calendar.php

<?php
namespace Tahoearthauscinema\Theater\Calendar;

// Change days header.
function change_days_header( $html ) {
	
	global $wp_locale;
	
	$start_of_week = get_option( 'start_of_week' );
	
	$html_dom = new \DOMDocument();
	$html_dom->loadHtml( $html );

	$theads = $html_dom->getElementsByTagName( 'thead' );
	
	foreach( $theads as $thead ) {
		
		$row = $thead->getElementsByTagName( 'tr' )[ 0 ];
		while ( $row->hasChildNodes() ) {
			$row->removeChild( $row->firstChild );
		}
		
		for( $i=0; $i < 7; $i++) {
			
			$day_timestamp = strtotime( sprintf( 'next Sunday + %d days', $start_of_week + $i ) );
			
			$day = $html_dom->createElement( 
				'th', 
				date_i18n( 'l', $day_timestamp )	
			);
			
			$row->appendChild( 	$day );
		}

	}

	$html = $html_dom->saveHtml();
	
	return $html;
	
}
add_filter( 'wpt_calendar_html', __NAMESPACE__.'\change_days_header' );

// Remove day links.
function remove_day_links( $day_link, $day, $day_url, $day_label, $events ) {
	ob_start();
	
	?><div class="day_label"><?php echo $day_label; ?></div><?php
		
	return ob_get_clean();
}
add_filter( 'wpt_calendar_html_day_link', __NAMESPACE__.'\remove_day_links', 10, 5 );

// Add movie titles.
function add_movie_titles( $day_link, $day, $day_url, $day_label, $events ) {

	if ( empty( $events ) ) {
		return $day_link;
	}
	ob_start();
	
	?><div class="day_events"><?php 
		foreach( $events as $event ) {
			?><div class="day_event"><?php
				echo $event->starttime_html(); 
				echo $event->title( array( 'html' => true ) ); 
				
				?><div class="more_info"><a href="<?php echo $event->permalink(); ?>">More info</a></div><?php
					
				echo $event->tickets_html();
			?></div><?php
		}
	return $day_link.ob_get_clean();
}
add_filter( 'wpt_calendar_html_day_link', __NAMESPACE__.'\add_movie_titles', 11, 5 );

/**
 * Output a celandar with support for past events.
 * 
 * @since	4.0
 * @return	string
 */
function get_calendar_html( ) {
	global $wp_theatre;
	
	$args = array(
		'start' => '-10 years',
	);
	return $wp_theatre->calendar->html( $args );

}
add_shortcode( 'Tahoearthauscinema_Calendar', __NAMESPACE__.'\get_calendar_html' );

function set_active_month( $html, $month ) {
	
	$current_month = \wp_date( 'Y-m' );
	
	if ( $month == $current_month ) {
		$html = str_replace( '"wpt_month"', '"wpt_month active"', $html );
	} else {
		$html = str_replace( '"wpt_month active"', '"wpt_month"', $html );		
	}	
	
	return $html;
	
}
add_filter( 'wpt_calendar_html_month', __NAMESPACE__.'\set_active_month', 10, 2 );

/**
 * Shows past events in the calendar.
 *
 * Changes the HTML of a day in the calendar, because by default the calendar only shows upcoming events.
 * 
 * @since	4.0
 * @return	string
 */
function show_past_movies( $html, $day, $events ) {
	
	if ( !empty( $events ) ) {
		return $html;
	}
	
	// Bail if current day is not in the active month.
	if ( strpos( $html, '"trailing"' ) !== false ) {
		return $html;
	}
	
	if ( date( 'Ymd', strtotime( $day ) ) < \wp_date( 'Ymd' ) )  {
		
		$past_events = get_past_events_per_day();

		if ( !empty( $past_events[ $day ] ) ) {
			ob_start();
			
			?><td><?php
				echo remove_day_links( '', '', '', substr( $day, 8, 2), false );
				echo add_movie_titles( '', '', '', '', $past_events[ $day ] );
			?></td><?php
			$html = ob_get_clean();
			
		}
		
	}
	
	return $html;
	
}
add_filter( 'wpt_calendar_html_day', __NAMESPACE__.'\show_past_movies', 10, 3 );

/**
 * Gets all past events, grouped by day.
 * 
 * @since	4.0
 * @return	array
 */
function get_past_events_per_day() {

	$past_events_per_day = wp_cache_get( 'past_events_per_day' );

	if ( false === $past_events_per_day ) {

		global $wp_theatre;
		
		$args = array(
			'groupby' => 'day',
			'end' => 'now',
		);
		
		$past_events = $wp_theatre->events->get( $args )	;
		
		$past_events_per_day = array();
		
		foreach ( $past_events as $past_event ) {
			
			$day = \wp_date( 'Y-m-d', $past_event->datetime() );
			
			if ( empty( $past_events_per_day[ $day ] ) ) {
				$past_events_per_day[ $day ] = array();
			}
			
			$past_events_per_day[ $day ][] = $past_event;
		}
		
		wp_cache_set( 'past_events_per_day', $past_events_per_day );

	}

	return $past_events_per_day;
	
}

excerpt.php

<?php
namespace Tahoearthauscinema\Theater\Excerpt;

/*
 * Only show custom excerpts, no auto generated excerpt.
 *
 * since	3.0
 * @param   string          $excerpt    The current excerpt.
 * @param   WPT_Production  $production The production.
 * @return  string                      The updated excerpt.
 */
function block_auto_excerpts($excerpt, $production) {
  if ( empty( $production->post()->post_excerpt ) ) {
	  $excerpt = '';
  }
  return $excerpt;
}
add_filter('wpt_production_excerpt', __NAMESPACE__.'\block_auto_excerpts', 10, 2);

tahoearthauscinema-theater.php

<?php
/*
Plugin Name: Tahoe City Art House and Cinema - Theater customizations
Version: 6.0
Description: Custom functionality for use with the Theater for WordPress plugin
Author: Jeroen Schmit
Author URI: https://slimndap.com
Plugin URI: https://gist.github.com/slimndap/c08d85216621420137f5d551c35cf701
*/

namespace Tahoearthauscinema\Theater;

include_once( 'calendar.php' );
include_once( 'excerpt.php' );
include_once( 'venue.php' );

venue.php

<?php
namespace Tahoearthauscinema\Theater\Venue;

/**
 * Adds venue and city filters to the default options for event listings.
 * 
 * @param	array 	$defaults	The current defaults.
 * @return 	array				The defaults with venue and city added.
 */
function add_venue_filter_to_events($defaults) {
	$defaults['venue'] = false;
	return $defaults;
}
add_filter( 'wpt/frontend/shortcode/events/defaults', __NAMESPACE__.'\add_venue_filter_to_events', 10 );
add_filter( 'wpt/events/get/defaults', __NAMESPACE__.'\add_venue_filter_to_events', 10 );
		
/**
 * Adds venue and city meta_queries to event query args.
 * 
 * @param	array 	$args		The current event query args.
 * @param	array 	$filters	The filters for this listing.
 * @return 	array				The new event query args.
 */
function add_venue_filter_events_query($args, $filters) {
	if ( $filters['venue'] ) {
		$args['meta_query'][] = array(
			'key' => 'venue',
			'value' => $filters[ 'venue' ],
		);
	} 
	return $args;
}		
add_filter( 'wpt/events/get/args', __NAMESPACE__.'\add_venue_filter_events_query', 10, 2 );

function add_venue_shortcode_atts( $out, $pairs, $atts, $shortcode ) {
	
	if ( empty( $atts[ 'venue' ] ) ) {
		return $out;
	}
	
	global $wp_theatre;
	
	$events_args = array(
		'venue' => $atts[ 'venue' ],
	);
	
	$events = $wp_theatre->events->get( $events_args );
	
	$post__in = array();
	
	if ( empty( $events ) ) {
		$post__in = array( -1 );
	} else {
		foreach( $events as $event ) {
			if ( $production = $event->get_production() ) {
				$post__in[] = $event->get_production()->ID;			
			}
		}
	}
	
	$out[ 'post__in' ] = implode( ',', $post__in );
	
	return $out;
	
}
add_filter( 'shortcode_atts_wpt_productions', __NAMESPACE__.'\add_venue_shortcode_atts', 10, 4 );