aminul-remake-fca/src/setMessageReactionMqtt.js

Aminul's remake of ws3-fca — next-generation Facebook Chat API fork

'use strict';

const { generateOfflineThreadingID } = require('../utils');

function isCallable(func) {
  try {
    Reflect.apply(func, null, []);
    return true;
  } catch (error) {
    return false;
  }
}

module.exports = function (defaultFuncs, api, ctx) {
  return function setMessageReactionMqtt(reaction, messageID, threadID, callback) {
    if (!ctx.mqttClient) {
      throw new Error('Not connected to MQTT');
    }
    

    ctx.wsReqNumber += 1;
    ctx.wsTaskNumber += 1;

    const taskPayload = {
      thread_key: threadID,
      timestamp_ms: Date.now(),
      message_id: messageID,
      reaction: reaction,
      actor_id: ctx.userID,
      reaction_style: null,
      sync_group: 1,
      send_attribution: Math.random() < 0.5 ? 65537 : 524289
    };

    const task = {
      failure_count: null,
      label: '29',
      payload: JSON.stringify(taskPayload),
      queue_name: JSON.stringify(['reaction', messageID]),
      task_id: ctx.wsTaskNumber,
    };

    const content = {
      app_id: '2220391788200892',
      payload: JSON.stringify({
        data_trace_id: null,
        epoch_id: parseInt(generateOfflineThreadingID()),
        tasks: [task],
        version_id: '7158486590867448',
      }),
      request_id: ctx.wsReqNumber,
      type: 3,
    };

    if (isCallable(callback)) {
      ctx.reqCallbacks[ctx.wsReqNumber] = callback;
    }

    ctx.mqttClient.publish('/ls_req', JSON.stringify(content), { qos: 1, retain: false });
  };
};