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<?php
/**
* Scheduled Functions
*
* Schedule functions to run at certain times using the WordPress "cron" functions.
*
* @package Church_Theme_Content
* @subpackage Functions
* @copyright Copyright (c) 2013 - 2017, churchthemes.com
* @link https://github.com/churchthemes/church-theme-content
* @license GPLv2 or later
* @since 0.9
*/
// No direct access
if ( ! defined( 'ABSPATH' ) ) exit;
/*************************************************
* RECURRING EVENTS
*************************************************/
/**
* Schedule weekly, monthly and yearly events
*
* Move recurring event dates forward after they end.
*
* @since 0.9
*/
function ctc_schedule_recurring_events() {
// Schedule if not already scheduled
if ( ! wp_next_scheduled( 'ctc_update_recurring_event_dates' ) ) {
wp_schedule_event( time(), 'hourly', 'ctc_update_recurring_event_dates' ); // hourly so happens as soon as possible after event ends the day before
}
}
add_action( 'wp', 'ctc_schedule_recurring_events' );
/**
* Update recurring event dates
*
* @since 0.9
*/
function ctc_update_recurring_event_dates() {
// Get all events with end date in past and have valid recurring value
$events_query = new WP_Query( array(
'post_type' => 'ctc_event',
'nopaging' => true,
'meta_query' => array(
'relation' => 'AND',
array(
'key' => '_ctc_event_end_date',
'value' => date_i18n( 'Y-m-d' ), // today localized
'compare' => '<', // earlier than today
'type' => 'DATE',
),
array(
'key' => '_ctc_event_recurrence',
'value' => array( 'weekly', 'monthly', 'yearly' ),
'compare' => 'IN',
)
)
) );
// Loop events
if ( ! empty( $events_query->posts ) ) {
// Instantiate recurrence class
$ctc_recurrence = new CT_Recurrence();
// Loop events to modify dates
foreach ( $events_query->posts as $post ) {
// Get start and end date
$start_date = get_post_meta( $post->ID, '_ctc_event_start_date', true );
$end_date = get_post_meta( $post->ID, '_ctc_event_end_date', true );
// Get recurrence
$recurrence = get_post_meta( $post->ID, '_ctc_event_recurrence', true );
$recurrence_end_date = get_post_meta( $post->ID, '_ctc_event_recurrence_end_date', true );
// Difference between start and end date in seconds
$time_difference = strtotime( $end_date ) - strtotime( $start_date );
// Get soonest occurence that is today or later
$args = array(
'start_date' => $start_date, // first day of event, YYYY-mm-dd (ie. 2015-07-20 for July 15, 2015)
'frequency' => $recurrence, // weekly, monthly, yearly
);
$args = apply_filters( 'ctc_event_recurrence_args', $args, $post ); // Custom Recurring Events add-on uses this
$new_start_date = $ctc_recurrence->calc_next_future_date( $args );
// If no new start date gotten, set it to current start date
// This could be because recurrence ended, arguments are invalid, etc.
if ( ! $new_start_date ) {
$new_start_date = $start_date;
}
// Add difference between original start/end date to new start date to get new end date
$new_end_date = date( 'Y-m-d', ( strtotime( $new_start_date ) + $time_difference ) );
// Has recurrence ended?
// Recurrence end date exists and is earlier than new start date
if ( $recurrence_end_date && strtotime( $recurrence_end_date ) < strtotime( $new_start_date ) ) {
// Unset recurrence option to keep dates from being moved forward
update_post_meta( $post->ID, '_ctc_event_recurrence', 'none' );
}
// No recurrence or recurrence end date is still future
else {
// Update start and end dates
update_post_meta( $post->ID, '_ctc_event_start_date', $new_start_date );
update_post_meta( $post->ID, '_ctc_event_end_date', $new_end_date );
// Update the hidden datetime fields for ordering
ctc_update_event_date_time( $post->ID );
}
}
}
}
add_action( 'ctc_update_recurring_event_dates', 'ctc_update_recurring_event_dates' );
// Uncomment for debugging. Recurrence will run on every page load.
//add_action( 'admin_init', 'ctc_update_recurring_event_dates' );