fix: sequence filter if client doesn't exist

mycarehub/content/filters.py

@@ -1,4 +1,5 @@
 import django_filters
+from django.core.exceptions import ObjectDoesNotExist
 from django.db.models import Count, Q
 from django.utils import timezone
 from rest_framework.filters import BaseFilterBackend
@@ -92,7 +93,11 @@ def filter_queryset(self, request, queryset, view):
         client_id = query_params.get("client_id", "")
 
         if client_id and queryset.model is ContentItem:
-            client = Client.objects.get(id=client_id)
+            try:
+                client = Client.objects.get(id=client_id)
+            except ObjectDoesNotExist:
+                return queryset
+
             program = client.program
 
             if program.content_sequence == ContentSequence.GRADUAL:

mycarehub/content/tests/test_filters.py

@@ -1,3 +1,5 @@
+import uuid
+
 import pytest
 from django.urls import reverse
 from model_bakery import baker
@@ -202,6 +204,23 @@ def test_content_sequence_filter_instant(
     assert response_data["meta"]["total_count"] == 1
 
 
+def test_content_sequence_filter_invalid_client(
+    content_item_with_tag_and_category, request_with_user, client, program
+):
+    program.content_sequence = ContentSequence.INSTANT
+    program.save()
+
+    client.force_login(request_with_user.user)
+    url = (
+        reverse("wagtailapi:pages:listing")
+        + f"?type=content.ContentItem&fields=*&client_id={uuid.uuid4()}"
+    )
+    response = client.get(url)
+    assert response.status_code == status.HTTP_200_OK
+    response_data = response.json()
+    assert response_data["meta"]["total_count"] == 0
+
+
 def test_content_facility_filter(
     content_item_with_tag_and_category, request_with_user, client, facility
 ):