From 6efe207d14c79229cb4c02ffd56270ad05f671ce Mon Sep 17 00:00:00 2001
From: Christopher Baines <cb15g11@soton.ac.uk>
Date: Sat, 6 Sep 2014 13:06:02 +0100
Subject: Fix bug with fixing workstation data

Do not try and process null data if data already exists.
---
 src/leaflet-soton.js | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/leaflet-soton.js b/src/leaflet-soton.js
index a90c163..b9818bc 100644
--- a/src/leaflet-soton.js
+++ b/src/leaflet-soton.js
@@ -214,10 +214,13 @@ SELECT * WHERE {\
                     url: 'http://sparql.data.southampton.ac.uk/?query=' + encodeURIComponent(query)
                 },
                 function(data) {
-                    // Only report no data if fetching data failed, and there
-                    // is no local data
-                    if (data === null && LS.workstationData === null) {
-                        LS.fire("workstationData", null);
+                    // If fetching data has failed
+                    if (data === null) {
+                        // Only report this if there is no existing data
+                        if (LS.workstationData === null) {
+                            LS.fire("workstationData", null);
+                        }
+
                         return;
                     }
 
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