daq-sdk-js/lib/core.js

Data Acquisition JS SDK of Monster

const md5 = require("md5");
// 采集sdk
const daq = {};
// 工具
const _ = {
  options: {},
  logger: function() {}, // 日志工具
};

daq.param = {
  prefix: "/mst-solar-api/data/coll",
  server_url: "", // 服务地址
  token: "", // 商户密钥 ID，商户固定暂定
  project: "", // 项目名称
  channel: "", // PC: 1 APP AND 2 IOS 3 微信小程序 4
};

// 设置请求工具
daq.initRequest = function(request) {
  this.request = request;
};
/**
 * 初始化数据采集工具
 * @param {Object} param
 */
daq.initial = function(param) {
  this.param = {
    ...daq.param,
    ...param,
  };
  _.options.showLog = param.showLog || false;
};
/**
 * 发送采集的数据
 * @param {Object} param
 */
daq.sendEvent = function({
  tenantId = this.param.tenantId,
  project = this.param.project,
  channel = this.param.channel,
  event = "",
  timestamp = _.now(),
  nonce = _.getRandom(),
  data = {},
}) {
  try {
    const url = this.param.server_url + this.param.prefix;
    const token = this.param.token;
    const time = _.now();
    const sign = _.getSign(token, timestamp, nonce);
    _.logger({
      message: "准备请求" + url + "\ntoken:" + token + "\nsign:" + sign,
    });
    this.request.post(
      url,
      {
        tenantId,
        project,
        channel,
        event,
        time,
        data,
      },
      {
        // // credentials: "include",
        // timeout: 3000,
        // // prefix: this.param.prefix,
        headers: {
          //   "Content-Type": "application/json",
          token, // 用户令牌
          timestamp, //当前时间戳
          nonce, // 随机正整数
          sign, //签名，，上述三个参数加起来，计算32位MD5摘要值，并转为16进制字符串
        },
      }
    );
  } catch (e) {
    _.logger({
      type: "error",
      message: e && e.message ? e.message + "\n" : e,
    });
  }
};

// ----------   工具定义

// 日志工具
// type : log,warn,error
_.logger = function({ message = "", type = "log" }) {
  if (!this.options.showLog) {
    return;
  }
  console[type](_.fmtDate(), message);
};
/**
 * 当前时间戳
 */
_.now = function() {
  return new Date().getTime();
};

/**
 * 当前格式化的日期
 */
_.fmtDate = function() {
  const d = new Date();
  return (
    d.getFullYear() +
    "-" +
    _.dig2(d.getMonth() + 1) +
    "-" +
    _.dig2(d.getDate()) +
    " " +
    _.dig2(d.getHours()) +
    ":" +
    _.dig2(d.getMinutes()) +
    ":" +
    _.dig2(d.getSeconds())
  );
};

/**
 * 最低2位数
 * @param {*} number
 */
_.dig2 = function(number) {
  const numberStr = `${number}`;
  if (numberStr.length == 1) {
    return "0" + number;
  } else {
    return numberStr;
  }
};
/**
 * 格式化sign token,timestamp,nonce三个参数加起来，计算32位MD5摘要值，并转为16进制字符串
 * @param {string} token
 * @param {string} timestamp
 * @param {string} nonce
 */
_.getSign = function(token, timestamp, nonce) {
  const sum = `${token}${timestamp}${nonce}`;
  return md5(sum);
};
/**
 * 获取随机数
 */
_.getRandom = function() {
  return Math.round(Math.random() * 100000);
};
if (window) {
  window.daq = daq;
}

module.exports = daq;