unofficial-fb-chat-api/src/searchForThread.js

A Facebook chat API that doesn't rely on XMPP

"use strict";

var utils = require("../utils");

module.exports = function(defaultFuncs, api, ctx) {
  return function searchForThread(name, callback) {
    var resolveFunc = function(){};
    var rejectFunc = function(){};
    var returnPromise = new Promise(function (resolve, reject) {
      resolveFunc = resolve;
      rejectFunc = reject;
    });

    if (!callback) {
      callback = function (err, friendList) {
        if (err) {
          return rejectFunc(err);
        }
        resolveFunc(friendList);
      };
    }

    var tmpForm = {
      client: "web_messenger",
      query: name,
      offset: 0,
      limit: 21,
      index: "fbid"
    };

    defaultFuncs
      .post(
        "https://www.facebook.com/ajax/mercury/search_threads.php",
        ctx.jar,
        tmpForm
      )
      .then(utils.parseAndCheckLogin(ctx, defaultFuncs))
      .then(function(resData) {
        if (resData.error) {
          throw resData;
        }
        if (!resData.payload.mercury_payload.threads) {
          return callback({ error: "Could not find thread `" + name + "`." });
        }
        return callback(
          null,
          resData.payload.mercury_payload.threads.map(utils.formatThread)
        );
      });

    return returnPromise;
  };
};