Add proper document creation API endpoint

mayan/apps/documents/api_views.py

@@ -1,10 +1,13 @@
 from __future__ import absolute_import
 
+import tempfile
+
 from django.core.exceptions import PermissionDenied
 from django.shortcuts import get_object_or_404
 
 from rest_framework import generics, status
 from rest_framework.response import Response
+from rest_framework.settings import api_settings
 
 from acls.models import AccessEntry
 from converter.exceptions import UnkownConvertError, UnknownFileFormat
@@ -26,14 +29,15 @@ from .permissions import (PERMISSION_DOCUMENT_CREATE,
                           PERMISSION_DOCUMENT_TYPE_VIEW)
 from .serializers import (DocumentImageSerializer, DocumentPageSerializer,
                           DocumentSerializer, DocumentTypeSerializer,
-                          DocumentVersionSerializer)
+                          DocumentVersionSerializer, NewDocumentSerializer)
 from .settings import DISPLAY_SIZE, ZOOM_MAX_LEVEL, ZOOM_MIN_LEVEL
-from .tasks import task_get_document_image
+from .tasks import task_get_document_image, task_new_document
+
 
 DOCUMENT_IMAGE_TASK_TIMEOUT = 10
 
 
-class APIDocumentListView(generics.ListCreateAPIView):
+class APIDocumentListView(generics.ListAPIView):
     """
     Returns a list of all the documents.
     """
@@ -44,8 +48,51 @@ class APIDocumentListView(generics.ListCreateAPIView):
     permission_classes = (MayanPermission,)
     filter_backends = (MayanObjectPermissionsFilter,)
     mayan_object_permissions = {'GET': [PERMISSION_DOCUMENT_VIEW]}
+
+
+class APINewDocumentView(generics.GenericAPIView):
+    serializer_class = NewDocumentSerializer
+
+    permission_classes = (MayanPermission,)
     mayan_view_permissions = {'POST': [PERMISSION_DOCUMENT_CREATE]}
 
+    def post(self, request, *args, **kwargs):
+        """Create a new document."""
+
+        serializer = self.get_serializer(data=request.DATA, files=request.FILES)
+
+        if serializer.is_valid():
+            print serializer.data
+            temporary_file = tempfile.NamedTemporaryFile(delete=False)
+            source_file = request.FILES['file']
+            for chunk in source_file.chunks():
+                temporary_file.write(chunk)
+            temporary_file.close()
+            source_file.close()
+
+            task_new_document.apply_async(kwargs=dict(
+                file_path=temporary_file.name,
+                document_type_id=serializer.data['document_type'],
+                description=serializer.data['description'],
+                expand=serializer.data['expand'],
+                label=serializer.data['label'],
+                language=serializer.data['language'],
+                user_id=serializer.data['user']
+            ), queue='uploads')
+
+
+            headers = self.get_success_headers(serializer.data)
+            return Response(serializer.data, status=status.HTTP_202_ACCEPTED,
+                            headers=headers)
+
+        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+
+    def get_success_headers(self, data):
+        try:
+            return {'Location': data[api_settings.URL_FIELD_NAME]}
+        except (TypeError, KeyError):
+            return {}
+
 
 class APIDocumentView(generics.RetrieveUpdateDestroyAPIView):
     """