Improve API view to retreive documents of a type

mayan/apps/documents/api_views.py

@@ -221,3 +221,25 @@ class APIDocumentTypeView(generics.RetrieveUpdateDestroyAPIView):
         'PATCH': [PERMISSION_DOCUMENT_TYPE_EDIT],
         'DELETE': [PERMISSION_DOCUMENT_TYPE_DELETE]
     }
+
+
+class APIDocumentTypeDocumentListView(generics.ListAPIView):
+    """
+    Returns a list of all the documents of a particular document type.
+    """
+
+    filter_backends = (MayanObjectPermissionsFilter,)
+    mayan_object_permissions = {'GET': [PERMISSION_DOCUMENT_VIEW]}
+
+    def get_serializer_class(self):
+        from documents.serializers import DocumentSerializer
+        return DocumentSerializer
+
+    def get_queryset(self):
+        document_type = get_object_or_404(DocumentType, pk=self.kwargs['pk'])
+        try:
+            Permission.objects.check_permissions(self.request.user, [PERMISSION_DOCUMENT_TYPE_VIEW])
+        except PermissionDenied:
+            AccessEntry.objects.check_access(PERMISSION_DOCUMENT_TYPE_VIEW, self.request.user, document_type)
+
+        return document_type.documents.all()

mayan/apps/documents/serializers.py

@@ -34,7 +34,7 @@ class DocumentSerializer(serializers.HyperlinkedModelSerializer):
 
 
 class DocumentTypeSerializer(serializers.HyperlinkedModelSerializer):
-    documents = DocumentSerializer(many=True, required=False)
+    documents = serializers.HyperlinkedIdentityField(view_name='documenttype-document-list')
 
     class Meta:
         model = DocumentType

mayan/apps/documents/urls.py

@@ -3,9 +3,9 @@ from __future__ import absolute_import
 from django.conf.urls import patterns, url
 
 from .api_views import (APIDocumentView, APIDocumentImageView, APIDocumentListView,
-                        APIDocumentPageView, APIDocumentTypeListView,
-                        APIDocumentTypeView, APIDocumentVersionCreateView,
-                        APIDocumentVersionView)
+                        APIDocumentPageView, APIDocumentTypeDocumentListView,
+                        APIDocumentTypeListView, APIDocumentTypeView,
+                        APIDocumentVersionCreateView, APIDocumentVersionView)
 from .settings import PRINT_SIZE, DISPLAY_SIZE
 from .views import DocumentListView
 
@@ -78,6 +78,7 @@ api_urls = patterns('',
     url(r'^document_page/(?P<pk>[0-9]+)/$', APIDocumentPageView.as_view(), name='documentpage-detail'),
     url(r'^documents/(?P<pk>[0-9]+)/image/$', APIDocumentImageView.as_view(), name='document-image'),
     url(r'^documents/(?P<pk>[0-9]+)/new_version/$', APIDocumentVersionCreateView.as_view(), name='document-new-version'),
-    url(r'^documenttypes/$', APIDocumentTypeListView.as_view(), name='documenttype-list'),
+    url(r'^documenttypes/(?P<pk>[0-9]+)/documents/$', APIDocumentTypeDocumentListView.as_view(), name='documenttype-document-list'),
     url(r'^documenttypes/(?P<pk>[0-9]+)/$', APIDocumentTypeView.as_view(), name='documenttype-detail'),
+    url(r'^documenttypes/$', APIDocumentTypeListView.as_view(), name='documenttype-list'),
 )