API updates

- Move all generic API classes definitions to the rest_api.generics
module.
- Update API status code on insufficient access for the apps:
indexes, parsing, documents, metadata, ocr, permission,
user management.
- Update API tests.

Signed-off-by: Roberto Rosario <roberto.rosario@mayan-edms.com>

mayan/apps/documents/api_views.py

@@ -7,12 +7,11 @@ from django.shortcuts import get_object_or_404
 from django.views.decorators.cache import cache_control, patch_cache_control
 
 from django_downloadview import DownloadMixin, VirtualFile
-from rest_framework import generics, status
+from rest_framework import status
 from rest_framework.response import Response
 
 from mayan.apps.acls.models import AccessControlList
-from mayan.apps.rest_api.filters import MayanObjectPermissionsFilter
-from mayan.apps.rest_api.permissions import MayanPermission
+from mayan.apps.rest_api import generics
 
 from .literals import DOCUMENT_IMAGE_TASK_TIMEOUT
 from .models import (
@@ -45,9 +44,7 @@ class APITrashedDocumentListView(generics.ListAPIView):
     """
     Returns a list of all the trashed documents.
     """
-    filter_backends = (MayanObjectPermissionsFilter,)
     mayan_object_permissions = {'GET': (permission_document_view,)}
-    permission_classes = (MayanPermission,)
     queryset = DeletedDocument.objects.all()
     serializer_class = DeletedDocumentSerializer
 
@@ -62,7 +59,6 @@ class APIDeletedDocumentView(generics.RetrieveDestroyAPIView):
         'DELETE': (permission_document_delete,),
         'GET': (permission_document_view,)
     }
-    permission_classes = (MayanPermission,)
     queryset = DeletedDocument.objects.all()
     serializer_class = DeletedDocumentSerializer
 
@@ -74,7 +70,6 @@ class APIDeletedDocumentRestoreView(generics.GenericAPIView):
     mayan_object_permissions = {
         'POST': (permission_document_restore,)
     }
-    permission_classes = (MayanPermission,)
     queryset = DeletedDocument.objects.all()
 
     def get_serializer(self, *args, **kwargs):
@@ -95,7 +90,6 @@ class APIDocumentDownloadView(DownloadMixin, generics.RetrieveAPIView):
     mayan_object_permissions = {
         'GET': (permission_document_download,)
     }
-    permission_classes = (MayanPermission,)
     queryset = Document.objects.all()
 
     def get_encoding(self):
@@ -123,9 +117,7 @@ class APIDocumentListView(generics.ListCreateAPIView):
     get: Returns a list of all the documents.
     post: Create a new document.
     """
-    filter_backends = (MayanObjectPermissionsFilter,)
     mayan_object_permissions = {'GET': (permission_document_view,)}
-    permission_classes = (MayanPermission,)
     queryset = Document.objects.all()
 
     def get_serializer(self, *args, **kwargs):
@@ -258,10 +250,8 @@ class APIDocumentTypeListView(generics.ListCreateAPIView):
     get: Returns a list of all the document types.
     post: Create a new document type.
     """
-    filter_backends = (MayanObjectPermissionsFilter,)
     mayan_object_permissions = {'GET': (permission_document_type_view,)}
     mayan_view_permissions = {'POST': (permission_document_type_create,)}
-    permission_classes = (MayanPermission,)
     queryset = DocumentType.objects.all()
     serializer_class = DocumentTypeSerializer
 
@@ -291,7 +281,6 @@ class APIDocumentTypeView(generics.RetrieveUpdateDestroyAPIView):
         'PATCH': (permission_document_type_edit,),
         'DELETE': (permission_document_type_delete,)
     }
-    permission_classes = (MayanPermission,)
     queryset = DocumentType.objects.all()
 
     def get_serializer(self, *args, **kwargs):
@@ -311,7 +300,6 @@ 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,)}
     serializer_class = DocumentSerializer
 
@@ -389,7 +377,6 @@ class APIDocumentView(generics.RetrieveUpdateDestroyAPIView):
         'PATCH': (permission_document_properties_edit,),
         'DELETE': (permission_document_trash,)
     }
-    permission_classes = (MayanPermission,)
     queryset = Document.objects.all()
 
     def get_serializer(self, *args, **kwargs):
@@ -448,11 +435,9 @@ class APIDocumentVersionsListView(generics.ListCreateAPIView):
     get: Return a list of the selected document's versions.
     post: Create a new document version.
     """
-    filter_backends = (MayanObjectPermissionsFilter,)
     mayan_object_permissions = {
         'GET': (permission_document_version_view,),
     }
-    permission_classes = (MayanPermission,)
 
     def create(self, request, *args, **kwargs):
         serializer = self.get_serializer(data=request.data)