/**
* Delete a glossary term (and re-order all the others)
*
* @param integer The id of the glossary term to delete
* @return bool True on success, false on failure
* @author Patrick Cool <*****@*****.**>, Ghent University, Belgium
* @version januari 2009, dokeos 1.8.6
*/
public static function delete_glossary($glossary_id, $message = true)
{
// Database table definition
$t_glossary = Database::get_course_table(TABLE_GLOSSARY);
$course_id = api_get_course_int_id();
if (empty($glossary_id)) {
return false;
}
$sql = "DELETE FROM {$t_glossary} WHERE c_id = {$course_id} AND glossary_id='" . intval($glossary_id) . "'";
$result = Database::query($sql);
if ($result === false or Database::affected_rows($result) < 1) {
return false;
}
//update item_property (delete)
api_item_property_update(api_get_course_info(), TOOL_GLOSSARY, intval($glossary_id), 'delete', api_get_user_id());
// reorder the remaining terms
GlossaryManager::reorder_glossary();
Session::write('max_glossary_display', GlossaryManager::get_max_glossary_item());
Display::display_confirmation_message(get_lang('TermDeleted'));
return true;
}