From f7b9384d261beaa70994340eb83d6b77ac6535af Mon Sep 17 00:00:00 2001
From: Zara Gebru <zgebru@thoughtworks.com>
Date: Fri, 15 Apr 2016 11:27:01 +0200
Subject: Issue #678: added utility converting time passed and  dynamically
 changing version timestamp

---
 web-ui/app/js/helpers/view_helper.js | 44 ++++++++++++++++++++++++++++++++++++
 web-ui/app/js/page/version.js        | 14 ++++++++++--
 2 files changed, 56 insertions(+), 2 deletions(-)

(limited to 'web-ui/app/js')

diff --git a/web-ui/app/js/helpers/view_helper.js b/web-ui/app/js/helpers/view_helper.js
index 7e07df75..f8152ff7 100644
--- a/web-ui/app/js/helpers/view_helper.js
+++ b/web-ui/app/js/helpers/view_helper.js
@@ -103,10 +103,53 @@ define(
     return fingerprint.replace(/(.{4})/g, '$1 ').trim();
   }
 
+  function getSinceDate(sinceDate){
+    var commitDate = new Date(sinceDate);
+    var number = Date.now();
+    var millisecondsSince = number - commitDate;
+
+    var SECONDS = 1000,
+        MIN = 60 * SECONDS,
+        HOUR = MIN * 60,
+        DAY = HOUR * 24,
+        WEEK = DAY * 7,
+        MONTH = WEEK * 4,
+        YEAR = DAY * 365;
+
+    var years = Math.floor(millisecondsSince / YEAR);
+    if (years >= 1){
+      return years + ' year(s)';
+    }
+
+    var months = Math.floor(millisecondsSince / MONTH);
+    if (months >= 1) {
+      return months + ' month(s)';
+    }
+
+    var weeks = Math.floor(millisecondsSince / WEEK);
+    if (weeks >= 1) {
+      return weeks + ' week(s)';
+    }
+
+    var days = Math.floor(millisecondsSince / DAY);
+    if (days >= 1) {
+      return days + ' day(s)';
+    }
+
+    var hours = Math.floor(millisecondsSince / HOUR);
+    if (hours >= 1) {
+      return hours + ' hour(s)';
+    }
+
+    var minutes = Math.floor(millisecondsSince / MIN);
+    return minutes + ' minute(s)';
+  }
+
   Handlebars.registerHelper('formatDate', formatDate);
   Handlebars.registerHelper('formatSize', formatSize);
   Handlebars.registerHelper('formatStatusClasses', formatStatusClasses);
   Handlebars.registerHelper('formatFingerPrint', formatFingerPrint);
+  Handlebars.registerHelper('sinceDate', getSinceDate);
 
   return {
     formatStatusClasses: formatStatusClasses,
@@ -115,6 +158,7 @@ define(
     formatFingerPrint: formatFingerPrint,
     moveCaretToEndOfText: moveCaretToEndOfText,
     quoteMail: quoteMail,
+    sinceDate: getSinceDate,
     i18n: i18n
   };
 });
diff --git a/web-ui/app/js/page/version.js b/web-ui/app/js/page/version.js
index e5299f52..9fd5e629 100644
--- a/web-ui/app/js/page/version.js
+++ b/web-ui/app/js/page/version.js
@@ -14,13 +14,23 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with Pixelated. If not, see <http://www.gnu.org/licenses/>.
  */
-define(['flight/lib/component', 'views/templates'], function (defineComponent, templates) {
+define(['flight/lib/component', 'views/templates', 'helpers/view_helper'], function (defineComponent, templates, viewHelper) {
   'use strict';
 
   return defineComponent(function () {
-
+      this.defaultAttrs({
+        'sinceDate': '#version-date'
+      });
+    
     this.render = function () {
         this.$node.html(templates.page.version());
+        this.renderCommitDate();
+    };
+
+    this.renderCommitDate = function(){
+      var since = this.select('sinceDate').attr('data-since'),
+        commitDate = viewHelper.sinceDate(since);
+      this.select('sinceDate').html(commitDate + ' ago');
     };
 
     this.after('initialize', function () {
-- 
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