From e978209ebcef6a4f0736e7dd1701933c71200844 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aur=C3=A9lien=20Delobelle?= <aurelien.delobelle@ens.fr>
Date: Mon, 8 Aug 2016 00:13:53 +0200
Subject: [PATCH] =?UTF-8?q?Enregistrement=20des=20op=C3=A9rations=20dans?=
 =?UTF-8?q?=20K-Psul?=
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- Ajout d'une transaction pour tous les save lors d'une commande K-Psul
  afin de préserver la cohérence de la BDD
---
 kfet/views.py | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/kfet/views.py b/kfet/views.py
index b9384231..5c927fc3 100644
--- a/kfet/views.py
+++ b/kfet/views.py
@@ -450,14 +450,18 @@ def kpsul_perform_operations(request):
 
     # Filling cof status for statistics
     operationgroup.is_cof = operationgroup.on_acc.is_cof
-    # Saving operation group
-    operationgroup.save()
-    data['operationgroup'] = operationgroup.pk
 
-    # Filling operationgroup id for each operations and saving
-    for operation in operations:
-        operation.group = operationgroup
-        operation.save()
-        data['operations'].append(operation.pk)
+    # Apply all saves in a transaction to ensure database integrity
+    try:
+        with transaction.atomic:
+            # Saving operation group
+            operationgroup.save()
+            data['operationgroup'] = operationgroup.pk
+
+            # Filling operationgroup id for each operations and saving
+            for operation in operations:
+                operation.group = operationgroup
+                operation.save()
+                data['operations'].append(operation.pk)
 
     return JsonResponse(data)