file upload update

app/applicationlayer/cms/form/header/views.py

@@ -1252,36 +1252,56 @@ class ChangeRequestFormsViewset(viewsets.ModelViewSet):
 
     @transaction.atomic()
     @action(
-        methods=['POST'], detail=True,
+        methods=['PATCH'], detail=True,
         url_path='file_upload', url_name='file_upload'
     )
     def file_upload(self, request, *args, **kwargs):
         try:
+            partial = kwargs.pop('partial', True)
+
             attach_body = request.data
 
             form_code = kwargs['form_code']
             id_number = self.request.user.code
 
-            data_list_attach = []
+            # generate batchno history
+            batchno = get_max_batchno("batch")
 
-            # create form attachments
-            if attach_body['attachments']:
-                frm_attachments = attach_body['attachments']
-                for frm_attachment in frm_attachments:
-                    frm_attachment['form_code'] = form_code
-                    frm_attachment['uploaded_by'] = id_number
-                    data_list_attach.append(frm_attachment)
+            change_request.attachment_add_edit_delete(
+                attach_body['attachments'],
+                models.ChangeRequestFormAttachments,
+                enums.CREntitiesEnum.CR_FRM_ATTACHMENT.value,
+                ChangeRequestFormAttachmentsSerializer,
+                partial,
+                self,
+                form_code,
+                batchno,
+                enums.CREnum.FILE_UPLOAD.value,
+                id_number
+            )
 
-                serializerAttach = ChangeRequestFormAttachmentsSerializer(
-                    data=data_list_attach, many=True)
 
-                if serializerAttach.is_valid(raise_exception=True):
-                    serializerAttach.save()
+
+            # data_list_attach = []
+
+            # # create form attachments
+            # if attach_body['attachments']:
+            #     frm_attachments = attach_body['attachments']
+            #     for frm_attachment in frm_attachments:
+            #         frm_attachment['form_code'] = form_code
+            #         frm_attachment['uploaded_by'] = id_number
+            #         data_list_attach.append(frm_attachment)
+
+            #     serializerAttach = ChangeRequestFormAttachmentsSerializer(
+            #         data=data_list_attach, many=True)
+
+            #     if serializerAttach.is_valid(raise_exception=True):
+            #         serializerAttach.save()
 
             message = status_message_response(
                 200, 'success',
-                'New Attachments successfully saved!',
-                serializerAttach.data
+                'Attachments successfully updated!',
+                ''
             )
 
             return Response(message, status=status.HTTP_200_OK)

app/businesslayer/changerequest/change_request.py

@@ -328,3 +328,88 @@ def form_add_edit_delete(form_request_body,
             )
 
     return True
+
+
+def attachment_add_edit_delete(form_request_body,
+                               queryset,
+                               entity,
+                               serializer_data,
+                               partial,
+                               self,
+                               form_code,
+                               batch_no,
+                               main_action,
+                               id_number):
+    
+    # delete ids not in request body
+    request_ids = [i['id'] for i in form_request_body if "id" in i]
+
+    delete_query = queryset.objects.filter(
+        form_code=form_code
+    ).exclude(
+        id__in=request_ids
+    )
+
+    if delete_query.count() > 0:
+        crhistory_log_bulk_delete(delete_query,
+                                  entity,
+                                  queryset,
+                                  form_code,
+                                  batch_no,
+                                  main_action
+        )
+
+    # update or create
+    for i in form_request_body:
+        if "id" in i:
+            frm_instance = queryset.objects.get(
+                pk=i['id']
+            )
+            
+            frm_code = {
+                "form_code": form_code
+            }
+            data = {**i, **frm_code}
+
+            serializer = serializer_data(frm_instance,
+                                         data=data,
+                                         partial=partial)
+
+            serializer.is_valid(raise_exception=True)
+            old_instance = model_to_dict(frm_instance)
+            self.perform_update(serializer)
+            new_instance = serializer.data
+            # comment
+            crhistory_save(
+                batch_no,
+                main_action,
+                enums.CREnum.UPDATE.value,
+                entity,
+                form_code,
+                old_instance,
+                new_instance
+            )
+
+        else:
+            frm_code = {
+                "form_code": form_code,
+                "uploaded_by": id_number
+            }
+            data = {**i, **frm_code}
+            serializer = serializer_data(data=data)
+            serializer.is_valid(raise_exception=True)
+
+            self.perform_create(serializer)
+            new_instance = serializer.data
+            
+            crhistory_save(
+                batch_no,
+                main_action,
+                enums.CREnum.ADD.value,
+                entity,
+                form_code,
+                None,
+                new_instance
+            )
+
+    return True
\ No newline at end of file

app/entities/enums.py

@@ -111,6 +111,7 @@ class CREnum(Enum):
     REJECTED = "REJECTED"
     ACTION = "ACTION"
     CREATE = "CREATE"
+    FILE_UPLOAD = "FILE_UPLOAD"
 
 
 class CREntitiesEnum(Enum):