Implement pagination and filter for Account model

apps/accounts/filters.py

+from django_filters import FilterSet, CharFilter
+
+from apps.accounts.models import (
+    Account,
+)
+
+
+class AccountFilter(FilterSet):
+    username = CharFilter(field_name="user__username")
+
+    class Meta:
+        model = Account
+        fields = [
+            "username",
+            "name",
+            "email",
+            "phone_number",
+            "area",
+            "is_admin",
+            "is_verified",
+        ]

apps/accounts/tests/test_units/test_accounts.py

@@ -33,7 +33,40 @@ class AccountViewTest(APITestCase):
         url = "/accounts/"
 
         response = self.client.get(url)
+        response_string = response.rendered_content.decode("utf-8")
         self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertIn('"user_1"', response_string)
+        self.assertIn('"user_2"', response_string)
+
+    def test_list_all_accounts_paginate_failed(self):
+        url = "/accounts/?page=100"
+
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)
+
+        response_string = response.rendered_content.decode("utf-8")
+
+        self.assertIn('"detail":"Invalid page."', response_string)
+
+    def test_list_all_accounts_filter_success(self):
+        url = "/accounts/?username=" + self.user_1.username
+
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        response_string = response.rendered_content.decode("utf-8")
+
+        self.assertIn('"count":1', response_string)
+
+    def test_list_all_accounts_filter_failed(self):
+        url = "/accounts/?username=1234567890"
+
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        response_string = response.rendered_content.decode("utf-8")
+
+        self.assertIn('"count":0', response_string)
 
     def test_retrieve_account_success(self):
         url = "/accounts/" + str(self.officer.id) + "/"

apps/accounts/views.py

@@ -2,12 +2,15 @@ from django.contrib.auth.models import User
 from django.shortcuts import get_object_or_404
 from rest_framework import status, viewsets
 from rest_framework.response import Response
+from rest_framework.pagination import PageNumberPagination
+from django_filters.rest_framework import DjangoFilterBackend
 
 from apps.accounts.models import Account
 from apps.accounts.serializers import (
     AccountSerializer,
     AccountRegisterSerializer,
 )
+from apps.accounts.filters import AccountFilter
 from apps.commons.permissions import (
     IsSelfOrAdministrator,
     CreateOnly,
@@ -16,14 +19,17 @@ from apps.commons.permissions import (
 
 class AccountViewSet(viewsets.ViewSet):
     queryset = Account.objects.all().select_related("user")
+    filter_backends = (DjangoFilterBackend,)
     permission_classes = [
         IsSelfOrAdministrator | CreateOnly,
     ]
 
     def list(self, request):
-        queryset = self.queryset
-        serializer = AccountSerializer(queryset, many=True)
-        return Response(serializer.data, status=status.HTTP_200_OK)
+        paginator = PageNumberPagination()
+        filtered_set = AccountFilter(request.GET, queryset=self.queryset).qs
+        context = paginator.paginate_queryset(filtered_set, request)
+        serializer = AccountSerializer(context, many=True)
+        return paginator.get_paginated_response(serializer.data)
 
     def retrieve(self, request, pk=None):
         instance = get_object_or_404(self.queryset, pk=pk)

apps/cases/models.py

@@ -8,6 +8,7 @@ from apps.accounts.models import Account
 from apps.commons.managers import SoftObjectManager
 from apps.constants import TIMEZONE
 
+
 class CaseSubject(models.Model):
     revision_id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
     subject_id = models.UUIDField(default=uuid.uuid4)

apps/cases/tests/test_units/test_monitoring_cases.py

@@ -15,6 +15,7 @@ from apps.cases.tests.factories.cases import (
 )
 from apps.constants import TIMEZONE
 
+
 class MonitoringCaseViewTest(TestCase):
     @classmethod
     def setUpTestData(self):

apps/commons/tests/test_permissions.py

@@ -13,6 +13,7 @@ from apps.commons.permissions import (
 )
 from apps.constants import HEADER_PREFIX
 
+
 class IsAuthenticatedPermissionTest(APITestCase):
     @classmethod
     def setUpTestData(self):