}
$g_learn_parentLessonPath = $_GET['PROPOSE_RETURN_LESSON_PATH'];
$oPath = new CLearnPath();
$oPath->ImportUrlencoded($g_learn_parentLessonPath);
$g_learn_parentLessonId = $oPath->GetBottom();
if ($g_learn_parentLessonId === false) {
throw new LearnException('EA_LOGIC: PROPOSE_RETURN_LESSON_PATH given, ' . 'but there is no parent lesson in path', LearnException::EXC_ERR_ALL_LOGIC);
}
}
// Place to $topCourseLessonId lesson id of top course, if top lesson is course.
$topCourseLessonId = false;
if (isset($g_learn_parentLessonPath) && strlen($g_learn_parentLessonPath)) {
try {
$oPath = new CLearnPath();
$oPath->ImportUrlencoded($g_learn_parentLessonPath);
$topLessonId = $oPath->GetTop();
// Is lesson the course?
if (CLearnLesson::GetLinkedCourse($topLessonId) !== false) {
$topCourseLessonId = $topLessonId;
}
} catch (Exception $e) {
$topCourseLessonId = false;
}
unset($oPath, $topLessonId);
}
// This argument can be transmitted on POST submit of form when creating new lesson
if (isset($_GET['PARENT_LESSON_ID'])) {
$_POST['PARENT_LESSON_ID'] = $_GET['PARENT_LESSON_ID'];
}
if (isset($_POST['PARENT_LESSON_ID'])) {
$g_learn_parentLessonId = $_POST['PARENT_LESSON_ID'];
public function __construct()
{
global $USER;
$this->oAccess = CLearnAccess::GetInstance($USER->GetID());
// Removes all global variables with prefix "str_"
ClearVars();
$parentLessonId = -2;
// by default, magic number '-2' is means 'List lessons, without relation to parent'
$oPath = false;
if (isset($_GET['LESSON_PATH']) && strlen($_GET['LESSON_PATH']) > 0) {
$oPath = new CLearnPath();
$oPath->ImportUrlencoded($_GET['LESSON_PATH']);
// if most top lesson is a course => than we are in context of this course
$rootAncestorLessonId = $oPath->GetTop();
if ($rootAncestorLessonId !== false) {
$rc = CLearnLesson::GetLinkedCourse($rootAncestorLessonId);
if ($rc !== false) {
$this->contextCourseLessonId = (int) $rootAncestorLessonId;
}
// lesson id of course
}
}
if (isset($_POST['PARENT_LESSON_ID'])) {
$parentLessonId = $_POST['PARENT_LESSON_ID'];
} elseif (isset($_GET['PARENT_LESSON_ID'])) {
$parentLessonId = $_GET['PARENT_LESSON_ID'];
} elseif ($oPath !== false) {
$parentLessonId = $oPath->GetBottom();
if ($parentLessonId === false) {
$parentLessonId = -2;
}
// by default, magic number '-2' is means 'List lessons, without relation to parent'
}
$this->requestedParentLessonId = $parentLessonId;
// Determine current list mode
if ($parentLessonId >= 1) {
$this->listMode = self::ListChildLessonsMode;
} elseif ($parentLessonId == -1) {
// magic number '-1' is means 'List courses'
$this->listMode = self::ListAnyCoursesMode;
} else {
$this->listMode = self::ListAnyLessonsMode;
}
// by default
$orderBy = false;
$order = 'asc';
if (isset($_POST['by'])) {
$orderBy = $_POST['by'];
} elseif (isset($_GET['by'])) {
$orderBy = $_GET['by'];
}
if (isset($_POST['order'])) {
$order = $_POST['order'];
} elseif (isset($_GET['order'])) {
$order = $_GET['order'];
}
$order = strtolower($order);
if ($orderBy !== false && ($order === 'asc' || $order === 'desc')) {
$this->arSortOrder = array($orderBy => $order);
}
$this->search_mode = false;
$this->search_mode_type = 'childs_candidates';
// by default;
if (isset($_GET['search_retpoint'])) {
$this->search_mode = true;
$this->search_retpoint = $_GET['search_retpoint'];
$this->hrefSearchRetPoint = '&search_retpoint=' . htmlspecialcharsbx($this->search_retpoint);
if (isset($_GET['search_mode_type'])) {
if ($_GET['search_mode_type'] === 'parents_candidates') {
$this->search_mode_type = 'parents_candidates';
} elseif ($_GET['search_mode_type'] === 'attach_question_to_lesson') {
$this->search_mode_type = 'attach_question_to_lesson';
}
}
}
}