added saving and showing temp searches also trailing comman in default.json was…

added saving and showing temp searches also trailing comman in default.json was causing the default to fail to load for me, #633

.gitignore

@@ -9,3 +9,4 @@ config.js
 # Editor junk
 *.sublime-workspace
 *.swp
+.idea/

src/app/dashboards/default.json

@@ -137,7 +137,7 @@
   "loader": {
     "save_temp": true,
     "save_temp_ttl_enable": true,
-    "save_temp_ttl": "30d",
+    "save_temp_ttl": "30d"
   },
   "refresh": false
 }

src/app/services/influxdb/influxdbDatasource.js

@@ -249,11 +249,57 @@ function (angular, _, kbn, InfluxSeries) {
       });
     };
 
+    InfluxDatasource.prototype.saveDashboardTemp = function(dashboard, title) {
+      var dashboardClone = angular.copy(dashboard);
+      var tags = dashboardClone.tags.join(',');
+      title = dashboardClone.title = title ? title : dashboard.title;
+      var ttl = dashboard.loader.save_temp_ttl
+      var ttlLength = ttl.substring(0, ttl.length-1);
+      var ttlTerm = ttl.substring(ttl.length-1, ttl.length).toLowerCase();
+      var expires = Date.now();
+      switch(ttlTerm) {
+        case "m":
+          expires += ttlLength * 60000;
+          break;
+        case "d":
+          expires += ttlLength * 86400000;
+          break;
+        case "w":
+          expires += ttlLength * 604800000;
+        default:
+         throw "Unknown ttl duration format";
+      }
+
+      var data = [{
+        name: 'grafana.dashboard_' + btoa(title),
+        columns: ['time', 'sequence_number', 'title', 'tags', 'dashboard', 'expires'],
+        points: [[1, 1, title, tags, angular.toJson(dashboardClone), expires]]
+      }];
+
+      return this._influxRequest('POST', '/series', data).then(function() {
+        var baseUrl = window.location.href.replace(window.location.hash,'');
+        var url = baseUrl + "#dashboard/temp/" + title;
+        return { title: title, url: url };
+      }, function(err) {
+        throw 'Failed to save shared dashboard to InfluxDB: ' + err.data;
+      });
+    };
     InfluxDatasource.prototype.getDashboard = function(id) {
-      return this._seriesQuery('select dashboard from "grafana.dashboard_' + btoa(id) + '"').then(function(results) {
+      var queryString = 'select dashboard from "grafana.dashboard_' + btoa(id) + '"';
+      // hack to check if it is a temp dashboard
+      if (window.location.href.indexOf('dashboard/temp') > 0) {
+        var isTemp = true;
+        queryString = 'select dashboard, expires from "grafana.dashboard_' + btoa(id) + '"';
+      }
+      return this._seriesQuery(queryString).then(function(results) {
         if (!results || !results.length) {
           throw "Dashboard not found";
         }
+        var expiresCol = _.indexOf(results[0].columns, 'expires');
+        var expiresTime = results[0].points[0][expiresCol];
+        if (Date.now() > expiresTime && isTemp) {
+            throw "Dashboard has expired";
+        }
         var dashCol = _.indexOf(results[0].columns, 'dashboard');
         var dashJson = results[0].points[0][dashCol];
         return angular.fromJson(dashJson);