forked from lino/radar-wp
74 lines
2.3 KiB
PHP
74 lines
2.3 KiB
PHP
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<?php
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class Squat_Radar_Connector {
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const BASE_URL = 'https://radar.squat.net';
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const API_EVENTS = '/api/1.2/search/events.json';
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function get_events( $query ) {
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$url = self::BASE_URL . self::API_EVENTS . '?' . build_query( $query );
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$response = wp_remote_get( $url );
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if ( is_wp_error( $response ) ) {
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throw new Squat_Radar_Connector_Exception( $response->get_error_message() );
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}
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$code = wp_remote_retrieve_response_code( $response );
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if ( $code != 200) {
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throw new Squat_Radar_Connector_Exception( wp_remote_retrieve_body( $response ), $code );
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}
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return json_decode( wp_remote_retrieve_body( $response ), true);
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}
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function decode_search_url( $url ) {
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$matches = [];
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$result = [];
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// Urldecode not required here because of the regex match.
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// Radar paramaters here are transcoded so will match.
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if (preg_match('|//radar.squat.net/([a-z]{2})/events/([a-zA-Z0-9/]*)|', $url, $matches)) {
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$result['language'] = $matches[1];
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foreach (array_chunk(explode('/', $matches[2]), 2) as $key_value_pair) {
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$result['facets'][$key_value_pair[0]] = $key_value_pair[1];
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}
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}
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return $result;
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}
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function encode_api_query( $facets = [], $fields = [], $language = '', $limit = 10 ) {
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$query = [];
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// Urlencode should do nothing here @see comment in decode_search_url.
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// If someone has snuck something in it will however help.
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foreach ( $facets as $key => $value ) {
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$query[] = ['facets[' . urlencode($key) . '][]' => urlencode($value)];
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}
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if ( ! empty($fields) ) {
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$query['fields'] = urlencode(implode(',', $fields));
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}
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if ( ! empty($language) ) {
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$query['language'] = urlencode($language);
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}
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if ( ! empty($limit) ) {
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$query['limit'] = urlencode($limit);
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}
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return $query;
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}
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function events( $facets, $fields = [], $language = NULL, $limit = 10, $expiration = 10800, $reset = FALSE ) {
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$transient_key = 'squat_radar_events_' . sha1(implode($facets) . implode($fields) . $language . $limit);
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if (! $reset && $data = get_transient( $transient_key )) {
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return $data;
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}
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$query = $this->encode_api_query( $facets, $fields, $language, $limit );
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$events = $this->get_events($query);
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set_transient( $transient_key, $events, $expiration );
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return $events;
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}
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}
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class Squat_Radar_Connector_Exception extends Exception { }
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