/**
* @param int $id contains the resource id
* @param string $back_url contains the back url (not used yet)
*/
function del($id, $back_url = NULL)
{
//checkPerm('view', false, 'storage');
unset($_SESSION['last_error']);
require_once _base_ . '/lib/lib.upload.php';
$path_to_file = '/appLms/' . Get::sett('pathlesson');
list($old_file) = sql_fetch_row(sql_query("\r\n\t\tSELECT path \r\n\t\tFROM " . $GLOBALS['prefix_lms'] . "_materials_lesson \r\n\t\tWHERE idLesson = '" . $id . "'"));
$size = Get::file_size($GLOBALS['where_files_relative'] . $path_to_file . $old_file);
if ($old_file != '') {
sl_open_fileoperations();
if (!sl_unlink($path_to_file . $old_file)) {
sl_close_fileoperations();
$_SESSION['last_error'] = Lang::t('_OPERATION_FAILURE', 'item');
return false;
}
sl_close_fileoperations();
if (isset($_SESSION['idCourse']) && defined("LMS")) {
$GLOBALS['course_descriptor']->subFileToUsedSpace(false, $size);
}
}
$delete_query = "\r\n\t\tDELETE FROM " . $GLOBALS['prefix_lms'] . "_materials_lesson \r\n\t\tWHERE idLesson = '" . $id . "'";
if (!sql_query($delete_query)) {
$_SESSION['last_error'] = Lang::t('_OPERATION_FAILURE', 'item');
return false;
}
return $id;
}
/**
* Return the size in bytes of the specified directory
* @param <string> $path The target dir
* @return <int> The size of the dir in bytes
*/
public static function dir_size($path)
{
if (!is_dir($path)) {
return Get::file_size($path);
}
if ($scan_dir = opendir($path)) {
$size = 0;
while ($file = readdir($scan_dir)) {
if ($file != '..' && $file != '.' && $file != '') {
$size += self::dir_size($path . '/' . $file);
}
}
}
closedir($scan_dir);
return $size;
}
function manageCourseFile($new_file_id, $old_file, $path, $quota_available, $delete_old, $is_image = false)
{
$arr_new_file = isset($_FILES[$new_file_id]) && $_FILES[$new_file_id]['tmp_name'] != '' ? $_FILES[$new_file_id] : false;
$return = array('filename' => $old_file, 'new_size' => 0, 'old_size' => 0, 'error' => false, 'quota_exceeded' => false);
if (($delete_old || $arr_new_file !== false) && $old_file != '') {
// the flag for file delete is checked or a new file was uploaded ---------------------
$return['old_size'] = Get::file_size($GLOBALS['where_files_relative'] . $path . $old_file);
$quota_available -= $return['old_size'];
sl_unlink($path . $old_file);
$return['filename'] = '';
}
if (!empty($arr_new_file)) {
// if present load the new file --------------------------------------------------------
$filename = $new_file_id . '_' . mt_rand(0, 100) . '_' . time() . '_' . $arr_new_file['name'];
if ($is_image) {
$re = createImageFromTmp($arr_new_file['tmp_name'], $path . $filename, $arr_new_file['name'], 150, 150, true);
if ($re < 0) {
$return['error'] = true;
} else {
// after resize check size ------------------------------------------------------------
$size = Get::file_size($GLOBALS['where_files_relative'] . $path . $filename);
if ($quota_available != 0 && $size > $quota_available) {
$return['quota_exceeded'] = true;
sl_unlink($path . $filename);
} else {
$return['new_size'] = $size;
$return['filename'] = $filename;
}
}
} else {
// check if the filesize don't exceed the quota ----------------------------------------
$size = Get::file_size($arr_new_file['tmp_name']);
if ($quota_available != 0 && $size > $quota_available) {
$return['quota_exceeded'] = true;
} else {
// save file ---------------------------------------------------------------------------
if (!sl_upload($arr_new_file['tmp_name'], $path . $filename)) {
$return['error'] = true;
} else {
$return['new_size'] = $size;
$return['filename'] = $filename;
}
}
}
}
return $return;
}
function insertFile($id_file, $area, $title, $description, $file_descriptor, $file_policy)
{
require_once _base_ . '/lib/lib.user.php';
require_once _base_ . '/lib/lib.user_profile.php';
$user_data = new DoceboUser(getLogUserId());
$user_profile_data = new UserProfileData();
$file_name = '';
if ($file_descriptor != '') {
// save file
$file_name = $this->saveFile($area, $file_descriptor);
}
$file_size = Get::file_size($GLOBALS['where_files_relative'] . $this->getFilePath() . $file_name);
if (!$file_size) {
$file_size = 0;
}
$total_used_quota = $file_size + $user_profile_data->getUsedQuota(getLogUserId());
$max_quota = $user_profile_data->getQuotaLimit(getLogUserId()) * 1024 * 1024;
if ($total_used_quota <= $max_quota) {
if (!$id_file) {
if ($file_name == '') {
return false;
}
$query = "\r\n\t\t\t\tINSERT INTO " . $this->getFilesTable() . " ( owner, area, title, description, file_name, file_policy, size ) VALUES \r\n\t\t\t\t(\t'" . $this->id_user . "', \r\n\t\t\t\t\t'" . $area . "', \r\n\t\t\t\t\t'" . $title . "', \r\n\t\t\t\t\t'" . $description . "', \r\n\t\t\t\t\t'" . addslashes($file_name) . "', \r\n\t\t\t\t\t'" . $file_policy . "', \r\n\t\t\t\t\t'" . $file_size . "' )";
if (!$this->_query($query)) {
return false;
}
$result = $user_data->updateUserUsedSpace($this->id_user);
$id_file = $this->_last_id();
return $id_file;
} else {
$query = "\r\n\t\t\t\tUPDATE " . $this->getFilesTable() . " \r\n\t\t\t\tSET area = '" . $area . "', \r\n\t\t\t\t\ttitle = '" . $title . "', \r\n\t\t\t\t\tdescription = '" . $description . "', \r\n\t\t\t\t\tfile_policy = '" . $file_policy . "' ";
if ($file_name != '' || $file_name != false) {
$query .= ", file_name = '" . addslashes($file_name) . "'";
}
$query .= " WHERE id_file = '" . $id_file . "' AND owner = '" . $this->id_user . "'";
if (!$this->_query($query)) {
return false;
}
return $id_file;
}
}
sl_open_fileoperations();
sl_unlink($this->getFilePath() . $file_name);
sl_close_fileoperations();
return false;
}
function subFileToUsedSpace($path = false, $manual_size = false)
{
if ($manual_size === false) {
$size = Get::file_size($path);
} else {
$size = $manual_size;
}
$course_size = $this->course_info['used_space'] - $size;
$this->course_info['used_space'] = $course_size < 0 ? 0 : $course_size;
return $this->setValues(array('used_space' => $course_size));
}
function remfiles()
{
checkPerm('mod');
$lang =& DoceboLanguage::createInstance('course');
require_once _base_ . '/lib/lib.upload.php';
if (isset($_GET['confirm']) && $_GET['confirm'] == '1') {
list($old_file) = sql_fetch_row(sql_query("\r\n\t\tSELECT path \r\n\t\tFROM " . $GLOBALS['prefix_lms'] . "_course_file \r\n\t\tWHERE id_course='" . $_SESSION['idCourse'] . "' AND id_file='" . (int) $_GET['id_file'] . "'"));
$size = Get::file_size($GLOBALS['where_files_relative'] . _PATH_COURSE . $old_file);
if (!sl_unlink(_PATH_COURSE . $old_file)) {
$GLOBALS['page']->add(getErrorUi($lang->def('_OPERATION_FAILURE')));
return;
}
$GLOBALS['course_descriptor']->subFileToUsedSpace(false, $size);
if (!sql_query("\r\n\t\tDELETE FROM " . $GLOBALS['prefix_lms'] . "_course_file \r\n\t\tWHERE id_course = '" . (int) $_SESSION['idCourse'] . "' AND id_file = '" . (int) $_GET['id_file'] . "'")) {
$GLOBALS['page']->add(getErrorUi($lang->def('_OPERATION_FAILURE')));
return;
}
Util::jump_to('index.php?modname=course&op=infocourse');
} else {
list($title, $file) = sql_fetch_row(sql_query("\r\n\t\tSELECT title, path \r\n\t\tFROM " . $GLOBALS['prefix_lms'] . "_course_file \r\n\t\tWHERE id_course = '" . (int) $_SESSION['idCourse'] . "' AND id_file = '" . (int) $_GET['id_file'] . "'"));
//request erase confirm
$GLOBALS['page']->add(getTitleArea(array('index.php?modname=course&op=infocourse' => $lang->def('_INFO'), $lang->def('_DEL')), 'infocourse') . '<div class="std_block">' . getDeleteUi($lang->def('_AREYOUSURE'), '<img src="' . getPathImage('fw') . mimeDetect($file) . '" alt="mime-type" /> ' . $title, true, 'index.php?modname=course&op=remfiles&id_file=' . (int) $_GET['id_file'] . '&confirm=1', 'index.php?modname=course&op=infocourse') . '</div>', 'content');
}
}
function upitem()
{
//checkPerm('view', false, 'storage');
require_once _base_ . '/lib/lib.upload.php';
$back_url = urldecode($_POST['back_url']);
//scanning title
if (trim($_POST['title']) == "") {
$_POST['title'] = Lang::t('_NOTITLE', 'item', 'lms');
}
//save file
if ($_FILES['attach']['name'] != '') {
$path = '/appLms/' . Get::sett('pathlesson');
// retrive and delte ld file --------------------------------------------------
list($old_file) = sql_fetch_row(sql_query("\r\n\t\tSELECT path \r\n\t\tFROM " . $GLOBALS['prefix_lms'] . "_materials_lesson \r\n\t\tWHERE idLesson = '" . (int) $_POST['idItem'] . "'"));
$size = Get::file_size($GLOBALS['where_files_relative'] . $path . $old_file);
if (!sl_unlink($path . $old_file)) {
sl_close_fileoperations();
$_SESSION['last_error'] = Lang::t('_OPERATION_FAILURE', 'item', 'lms');
Util::jump_to($back_url . '&id_lo=' . (int) $_POST['idItem'] . '&mod_result=0');
}
$GLOBALS['course_descriptor']->subFileToUsedSpace(false, $size);
// control course quota ---------------------------------------------------
$quota = $GLOBALS['course_descriptor']->getQuotaLimit();
$used = $GLOBALS['course_descriptor']->getUsedSpace();
if (Util::exceed_quota($_FILES['attach']['tmp_name'], $quota, $used)) {
$_SESSION['last_error'] = Lang::t('_QUOTA_EXCEDED');
Util::jump_to($back_url . '&create_result=0');
}
// save new file ------------------------------------------------------------
sl_open_fileoperations();
$savefile = $_SESSION['idCourse'] . '_' . mt_rand(0, 100) . '_' . time() . '_' . $_FILES['attach']['name'];
if (!file_exists($GLOBALS['where_files_relative'] . $path . $savefile)) {
if (!sl_upload($_FILES['attach']['tmp_name'], $path . $savefile)) {
sl_close_fileoperations();
$_SESSION['last_error'] = Lang::t('_ERROR_UPLOAD', 'item', 'lms');
Util::jump_to($back_url . '&id_lo=' . (int) $_POST['idItem'] . '&mod_result=0');
}
sl_close_fileoperations();
} else {
$_SESSION['last_error'] = Lang::t('_ERROR_UPLOAD', 'item', 'lms');
Util::jump_to($back_url . '&id_lo=' . (int) $_POST['idItem'] . '&mod_result=0');
}
$new_file = ", path = '" . $savefile . "'";
}
$insert_query = "\r\n\tUPDATE " . $GLOBALS['prefix_lms'] . "_materials_lesson \r\n\tSET author = '" . getLogUserId() . "',\r\n\t\ttitle = '" . $_POST['title'] . "',\r\n\t\tdescription = '" . $_POST['description'] . "'\r\n\t\t{$new_file}\r\n\tWHERE idLesson = '" . (int) $_POST['idItem'] . "'";
if (!sql_query($insert_query)) {
sl_unlink($path . $savefile);
$_SESSION['last_error'] = Lang::t('_OPERATION_FAILURE', 'item', 'lms');
Util::jump_to($back_url . '&id_lo=' . (int) $_POST['idItem'] . '&mod_result=0');
}
if (isset($_SESSION['idCourse']) && defined("LMS")) {
$GLOBALS['course_descriptor']->addFileToUsedSpace($GLOBALS['where_files_relative'] . $path . $savefile);
require_once $GLOBALS['where_lms'] . '/class.module/track.object.php';
Track_Object::updateObjectTitle($_POST['idItem'], 'item', $_POST['title']);
}
Util::jump_to($back_url . '&id_lo=' . (int) $_POST['idItem'] . '&mod_result=1');
}