moved consumption dir check into the correct spot

src/documents/management/commands/document_consumer.py

@@ -3,7 +3,7 @@ import os
 from time import sleep
 
 from django.conf import settings
-from django.core.management.base import BaseCommand
+from django.core.management.base import BaseCommand, CommandError
 from django_q.tasks import async_task
 from watchdog.events import FileSystemEventHandler
 from watchdog.observers.polling import PollingObserver
@@ -95,6 +95,15 @@ class Command(BaseCommand):
     def handle(self, *args, **options):
         directory = options["directory"]
 
+        if not directory:
+            raise CommandError(
+                "CONSUMPTION_DIR does not appear to be set."
+            )
+
+        if not os.path.isdir(directory):
+            raise CommandError(
+                f"Consumption directory {directory} does not exist")
+
         for entry in os.scandir(directory):
             _consume(entry.path)