contrib/opportunity: prevent null receiver error

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/contrib/opportunity/src/opportunity_controller.nit b/contrib/opportunity/src/opportunity_controller.nit
index f52f07d..fd9cd75 100644 (file)
--- a/contrib/opportunity/src/opportunity_controller.nit
+++ b/contrib/opportunity/src/opportunity_controller.nit
@@ -199,9 +199,9 @@ class OpportunityMeetupREST
                if args.has("new_pers") then
                        var name = request.string_arg("persname")
                        var m_id = request.string_arg("meetup_id")
-                       var ans = request.string_arg("answers").split("&")
-                       if name == null or m_id == null then return bad_req
-                       print ans
+                       var ans_str = request.string_arg("answers")
+                       if name == null or m_id == null or ans_str == null then return bad_req
+                       var ans = ans_str.split("&")
                        var ansmap = new HashMap[Int, Int]
                        for i in ans do
                                var mp = i.split("=")