Fix PingService when loading results from cache

static/js/app.js

@@ -441,6 +441,29 @@ quayApp = angular.module('quay', quayDependencies, function($provide, cfpLoading
       var pingService = {};
       var pingCache = {};
 
+      var invokeCallback = function($scope, pings, callback) {
+        if (pings[0] == -1) {
+          setTimeout(function() {
+            $scope.$apply(function() {
+              callback(-1, false, -1);
+            });
+          }, 0);
+          return;
+        }
+
+        var sum = 0;
+        for (var i = 0; i < pings.length; ++i) {
+          sum += pings[i];
+        }
+
+        // Report the average ping.
+        setTimeout(function() {
+          $scope.$apply(function() {
+            callback(Math.floor(sum / pings.length), true, pings.length);
+          });
+        }, 0);
+      };
+
       var reportPingResult = function($scope, url, ping, callback) {
         // Lookup the cached ping data, if any.
         var cached = pingCache[url];
@@ -453,28 +476,15 @@ quayApp = angular.module('quay', quayDependencies, function($provide, cfpLoading
         // If an error occurred, report it and done.
         if (ping < 0) {
           cached['pings'] = [-1];
-          setTimeout(function() {
+          invokeCallback($scope, pings, callback);
-            $scope.$apply(function() {
-              callback(-1, false, -1);
-            });
-          }, 0);
           return;
         }
 
         // Otherwise, add the current ping and determine the average.
         cached['pings'].push(ping);
 
-        var sum = 0;
+        // Invoke the callback.
-        for (var i = 0; i < cached['pings'].length; ++i) {
+        invokeCallback($scope, cached['pings'], callback);
-          sum += cached['pings'][i];
-        }
-
-        // Report the average ping.
-        setTimeout(function() {
-          $scope.$apply(function() {
-            callback(Math.floor(sum / cached['pings'].length), true, cached['pings'].length);
-          });
-        }, 0);
 
         // Schedule another check if we've done less than three.
         if (cached['pings'].length < 3) {
@@ -510,12 +520,7 @@ quayApp = angular.module('quay', quayDependencies, function($provide, cfpLoading
 
       pingService.pingUrl = function($scope, url, callback) {
         if (pingCache[url]) {
-          cached = pingCache[url];
+          invokeCallback($scope, pingCache[url]['pings'], callback);          
-          setTimeout(function() {
-            $scope.$apply(function() {
-              callback(cached.result, cached.success);
-            });
-          }, 0);
           return;
         }
 
@@ -5401,7 +5406,9 @@ quayApp.directive('locationView', function () {
 
       $scope.getLocationTooltip = function(location, ping) {
 	var tip = $scope.getLocationTitle(location) + '<br>';
-	if (ping < 0) {
+        if (ping == null) {
+	  tip += '(Loading)';
+        } else if (ping < 0) {
 	  tip += '<br><b>Note: Could not contact server</b>';
 	} else {
 	  tip += 'Estimated Ping: ' + (ping ? ping + 'ms' : '(Loading)');