tools/sheriffing/statuspageinfo.js

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 /** Information about a particular status page. */
   6 function StatusPageInfo(statusPageName, statusPageUrl) {
   7   this.date = '';
   8   this.inFlight = 0;
   9   this.jsonUrl = statusPageUrl + 'current?format=json';
  10   this.message = '';
  11   this.name = statusPageName;
  12   this.state = '';
  13   this.url = statusPageUrl;
  14 }
  15
  16 /** Send and parse an asynchronous request to get a repo status JSON. */
  17 StatusPageInfo.prototype.requestJson = function() {
  18   if (this.inFlight) return;
  19
  20   this.inFlight++;
  21   gNumRequestsInFlight++;
  22
  23   var statusPageInfo = this;
  24   var request = new XMLHttpRequest();
  25   request.open('GET', this.jsonUrl, true);
  26   request.onreadystatechange = function() {
  27     if (request.readyState == 4 && request.status == 200) {
  28       statusPageInfo.inFlight--;
  29       gNumRequestsInFlight--;
  30
  31       var statusPageJson = JSON.parse(request.responseText);
  32       statusPageInfo.date = statusPageJson.date;
  33       statusPageInfo.message = statusPageJson.message;
  34       statusPageInfo.state = statusPageJson.general_state;
  35     }
  36   };
  37   request.send(null);
  38 };
  39
  40 /** Creates HTML displaying the status. */
  41 StatusPageInfo.prototype.createHtml = function() {
  42   var linkElement = document.createElement('a');
  43   linkElement.href = this.url;
  44   linkElement.innerHTML = this.name;
  45
  46   var statusElement = document.createElement('li');
  47   statusElement.appendChild(linkElement);
  48
  49   var dateElement = document.createElement('li');
  50   dateElement.innerHTML = this.date;
  51
  52   var messageElement = document.createElement('li');
  53   messageElement.innerHTML = this.message;
  54
  55   var boxElement = document.createElement('ul');
  56   boxElement.className = 'box ' + this.state;
  57   boxElement.appendChild(statusElement);
  58   boxElement.appendChild(dateElement);
  59   boxElement.appendChild(messageElement);
  60   return boxElement;
  61 };