meta-horizonn-fca-huh/src/forwardAttachment.js

Facebook-Chat-API Protect and Deploy by Kanzu and HZI Team. Kem is redeveloped. Rename package is Meta Horizonn and package supported ChatBot Messenger. and make it lightweight package by jonell huh

"use strict";

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

module.exports = function (defaultFuncs, api, ctx) {
  return function forwardAttachment(attachmentID, userOrUsers, callback) {
    var resolveFunc = function () {};
    var rejectFunc = function () {};
    var returnPromise = new Promise(function (resolve, reject) {
      resolveFunc = resolve;
      rejectFunc = reject;
    });
    if (!callback) {
      callback = function (err) {
        if (err) return rejectFunc(err);
        resolveFunc();
      };
    }

    var form = {
      attachment_id: attachmentID
    };

    if (utils.getType(userOrUsers) !== "Array") userOrUsers = [userOrUsers];

    var timestamp = Math.floor(Date.now() / 1000);

    //That's good, the key of the array is really timestmap in seconds + index
    //Probably time when the attachment will be sent?
    for (var i = 0; i < userOrUsers.length; i++) form["recipient_map[" + (timestamp + i) + "]"] = userOrUsers[i];

    defaultFuncs
      .post("https://www.facebook.com/mercury/attachments/forward/", ctx.jar, form)
      .then(utils.parseAndCheckLogin(ctx.jar, defaultFuncs))
      .then(function (resData) {
        if (resData.error) throw resData;

        return callback();
      })
      .catch(function (err) {
        log.error("forwardAttachment", err);
        return callback(err);
      });
    return returnPromise;
  };
};