jywa-digi/index.js

A Node.js wrapper for the Digiflazz API

const crypto = require("crypto");
const rp = require("request-promise-native");
const parseError = require("./lib/err");

class Digiflazz {
  /**
   * @param {number} username - Username API
   * @param {string} key - Key API
   * @param {string} webhook - Webhook key
   */
  constructor(username, key, webhook = null) {
    this._user = username;
    this._key = key;
    this._keyWebhooks = webhook;
    this._endpoint = "https://api.digiflazz.com/v1";
  }

  cekSaldo() {
    const options = {
      method: "POST",
      uri: `${this._endpoint}/cek-saldo`,
      body: {
        cmd: "deposit",
        username: this._user,
        sign: crypto
          .createHash("md5")
          .update(`${this._user}${this._key}depo`)
          .digest("hex"),
      },
      json: true,
    };

    return rp(options)
      .then(function (resp) {
        return resp.data;
      })
      .catch(function (err) {
        throw parseError(err);
      });
  }

  daftarHarga() {
    const options = {
      method: "POST",
      uri: `${this._endpoint}/price-list`,
      body: {
        username: this._user,
        sign: crypto
          .createHash("md5")
          .update(`${this._user}${this._key}pricelist`)
          .digest("hex"),
      },
      json: true,
    };

    return rp(options)
      .then(function (resp) {
        return resp.data;
      })
      .catch(function (err) {
        throw parseError(err);
      });
  }

  /**
   * @param {number} amount - Nominal yang akan dideposit
   * @param {string} bank - Nama Bank (BCA / MANDIRI / BRI)
   * @param {string} name - Nama pemilik rekening yang akan digunakan untuk transfer
   */
  deposit(amount, bank, name) {
    const options = {
      method: "POST",
      uri: `${this._endpoint}/deposit`,
      body: {
        username: this._user,
        amount,
        Bank: bank,
        owner_name: name,
        sign: crypto
          .createHash("md5")
          .update(`${this._user}${this._key}deposit`)
          .digest("hex"),
      },
      json: true,
    };

    return rp(options)
      .then(function (resp) {
        return resp.data;
      })
      .catch(function (err) {
        throw parseError(err);
      });
  }

  /**
   * @param {string} sku - Kode produk anda
   * @param {string} customer - Nomor pelanggan yang akan ditopup
   * @param {string} refID - Ref ID unik Anda
   * @param {string} cmd - Jenis transaksi pascabayar (CEK, BAYAR)
   * @param {string} msg - Pesan tambahan
   */
  transaksi(sku, customer, refID, cmd = null, msg = null) {
    const options = {
      method: "POST",
      uri: `${this._endpoint}/transaction`,
      body: {
        username: this._user,
        buyer_sku_code: sku,
        customer_no: customer,
        ref_id: refID,
        msg,
        sign: crypto
          .createHash("md5")
          .update(`${this._user}${this._key}${refID}`)
          .digest("hex"),
      },
      json: true,
    };

    if (cmd === "CEK") options.body.commands = "inq-pasca";
    if (cmd === "BAYAR") options.body.commands = "pay-pasca";
    if (cmd === "STATUS") options.body.commands = "status-pasca";

    return rp(options)
      .then(function (resp) {
        return resp.data;
      })
      .catch(function (err) {
        throw parseError(err);
      });
  }

  static webhook(middle) {
    return function middleHandler(req, res, next) {
      middle.onWebhook(req, res, next);
      next();
    };
  }

  onWebhook(req, res, next) {
    const hmac =
      "sha1=" +
      crypto
        .createHmac("sha1", this._keyWebhooks)
        .update(JSON.stringify(req.body))
        .digest("hex");

    if (req.headers["x-hub-signature"] === hmac) {
      req.digiwebhooks = {
        event: req.headers["x-digiflazz-event"],
        delivery: req.headers["x-digiflazz-delivery"],
        data: req.body.data,
      };
    }
    res.json({ msg: "received" });
  }
}

module.exports = Digiflazz;