Add document type detail API endpoint

mayan/apps/documents/api_views.py

@@ -15,14 +15,18 @@ from rest_api.filters import MayanObjectPermissionsFilter
 from rest_api.permissions import MayanPermission
 
 from .conf.settings import DISPLAY_SIZE, ZOOM_MAX_LEVEL, ZOOM_MIN_LEVEL
-from .models import Document, DocumentPage, DocumentVersion
+from .models import Document, DocumentPage, DocumentType, DocumentVersion
 from .permissions import (PERMISSION_DOCUMENT_CREATE,
                           PERMISSION_DOCUMENT_DELETE, PERMISSION_DOCUMENT_EDIT,
                           PERMISSION_DOCUMENT_NEW_VERSION,
                           PERMISSION_DOCUMENT_PROPERTIES_EDIT,
-                          PERMISSION_DOCUMENT_VIEW)
+                          PERMISSION_DOCUMENT_VIEW,
+                          PERMISSION_DOCUMENT_TYPE_DELETE,
+                          PERMISSION_DOCUMENT_TYPE_EDIT,
+                          PERMISSION_DOCUMENT_TYPE_VIEW)
 from .serializers import (DocumentImageSerializer, DocumentPageSerializer,
-                          DocumentSerializer, DocumentVersionSerializer)
+                          DocumentSerializer, DocumentTypeSerializer,
+                          DocumentVersionSerializer)
 
 
 class APIDocumentListView(generics.ListCreateAPIView):
@@ -181,3 +185,20 @@ class APIDocumentPageView(generics.RetrieveUpdateAPIView):
         'PATCH': [PERMISSION_DOCUMENT_EDIT]
     }
     mayan_permission_attribute_check = 'document'
+
+
+class APIDocumentTypeView(generics.RetrieveUpdateDestroyAPIView):
+    """
+    Returns the selected document type details.
+    """
+
+    serializer_class = DocumentTypeSerializer
+    queryset = DocumentType.objects.all()
+
+    permission_classes = (MayanPermission,)
+    mayan_object_permissions = {
+        'GET': [PERMISSION_DOCUMENT_TYPE_VIEW],
+        'PUT': [PERMISSION_DOCUMENT_TYPE_EDIT],
+        'PATCH': [PERMISSION_DOCUMENT_TYPE_EDIT],
+        'DELETE': [PERMISSION_DOCUMENT_TYPE_DELETE]
+    }