first commit
This commit is contained in:
Roman Pyrih
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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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* 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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* 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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* 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( $value );
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// All-day: 20260315
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if ( preg_match( '/^(\d{4})(\d{2})(\d{2})$/', $value, $m ) ) {
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return $m[1] . '-' . $m[2] . '-' . $m[3];
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}
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// 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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/**
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* Unescape iCal text.
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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 unescape_ical( $text ) {
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$text = str_replace( '\\n', "\n", $text );
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$text = str_replace( '\\,', ',', $text );
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$text = str_replace( '\\;', ';', $text );
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$text = str_replace( '\\\\', '\\', $text );
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return $text;
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}
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/**
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* Get existing imported bookings map: uid => booking_id.
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*
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* @param int $yacht_id Yacht ID.
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* @return array
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*/
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private static function get_existing_import_map( $yacht_id ) {
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$bookings = get_posts(
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array(
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'post_type' => 'yacht_booking',
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'post_status' => 'publish',
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'posts_per_page' => -1,
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'fields' => 'ids',
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'meta_query' => array(
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'relation' => 'AND',
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array(
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'key' => '_booking_source',
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'value' => self::IMPORT_SOURCE,
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),
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array(
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'key' => '_booking_yacht_id',
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'value' => (int) $yacht_id,
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),
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),
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)
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);
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$map = array();
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foreach ( $bookings as $booking_id ) {
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$uid = get_post_meta( $booking_id, '_ical_event_uid', true );
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if ( $uid ) {
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$map[ $uid ] = (int) $booking_id;
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}
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}
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return $map;
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}
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/**
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* Create or update imported booking placeholder.
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*
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* @param int $yacht_id Yacht ID.
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* @param array $event Parsed event data.
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* @param int $existing_id Existing booking ID (0 for new).
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* @return int|false
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*/
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private static function upsert_booking( $yacht_id, $event, $existing_id = 0 ) {
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$summary = ! empty( $event['summary'] ) ? sanitize_text_field( $event['summary'] ) : __( 'Blokada iCal', 'yacht-booking' );
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$start_date = $event['start'];
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$end_date = $event['end'];
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$post_data = array(
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'post_type' => 'yacht_booking',
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'post_status' => 'publish',
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'post_title' => sprintf(
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/* translators: %s: event summary */
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__( 'Import iCal: %s', 'yacht-booking' ),
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$summary
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),
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);
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if ( $existing_id > 0 ) {
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$post_data['ID'] = $existing_id;
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$booking_id = wp_update_post( $post_data, true );
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} else {
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$booking_id = wp_insert_post( $post_data, true );
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}
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if ( is_wp_error( $booking_id ) || ! $booking_id ) {
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return false;
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}
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update_post_meta( $booking_id, '_booking_yacht_id', (int) $yacht_id );
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update_post_meta( $booking_id, '_booking_start_date', $start_date );
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update_post_meta( $booking_id, '_booking_end_date', $end_date );
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update_post_meta( $booking_id, '_booking_status', 'confirmed' );
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update_post_meta( $booking_id, '_booking_customer_name', __( 'Import iCal', 'yacht-booking' ) );
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update_post_meta( $booking_id, '_booking_customer_email', '' );
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update_post_meta( $booking_id, '_booking_customer_phone', '' );
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update_post_meta( $booking_id, '_booking_total_price', 0 );
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update_post_meta( $booking_id, '_booking_source', self::IMPORT_SOURCE );
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update_post_meta( $booking_id, '_ical_event_uid', $event['uid'] );
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update_post_meta( $booking_id, '_booking_notes', $summary );
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Availability::clear_booking_availability( $booking_id );
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Availability::mark_as_booked( $yacht_id, $start_date, $end_date, $booking_id );
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return (int) $booking_id;
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}
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/**
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* Get last import time for 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_last_import_time( $yacht_id ) {
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return get_post_meta( $yacht_id, '_yacht_ical_last_import', true );
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}
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/**
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* Log message.
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*
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* @param string $message Message.
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* @param string $type Type (info|error).
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*/
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private static function log( $message, $type = 'info' ) {
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if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
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$prefix = 'error' === $type ? 'ERROR' : 'INFO';
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error_log( sprintf( '[Yacht Booking - iCal] [%s] %s', $prefix, $message ) );
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}
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}
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}
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Block a user