server/web/prerender-chat-helper.js

   1 'use strict';
   2
   3 /* Would be nice if we could just fold this into prerender-helper, but at the moment
   4  * async helpers for express-hbs only take a single parameter and we can't use them
   5  * Also, this way is much faster, so it's not so bad
   6  */
   7
   8 var _ = require('lodash');
   9 var compileTemplate = require('./compile-web-template');
  10 var timeFormat = require('gitter-web-shared/time/time-format');
  11 const generatePermalink = require('gitter-web-shared/chat/generate-permalink');
  12 // var fullTimeFormat = require('gitter-web-shared/time/full-time-format');
  13 const getProfileUrlFromVirtualUser = require('gitter-web-shared/get-profile-url-from-virtual-user');
  14
  15 var chatWrapper = compileTemplate.compileString(
  16   '<div class="chat-item model-id-{{id}} {{burstClass}} {{unreadClass}} {{deletedClass}} {{threadedConversationClass}}" role="listitem">{{{inner}}}</div>'
  17 );
  18
  19 var chatItemTemplate = compileTemplate('/js/views/chat/tmpl/chatItemView.hbs');
  20 var statusItemTemplate = compileTemplate('/js/views/chat/tmpl/statusItemView.hbs');
  21
  22 function getFormattedTime(model, lang, tz, tzOffset, isArchive) {
  23   /* In the chat environment, we don't want to prerender the time
  24    * when we don't know what timezone the user is in: we'll just wait
  25    * until the javascript kicks in and render it then.
  26    *
  27    * However, in the archive environment, we don't want to do this
  28    * for SEO and also because the chats are not re-rendered, so no
  29    * times will be shown.
  30    */
  31   if (!tz && !isArchive) {
  32     return '';
  33   }
  34
  35   return timeFormat(model.sent, { lang: lang, tzOffset: tzOffset, forceUtc: isArchive });
  36 }
  37
  38 module.exports = exports = function(model, params) {
  39   var deletedClass;
  40
  41   var root = params.data.root;
  42
  43   const isArchive = params.hash.type === 'archive';
  44
  45   var troupeName = root.troupeName;
  46   var lang = root.lang;
  47   var locale = root.locale;
  48   var tz = root.tz;
  49   var tzOffset = root.tzOffset;
  50
  51   var text = model.text || '';
  52   var html = model.html || model.text || '';
  53
  54   // Handle empty messages as deleted
  55   if (html.length === 0) {
  56     html = '<i>This message was deleted</i>';
  57     deletedClass = 'deleted';
  58   }
  59
  60   const sentTimeFormatted = getFormattedTime(model, lang, tz, tzOffset, isArchive);
  61   // TODO: add sentTimeFull
  62
  63   var m = _.extend({}, model, {
  64     displayName: model.fromUser && model.fromUser.displayName,
  65     username: model.fromUser && model.fromUser.username,
  66     sentTimeFormatted: sentTimeFormatted,
  67     text: text,
  68     html: html,
  69     lang: lang,
  70     locale: locale,
  71     tz: tz,
  72     tzOffset: tzOffset,
  73     permalinkUrl: generatePermalink(troupeName, model.id, model.sent, isArchive),
  74     showItemActions: !isArchive
  75   });
  76
  77   if (m.virtualUser) {
  78     m.virtualUser.isMatrix = m.virtualUser.type === 'matrix';
  79     m.virtualUser.profileUrl = getProfileUrlFromVirtualUser(m.virtualUser);
  80   }
  81
  82   var result;
  83
  84   if (m.status) {
  85     result = statusItemTemplate(m);
  86   } else {
  87     result = chatItemTemplate(m);
  88   }
  89
  90   var unreadClass = model.unread ? 'unread' : 'read';
  91   var burstClass = model.burstStart ? 'burstStart' : 'burstContinued';
  92   const threadedConversationClass = model.parentId ? 'threaded-conversation-chat-item' : '';
  93
  94   return chatWrapper({
  95     id: model.id,
  96     burstClass,
  97     unreadClass,
  98     deletedClass,
  99     threadedConversationClass,
 100     locale: locale,
 101     inner: result
 102   });
 103 };