/**
* Break the $wp_query post loop apart into sorted events by type
*
* @return void
* @since 3.0
* @author tim@imaginesimplicty.com
*/
function setup_loop()
{
global $wp_query;
self::$events = (object) array('all_day_map' => array(), 'all_day' => array(), 'hourly' => array(), 'hours' => array('start' => null, 'end' => null));
// get it started off with at least 1 row
self::$events->all_day_map[] = array_fill(self::$start_of_week, self::$week_length, null);
foreach ($wp_query->posts as $event_key_id => $event) {
// convert the start and end dates of the event into timestamps
$event_start_time = strtotime($event->EventStartDate);
$event_end_time = strtotime($event->EventEndDate);
// if the event start time is greater than the start time of the week then we use the event date otherwise use the beginning of the week date
$start_date_compare = strtotime(self::$start_of_week_date) < $event_start_time ? $event->EventStartDate : self::$start_of_week_date;
$end_date_compare = strtotime(self::$end_of_week_date) > $event_end_time ? $event->EventEndDate : self::$end_of_week_date;
// convert the starting event or week date into day of the week
$event_start_day_of_week = date('w', strtotime($start_date_compare));
// determine the number of days between the starting date and the end of the event
$event->days_between = tribe_get_days_between($start_date_compare, $end_date_compare);
// make sure that our days between will not extend past the end of the week
$event->days_between = $event->days_between >= self::$week_length - $event_start_day_of_week ? self::$week_length - $event_start_day_of_week : (int) $event->days_between;
// if this is an all day event
if (tribe_get_event_meta($event->ID, '_EventAllDay')) {
// let's build our hashtable for add day events
foreach (self::$events->all_day_map as $hash_id => $days) {
// set bool for if we should inset the event id on the current hash row
$insert_current_row = false;
// loop through the columns of this hash row
for ($n = $event_start_day_of_week; $n <= $event_start_day_of_week + $event->days_between; $n++) {
// create an offset id for cases where the day of the week is less the starting day of the week
// thus looping the beginning days of the start week starting at 0 around to the end
$all_day_offset = $n < self::$start_of_week ? self::$week_length + $n : $n;
// check for hash collision and setup bool for going to the next row if we can't fit it on this row
if (!empty(self::$events->all_day_map[$hash_id][$all_day_offset]) || self::$events->all_day_map[$hash_id][$all_day_offset] == '0') {
$insert_current_row = true;
break;
} else {
$insert_current_row = false;
}
}
// if we should actually insert a new row vs going to the next row
if ($insert_current_row && count(self::$events->all_day_map) == $hash_id + 1) {
// create a new row and fill with week day columns
self::$events->all_day_map[] = array_fill(self::$start_of_week, self::$week_length, null);
// change the row id to the last row
$hash_id = count(self::$events->all_day_map) - 1;
} else {
if ($insert_current_row) {
// nullify the hash id
$hash_id = null;
}
}
// if we still have a hash id then fill the row with the event id
if (!is_null($hash_id)) {
// loop through each week day we want the event to be inserted
for ($n = $event_start_day_of_week; $n <= $event_start_day_of_week + $event->days_between; $n++) {
// create an offset id for cases where the day of the week is less the starting day of the week
// thus looping the beginning days of the start week starting at 0 around to the end
$all_day_offset = $n < self::$start_of_week ? self::$week_length + $n : $n;
// add the event array key id into the week day column
self::$events->all_day_map[$hash_id][$all_day_offset] = $event_key_id;
}
// break the hashtable since we have successfully added the event into a row
break;
}
}
// using the array key for the event id for uniqueness of recurring events
self::$events->all_day[$event_key_id] = $event;
} else {
$start_hour = date('G', strtotime($event->EventStartDate));
$end_hour = date('G', strtotime($event->EventEndDate));
if (is_null(self::$events->hours['start']) || $start_hour < self::$events->hours['start']) {
self::$events->hours['start'] = $start_hour;
}
if (is_null(self::$events->hours['end']) || $end_hour > self::$events->hours['end']) {
self::$events->hours['end'] = $end_hour;
}
self::$events->hourly[$event_key_id] = $event;
}
}
}
