add filter and ordering support

course_discovery/apps/journal/api/filters.py

+'''Filter class for Journals'''
+from course_discovery.apps.journal.models import Journal
+from course_discovery.apps.journal.choices import JournalStatus
+from django_filters import rest_framework as filters
+
+
+class CharListFilter(filters.CharFilter):
+    """ Filters a field via a comma-delimited list of values. """
+    def filter(self, qs, value):
+        if value not in (None, ''):
+            value = value.split(',')
+
+        return super(CharListFilter, self).filter(qs, value)
+
+
+class JournalFilter(filters.FilterSet):
+    status = filters.MultipleChoiceFilter(choices=JournalStatus.choices)
+    orgs = CharListFilter(name='organization__key', lookup_expr='in')
+
+    class Meta:
+        model = Journal
+        fields = ('orgs', 'status',)

course_discovery/apps/journal/api/v1/views.py

@@ -5,6 +5,7 @@ from rest_framework_extensions.cache.mixins import CacheResponseMixin
 from rest_framework.permissions import IsAuthenticated
 
 from course_discovery.apps.journal.models import Journal, JournalBundle
+from course_discovery.apps.journal.api.filters import JournalFilter
 from course_discovery.apps.journal.api.serializers import JournalSerializer, JournalBundleSerializer
 from course_discovery.apps.journal import constants as journal_constants
 
@@ -15,8 +16,10 @@ class JournalViewSet(viewsets.ModelViewSet):
     """
     lookup_field = 'uuid'
     lookup_value_regex = journal_constants.UUID_PATTERN
-    queryset = Journal.objects.all()
+    queryset = Journal.objects.all().order_by('-created')
     serializer_class = JournalSerializer
+    filter_backends = (DjangoFilterBackend,)
+    filter_class = JournalFilter
 
 
 class JournalBundleViewSet(CacheResponseMixin, viewsets.ReadOnlyModelViewSet):