70 lines
1.8 KiB
PHP
70 lines
1.8 KiB
PHP
<?php
|
|
|
|
namespace App\Service\Storage;
|
|
|
|
use Illuminate\Support\Str;
|
|
|
|
/**
|
|
* Used
|
|
* File can have 2 formats:
|
|
* - file_name-{uuid}.{ext}
|
|
* - {uuid}
|
|
*/
|
|
class StorageFileNameParser
|
|
{
|
|
public ?string $uuid = null;
|
|
public ?string $fileName = null;
|
|
public ?string $extension = null;
|
|
|
|
public function __construct(string $fileName)
|
|
{
|
|
$this->parseFileName($fileName);
|
|
}
|
|
|
|
/**
|
|
* If we have parsed a file name and an extension, we keep the same and append uuid to avoid collisions
|
|
* Otherwise we just return the uuid
|
|
* @return string
|
|
*/
|
|
public function getMovedFileName(): ?string
|
|
{
|
|
if ($this->fileName && $this->extension) {
|
|
return substr($this->fileName,0,50).'_'.$this->uuid.'.'.$this->extension;
|
|
}
|
|
return $this->uuid;
|
|
}
|
|
|
|
private function parseFileName(string $fileName)
|
|
{
|
|
if (Str::isUuid($fileName)) {
|
|
$this->uuid = $fileName;
|
|
return;
|
|
}
|
|
|
|
if (!str_contains($fileName, '_')) {
|
|
return;
|
|
}
|
|
|
|
$candidateString = substr($fileName, strrpos($fileName, '_') + 1);
|
|
if (!str_contains($candidateString, '.')
|
|
|| !Str::isUuid(substr($candidateString, 0, strpos($candidateString, '.')))) {
|
|
return;
|
|
}
|
|
|
|
try {
|
|
$this->uuid = substr($candidateString, 0, strpos($candidateString, '.'));
|
|
$this->fileName = substr($fileName, 0, strrpos($fileName, '_'));
|
|
// get everything after the last dot
|
|
$this->extension = substr($candidateString, strrpos($candidateString, '.') + 1);
|
|
} catch (\Exception $e) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
public static function parse(string $fileName): self
|
|
{
|
|
return new self($fileName);
|
|
}
|
|
|
|
}
|