Converting views to Async Views

Pipfile

@@ -18,6 +18,9 @@ awsebcli = "*"
 celery = "*"
 redis = "*"
 flower = "*"
+daphne = "*"
+pyjwt = "==2.1.0"
+whitenoise = "*"
 
 [dev-packages]
 pytest = "*"

csvparser/urls.py

@@ -3,5 +3,5 @@
 from .views import CsvParserView
 
 urlpatterns = [
-    path('parse-csv/', CsvParserView.as_view(), name="parse_csv"),
+    path('parse-csv/', CsvParserView, name="parse_csv"),
 ]

csvparser/views.py

@@ -1,38 +1,56 @@
 """
 Views for CSV Parsing functionality
 """
-from rest_framework import generics, permissions
-from rest_framework.decorators import permission_classes
-from rest_framework.response import Response
-from rest_framework import status
+# from rest_framework import generics, permissions
+# from rest_framework.decorators import permission_classes
+# from rest_framework.response import Response
+# from rest_framework import status
 
+from django.http import JsonResponse
 
 from .services import CsvParser
 
+# @permission_classes([permissions.IsAdminUser])
+# class CsvParserView(generics.GenericAPIView):
+#     """
+#     Views for Csv Parsing
+#     """
 
-@permission_classes([permissions.IsAdminUser])
-class CsvParserView(generics.GenericAPIView):
-    """
-    Views for Csv Parsing
-    """
+#     def post(self, request):
+#         """
+#         Actions for posting csv file for parsing
+#         """
+#         file = request.data.get('file', '')
 
-    def post(self, request):
-        """
-        Actions for posting csv file for parsing
-        """
-        file = request.data.get('file', '')
+#         if file != '':
+#             csv_parser = CsvParser(file)
+#             data = csv_parser.parse_file()
+#             data_dict = {}
+#             data_dict['data'] = data
+#             data_dict['errors'] = csv_parser.error_messages
+#             return Response(
+#                 data_dict
+#             )
+#         else:
+#             return Response(
+#                 {"error": "You need to upload a CSV file"},
+#                 status=status.HTTP_400_BAD_REQUEST
+#             )
 
-        if file != '':
-            csv_parser = CsvParser(file)
-            data = csv_parser.parse_file()
-            data_dict = {}
-            data_dict['data'] = data
-            data_dict['errors'] = csv_parser.error_messages
-            return Response(
-                data_dict
-            )
-        else:
-            return Response(
-                {"error": "You need to upload a CSV file"},
-                status=status.HTTP_400_BAD_REQUEST
-            )
+
+async def CsvParserView(request):
+    if request.method != "POST":
+        return JsonResponse({"error": "Method Not Allowed"},
+                            status=400)
+    if 'file' not in request.FILES:
+        return JsonResponse({"error": "You need to upload a CSV file"},
+                            status=400)
+    file = request.FILES['file']
+    csv_parser = CsvParser(file)
+    data = csv_parser.parse_file()
+    data_dict = {}
+    data_dict['data'] = data
+    data_dict['errors'] = csv_parser.error_messages
+    return JsonResponse(
+        data_dict
+    )

haemosupport/settings.py

@@ -66,9 +66,9 @@
 MIDDLEWARE = [
     'corsheaders.middleware.CorsMiddleware',
     'django.middleware.security.SecurityMiddleware',
+    'whitenoise.middleware.WhiteNoiseMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
     'django.middleware.common.CommonMiddleware',
-    'django.middleware.csrf.CsrfViewMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',