Clubdeuce\WPLib\Components\GoogleMaps\Geocoder

Complexity

Total Complexity

18

Size/Duplication

Total Lines	171
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes	3
Bugs	0	Features	1

10 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	9	1
A	api_key()	0	5	1
A	_make_url()	0	9	1
A	geocode()	0	14	3
A	_make_location()	0	17	1
A	_get_state_from_results()	0	5	1
A	_get_zip_from_results()	0	5	1
A	_get_value_from_results()	0	16	4
A	_make_request()	0	18	3
A	_get_data()	0	12	2

<?php

namespace Clubdeuce\WPLib\Components\GoogleMaps;

/**
 * Class Geocoder
 * @package Clubdeuce\WPLib\Components\GoogleMaps
 */
class Geocoder {

    /**
     * @var string
     */
    protected $_api_key;

    /**
     * KSA_Geocoder constructor.
     *
     * @param array $args
     */
    function __construct( $args = array() ) {

        $args = wp_parse_args( $args, array(
            'api_key' => '',
        ) );

        $this->_api_key = $args['api_key'];

    }

    /**
     * @return string
     */
    function api_key() {

        return $this->_api_key;

    }

    /**
     * @param  string $address
     * @return Location|\WP_Error
     */
    function geocode( $address ) {

        $location = new \WP_Error(100, 'No results found', array( 'address' => $address ) );
        $url = $this->_make_url( $address );

        $response = $this->_make_request( $url );

        if ( ! is_wp_error( $response ) && count( $response['results'] ) > 0 ) {
            $location = $this->_make_location( $response['results'][0] );
        }

        return $location;

    }

    /**
     * @param  string $address
     * @return string
     */
    private function _make_url( $address ) {

        return sprintf(
            'https://maps.googleapis.com/maps/api/geocode/json?address=%1$s&key=%2$s',
            urlencode( filter_var( $address, FILTER_SANITIZE_STRING ) ),
            self::api_key()
        );

    }

    /**
     * Convert the response body into an a Location object
     *
     * @param  array $results
     * @return Location
     */
    private function _make_location( $results ) {

        $response = new Location( array(
            'address'           => $results['formatted_address'],
            'formatted_address' => $results['formatted_address'],
            'state'             => self::_get_state_from_results( $results ),
            'zip_code'          => self::_get_zip_from_results( $results ),
            'latitude'          => $results['geometry']['location']['lat'],
            'longitude'         => $results['geometry']['location']['lng'],
            'place_id'          => $results['place_id'],
            'types'             => $results['types'],
            'viewport'          => $results['geometry']['viewport'],
        ) );

        return $response;

    }

    /**
     * @param  array  $results
     * @return string
     */
    private function _get_state_from_results( $results ) {

        return self::_get_value_from_results( 'administrative_area_level_1', $results );

    }

    /**
     * @param  array $results
     * @return string
     */
    private function _get_zip_from_results( $results ) {

        return self::_get_value_from_results( 'postal_code', $results );

    }

    /**
     * @param  string $value
     * @param  array  $results
     * @return string
     */
    private function _get_value_from_results( $value, $results ) {

        $result_value = '';

        if ( isset( $results['address_components'] ) ) {
            foreach ( $results['address_components'] as $component ) {
                if ( $component['types'][0] === $value ) {
                    $result_value = $component['short_name'];
                    break;
                }
            }
        }

        return $result_value;

    }

    /**
     * @param  string $url
     * @return array|\WP_Error
     */
    private function _make_request( $url ) {

        $return = new \WP_Error( 1, 'Invalid URL', $url );

        if ( wp_http_validate_url( $url ) ) {
            $request = $this->_get_data( $url );

            $return = new \WP_Error( $request['response']['code'], $request['response']['message'] );

            if ( 200 == $request['response']['code'] ) {
                $return = json_decode( $request['body'], true );
            }

        }

        return $return;

    }

    /**
     * @param $url
     * @return array|\WP_Error
     */
    private function _get_data( $url ) {

        $cache_key = md5( serialize( $url ) );

        if ( ! $data = wp_cache_get( $cache_key ) ) {
            $data = wp_remote_get( $url );
            wp_cache_add( $cache_key, $data, 300 );
        }

        return $data;

    }

}