WP_Community_Events::get_events( string $location_search = '', string $timezone = '' )

Source

File: wp-admin/includes/class-wp-community-events.php

public function get_events( $location_search = '', $timezone = '' ) {
		$cached_events = $this->get_cached_events();

		if ( ! $location_search && $cached_events ) {
			return $cached_events;
		}

		// Include an unmodified $wp_version.
		require ABSPATH . WPINC . '/version.php';

		$api_url                    = 'http://api.wordpress.org/events/1.0/';
		$request_args               = $this->get_request_args( $location_search, $timezone );
		$request_args['user-agent'] = 'WordPress/' . $wp_version . '; ' . home_url( '/' );

		if ( wp_http_supports( array( 'ssl' ) ) ) {
			$api_url = set_url_scheme( $api_url, 'https' );
		}

		$response       = wp_remote_get( $api_url, $request_args );
		$response_code  = wp_remote_retrieve_response_code( $response );
		$response_body  = json_decode( wp_remote_retrieve_body( $response ), true );
		$response_error = null;

		if ( is_wp_error( $response ) ) {
			$response_error = $response;
		} elseif ( 200 !== $response_code ) {
			$response_error = new WP_Error(
				'api-error',
				/* translators: %d: Numeric HTTP status code, e.g. 400, 403, 500, 504, etc. */
				sprintf( __( 'Invalid API response code (%d).' ), $response_code )
			);
		} elseif ( ! isset( $response_body['location'], $response_body['events'] ) ) {
			$response_error = new WP_Error(
				'api-invalid-response',
				isset( $response_body['error'] ) ? $response_body['error'] : __( 'Unknown API error.' )
			);
		}

		if ( is_wp_error( $response_error ) ) {
			return $response_error;
		} else {
			$expiration = false;

			if ( isset( $response_body['ttl'] ) ) {
				$expiration = $response_body['ttl'];
				unset( $response_body['ttl'] );
			}

			/*
			 * The IP in the response is usually the same as the one that was sent
			 * in the request, but in some cases it is different. In those cases,
			 * it's important to reset it back to the IP from the request.
			 *
			 * For example, if the IP sent in the request is private (e.g., 192.168.1.100),
			 * then the API will ignore that and use the corresponding public IP instead,
			 * and the public IP will get returned. If the public IP were saved, though,
			 * then get_cached_events() would always return `false`, because the transient
			 * would be generated based on the public IP when saving the cache, but generated
			 * based on the private IP when retrieving the cache.
			 */
			if ( ! empty( $response_body['location']['ip'] ) ) {
				$response_body['location']['ip'] = $request_args['body']['ip'];
			}

			/*
			 * The API doesn't return a description for latitude/longitude requests,
			 * but the description is already saved in the user location, so that
			 * one can be used instead.
			 */
			if ( $this->coordinates_match( $request_args['body'], $response_body['location'] ) && empty( $response_body['location']['description'] ) ) {
				$response_body['location']['description'] = $this->user_location['description'];
			}

			/*
			 * Store the raw response, because events will expire before the cache does.
			 * The response will need to be processed every page load.
			 */
			$this->cache_events( $response_body, $expiration );

			$response_body['events'] = $this->trim_events( $response_body['events'] );

			return $response_body;
		}
	}