adgeneration.js

/**
 * Copyright 2016 The AMP HTML Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS-IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import {loadScript, validateData, writeScript} from '../3p/3p';

/**
 * @param {!Window} global
 * @param {!Object} data
 */
export function adgeneration(global, data) {
  validateData(data, ['id'],
      ['targetid', 'displayid', 'adtype', 'async', 'option']);

  // URL encoding
  const option = data.option ? encodeQueryValue(data.option) : null;

  const url = 'https://i.socdm.com/sdk/js/adg-script-loader.js?' +
      'id=' + encodeURIComponent(data.id) +
      '&width=' + encodeURIComponent(data.width) +
      '&height=' + encodeURIComponent(data.height) +
      '&adType=' +
      (data.adtype ? encodeURIComponent(data.adtype.toUpperCase()) : 'FREE') +
      '&async=' +
      (data.async ? encodeURIComponent(data.async.toLowerCase()) : 'false') +
      '&displayid=' +
      (data.displayid ? encodeURIComponent(data.displayid) : '1') +
      '&tagver=2.0.0' +
      (data.targetid ? '&targetID=' + encodeURIComponent(data.targetid) : '') +
      (option ? '&' + option : '');

  if (data.async && data.async.toLowerCase() === 'true') {
    loadScript(global, url);
  } else {
    writeScript(global, url);
  }
}

/**
 * URL encoding of query string
 * @param {string} str
 * @return {string}
 */
function encodeQueryValue(str) {
  return str.split('&').map(v => {
    const key = v.split('=')[0],
        val = v.split('=')[1];
    return encodeURIComponent(key) + '=' + encodeURIComponent(val);
  }).join('&');
}