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radar-wp-custom/includes/squat-radar-connector.php

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