openproject/frontend/app/services/conversion-service.js

//-- copyright
// OpenProject is a project management system.
// Copyright (C) 2012-2017 the OpenProject Foundation (OPF)
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License version 3.
//
// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
// Copyright (C) 2006-2017 Jean-Philippe Lang
// Copyright (C) 2010-2013 the ChiliProject Team
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
// See doc/COPYRIGHT.rdoc for more details.
//++

module.exports = function() {
  var ConversionService = {
    //TODO: not sure if we need GigaBytes
    megabytes: function(bytes) {
      if (angular.isNumber(bytes)) {
        return Number((bytes / 1000000).toFixed(1));
      }
      return bytes;
    },
    kilobytes: function(bytes) {
      if (angular.isNumber(bytes)) {
        return Number((bytes / 1000).toFixed(1));
      }
      return bytes;
    },
    fileSize: function(bytes) {
      if (1000 <= bytes && bytes < 1000000) {
        return ConversionService.kilobytes(bytes) + 'kB';
      }
      if (bytes >= 1000000) {
        return ConversionService.megabytes(bytes) + 'MB';
      }
      return bytes + 'B';
    }
  };

  return ConversionService;
};