celery' program.
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "apibase.settings")
@@ -17,6 +18,15 @@ app.config_from_object("django.conf:settings", namespace="CELERY")
 app.autodiscover_tasks(["api", "devices"])
 
 
+# Add periodic task scheduler
+app.conf.beat_schedule = {
+    "deactivate-expired-devices-every-day": {
+        "task": "api.tasks.deactivate_expired_devices",
+        "schedule": crontab(hour=0, minute=0),  # Runs daily at midnight
+    },
+}
+
+
 @app.task(bind=True, ignore_result=True)
 def debug_task(self):
     print(f"Request: {self.request!r}")