/**
* <p>Метод удаляет курс с идентификатором ID.</p>
*
*
*
*
* @param int $ID Идентификатор курса.
*
*
*
* @return bool <p>Метод возвращает <i>true</i> в случае успешного удаления курса, в
* противном случае возвращает <i>false</i>.</p> <a name="examples"></a>
*
*
* <h4>Example</h4>
* <pre>
* <?
*
* if (CModule::IncludeModule("learning"))
* {
*
* $ID = 109;//Course ID
*
* if($USER->IsAdmin())
* {
* @set_time_limit(0);
* $DB->StartTransaction();
* if(!CCourse::Delete($ID))
* $DB->Rollback();
* else
* $DB->Commit();
* }
*
* }
*
* ?>
* </pre>
*
*
* @static
* @link http://dev.1c-bitrix.ru/api_help/learning/classes/ccourse/delete.php
* @author Bitrix
*/
public static function Delete($ID)
{
global $DB;
$ID = intval($ID);
if ($ID < 1) {
return false;
}
$lessonId = CCourse::CourseGetLinkedLesson($ID);
if ($lessonId === false) {
return false;
}
CLearnLesson::Delete($lessonId);
return true;
}
public function ProcessActionsOnList()
{
if (isset($_POST['action']) && strlen($_POST['action']) !== 0) {
$action = $_POST['action'];
} elseif (isset($_GET['action']) && strlen($_GET['action']) !== 0) {
$action = $_GET['action'];
} elseif (isset($_POST['action_button']) && strlen($_POST['action_button']) !== 0) {
$action = $_POST['action_button'];
} elseif (isset($_GET['action_button']) && strlen($_GET['action_button']) !== 0) {
$action = $_GET['action_button'];
} else {
return $this;
}
// nothing to do
$arID = $this->oList->GroupAction();
if ($arID === false) {
return $this;
}
// no items selected
if (check_bitrix_sessid() !== true) {
throw new CLearnRenderAdminUnilessonListException('', CLearnRenderAdminUnilessonListException::C_ACCESS_DENIED);
}
if ($_POST['action_target'] === 'selected') {
$arID = array();
$rsData = $this->fetchDataFromDb();
while ($arRes = $rsData->Fetch()) {
$arID[] = $arRes['LESSON_ID'];
}
}
foreach ($arID as $lessonId) {
// If not int or string can't be strictly casted to int
if (!(is_numeric($lessonId) && is_int($lessonId + 0))) {
continue;
}
$lessonId += 0;
$wasError = false;
$preventSelectionOnError = false;
try {
switch ($action) {
case 'unlink':
// !!! In case of unlinking in $lessonId not Lesson's id, but it's full path
$oPath = new CLearnPath();
$oPath->ImportUrlencoded($lessonId);
$arPath = $oPath->GetPathAsArray();
if (count($arPath) < 2) {
throw new CLearnRenderAdminUnilessonListException('', CLearnRenderAdminUnilessonListException::C_LOGIC);
}
$childLessonId = $oPath->GetBottom();
$parentLessonId = $oPath->GetBottom();
if ($parentLessonId === false || $childLessonId === false) {
// something goes wrong
throw new CLearnRenderAdminUnilessonListException('', CLearnRenderAdminUnilessonListException::C_LOGIC);
}
$this->EnsureLessonUnlinkAccess($parentLessonId, $childLessonId);
// throws an exception on error
CLearnLesson::RelationRemove($parentLessonId, $childLessonId);
break;
case 'disband':
@set_time_limit(0);
$courseId = CLearnLesson::GetLinkedCourse($lessonId);
if ($courseId !== false && CCourse::IsCertificatesExists($courseId)) {
throw new Exception(GetMessage(LEARNING_COURSE_UNREMOVABLE_CAUSE_OF_CERTIFICATES));
}
$this->EnsureLessonDisbandAccess($lessonId);
CLearnLesson::Delete($lessonId);
break;
case 'delete':
case 'recursive_delete':
$preventSelectionOnError = true;
// prevent switch table to "selection mode" when cannot delete item in list
@set_time_limit(0);
$courseId = CLearnLesson::GetLinkedCourse($lessonId);
if ($courseId !== false && CCourse::IsCertificatesExists($courseId)) {
throw new Exception(GetMessage(LEARNING_COURSE_UNREMOVABLE_CAUSE_OF_CERTIFICATES));
}
try {
// firstly, simulate to check permissions
CLearnLesson::DeleteRecursiveLikeHardlinks(array('lesson_id' => $lessonId, 'simulate' => true));
// If all is OK, try to really remove it
CLearnLesson::DeleteRecursiveLikeHardlinks($lessonId);
} catch (LearnException $e) {
if ($e->GetCode() === LearnException::EXC_ERR_ALL_ACCESS_DENIED) {
throw new CLearnRenderAdminUnilessonListException('', CLearnRenderAdminUnilessonListException::C_ACCESS_DENIED);
} else {
// bubble exception
throw new LearnException($e->GetMessage(), $e->GetCode());
}
}
break;
case 'activate':
case 'deactivate':
if (strtolower($action) === 'deactivate') {
$this->EnsureLessonDeactivateAccess($lessonId);
$arFields = array('ACTIVE' => 'N');
} elseif (strtolower($action) === 'activate') {
$this->EnsureLessonActivateAccess($lessonId);
$arFields = array('ACTIVE' => 'Y');
} else {
throw new CLearnRenderAdminUnilessonListException('WTFAYD,#Pro#?!', CLearnRenderAdminUnilessonListException::C_ACCESS_DENIED);
}
// Is item course or not?
$courseId = CLearnLesson::GetLinkedCourse($lessonId);
if ($courseId === false) {
// not course
CLearnLesson::Update($lessonId, $arFields);
} else {
$oCourse = new CCourse();
$rc = $oCourse->Update($courseId, $arFields);
unset($oCourse);
if ($rc === false) {
throw new Exception();
}
}
break;
default:
throw new Exception();
break;
}
} catch (CLearnRenderAdminUnilessonListException $e) {
$wasError = true;
$errorText = $e->getMessage();
$errorCode = $e->getCode();
} catch (Exception $e) {
$wasError = true;
$errorText = $e->getMessage();
$errorCode = 0;
// Because we checks below only CLearnRenderAdminUnilessonListException codes
}
if ($wasError) {
if ($e->getCode() & CLearnRenderAdminUnilessonListException::C_ACCESS_DENIED) {
// Access denied
$errmsg = GetMessage('LEARNING_SAVE_ERROR') . '#' . $lessonId . ': ' . GetMessage('LEARNING_ACCESS_D');
if (strlen($errorText) > 0) {
$errmsg .= ': ' . $errorText;
}
} else {
// Some error occured during update operation
$errmsg = GetMessage('LEARNING_SAVE_ERROR') . $lessonId;
if (strlen($errorText) > 0) {
$errmsg .= ' (' . $errorText . ')';
}
}
if ($preventSelectionOnError) {
$this->oList->AddUpdateError($errmsg);
} else {
$this->oList->AddUpdateError($errmsg, $lessonId);
}
}
}
return $this;
}
