geohash-cli/lib/geohash.js

CLI to find as much info as possible about today's (or any date's) geohashes.

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _async = require('async');

var _debug = require('debug');

var _debug2 = _interopRequireDefault(_debug);

var _partial = require('lodash/partial');

var _partial2 = _interopRequireDefault(_partial);

var _transform = require('lodash/transform');

var _transform2 = _interopRequireDefault(_transform);

var _assign = require('lodash/assign');

var _assign2 = _interopRequireDefault(_assign);

var _geohashMap = require('./geohashMap');

var _geohashMap2 = _interopRequireDefault(_geohashMap);

var _fillOptions = require('./fillOptions');

var _fillOptions2 = _interopRequireDefault(_fillOptions);

var _getCoordinates = require('./getCoordinates');

var _getCoordinates2 = _interopRequireDefault(_getCoordinates);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var debug = (0, _debug2.default)('geohash:main');

var toGeoHash = function toGeoHash() {
  var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  var cb = arguments[1];

  if (typeof options === 'function') {
    cb = options;
    options = {};
  }

  var _options = options,
      key = _options.key;

  var filledOptions = (0, _partial2.default)(_fillOptions2.default, options);

  (0, _async.waterfall)([filledOptions, _getCoordinates2.default], function (err, results) {
    if (err) return cb(err);

    var byDate = results.byDate,
        graticule = results.graticule,
        location = results.location;

    var milesFromLoc = function milesFromLoc(geo) {
      return { distance: location.milesFrom(geo) };
    };
    debug('Location: ' + location);
    debug('Graticule: ' + graticule);

    var dates = (0, _transform2.default)(byDate, function (result, hashes, date) {
      var global = hashes.global,
          geohashes = hashes.geohashes;


      debug('Global: ' + global);
      debug('Geohashes: ' + geohashes);

      var map = (0, _geohashMap2.default)({
        key: key,
        location: location,
        geohashes: geohashes,
        center: graticule.graticuleCenter().join(','),
        drawGraticulePaths: true,
        zoom: 7
      });

      var globalMap = (0, _geohashMap2.default)({
        key: key,
        location: location,
        geohashes: [global],
        center: location.toString(),
        drawGraticulePaths: false,
        zoom: null
      });

      result[date] = {
        map: map,
        globalMap: globalMap,
        global: (0, _assign2.default)(milesFromLoc(global), global.toJSON()),
        geohashes: geohashes.map(function (hash) {
          return (0, _assign2.default)(milesFromLoc(hash), hash.toJSON());
        })
      };
    });

    cb(null, { dates: dates, location: location.toJSON() });
  });
};

exports.default = toGeoHash;