?AlkantarClanX12
Your IP : 216.73.217.134
<?php
/**
* Create custom DB table to hold all event occurrences. Should be fired on plugin activation only.
*/
if ( ! function_exists( 'lsvr_events_create_event_occurrences_db_table' ) ) {
function lsvr_events_create_event_occurrences_db_table() {
global $wpdb;
$charset_collate = $wpdb->get_charset_collate();
require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
// Create event occurrences table
$occurrences_table_name = esc_attr( $wpdb->prefix ) . 'lsvr_event_occurrences';
$occurrences_table_sql = "CREATE TABLE $occurrences_table_name (
postid bigint(20) NOT NULL,
start datetime NOT NULL,
end datetime NOT NULL,
allday tinyint(1) NOT NULL,
CONSTRAINT pk_event PRIMARY KEY (postid,start,end,allday)
) $charset_collate;";
dbDelta( $occurrences_table_sql );
}
}
/**
* Remove all event occurrences from DB when event post is being trashed or removed
*/
add_action( 'before_delete_post', 'lsvr_events_remove_event_occurrences', 100, 1 );
add_action( 'trashed_post', 'lsvr_events_remove_event_occurrences', 100, 1 );
if ( ! function_exists( 'lsvr_events_remove_event_occurrences' ) ) {
function lsvr_events_remove_event_occurrences( $postid ) {
if ( 'lsvr_event' === get_post_type( $postid ) ) {
global $wpdb;
$occurrences_table_name = esc_attr( $wpdb->prefix ) . 'lsvr_event_occurrences';
$wpdb->delete( $occurrences_table_name,
array( 'postid' => $postid ),
array( '%d' )
);
// Remove transients
lsvr_events_remove_transients();
}
}
}
/**
* Function which handles generating and saving to DB of event occurrences.
* Gets fired everytime an event (lsvr_event post type) is saved.
*/
add_action( 'save_post', 'lsvr_events_save_event_occurrences', 100, 2 );
if ( ! function_exists( 'lsvr_events_save_event_occurrences' ) ) {
function lsvr_events_save_event_occurrences( $post_id, $post ) {
if ( 'lsvr_event' === $post->post_type ) {
global $wpdb;
$occurrences_table_name = esc_attr( $wpdb->prefix ) . 'lsvr_event_occurrences';
// Get start and end dates in UTC
$event_start_date_utc = get_post_meta( $post->ID, 'lsvr_event_start_date_utc', true );
$event_end_date_utc = get_post_meta( $post->ID, 'lsvr_event_end_date_utc', true );
// Check if event is all-day event
$event_allday = 'true' === get_post_meta( $post->ID, 'lsvr_event_allday', true ) ? true : false;
// Get local start date and time
if ( strtotime( $event_start_date_utc ) ) {
$event_start_date = get_date_from_gmt( $event_start_date_utc, 'Y-m-d H:i:s' );
$event_start_time = get_date_from_gmt( $event_start_date_utc, 'H:i:s' );
} else {
$event_start_date = false;
$event_start_time = false;
}
// Get local end date and time
if ( strtotime( $event_end_date_utc ) ) {
$event_end_date = get_date_from_gmt( $event_end_date_utc, 'Y-m-d H:i:s' );
$event_end_time = get_date_from_gmt( $event_end_date_utc, 'H:i:s' );
}
// If end date is not defined, set it to the same date as start date
else {
$event_end_date = $event_start_date;
$event_end_time = $event_start_time;
}
// Get event recurrence
$event_repeat = get_post_meta( $post->ID, 'lsvr_event_repeat', true );
if ( ! empty( $event_repeat ) && 'false' !== $event_repeat ) {
$event_repeat_day = get_post_meta( $post->ID, 'lsvr_event_repeat_day', true );
$event_repeat_xth = get_post_meta( $post->ID, 'lsvr_event_repeat_xth', true );
} else {
$event_repeat = false;
$event_repeat_day = false;
$event_repeat_xth = false;
}
// Get maximum occurrence date
$event_repeat_until = get_post_meta( $post->ID, 'lsvr_event_repeat_until', true );
if ( ! empty( $event_repeat_until ) && strtotime( $event_repeat_until ) ) {
$event_repeat_until = date( 'Y-m-d 23:59:59', strtotime( $event_repeat_until ) );
} else {
$event_repeat_until = false;
}
// Preserve past occurrences
$event_preserve_past = true === apply_filters( 'lsvr_events_preserve_old_event_occurrences_on_save', false );
// Proceed only if the start date is defined
if ( false !== $event_start_date ) {
// Prepare array for event occurrences
$occurrences = array();
// Event has only single occurrence
if ( false === $event_repeat ) {
$occurrences[] = array(
'start' => get_gmt_from_date( $event_start_date, 'Y-m-d H:i:s' ),
'end' => get_gmt_from_date( $event_end_date, 'Y-m-d H:i:s' ),
'allday' => intval( $event_allday ),
);
}
// Event has multiple occurrences
elseif ( false !== $event_repeat && false !== $event_repeat_until ) {
// Daily recurrence
if ( 'day' === $event_repeat ) {
// Repeat on specific days
if ( ! empty( $event_repeat_day ) ) {
$recurrence_days = explode( ',', $event_repeat_day );
}
// Repeat each day
else {
$recurrence_interval = '+1 day';
}
}
// Every xth recurrence
elseif ( ! empty( $event_repeat_xth ) &&
( 'first' === $event_repeat || 'second' === $event_repeat || 'third' === $event_repeat || 'fourth' === $event_repeat || 'last' === $event_repeat ) ) {
$recurrence_interval_xth = $event_repeat . ' ' . $event_repeat_xth;
}
// Every weekday recurrence
elseif ( 'weekday' === $event_repeat ) {
$recurrence_days = array( 'mon', 'tue', 'wed', 'thu', 'fri' );
}
// Weekly recurrence
elseif ( 'week' === $event_repeat ) {
$recurrence_interval = '+1 week';
}
// Every two weeks recurrence
elseif ( 'biweek' === $event_repeat ) {
$recurrence_interval = '+2 week';
}
// Monthly recurrence
elseif ( 'month' === $event_repeat ) {
$recurrence_interval = '+1 month';
}
// Every two months recurrence
elseif ( 'bimonth' === $event_repeat ) {
$recurrence_interval = '+2 month';
}
// Yearly recurrence
elseif ( 'year' === $event_repeat ) {
$recurrence_interval = '+1 year';
}
// Create occurrences
if ( ! empty( $recurrence_interval ) || ! empty( $recurrence_days ) || ! empty( $recurrence_interval_xth ) ) {
// Repeat until timestamp
$event_repeat_until_timestamp = strtotime( $event_repeat_until );
// Initial occurence
$occurrence_start_timestamp = strtotime( $event_start_date );
$occurrence_end_timestamp = strtotime( $event_end_date );
// Get length of single occurrence
$occurrence_length_timestamp = $occurrence_end_timestamp - $occurrence_start_timestamp;
// Standard occurrence loop
if ( ! empty( $recurrence_interval ) ) {
while ( $occurrence_start_timestamp <= $event_repeat_until_timestamp ) {
// Convert timestamp to date
$occurrence_start = date( 'Y-m-d ' . $event_start_time, $occurrence_start_timestamp );
$occurrence_end = date( 'Y-m-d ' . $event_end_time, $occurrence_end_timestamp );
// Add occurrence
$occurrences[] = array(
'start' => get_gmt_from_date( $occurrence_start, 'Y-m-d H:i:s' ),
'end' => get_gmt_from_date( $occurrence_end, 'Y-m-d H:i:s' ),
'allday' => intval( $event_allday ),
);
// Prepare next occurrence
$occurrence_start_timestamp = strtotime( $occurrence_start . ' ' . $recurrence_interval );
$occurrence_end_timestamp = $occurrence_start_timestamp + $occurrence_length_timestamp;
}
}
// Specific every Xth occurrence
elseif ( ! empty( $recurrence_interval_xth ) ) {
while ( $occurrence_start_timestamp <= $event_repeat_until_timestamp ) {
// Prepare relative format
$relative_format = $recurrence_interval_xth . ' of ' . date( 'F Y', $occurrence_start_timestamp );
// Convert timestamp to date
$occurrence_start = date( 'Y-m-d ' . $event_start_time, strtotime( $relative_format ) );
$occurrence_end = date( 'Y-m-d ' . $event_end_time, strtotime( $relative_format ) + $occurrence_length_timestamp );
// Add occurrence
if ( strtotime( $occurrence_start ) <= $event_repeat_until_timestamp ) {
$occurrences[] = array(
'start' => get_gmt_from_date( $occurrence_start, 'Y-m-d H:i:s' ),
'end' => get_gmt_from_date( $occurrence_end, 'Y-m-d H:i:s' ),
'allday' => intval( $event_allday ),
);
}
// Prepare next occurrence
$occurrence_start_timestamp = strtotime( date( 'Y-m-01 00:00:00', strtotime( $occurrence_start ) ) . ' +1 month' );
}
}
// Specific weekday occurrence
elseif ( ! empty( $recurrence_days ) ) {
// Add first occurrence (can be set to any day, not only those on which it will be repeated)
$occurrences[] = array(
'start' => get_gmt_from_date( date( 'Y-m-d ' . $event_start_time, $occurrence_start_timestamp ), 'Y-m-d H:i:s' ),
'end' => get_gmt_from_date( date( 'Y-m-d ' . $event_end_time, $occurrence_end_timestamp ), 'Y-m-d H:i:s' ),
'allday' => intval( $event_allday ),
);
// Array with all weekdays
$weekdays = array( 'mon', 'tue', 'wed', 'thu', 'fri', 'sun', 'sat' );
// Initial occurrence day
$initial_occurrence_dayname = strtolower( date( 'D', $occurrence_start_timestamp ) );
$initial_occurrence_dayname_index = array_search( $initial_occurrence_dayname, $weekdays );
// Initial iteration
$initial_iteration = true;
// Additional occurrences
while ( $occurrence_start_timestamp <= $event_repeat_until_timestamp ) {
foreach ( $recurrence_days as $dayname ) {
// On the first iteration, skip to the next week day relative to initial occurrence day
if ( true === $initial_iteration ) {
$dayname_index = array_search( $dayname, $weekdays );
if ( $dayname_index <= $initial_occurrence_dayname_index ) {
continue;
}
}
// Prepare next occurrence
$occurrence_start = date( 'Y-m-d H:i:s', $occurrence_start_timestamp );
$occurrence_start_time = date( 'H:i:s', $occurrence_start_timestamp );
$occurrence_start_timestamp = strtotime( $occurrence_start . ' next ' . $dayname );
// When recurring via weekdays, time resets to 00:00, so let's make sure the correct time gets saved to DB
$occurrence_start_fix = date( 'Y-m-d', $occurrence_start_timestamp ) . ' ' . $occurrence_start_time;
$occurrence_start_timestamp = strtotime( $occurrence_start_fix );
// Generate occurrence end date
$occurrence_end_timestamp = $occurrence_start_timestamp + $occurrence_length_timestamp;
// Add next occurrence
if ( $occurrence_start_timestamp <= $event_repeat_until_timestamp ) {
$occurrences[] = array(
'start' => get_gmt_from_date( date( 'Y-m-d ' . $event_start_time, $occurrence_start_timestamp ), 'Y-m-d H:i:s' ),
'end' => get_gmt_from_date( date( 'Y-m-d ' . $event_end_time, $occurrence_end_timestamp ), 'Y-m-d H:i:s' ),
'allday' => intval( $event_allday ),
);
}
}
$initial_iteration = false;
}
}
}
}
// If set, remove only future occurrences (keep past ones) before inserting new ones
if ( true === $event_preserve_past ) {
$current_time = current_time( 'mysql', true );
$wpdb->query(
$wpdb->prepare(
"
DELETE FROM $occurrences_table_name
WHERE postid = %d
AND start > %s
",
$post_id, $current_time
)
);
}
// Remove all existing event occurrences before inserting new ones
else {
$wpdb->delete( $occurrences_table_name,
array( 'postid' => $post_id ),
array( '%d' )
);
}
// Proceed to insert occurrences into DB
if ( ! empty( $occurrences ) ) {
// Prepare query
$query_values = array();
$query_place_holders = array();
$query = "
INSERT IGNORE INTO $occurrences_table_name
( postid, start, end, allday )
VALUES ";
foreach ( $occurrences as $occurrence ) {
array_push( $query_values, $post_id, $occurrence['start'], $occurrence['end'], $occurrence['allday'] );
$query_place_holders[] = '( %d, %s, %s, %d )';
}
$query .= implode( ', ', $query_place_holders );
// Run query
$wpdb->query( $wpdb->prepare( $query, $query_values ) );
}
// Remove transients
lsvr_events_remove_transients();
}
}
}
}
?>