Add support for global timezones. Closes elastic#1600

package.json

@@ -108,6 +108,7 @@
     "minimatch": "2.0.10",
     "mkdirp": "0.5.1",
     "moment": "2.10.6",
+    "moment-timezone": "^0.4.1",
     "raw-loader": "0.5.1",
     "request": "2.61.0",
     "requirefrom": "0.2.0",
@@ -147,6 +148,7 @@
     "html-entities": "1.1.3",
     "husky": "0.8.1",
     "istanbul-instrumenter-loader": "0.1.3",
+    "json-loader": "^0.5.3",
     "karma": "0.13.9",
     "karma-chrome-launcher": "0.2.0",
     "karma-coverage": "0.5.1",

src/optimize/BaseOptimizer.js

@@ -105,6 +105,7 @@ class BaseOptimizer {
           },
           { test: /\.css$/, loader: ExtractTextPlugin.extract('style', `css${mapQ}`) },
           { test: /\.jade$/, loader: 'jade' },
+          { test: /\.json$/, loader: 'json' },
           { test: /\.(html|tmpl)$/, loader: 'raw' },
           { test: /\.png$/, loader: 'url?limit=10000&name=[path][name].[ext]' },
           { test: /\.(woff|woff2|ttf|eot|svg|ico)(\?|$)/, loader: 'file?name=[path][name].[ext]' },

src/plugins/kibana/public/kibana.js

@@ -4,6 +4,8 @@ require('plugins/kibana/dashboard/index');
 require('plugins/kibana/settings/index');
 require('plugins/kibana/doc/index');
 
+var moment = require('moment-timezone');
+
 var chrome = require('ui/chrome');
 var routes = require('ui/routes');
 var modules = require('ui/modules');
@@ -48,8 +50,15 @@ chrome
   }
 ])
 .setRootController('kibana', function ($scope, $rootScope, courier, config) {
+  function setDefaultTimezone() {
+    moment.tz.setDefault(config.get('dateFormat:tz'));
+  }
+
   // wait for the application to finish loading
   $scope.$on('application.load', function () {
     courier.start();
   });
+
+  $scope.$on('init:config', setDefaultTimezone);
+  $scope.$on('change:config.dateFormat:tz', setDefaultTimezone);
 });

src/ui/public/agg_types/buckets/date_histogram.js

@@ -7,7 +7,9 @@ define(function (require) {
     var TimeBuckets = Private(require('ui/time_buckets'));
     var createFilter = Private(require('ui/agg_types/buckets/create_filter/date_histogram'));
     var intervalOptions = Private(require('ui/agg_types/buckets/_interval_options'));
-    var timeZone = tzDetect.determine().name();
+    var configDefaults = Private(require('ui/config/defaults'));
+
+    var detectedTimezone = tzDetect.determine().name();
     var tzOffset = moment().format('Z');
 
     function getInterval(agg) {
@@ -94,7 +96,11 @@ define(function (require) {
             var interval = agg.buckets.getInterval();
             output.bucketInterval = interval;
             output.params.interval = interval.expression;
-            output.params.time_zone = timeZone || tzOffset;
+
+            var isDefaultTimezone = config.get('dateFormat:tz') === configDefaults['dateFormat:tz'].value;
+            output.params.time_zone = isDefaultTimezone ?
+              (detectedTimezone || tzOffset) :
+              config.get('dateFormat:tz');
 
             var scaleMetrics = interval.scaled && interval.scale < 1;
             if (scaleMetrics) {

src/ui/public/config/defaults.js

@@ -1,4 +1,7 @@
-define(function () {
+define(function (require) {
+  var moment = require('moment-timezone');
+  var _ = require('lodash');
+
   return function configDefaultsProvider() {
     // wraped in provider so that a new instance is given to each app/test
 
@@ -20,6 +23,12 @@ define(function () {
         value: 'MMMM Do YYYY, HH:mm:ss.SSS',
         description: 'When displaying a pretty formatted date, use this format',
       },
+      'dateFormat:tz': {
+        value: 'Default',
+        description: 'Which timezone should be used.  "Default" will use your detected timezone.',
+        type: 'select',
+        options: _.union(['Default'], moment.tz.names())
+      },
       'dateFormat:scaled': {
         type: 'json',
         value:

src/ui/public/stringify/__tests__/_date.js

@@ -1,20 +1,47 @@
 describe('Date Format', function () {
-  var fieldFormats;
   var expect = require('expect.js');
   var ngMock = require('ngMock');
+  var moment = require('moment-timezone');
+  var fieldFormats;
+  var settings;
+  var convert;
+  var $scope;
+  var off;
 
   beforeEach(ngMock.module('kibana'));
-  beforeEach(ngMock.inject(function (Private) {
+  beforeEach(ngMock.inject(function (Private, config, $rootScope) {
+    $scope = $rootScope;
+    settings = config;
+
     fieldFormats = Private(require('ui/registry/field_formats'));
+    var DateFormat = fieldFormats.getType('date');
+    var date = new DateFormat();
+
+    convert = date.convert.bind(date);
   }));
 
   it('decoding an undefined or null date should return an empty string', function () {
-    var DateFormat = fieldFormats.getType('date');
-    var date = new DateFormat({
-      pattern: 'dd-MM-yyyy'
-    });
-    expect(date.convert(null)).to.be('-');
-    expect(date.convert(undefined)).to.be('-');
+    expect(convert(null)).to.be('-');
+    expect(convert(undefined)).to.be('-');
   });
 
+  it('should clear the memoization cache after changing the date', function () {
+    function setDefaultTimezone() {
+      moment.tz.setDefault(settings.get('dateFormat:tz'));
+    }
+    var time = 1445027693942;
+
+    off = $scope.$on('change:config.dateFormat:tz', setDefaultTimezone);
+
+    settings.set('dateFormat:tz', 'America/Chicago');
+    $scope.$digest();
+    var chicagoTime = convert(time);
+
+    settings.set('dateFormat:tz', 'America/Phoenix');
+    $scope.$digest();
+    var phoenixTime = convert(time);
+
+    expect(chicagoTime).not.to.equal(phoenixTime);
+    off();
+  });
 });

src/ui/public/stringify/types/Date.js

@@ -17,7 +17,8 @@ define(function (require) {
     DateTime.fieldType = 'date';
 
     DateTime.paramDefaults = new BoundToConfigObj({
-      pattern: '=dateFormat'
+      pattern: '=dateFormat',
+      timezone: '=dateFormat:tz'
     });
 
     DateTime.editor = {
@@ -41,16 +42,22 @@ define(function (require) {
       // don't give away our ref to converter so
       // we can hot-swap when config changes
       var pattern = this.param('pattern');
+      var timezone = this.param('timezone');
 
-      if (this._memoizedPattern !== pattern) {
+      var timezoneChanged = this._timeZone !== timezone;
+      var datePatternChanged = this._memoizedPattern !== pattern;
+      if (timezoneChanged || datePatternChanged) {
+        this._timeZone = timezone;
         this._memoizedPattern = pattern;
+
         this._memoizedConverter = _.memoize(function converter(val) {
           if (val === null || val === undefined) {
             return '-';
           }
           return moment(val).format(pattern);
         });
       }
+
       return this._memoizedConverter(val);
     };
 

webpackShims/moment-timezone.js

@@ -0,0 +1,2 @@
+var moment = module.exports = require('../node_modules/moment-timezone/moment-timezone');
+moment.tz.load(require('../node_modules/moment-timezone/data/packed/latest.json'));