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<?php |
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namespace Clubdeuce\WPGoogleMaps; |
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/** |
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* Class Geocoder |
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* @package Clubdeuce\WPGoogleMaps |
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*/ |
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class Geocoder { |
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/** |
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* @var string |
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*/ |
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protected $_api_key; |
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/** |
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* KSA_Geocoder constructor. |
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* |
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* @param array $args |
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*/ |
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function __construct( $args = array() ) { |
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$args = wp_parse_args( $args, array( |
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'api_key' => Google_Maps::api_key(), |
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) ); |
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$this->_api_key = $args['api_key']; |
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} |
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/** |
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* @return string |
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*/ |
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function api_key() { |
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return $this->_api_key; |
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} |
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/** |
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* @param string $address |
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* @return Location|\WP_Error |
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*/ |
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function geocode( $address ) { |
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$location = new \WP_Error(100, 'No results found', array( 'address' => $address ) ); |
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$url = $this->_make_url( $address ); |
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$response = $this->_make_request( $url ); |
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if ( ! is_wp_error( $response ) && count( $response['results'] ) > 0 ) { |
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$location = $this->_make_location( $response['results'][0] ); |
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} |
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return $location; |
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} |
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/** |
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* @param string $address |
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* @return string |
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*/ |
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private function _make_url( $address ) { |
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return sprintf( |
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'https://maps.googleapis.com/maps/api/geocode/json?address=%1$s&key=%2$s', |
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urlencode( filter_var( $address, FILTER_SANITIZE_STRING ) ), |
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self::api_key() |
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); |
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} |
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/** |
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* Convert the response body into an a Location object |
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* |
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* @param array $results |
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* @return Location |
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*/ |
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private function _make_location( $results ) { |
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$response = new Location( array( |
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'address' => $results['formatted_address'], |
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'formatted_address' => $results['formatted_address'], |
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'state' => self::_get_state_from_results( $results ), |
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'zip_code' => self::_get_zip_from_results( $results ), |
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'latitude' => $results['geometry']['location']['lat'], |
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'longitude' => $results['geometry']['location']['lng'], |
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'place_id' => $results['place_id'], |
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'types' => $results['types'], |
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'viewport' => $results['geometry']['viewport'], |
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) ); |
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return $response; |
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} |
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/** |
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* @param array $results |
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* @return string |
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*/ |
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private function _get_state_from_results( $results ) { |
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return self::_get_value_from_results( 'administrative_area_level_1', $results ); |
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} |
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/** |
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* @param array $results |
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* @return string |
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*/ |
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private function _get_zip_from_results( $results ) { |
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return self::_get_value_from_results( 'postal_code', $results ); |
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} |
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/** |
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* @param string $value |
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* @param array $results |
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* @return string |
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*/ |
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private function _get_value_from_results( $value, $results ) { |
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$result_value = ''; |
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if ( isset( $results['address_components'] ) ) { |
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foreach ( $results['address_components'] as $component ) { |
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if ( $component['types'][0] === $value ) { |
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$result_value = $component['short_name']; |
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break; |
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} |
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} |
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} |
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return $result_value; |
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} |
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/** |
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* @param string $url |
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* @return array|\WP_Error |
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*/ |
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private function _make_request( $url ) { |
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$return = new \WP_Error( 1, 'Invalid URL', $url ); |
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if ( wp_http_validate_url( $url ) ) { |
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$request = $this->_get_data( $url ); |
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$return = new \WP_Error( $request['response']['code'], $request['response']['message'] ); |
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if ( 200 == $request['response']['code'] ) { |
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$return = json_decode( $request['body'], true ); |
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} |
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} |
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return $return; |
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} |
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/** |
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* @param $url |
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* @return array|\WP_Error |
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*/ |
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private function _get_data( $url ) { |
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$cache_key = md5( serialize( $url ) ); |
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if ( ! $data = wp_cache_get( $cache_key ) ) { |
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$data = wp_remote_get( $url ); |
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wp_cache_add( $cache_key, $data, 300 ); |
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} |
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return $data; |
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} |
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} |
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clubdeuce /
wp-google-maps
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