public function lessonTeacher()
{
header('Content-Type: text/html; charset=utf-8');
global $display;
$lid = Url::get('lid');
$cid = Url::get('cid');
if (intval($lid) <= 0 || intval($cid) <= 0) {
echo 0;
exit;
}
$teacher = User::get_teacher_lesson(User::id(), $lid);
if (!empty($teacher['tid'])) {
echo 1;
exit;
}
$list_teachers = Lessons::get_list_teacher($lid);
if (empty($list_teachers) || count($list_teachers) <= 0) {
echo 0;
exit;
}
if (count($list_teachers) == 1) {
foreach ($list_teachers as $t) {
//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'] == $t['id']) {
$price = $list_teacher[$i]['price'];
}
}
$data = array('tid' => $t['id'], 'cid' => $cid, 'lid' => $lid, 'uid' => User::id(), 'price' => $price, 'time' => time());
Classes::insert_teacher_price($data);
}
echo 1;
exit;
}
$display->add('lid', $lid);
$display->add('cid', $cid);
$display->add('list_teachers', $list_teachers);
$display->output('Lophoc/ajax/teachers');
exit;
}