surger/lib/index.js

CLI wifi gps powered surge pricing indicator for Uber

"use strict";

var _interopRequireWildcard = require("@babel/runtime-corejs2/helpers/interopRequireWildcard");

var _interopRequireDefault = require("@babel/runtime-corejs2/helpers/interopRequireDefault");

var _Object$defineProperty = require("@babel/runtime-corejs2/core-js/object/define-property");

_Object$defineProperty(exports, "__esModule", {
  value: true
});

exports.init = init;

var _values = _interopRequireDefault(require("@babel/runtime-corejs2/core-js/object/values"));

var _stringify = _interopRequireDefault(require("@babel/runtime-corejs2/core-js/json/stringify"));

var _getOwnPropertyNames = _interopRequireDefault(require("@babel/runtime-corejs2/core-js/object/get-own-property-names"));

var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime-corejs2/helpers/classCallCheck"));

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime-corejs2/helpers/defineProperty"));

var util = _interopRequireWildcard(require("util"));

var _eventemitter = _interopRequireDefault(require("eventemitter2"));

var _chalk = _interopRequireDefault(require("chalk"));

var _textTable = _interopRequireDefault(require("text-table"));

var _currentLocation = _interopRequireDefault(require("current-location"));

var _stripAnsi = _interopRequireDefault(require("strip-ansi"));

var pkg = require('../package');

var uber = new (require('node-uber'))(pkg.uber);

var geo = require('node-geocoder')(pkg.geo);

var Surger = function Surger() {
  var _this = this;

  var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  (0, _classCallCheck2["default"])(this, Surger);
  (0, _defineProperty2["default"])(this, "isNonEmptyObject", function (obj) {
    return (0, _getOwnPropertyNames["default"])(obj || {}).length !== 0;
  });
  (0, _defineProperty2["default"])(this, "handleCoords", function (_ref) {
    var lat = _ref.lat,
        lng = _ref.lng;
    return _this.getDetailsFromLatLng(lat, lng).then(function () {
      return _this.getPriceEstimateFromLatLng(lat, lng)["catch"](function (err) {
        _this.emitter.emit('debug.handleCoords', 'getPriceEstimateFromLatLng failed', err);

        throw err;
      });
    })["catch"](function (err) {
      _this.emitter.emit('debug.handleCoords', 'getDetailsFromLatLng failed', err);

      throw err;
    });
  });
  (0, _defineProperty2["default"])(this, "handlePriceEstimate", function (err, estimates) {
    if (err) throw err;

    _this.parseEstimates(estimates);
  });
  (0, _defineProperty2["default"])(this, "parseEstimates", function (estimates) {
    console.log((0, _textTable["default"])(estimates));
  });
  (0, _defineProperty2["default"])(this, "parseDetails", function (details) {
    var _details$find = details.find(Object),
        streetName = _details$find.streetName;

    console.log('');
    console.log('Estimates near', _chalk["default"].blue(streetName));
    console.log('');
  });
  (0, _defineProperty2["default"])(this, "getDetailsFromLatLng", function (lat, lng) {
    _this.emitter.emit('debug.getDetailsFromLatLng', 'geo reversing', lat, lng);

    return geo.reverse({
      lat: lat,
      lon: lng
    }).then(function (details) {
      return _this.parseDetails(details);
    });
  });
  (0, _defineProperty2["default"])(this, "getPriceEstimateFromLatLng", function (lat, lng) {
    var yay = _chalk["default"].dim.bgGreen.bold;
    var nay = _chalk["default"].white.bgRed.bold;

    _this.emitter.emit('debug.getPriceEstimateFromLatLng', 'getting estimates');

    return uber.estimates.getPriceForRouteAsync(lat, lng, lat, lng).then(function (resp) {
      _this.estimates = resp.prices.map(function (resp) {
        _this.emitter.emit('debug.getPriceEstimateFromLatLng', 'getPriceForRouteAsync', (0, _stringify["default"])(resp));

        var currency_code = resp.currency_code,
            display_name = resp.display_name,
            distance = resp.distance,
            duration = resp.duration,
            estimate = resp.estimate,
            high_estimate = resp.high_estimate,
            localized_display_name = resp.localized_display_name,
            low_estimate = resp.low_estimate,
            product_id = resp.product_id,
            _resp$surge_multiplie = resp.surge_multiplier,
            surge_multiplier = _resp$surge_multiplie === void 0 ? 1 : _resp$surge_multiplie;
        return [// UberX, UberT, etc.
        localized_display_name, // Surge Pricing?
        surge_multiplier === 1 ? yay(" \u2714 GOOD [min. ".concat(low_estimate, " ").concat(currency_code, "]")) : nay(" $ SURGE ".concat(surge_multiplier, "x [min. ").concat(estimate, " ").concat(currency_code, "]"))];
      });

      _this.emitter.emit('debug.estimates', 'estimates', (0, _stringify["default"])(_this.estimates.map(function (a) {
        return a.map(_stripAnsi["default"]);
      })));

      _this.parseEstimates(_this.estimates);
    }).error(function (err) {
      _this.emitter.emit('debug.getPriceEstimateFromLatLng', 'getting estimate failed');

      throw err;
    });
  });
  (0, _defineProperty2["default"])(this, "getCoords", function (cb) {
    var gpsP = util.promisify(_currentLocation["default"]);

    _this.emitter.emit('debug.getCoords', 'finding location');

    return gpsP().then(function (location) {
      var _ref2 = location || {},
          latitude = _ref2.latitude,
          longitude = _ref2.longitude;

      _this.emitter.emit('debug.getCoords', 'confirmed location', (0, _values["default"])(location));

      return cb({
        lat: latitude,
        lng: longitude
      });
    });
  });
  this.options = options;
  this.estimates = [];
  this.emitter = new _eventemitter["default"]({
    wildcard: true
  });
  this.options.debug && this.emitter.on('debug.*', function (title) {
    var _console;

    for (var _len = arguments.length, message = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
      message[_key - 1] = arguments[_key];
    }

    (_console = console).warn.apply(_console, [_chalk["default"].red.bold(this.event), _chalk["default"].magenta(title)].concat(message));
  });
  this.getCoords(this.handleCoords)["catch"](function (err) {
    _this.emitter.emit('debug.surger', 'getCoords failed', err);

    console.error(err);
  });
};

function init(options) {
  return new Surger(options);
}