/**
* Get and check the current file path
*
* @param FileManager $file_manager
* @throws \Exception when the file name is empty while there is a target file or when the file is invalid
* @return bool|string
*/
public function getFilePath(FileManager $file_manager)
{
$current_file = $file_manager->getCurrentFile();
$target_file = $file_manager->getTargetFile();
if ($current_file->getFilename() == "" && !is_null($target_file->getFilename())) {
throw new \Exception("Filename cannot be empty when there is a target file");
}
$root = $file_manager->getUploadPath();
$dir_path = $file_manager->getDirPath();
if (empty($dir_path)) {
$dir = $root;
} else {
if (strcasecmp("../", $dir_path) >= 1) {
throw new \Exception("Invalid filepath or filename");
}
$dir = $this->getFileManager()->DirTrim($root, $dir_path, true);
}
try {
$file_manager->checkPath($dir);
if (!is_null($target_file)) {
$file_manager->checkPath($target_file->getFilepath(true));
}
} catch (\Exception $e) {
throw new \Exception($e->getMessage(), $e->getCode());
}
return $dir;
}
/**
* Set the locations where the file is used in an array.
*
* This function requires a class that is set in the config with the function returnUsages.
*
* @param FileManager $file_manager
*/
public function setUsages(FileManager $file_manager)
{
$usages = array();
$usage_class = $file_manager->getUsagesClass();
if ($usage_class != false) {
/** @var mixed $usage_object */
$usage_object = new $usage_class();
$usages_result = $usage_object->returnUsages($this->getFilepath(true));
if (!empty($usages_result)) {
$usages = $usages_result;
}
}
$this->usages = count($usages);
}
