amatriain/feedbunch

/**
 * Web Worker to load feeds in a separate thread.
 */

importScripts('<%= asset_path 'workers/common/do_get' %>');

// Callback for messages from the main thread
onmessage = function(e){
  // Constants for the different operations the web worker can perform
  var LOAD_FEED = "load_feed";
  var LOAD_FEEDS = "load_feeds";
  var LOAD_FOLDER_FEEDS = "load_folder_feeds";

  // Operation to perform
  var operation = e.data.operation;

  // CSRF token
  var token = e.data.token;

  if (operation == LOAD_FEED){
    // ID of the feed from which entries will be loaded
    var id = e.data.feed_id;
    var url = "/api/feeds/" + id + ".json";

    do_get(operation, url, token, {feed_id: id}, 0);
  }
  else if (operation == LOAD_FEEDS){
    var show_read = e.data.show_read;
    var page = e.data.page;
    var url = "/api/feeds.json?include_read=" + show_read + "&page=" + page;

    do_get(operation, url, token, {show_read: show_read, page: page}, 0);
  }
  else if (operation == LOAD_FOLDER_FEEDS){
    var id = e.data.folder_id;
    var show_read = e.data.show_read;
    var url = "/api/folders/" + id + "/feeds.json?include_read=" + show_read;

    do_get(operation, url, token, {folder_id: id, show_read: show_read}, 0);
  }
}