public function choiceTeacher()
{
$lid = Url::get('lid');
$tid = Url::get('tid');
$cid = Url::get('cid');
if (intval($lid) <= 0 || intval($tid) <= 0 || intval($cid) <= 0) {
echo 0;
exit;
}
$teacher = User::get_teacher_lesson(User::id(), $lid);
$lesson = Lessons::get_lesson($lid);
if (empty($teacher['tid'])) {
//Insert money to teacher
$class = Classes::get_class($cid, true, true);
$list_teacher = $class['teacher_price'];
$price = 0;
for ($i = 0; $i < count($list_teacher); $i++) {
if ($list_teacher[$i]['tid'] == $tid) {
$price = $list_teacher[$i]['price'];
}
}
$data = array('tid' => $tid, 'cid' => $cid, 'lid' => $lid, 'uid' => User::id(), 'price' => $price, 'time' => time());
Classes::insert_teacher_price($data);
}
echo '/baigiang/' . $lesson['slug'] . '/' . $lesson['id'] . '/c/' . $cid . '.html';
exit;
}
