function getAll($courseId)
{
$tblSection = new DB_Haodu_CourseSection();
$where = "where course_id={$courseId}";
$orderby = "order by seq asc";
return $tblSection->fetchAll("*", $where, $orderby);
}
/**
* 用户最后学习的节
* @param $uid
* @param array $courseIds
*/
function getUserCourseLastSection($uid, $courseIds = array())
{
$course = array();
$inCourseIds = implode(",", $courseIds);
$tblUserSec = new DB_Haodu_UserSection();
$last = array();
foreach ($courseIds as $cid) {
$rs = $tblUserSec->scalar("course_id, section_id", "where uid={$uid} and course_id={$cid}", "order by last_time desc");
if ($rs) {
$last[] = $rs;
}
}
if ($last) {
$tblCourSec = new DB_Haodu_CourseSection();
foreach ($last as $lastSec) {
$section = $tblCourSec->fetchRow($lastSec['section_id'], 'id,parent_id,name,seq');
$chapter = $tblCourSec->fetchRow($section['parent_id'], "id,name,seq");
$course[$lastSec['course_id']] = array('last_section_id' => $section['id'], 'last_section_name' => $section['name'], 'last_section_seq' => $section['seq'], 'last_chapter_id' => $chapter['id'], 'last_chapter_name' => $chapter['name'], 'last_chapter_seq' => $chapter['seq']);
}
}
return $course;
}
/**
* 视频所属节
*/
public function getVideoBelongSection($videoId)
{
$tbl = new DB_Haodu_CourseSection();
return $tbl->scalar("*", "where video_id={$videoId}");
}