LocationResolver that uses "data science toolkit"

geocode

/*!
 * Copyright 2017 Pentaho Corporation. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

define([
  "cdf/AddIn",
  "cdf/Dashboard.Clean",
  "cdf/lib/jquery",
  "amd!cdf/lib/underscore"
], function(AddIn, Dashboard, $, _) {
  "use strict";
  var addIn = {
    name: "geocode",
    label: "geocode",
    defaults: {
      url: "http://www.datasciencetoolkit.org/maps/api/geocode/json",
      serviceParams: {
        sensor: "false"
      },
      mapping: {
        "street": "street",
        "postalcode": "postalcode",
        "city": "city",
        "county": "county",
        "state": "state",
        "country": "country"
      }
    },
    implementation: function(tgt, st, opt) {
      if (st.latitude || st.longitude) {
        var location = [
          parseFloat(st.longitude),
          parseFloat(st.latitude)
        ];
        st.continuationFunction(location);
        return;
      }

      var address = _.compact(_.map(opt.mapping, function(field) {
        return st.data[st.mapping[field]];
      })).join(", ");

      var params = $.extend({}, opt.serviceParams, {
        address: address
      });

      var onSuccess = function(data) {
        var result = data.results;
        if (result && result.length && result[0].geometry && result[0].geometry.location) {
          var location = [
            parseFloat(result[0].geometry.location.lng),
            parseFloat(result[0].geometry.location.lat)
          ];
          st.continuationFunction(location);
        }
      };
      var onError = function() {
        st.continuationFunction([]);
      };
      return $.ajax({
        dataType: "jsonp",
        method: "GET",
        url: opt.url,
        data: params,
        success: onSuccess,
        error: onError
      });

    }
  };

  Dashboard.registerGlobalAddIn("NewMapComponent", "LocationResolver", new AddIn(addIn));

  return addIn;

});