/**
* Reset the sortorder for all tours.
*/
public static function reset_tour_sortorder()
{
global $DB;
$tours = $DB->get_records('tool_usertours_tours', null, 'sortorder ASC, pathmatch DESC', 'id, sortorder');
$index = 0;
foreach ($tours as $tour) {
if ($tour->sortorder != $index) {
$DB->set_field('tool_usertours_tours', 'sortorder', $index, array('id' => $tour->id));
}
$index++;
}
// Notify the cache that a tour has changed.
// Tours are only stored in the cache if there are steps.
// If there step count has changed for some reason, this will change the potential cache results.
cache::notify_tour_change();
}
/**
* Save the tour and it's configuration to the database.
*
* @param boolean $force Whether to force writing to the database.
* @return $this
*/
public function persist($force = false)
{
global $DB;
if (!$this->dirty && !$force) {
return $this;
}
if ($this->id) {
$record = $this->to_record();
$DB->update_record('tool_usertours_tours', $record);
} else {
$this->calculate_sortorder();
$record = $this->to_record();
unset($record->id);
$this->id = $DB->insert_record('tool_usertours_tours', $record);
}
$this->reload();
// Notify the cache that a tour has changed.
cache::notify_tour_change();
return $this;
}
/**
* Remove this step.
*/
public function remove()
{
global $DB;
if ($this->id === null) {
return;
}
$DB->delete_records('tool_usertours_steps', array('id' => $this->id));
$this->get_tour()->reset_step_sortorder();
// Notify of a change to the step configuration.
// This must be done separately to tour change notifications.
cache::notify_step_change($this->get_id());
// Notify the cache that a tour has changed.
// Tours are only stored in the cache if there are steps.
// If there step count has changed for some reason, this will change the potential cache results.
cache::notify_tour_change();
}