168 lines
4.8 KiB
PHP
168 lines
4.8 KiB
PHP
<?php
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/**
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* iCal Feed
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*
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* @author ThemeBoy
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* @category Feeds
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* @package SportsPress/Feeds
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* @version 1.8.3
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*/
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if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
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if ( 'sp_calendar' !== get_post_type( $post ) ) {
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wp_die( __( 'ERROR: This is not a valid feed template.', 'sportspress' ), '', array( 'response' => 404 ) );
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}
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// Get events in calendar
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$calendar = new SP_Calendar( $post );
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$events = $calendar->data();
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// Get blog locale
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$locale = substr( get_locale(), 0, 2 );
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// Get main result setting
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$main_result = get_option( 'sportspress_primary_result', null );
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// Get the timezone setting
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$timezone = sanitize_option( 'timezone_string', get_option( 'timezone_string' ) );
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// Initialize output. Max line length is 75 chars.
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$output =
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"BEGIN:VCALENDAR\n" .
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"VERSION:2.0\n" .
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"PRODID:-//ThemeBoy//SportsPress//" . strtoupper( $locale ) . "\n" .
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"CALSCALE:GREGORIAN\n" .
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"METHOD:PUBLISH\n" .
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"URL:" . add_query_arg( 'feed', 'sp-calendar-ical', get_post_permalink( $post ) ) . "\n" .
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"X-FROM-URL:" . add_query_arg( 'feed', 'sp-calendar-ical', get_post_permalink( $post ) ) . "\n" .
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"NAME:" . $post->post_title . "\n" .
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"X-WR-CALNAME:" . $post->post_title . "\n" .
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"DESCRIPTION:" . $post->post_title . "\n" .
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"X-WR-CALDESC:" . $post->post_title . "\n" .
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"REFRESH-INTERVAL;VALUE=DURATION:PT2M\n" .
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"X-PUBLISHED-TTL:PT2M\n" .
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"TZID:" . $timezone . "\n" .
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"X-WR-TIMEZONE:" . $timezone . "\n";
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// Loop through each event
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foreach ( $events as $event):
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// Define date format
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$date_format = 'Ymd\THis';
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// Initialize end time
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$end = new DateTime( $event->post_date );
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// Get full time minutes
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$minutes = get_post_meta( $event->ID, 'sp_minutes', true );
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if ( '' === $minutes ) $minutes = get_option( 'sportspress_event_minutes', 90 );
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// Add full time minutes to end time
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$end->add( new DateInterval( 'PT' . $minutes . 'M' ) );
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// Initialize location
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$location = '';
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// Get venue information
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$venues = get_the_terms( $event->ID, 'sp_venue' );
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if ( $venues ) {
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$venue = reset( $venues );
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$location .= $venue->name;
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// Get venue term meta
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$t_id = $venue->term_id;
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$meta = get_option( "taxonomy_$t_id" );
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// Add details to location
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$address = sp_array_value( $meta, 'sp_address', false );
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if ( false !== $address ) {
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$location = $venue->name . '\, ' . preg_replace('/([\,;])/','\\\$1', $address);
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}
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// Generate geo tag
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$latitude = sp_array_value( $meta, 'sp_latitude', false );
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$longitude = sp_array_value( $meta, 'sp_longitude', false );
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if ( false !== $latitude && false !== $longitude ) {
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$geo = $latitude . ';' . $longitude;
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} else {
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$geo = false;
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}
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}
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// Get title or write summary based on scores
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$results = array();
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$teams = (array)get_post_meta( $event->ID, 'sp_team', false );
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$teams = array_filter( $teams );
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$teams = array_unique( $teams );
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if ( ! empty( $teams ) ) {
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$event_results = get_post_meta( $event->ID, 'sp_results', true );
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foreach( $teams as $team_id ) {
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if ( ! $team_id ) continue;
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$team = get_post( $team_id );
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if ( $team ) {
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$team_results = sportspress_array_value( $event_results, $team_id, null );
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if ( $main_result ) {
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$team_result = sportspress_array_value( $team_results, $main_result, null );
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} else {
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if ( is_array( $team_results ) ) {
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end( $team_results );
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$team_result = prev( $team_results );
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} else {
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$team_result = null;
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}
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}
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if ( $team_result != null ) {
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$results[] = get_the_title( $team_id ) . ' ' . $team_result;
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}
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}
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}
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}
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if ( sizeof( $results ) ) {
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$summary = implode( ' ', $results );
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} else {
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$summary = $event->post_title;
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}
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// Append to output string
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$output .=
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"BEGIN:VEVENT\n" .
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"SUMMARY:" . preg_replace('/([\,;])/','\\\$1', $summary) . "\n" .
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"DESCRIPTION:" . preg_replace('/([\,;])/','\\\$1', $event->post_content) . "\n" .
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"UID:$event->ID\n" .
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"STATUS:CONFIRMED\n" .
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"DTSTART:" . mysql2date( $date_format, $event->post_date ) . "\n" .
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"DTEND:" . $end->format( $date_format ) . "\n" .
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"LAST-MODIFIED:" . mysql2date( $date_format, $event->post_modified_gmt ) . "\n";
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if ( $location ) {
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$output .= "LOCATION:" . $location . "\n";
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}
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if ( $geo ) {
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$output .= "GEO:" . $geo . "\n";
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}
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$output .= "END:VEVENT\n";
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endforeach;
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// End output
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$output .= "END:VCALENDAR";
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// Print headers
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header('Content-type: text/calendar; charset=utf-8');
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// The E-Tag is not being changed when the output file is generated – Some Webdav clients do not like this and
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// do not then 'see' that the file has changed – updates to the calendars are then not displayed to the user.
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// Props @garygomm https://wordpress.org/support/topic/calendar-feed-issue-not-updating-after-change/
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$etag = md5($output);
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header('Etag:' . '"'.$etag.'"');
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header('Content-Disposition: inline; filename=' . $post->post_name . '.ics');
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// Print content
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echo $output;
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