first commit
This commit is contained in:
Roman Pyrih
@@ -0,0 +1,221 @@
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<?php
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/**
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* iCal Feed Generator (export)
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*
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* Generates .ics feed per yacht for subscription by Google Calendar or other apps.
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*
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* @package YachtBooking
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*/
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namespace YachtBooking\Integrations\ICal;
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use YachtBooking\Booking;
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use YachtBooking\Yacht;
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// Exit if accessed directly.
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* ICal Feed class
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*/
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class ICal_Feed {
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/**
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* Register rewrite rules and query vars
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*/
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public static function register() {
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add_action( 'init', array( __CLASS__, 'add_rewrite_rules' ) );
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add_filter( 'query_vars', array( __CLASS__, 'add_query_vars' ) );
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add_action( 'template_redirect', array( __CLASS__, 'handle_feed_request' ) );
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}
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/**
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* Add rewrite rule for ical feed
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*/
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public static function add_rewrite_rules() {
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add_rewrite_rule(
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'^yacht-ical/([0-9]+)/([a-zA-Z0-9]+)\.ics$',
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'index.php?yacht_ical_id=$matches[1]&yacht_ical_token=$matches[2]',
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'top'
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);
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// Flush rewrite rules if our rule is not registered yet.
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$rules = get_option( 'rewrite_rules' );
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if ( is_array( $rules ) && ! isset( $rules['^yacht-ical/([0-9]+)/([a-zA-Z0-9]+)\.ics$'] ) ) {
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flush_rewrite_rules( false );
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}
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}
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/**
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* Add query vars
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*
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* @param array $vars Query vars.
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* @return array
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*/
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public static function add_query_vars( $vars ) {
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$vars[] = 'yacht_ical_id';
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$vars[] = 'yacht_ical_token';
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return $vars;
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}
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/**
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* Handle feed request
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*/
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public static function handle_feed_request() {
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$yacht_id = (int) get_query_var( 'yacht_ical_id', 0 );
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$token = get_query_var( 'yacht_ical_token', '' );
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if ( ! $yacht_id || ! $token ) {
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return;
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}
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$yacht = get_post( $yacht_id );
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if ( ! $yacht || 'yacht' !== $yacht->post_type ) {
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status_header( 404 );
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exit;
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}
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$stored_token = self::get_feed_token( $yacht_id );
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if ( ! $stored_token || ! hash_equals( $stored_token, $token ) ) {
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status_header( 403 );
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exit;
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}
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self::output_ics( $yacht );
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}
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/**
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* Get or create feed token for a yacht
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*
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* @param int $yacht_id Yacht ID.
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* @return string
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*/
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public static function get_feed_token( $yacht_id ) {
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$token = get_post_meta( $yacht_id, '_yacht_ical_token', true );
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if ( empty( $token ) ) {
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$token = wp_generate_password( 24, false );
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update_post_meta( $yacht_id, '_yacht_ical_token', $token );
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}
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return $token;
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}
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/**
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* Regenerate feed token
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*
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* @param int $yacht_id Yacht ID.
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* @return string
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*/
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public static function regenerate_token( $yacht_id ) {
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$token = wp_generate_password( 24, false );
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update_post_meta( $yacht_id, '_yacht_ical_token', $token );
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return $token;
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}
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/**
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* Get feed URL for a yacht
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*
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* @param int $yacht_id Yacht ID.
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* @return string
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*/
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public static function get_feed_url( $yacht_id ) {
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$token = self::get_feed_token( $yacht_id );
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return home_url( sprintf( '/yacht-ical/%d/%s.ics', $yacht_id, $token ) );
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}
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/**
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* Output .ics file
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*
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* @param \WP_Post $yacht Yacht post.
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*/
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private static function output_ics( $yacht ) {
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$bookings = get_posts(
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array(
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'post_type' => 'yacht_booking',
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'posts_per_page' => -1,
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'post_status' => 'publish',
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'meta_query' => array(
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'relation' => 'AND',
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array(
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'key' => '_booking_yacht_id',
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'value' => $yacht->ID,
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),
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array(
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'key' => '_booking_status',
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'value' => 'cancelled',
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'compare' => '!=',
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),
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),
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)
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);
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$site_name = get_bloginfo( 'name' );
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$domain = wp_parse_url( home_url(), PHP_URL_HOST );
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header( 'Content-Type: text/calendar; charset=utf-8' );
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header( 'Content-Disposition: inline; filename="' . sanitize_file_name( $yacht->post_title ) . '.ics"' );
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header( 'Cache-Control: no-cache, must-revalidate' );
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$lines = array();
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$lines[] = 'BEGIN:VCALENDAR';
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$lines[] = 'VERSION:2.0';
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$lines[] = 'PRODID:-//YachtBooking//NONSGML v1.0//PL';
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$lines[] = 'CALSCALE:GREGORIAN';
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$lines[] = 'METHOD:PUBLISH';
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$lines[] = 'X-WR-CALNAME:' . self::escape_ical( $yacht->post_title . ' - ' . $site_name );
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$lines[] = 'X-WR-TIMEZONE:Europe/Warsaw';
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foreach ( $bookings as $booking ) {
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$start = Booking::get_start_date( $booking->ID );
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$end = Booking::get_end_date( $booking->ID );
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$status = Booking::get_status( $booking->ID );
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$name = Booking::get_customer_name( $booking->ID );
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if ( ! $start || ! $end ) {
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continue;
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}
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// iCal DTEND for all-day events is exclusive
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$end_exclusive = gmdate( 'Ymd', strtotime( $end . ' +1 day' ) );
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$created = get_the_date( 'Ymd\THis\Z', $booking );
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$summary = sprintf( '%s - %s', $yacht->post_title, $name );
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if ( 'pending' === $status ) {
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$summary = '[' . __( 'Oczekująca', 'yacht-booking' ) . '] ' . $summary;
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}
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$lines[] = 'BEGIN:VEVENT';
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$lines[] = 'UID:booking-' . $booking->ID . '@' . $domain;
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$lines[] = 'DTSTART;VALUE=DATE:' . gmdate( 'Ymd', strtotime( $start ) );
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$lines[] = 'DTEND;VALUE=DATE:' . $end_exclusive;
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$lines[] = 'DTSTAMP:' . gmdate( 'Ymd\THis\Z' );
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$lines[] = 'CREATED:' . $created;
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$lines[] = 'SUMMARY:' . self::escape_ical( $summary );
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$lines[] = 'STATUS:CONFIRMED';
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$lines[] = 'TRANSP:OPAQUE';
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$lines[] = 'END:VEVENT';
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}
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$lines[] = 'END:VCALENDAR';
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echo implode( "\r\n", $lines ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- iCal format
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exit;
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}
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/**
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* Escape iCal text value
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*
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* @param string $text Text.
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* @return string
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*/
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private static function escape_ical( $text ) {
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$text = str_replace( '\\', '\\\\', $text );
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$text = str_replace( ',', '\\,', $text );
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$text = str_replace( ';', '\\;', $text );
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$text = str_replace( "\n", '\\n', $text );
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return $text;
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}
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}
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@@ -0,0 +1,392 @@
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<?php
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/**
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* iCal Import (subscribe to external .ics URL)
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*
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* Fetches .ics from external URL (e.g. Google Calendar public iCal link)
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* and blocks dates in yacht availability.
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*
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* @package YachtBooking
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*/
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namespace YachtBooking\Integrations\ICal;
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use YachtBooking\Availability;
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use YachtBooking\Yacht;
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// Exit if accessed directly.
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* ICal Import class
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*/
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class ICal_Import {
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/**
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* Booking source identifier for iCal imports.
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*/
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const IMPORT_SOURCE = 'ical_import';
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/**
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* Register cron actions
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*/
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public static function register() {
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add_action( 'yacht_booking_ical_import', array( __CLASS__, 'run_import' ) );
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}
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/**
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* Setup cron schedule
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*/
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public static function setup_cron() {
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if ( ! wp_next_scheduled( 'yacht_booking_ical_import' ) ) {
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wp_schedule_event( time(), 'hourly', 'yacht_booking_ical_import' );
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}
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}
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/**
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* Clear cron
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*/
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public static function clear_cron() {
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wp_clear_scheduled_hook( 'yacht_booking_ical_import' );
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}
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/**
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* Run import for all yachts that have an iCal URL configured.
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*/
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public static function run_import() {
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$yachts = get_posts(
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array(
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'post_type' => 'yacht',
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'posts_per_page' => -1,
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'fields' => 'ids',
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)
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);
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foreach ( $yachts as $yacht_id ) {
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$url = self::get_import_url( $yacht_id );
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if ( $url ) {
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self::import_for_yacht( $yacht_id, $url );
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}
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}
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}
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/**
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* Get iCal import URL for a yacht.
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*
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* @param int $yacht_id Yacht ID.
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* @return string
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*/
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public static function get_import_url( $yacht_id ) {
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return get_post_meta( $yacht_id, '_yacht_ical_import_url', true );
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}
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/**
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* Set iCal import URL for a yacht.
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*
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* @param int $yacht_id Yacht ID.
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* @param string $url iCal URL.
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*/
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public static function set_import_url( $yacht_id, $url ) {
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update_post_meta( $yacht_id, '_yacht_ical_import_url', esc_url_raw( $url ) );
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}
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/**
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* Import events from iCal URL for a specific yacht.
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*
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* @param int $yacht_id Yacht ID.
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* @param string $url iCal URL.
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* @return bool
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*/
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public static function import_for_yacht( $yacht_id, $url ) {
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$response = wp_remote_get(
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$url,
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array(
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'timeout' => 30,
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'sslverify' => true,
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)
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);
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if ( is_wp_error( $response ) ) {
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self::log( sprintf( 'iCal fetch failed for yacht #%d: %s', $yacht_id, $response->get_error_message() ), 'error' );
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return false;
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}
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$body = wp_remote_retrieve_body( $response );
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if ( empty( $body ) ) {
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self::log( sprintf( 'iCal empty response for yacht #%d', $yacht_id ), 'error' );
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return false;
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}
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$events = self::parse_ics( $body );
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$existing_map = self::get_existing_import_map( $yacht_id );
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$seen_uids = array();
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foreach ( $events as $event ) {
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if ( empty( $event['uid'] ) || empty( $event['start'] ) || empty( $event['end'] ) ) {
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continue;
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}
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// Skip past events
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if ( strtotime( $event['end'] ) < time() ) {
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continue;
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}
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$seen_uids[] = $event['uid'];
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$booking_id = isset( $existing_map[ $event['uid'] ] ) ? (int) $existing_map[ $event['uid'] ] : 0;
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$booking_id = self::upsert_booking( $yacht_id, $event, $booking_id );
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if ( ! $booking_id ) {
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self::log( sprintf( 'Failed to upsert iCal event %s for yacht #%d', $event['uid'], $yacht_id ), 'error' );
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}
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}
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// Remove stale imports (events deleted from external calendar)
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foreach ( $existing_map as $uid => $booking_id ) {
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if ( ! in_array( $uid, $seen_uids, true ) ) {
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Availability::clear_booking_availability( $booking_id );
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wp_delete_post( $booking_id, true );
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}
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}
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update_post_meta( $yacht_id, '_yacht_ical_last_import', current_time( 'mysql' ) );
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return true;
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}
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/**
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* Parse .ics content into array of events.
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*
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* @param string $ics_content Raw .ics content.
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* @return array
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*/
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private static function parse_ics( $ics_content ) {
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$events = array();
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$lines = preg_split( '/\r\n|\r|\n/', $ics_content );
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$in_event = false;
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$event = array();
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// Unfold lines (RFC 5545: lines starting with space/tab are continuations)
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$unfolded = array();
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foreach ( $lines as $line ) {
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if ( strlen( $line ) > 0 && ( ' ' === $line[0] || "\t" === $line[0] ) && count( $unfolded ) > 0 ) {
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$unfolded[ count( $unfolded ) - 1 ] .= substr( $line, 1 );
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} else {
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$unfolded[] = $line;
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}
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}
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foreach ( $unfolded as $line ) {
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$line = trim( $line );
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if ( 'BEGIN:VEVENT' === $line ) {
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$in_event = true;
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$event = array(
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'uid' => '',
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'summary' => '',
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'start' => '',
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'end' => '',
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);
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continue;
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}
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if ( 'END:VEVENT' === $line ) {
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$in_event = false;
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if ( ! empty( $event['uid'] ) ) {
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$events[] = $event;
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}
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continue;
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}
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if ( ! $in_event ) {
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continue;
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}
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// Parse property
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if ( self::line_starts_with( $line, 'UID:' ) ) {
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$event['uid'] = self::extract_value( $line );
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} elseif ( self::line_starts_with( $line, 'SUMMARY' ) ) {
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$event['summary'] = self::unescape_ical( self::extract_value( $line ) );
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} elseif ( self::line_starts_with( $line, 'DTSTART' ) ) {
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$event['start'] = self::parse_ical_date( $line );
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} elseif ( self::line_starts_with( $line, 'DTEND' ) ) {
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$event['end'] = self::parse_ical_date( $line );
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}
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}
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return $events;
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}
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||||
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||||
/**
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||||
* Check if line starts with prefix (case-insensitive for property name).
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||||
*
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* @param string $line Line.
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||||
* @param string $prefix Prefix.
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||||
* @return bool
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||||
*/
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private static function line_starts_with( $line, $prefix ) {
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return 0 === strncasecmp( $line, $prefix, strlen( $prefix ) );
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}
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||||
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||||
/**
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||||
* Extract value from iCal line (handles parameters like DTSTART;VALUE=DATE:20260315).
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*
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* @param string $line Line.
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||||
* @return string
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||||
*/
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||||
private static function extract_value( $line ) {
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||||
$pos = strpos( $line, ':' );
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return false !== $pos ? substr( $line, $pos + 1 ) : '';
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||||
}
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||||
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||||
/**
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||||
* Parse iCal date to Y-m-d format.
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*
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* @param string $line Full iCal line.
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||||
* @return string
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||||
*/
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||||
private static function parse_ical_date( $line ) {
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$value = self::extract_value( $line );
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$value = trim( $value );
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||||
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||||
// All-day: 20260315
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||||
if ( preg_match( '/^(\d{4})(\d{2})(\d{2})$/', $value, $m ) ) {
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return $m[1] . '-' . $m[2] . '-' . $m[3];
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||||
}
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||||
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||||
// DateTime: 20260315T100000Z or 20260315T100000
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if ( preg_match( '/^(\d{4})(\d{2})(\d{2})T/', $value ) ) {
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||||
$ts = strtotime( $value );
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||||
return false !== $ts ? gmdate( 'Y-m-d', $ts ) : '';
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||||
}
|
||||
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||||
return '';
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||||
}
|
||||
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||||
/**
|
||||
* Unescape iCal text.
|
||||
*
|
||||
* @param string $text Text.
|
||||
* @return string
|
||||
*/
|
||||
private static function unescape_ical( $text ) {
|
||||
$text = str_replace( '\\n', "\n", $text );
|
||||
$text = str_replace( '\\,', ',', $text );
|
||||
$text = str_replace( '\\;', ';', $text );
|
||||
$text = str_replace( '\\\\', '\\', $text );
|
||||
return $text;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get existing imported bookings map: uid => booking_id.
|
||||
*
|
||||
* @param int $yacht_id Yacht ID.
|
||||
* @return array
|
||||
*/
|
||||
private static function get_existing_import_map( $yacht_id ) {
|
||||
$bookings = get_posts(
|
||||
array(
|
||||
'post_type' => 'yacht_booking',
|
||||
'post_status' => 'publish',
|
||||
'posts_per_page' => -1,
|
||||
'fields' => 'ids',
|
||||
'meta_query' => array(
|
||||
'relation' => 'AND',
|
||||
array(
|
||||
'key' => '_booking_source',
|
||||
'value' => self::IMPORT_SOURCE,
|
||||
),
|
||||
array(
|
||||
'key' => '_booking_yacht_id',
|
||||
'value' => (int) $yacht_id,
|
||||
),
|
||||
),
|
||||
)
|
||||
);
|
||||
|
||||
$map = array();
|
||||
foreach ( $bookings as $booking_id ) {
|
||||
$uid = get_post_meta( $booking_id, '_ical_event_uid', true );
|
||||
if ( $uid ) {
|
||||
$map[ $uid ] = (int) $booking_id;
|
||||
}
|
||||
}
|
||||
|
||||
return $map;
|
||||
}
|
||||
|
||||
/**
|
||||
* Create or update imported booking placeholder.
|
||||
*
|
||||
* @param int $yacht_id Yacht ID.
|
||||
* @param array $event Parsed event data.
|
||||
* @param int $existing_id Existing booking ID (0 for new).
|
||||
* @return int|false
|
||||
*/
|
||||
private static function upsert_booking( $yacht_id, $event, $existing_id = 0 ) {
|
||||
$summary = ! empty( $event['summary'] ) ? sanitize_text_field( $event['summary'] ) : __( 'Blokada iCal', 'yacht-booking' );
|
||||
$start_date = $event['start'];
|
||||
$end_date = $event['end'];
|
||||
|
||||
$post_data = array(
|
||||
'post_type' => 'yacht_booking',
|
||||
'post_status' => 'publish',
|
||||
'post_title' => sprintf(
|
||||
/* translators: %s: event summary */
|
||||
__( 'Import iCal: %s', 'yacht-booking' ),
|
||||
$summary
|
||||
),
|
||||
);
|
||||
|
||||
if ( $existing_id > 0 ) {
|
||||
$post_data['ID'] = $existing_id;
|
||||
$booking_id = wp_update_post( $post_data, true );
|
||||
} else {
|
||||
$booking_id = wp_insert_post( $post_data, true );
|
||||
}
|
||||
|
||||
if ( is_wp_error( $booking_id ) || ! $booking_id ) {
|
||||
return false;
|
||||
}
|
||||
|
||||
update_post_meta( $booking_id, '_booking_yacht_id', (int) $yacht_id );
|
||||
update_post_meta( $booking_id, '_booking_start_date', $start_date );
|
||||
update_post_meta( $booking_id, '_booking_end_date', $end_date );
|
||||
update_post_meta( $booking_id, '_booking_status', 'confirmed' );
|
||||
update_post_meta( $booking_id, '_booking_customer_name', __( 'Import iCal', 'yacht-booking' ) );
|
||||
update_post_meta( $booking_id, '_booking_customer_email', '' );
|
||||
update_post_meta( $booking_id, '_booking_customer_phone', '' );
|
||||
update_post_meta( $booking_id, '_booking_total_price', 0 );
|
||||
update_post_meta( $booking_id, '_booking_source', self::IMPORT_SOURCE );
|
||||
update_post_meta( $booking_id, '_ical_event_uid', $event['uid'] );
|
||||
update_post_meta( $booking_id, '_booking_notes', $summary );
|
||||
|
||||
Availability::clear_booking_availability( $booking_id );
|
||||
Availability::mark_as_booked( $yacht_id, $start_date, $end_date, $booking_id );
|
||||
|
||||
return (int) $booking_id;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get last import time for yacht.
|
||||
*
|
||||
* @param int $yacht_id Yacht ID.
|
||||
* @return string
|
||||
*/
|
||||
public static function get_last_import_time( $yacht_id ) {
|
||||
return get_post_meta( $yacht_id, '_yacht_ical_last_import', true );
|
||||
}
|
||||
|
||||
/**
|
||||
* Log message.
|
||||
*
|
||||
* @param string $message Message.
|
||||
* @param string $type Type (info|error).
|
||||
*/
|
||||
private static function log( $message, $type = 'info' ) {
|
||||
if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
|
||||
$prefix = 'error' === $type ? 'ERROR' : 'INFO';
|
||||
error_log( sprintf( '[Yacht Booking - iCal] [%s] %s', $prefix, $message ) );
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user