prevent saving negative value for makeups_to_do in db

members/models.py

@@ -959,7 +959,12 @@ class CagetteMember(models.Model):
         api = OdooAPI()
         res = {}
 
-        f = { 'makeups_to_do': int(member_data["target_makeups_nb"]) }
+        # Prevent setting a negative number of makeups_to_do
+        # https://redmine.coopdev.fr/issues/6090
+        # This could happen when bdm has two screens open and clicks on minus btn on a coop line
+        # with exactly 1 makeup_to_do on both screens
+        makeups_to_do = max(0,int(member_data["target_makeups_nb"]))
+        f = { 'makeups_to_do': makeups_to_do }
         res_item = api.update('res.partner', [self.id], f)
         res = {
             'mid': self.id,