/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
import State from 'metal-state';
/**
* OpenStreetMapGeocoder
*/
class OpenStreetMapGeocoder extends State {
/**
* Handles the server response of a successfull address forward
* @param {Object} response Server response
* @param {function} callback Callback that will be executed on success
* @protected
* @review
*/
_handleForwardJSONP(response, callback) {
callback(response);
}
/**
* Handles the server response of a successfull location reverse
* @param {Object} response Server response
* @param {function} callback Callback that will be executed on success
* @protected
* @review
*/
_handleReverseJSONP({display_name, error, lat, lon}, callback) {
const result = {
data: {},
err: error,
};
if (!result.err) {
result.data = {
address: display_name,
location: {
lat: parseFloat(lat) || 0,
lng: parseFloat(lon) || 0,
},
};
}
callback(result);
}
/**
* Transforms a given address into valid latitude and longitude
* @param {string} query Address to be transformed into latitude and longitude
* @param {function} callback Callback that will be executed on success
* @review
*/
forward(query, callback) {
AUI().use('jsonp', A => {
const forwardUrl = OpenStreetMapGeocoder.TPL_FORWARD_GEOCODING_URL.replace(
'{query}',
query
);
A.jsonp(forwardUrl, {
context: this,
on: {
success: A.rbind('_handleForwardJSONP', this, callback),
},
});
});
}
/**
* Transforms a given location object (lat, lng) into a valid address
* @param {string} location Location information to be sent to the server
* @param {function} callback Callback that will be executed on success
* @review
*/
reverse(location, callback) {
AUI().use('jsonp', A => {
const reverseUrl = OpenStreetMapGeocoder.TPL_REVERSE_GEOCODING_URL.replace(
'{lat}',
location.lat
).replace('{lng}', location.lng);
A.jsonp(reverseUrl, {
context: this,
on: {
success: A.rbind('_handleReverseJSONP', this, callback),
},
});
});
}
}
/**
* Url template used for OpenStreetMapGeocoder.forward() method
* @review
* @see OpenStreetMapGeocoder.forward()
* @type {string}
*/
OpenStreetMapGeocoder.TPL_FORWARD_GEOCODING_URL =
'//nominatim.openstreetmap.org/search?format=json&json_callback={callback}&q={query}';
/**
* Url template used for OpenStreetMapGeocoder.reverse() method
* @review
* @see OpenStreetMapGeocoder.reverse()
* @type {string}
*/
OpenStreetMapGeocoder.TPL_REVERSE_GEOCODING_URL =
'//nominatim.openstreetmap.org/reverse?format=json&json_callback={callback}&lat={lat}&lon={lng}';
export default OpenStreetMapGeocoder;
export {OpenStreetMapGeocoder};