shared/templates/partials/room-card-context-generator.js

   1 'use strict';
   2
   3 var _ = require('lodash');
   4 var validateTag = require('../../validation/validate-tag').validateTag;
   5 var getRoomNameFromTroupeName = require('../../get-room-name-from-troupe-name');
   6
   7 // via http://stackoverflow.com/a/17633552/796832
   8 var ranges = [
   9   { divider: 1e18, suffix: 'P' },
  10   { divider: 1e15, suffix: 'E' },
  11   { divider: 1e12, suffix: 'T' },
  12   { divider: 1e9, suffix: 'G' },
  13   { divider: 1e6, suffix: 'M' },
  14   { divider: 1e3, suffix: 'k' }
  15 ];
  16 var formatNumberWithSiPrefix = function(n) {
  17   for (var i = 0; i < ranges.length; i++) {
  18     if (n >= ranges[i].divider) {
  19       var siValue = n / ranges[i].divider;
  20       return (Math.round(siValue * 10) / 10).toString() + ranges[i].suffix;
  21     }
  22   }
  23   return n.toString();
  24 };
  25
  26 var defaults = {
  27   isStaff: false
  28 };
  29
  30 // generateRoomCardContext
  31 module.exports = function(room, options) {
  32   var opts = _.extend({}, defaults, options);
  33   var result = _.extend({}, room);
  34
  35   result.isPrivate =
  36     result.security !== 'PUBLIC' && result.security !== null && result.security !== undefined;
  37   result.canEditTags = opts.isStaff;
  38
  39   var roomName = room.name;
  40   if (opts.stripGroupName) {
  41     roomName = getRoomNameFromTroupeName(room.name);
  42   }
  43   result.name = roomName;
  44   result.roomNameParts = roomName.split('/');
  45
  46   result.topic = room.topic || room.description;
  47   if (room.messageCount) {
  48     result.messageCountSiPrefixed = formatNumberWithSiPrefix(room.messageCount);
  49   }
  50   result.displayTags = (result.tags || []).filter(function(tag) {
  51     return validateTag(tag, opts.isStaff).isValid;
  52   });
  53
  54   return result;
  55 };