Add object event list API view.

mayan/apps/events/api_views.py

@@ -1,8 +1,15 @@
-from __future__ import unicode_literals
+from __future__ import absolute_import, unicode_literals
 
-from actstream.models import Action
+from django.contrib.contenttypes.models import ContentType
+from django.core.exceptions import PermissionDenied
+from django.http import Http404
+from django.shortcuts import get_object_or_404
+
+from actstream.models import Action, any_stream
 from rest_framework import generics
 
+from acls.models import AccessControlList
+from permissions import Permission
 from rest_api.permissions import MayanPermission
 
 from .classes import Event
@@ -10,6 +17,41 @@ from .permissions import permission_events_view
 from .serializers import EventSerializer, EventTypeSerializer
 
 
+class APIObjectEventListView(generics.ListAPIView):
+    """
+    Return a list of events for the specified object.
+    """
+
+    serializer_class = EventSerializer
+
+    def get_object(self):
+        content_type = get_object_or_404(
+            ContentType, app_label=self.kwargs['app_label'],
+            model=self.kwargs['model']
+        )
+
+        try:
+            return content_type.get_object_for_this_type(
+                pk=self.kwargs['object_id']
+            )
+        except content_type.model_class().DoesNotExist:
+            raise Http404
+
+    def get_queryset(self):
+        object = self.get_object()
+
+        try:
+            Permission.check_permissions(
+                self.request.user, permissions=(permission_events_view,)
+            )
+        except PermissionDenied:
+            AccessControlList.objects.check_access(
+                permission_events_view, self.request.user, object
+            )
+
+        return any_stream(object)
+
+
 class APIEventTypeListView(generics.ListAPIView):
     """
     Returns a list of all the available event types.