/**
* Preserves changed fields by resetting array indexes back to the stored post/meta values
*
* @param array $event Event array to reset
*
* @return array
*/
public static function preserve_changed_fields($event)
{
if (empty($event['ID'])) {
return $event;
}
$post = get_post($event['ID']);
$post_meta = Tribe__Events__API::get_and_flatten_event_meta($event['ID']);
if (empty($post_meta[Tribe__Events__API::$modified_field_key])) {
$modified = array();
} else {
$modified = $post_meta[Tribe__Events__API::$modified_field_key];
}
$post_fields_to_reset = array('post_title', 'post_content', 'post_status');
// reset any modified post fields
foreach ($post_fields_to_reset as $field) {
// don't bother resetting if the field hasn't been modified
if (!isset($modified[$field])) {
continue;
}
// don't bother resetting if we aren't trying to update the field
if (!isset($event[$field])) {
continue;
}
// don't bother resetting if we don't have a field to reset to
if (!isset($post->{$field})) {
continue;
}
$event[$field] = $post->{$field};
}
$tec = Tribe__Events__Main::instance();
// reset any modified meta fields
foreach ($tec->metaTags as $field) {
// don't bother resetting if the field hasn't been modified
if (!isset($modified[$field])) {
continue;
}
// if we don't have a field to reset to, let's unset the event meta field
if (!isset($post_meta[$field])) {
unset($event[$field]);
continue;
}
$event[$field] = $post_meta[$field];
}
return $event;
}
