if ($arParams["SET_TITLE"] == "Y") {
$APPLICATION->SetTitle($arResult["CHAPTER"]["NAME"]);
}
$bCanEdit = CLearnAccessMacroses::CanUserEditLesson(array('lesson_id' => $arParams['CHAPTER_ID'])) || $USER->IsAdmin();
if ($bCanEdit) {
$deleteReturnUrl = "";
if ($parent = $this->GetParent()) {
$parentLessonId = 0;
$lessonPath = "";
if (strlen($arParams["LESSON_PATH"]) > 0) {
$path = new CLearnPath();
$path->ImportUrlencoded($arParams["LESSON_PATH"]);
$path->PopBottom();
$lessonPath = $path->ExportUrlencoded();
$lessonId = $path->PopBottom();
$edgesToParents = CLearnLesson::ListImmediateParents($arParams['CHAPTER_ID']);
foreach ($edgesToParents as $arEdgeToParent) {
if ((int) $arEdgeToParent['PARENT_LESSON'] === (int) $lessonId) {
$parentLessonId = $lessonId;
break;
}
}
}
if ($parentLessonId) {
$deleteReturnUrl = CComponentEngine::MakePathFromTemplate($parent->arResult["FOLDER"] . $parent->arResult["URL_TEMPLATES"]["chapter.detail"], array("CHAPTER_ID" => "0" . $parentLessonId, "COURSE_ID" => $arParams["COURSE_ID"]));
$deleteReturnUrl .= strpos($deleteReturnUrl, "?") !== false ? "&" : "?";
$deleteReturnUrl .= "LESSON_PATH=" . $lessonPath;
} else {
$deleteReturnUrl = CComponentEngine::MakePathFromTemplate($parent->arResult["FOLDER"] . $parent->arResult["URL_TEMPLATES"]["course.detail"], array("COURSE_ID" => $arParams["COURSE_ID"]));
}
}
protected function EnsureLessonDisbandAccess($lessonID)
{
global $USER;
if (!$this->oAccess->IsLessonAccessible($lessonID, CLearnAccess::OP_LESSON_REMOVE, true)) {
throw new CLearnRenderAdminUnilessonListException('', CLearnRenderAdminUnilessonListException::C_ACCESS_DENIED);
}
// ensure, that all childs can be unlinked from lesson
$arChildEdges = CLearnLesson::ListImmediateChilds($lessonID);
if (count($arChildEdges) > 0) {
if (!$this->oAccess->IsLessonAccessible($lessonID, CLearnAccess::OP_LESSON_UNLINK_DESCENDANTS, true)) {
throw new CLearnRenderAdminUnilessonListException('', CLearnRenderAdminUnilessonListException::C_ACCESS_DENIED);
}
foreach ($arChildEdges as $arChildEdge) {
if (!$this->oAccess->IsLessonAccessible($arChildEdge['CHILD_LESSON'], CLearnAccess::OP_LESSON_UNLINK_FROM_PARENTS, true)) {
throw new CLearnRenderAdminUnilessonListException('', CLearnRenderAdminUnilessonListException::C_ACCESS_DENIED);
}
}
}
// ensure, that all parents can be unlinked from lesson
$arParentEdges = CLearnLesson::ListImmediateParents($lessonID);
if (count($arParentEdges) > 0) {
if (!$this->oAccess->IsLessonAccessible($lessonID, CLearnAccess::OP_LESSON_UNLINK_FROM_PARENTS, true)) {
throw new CLearnRenderAdminUnilessonListException('', CLearnRenderAdminUnilessonListException::C_ACCESS_DENIED);
}
foreach ($arParentEdges as $arParentEdge) {
if (!$this->oAccess->IsLessonAccessible($arParentEdge['PARENT_LESSON'], CLearnAccess::OP_LESSON_UNLINK_DESCENDANTS, true)) {
throw new CLearnRenderAdminUnilessonListException('', CLearnRenderAdminUnilessonListException::C_ACCESS_DENIED);
}
}
}
return $this;
}
$oPath = new CLearnPath();
$oPath->ImportUrlencoded($g_learn_currentLessonPath);
$arPath = $oPath->GetPathAsArray();
if (count($arPath) >= 2) {
// pop current lesson id
array_pop($arPath);
// remember parent path
$oParentPath = new CLearnPath();
$oParentPath->SetPathFromArray($arPath);
$g_learn_parentLessonPath = urldecode($oParentPath->ExportUrlencoded());
// pop parent lesson id
$g_learn_parentLessonId = array_pop($arPath);
// If lesson was edited and unlinked from parent $g_parentLessonId
// we must cleanup LESSON_PATH. Also we must cleanup lesson path if
// it is wrong due to other reasons.
$arEdgesToParents = CLearnLesson::ListImmediateParents($LESSON_ID);
$isLinkToParentFound = false;
foreach ($arEdgesToParents as $arEdgeToParent) {
if ((int) $arEdgeToParent['PARENT_LESSON'] === (int) $g_learn_parentLessonId) {
$isLinkToParentFound = true;
}
}
if (!$isLinkToParentFound) {
if (isset($_POST['LESSON_PATH'])) {
unset($_POST['LESSON_PATH']);
}
if (isset($_GET['LESSON_PATH'])) {
unset($_GET['LESSON_PATH']);
}
unset($g_learn_parentLessonId, $g_learn_parentLessonPath, $g_learn_currentLessonPath);
}
$bCanUserEdit = CLearnAccessMacroses::CanUserEditLesson(array('lesson_id' => $arParams['LESSON_ID'])) || $USER->IsAdmin();
$bCanUserRemove = CLearnAccessMacroses::CanUserRemoveLesson(array('lesson_id' => $arParams['LESSON_ID'])) || $USER->IsAdmin();
if ($bCanUserEdit || $bCanUserRemove) {
$arAreaButtons = array();
$deleteReturnUrl = "";
if ($bCanUserRemove) {
if ($parent = $this->GetParent()) {
$parentLessonId = 0;
$lessonPath = "";
if (strlen($arParams["LESSON_PATH"]) > 0) {
$path = new CLearnPath();
$path->ImportUrlencoded($arParams["LESSON_PATH"]);
$path->PopBottom();
$lessonPath = $path->ExportUrlencoded();
$lessonId = $path->PopBottom();
$edgesToParents = CLearnLesson::ListImmediateParents($arParams["LESSON_ID"]);
foreach ($edgesToParents as $arEdgeToParent) {
if ((int) $arEdgeToParent['PARENT_LESSON'] === (int) $lessonId) {
$parentLessonId = $lessonId;
break;
}
}
}
if ($parentLessonId) {
$deleteReturnUrl = CComponentEngine::MakePathFromTemplate($parent->arResult["FOLDER"] . $parent->arResult["URL_TEMPLATES"]["chapter.detail"], array("CHAPTER_ID" => "0" . $parentLessonId, "COURSE_ID" => $arParams['COURSE_ID']));
$deleteReturnUrl .= strpos($deleteReturnUrl, "?") !== false ? "&" : "?";
$deleteReturnUrl .= "LESSON_PATH=" . $lessonPath;
} else {
$deleteReturnUrl = CComponentEngine::MakePathFromTemplate($parent->arResult["FOLDER"] . $parent->arResult["URL_TEMPLATES"]["course.detail"], array("COURSE_ID" => $arParams['COURSE_ID']));
}
}
