Add filtering for Event and Signup ViewSets

requirements.txt

@@ -35,4 +35,5 @@ pyexcel==0.5.8
 pyexcel-xlsx==0.5.5
 django-import-export==0.7.0
 openpyxl==2.4.11
-django-app-namespace-template-loader==0.4.1
+django-app-namespace-template-loader==0.4.1
+django-filter==2.0.0

sikweb/base.py

@@ -103,6 +103,7 @@ INSTALLED_APPS = [
     'auditlog',
     'phonenumber_field',
     'import_export',
+    'django_filters',
 ]
 
 IMPORT_EXPORT_USE_TRANSACTIONS = True
@@ -234,6 +235,9 @@ REST_FRAMEWORK = {
     },
     'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.LimitOffsetPagination',
     'PAGE_SIZE': 10,
+    'DEFAULT_FILTER_BACKENDS': (
+        'django_filters.rest_framework.DjangoFilterBackend',
+    ),
 }
 
 # Email settings (tested working with gmail)

webapp/views.py

@@ -13,6 +13,8 @@ from rest_framework import viewsets, routers
 from rest_framework.permissions import IsAuthenticatedOrReadOnly
 from rest_framework.response import Response
 from rest_framework.reverse import reverse
+from django_filters import rest_framework as filters
+from rest_framework.filters import SearchFilter, OrderingFilter
 
 # import logging
 # import requests
@@ -33,18 +35,27 @@ class EventViewSet(viewsets.ModelViewSet):
     queryset = Event.objects.all()
     serializer_class = EventSerializer
     permission_classes = [IsAuthenticatedOrReadOnly]
+    filter_backends = (filters.DjangoFilterBackend, SearchFilter, OrderingFilter)
+    filter_fields = '__all__'
+    search_fields = '__all__'
 
 
 class SignupFormViewSet(viewsets.ModelViewSet):
     queryset = SignupForm.objects.all()
     serializer_class = SignupFormSerializer
     permission_classes = [IsAuthenticatedOrReadOnly]
+    filter_backends = (filters.DjangoFilterBackend, SearchFilter, OrderingFilter)
+    filter_fields = '__all__'
+    search_fields = '__all__'
 
 
 class SignupViewSet(viewsets.ModelViewSet):
     queryset = Signup.objects.all()
     serializer_class = SignupSerializer
     permission_classes = []
+    filter_backends = (filters.DjangoFilterBackend, SearchFilter, OrderingFilter)
+    filter_fields = '__all__'
+    search_fields = '__all__'
 
 
 class SavedQuestionsViewSet(viewsets.ModelViewSet):
@@ -57,6 +68,9 @@ class FeedViewSet(viewsets.ModelViewSet):
     queryset = Feed.objects.all()
     serializer_class = FeedSerializer
     permission_classes = []
+    filter_backends = (filters.DjangoFilterBackend, SearchFilter, OrderingFilter)
+    filter_fields = '__all__'
+    search_fields = '__all__'
 
 
 class ContactsViewSet(viewsets.ReadOnlyModelViewSet):