72 lines
1.9 KiB
PHP
72 lines
1.9 KiB
PHP
<?php
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namespace App\Service\Storage;
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use Illuminate\Support\Str;
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/**
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* Used
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* File can have 2 formats:
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* - file_name-{uuid}.{ext}
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* - {uuid}
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*/
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class StorageFileNameParser
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{
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public ?string $uuid = null;
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public ?string $fileName = null;
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public ?string $extension = null;
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public function __construct(string $fileName)
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{
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$this->parseFileName($fileName);
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}
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/**
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* If we have parsed a file name and an extension, we keep the same and append uuid to avoid collisions
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* Otherwise we just return the uuid
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* @return string
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*/
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public function getMovedFileName(): ?string
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{
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if ($this->fileName && $this->extension) {
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$fileName = substr($this->fileName, 0, 50).'_'.$this->uuid.'.'.$this->extension;
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$fileName = preg_replace('#\p{C}+#u', '', $fileName); // avoid CorruptedPathDetected exceptions
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return mb_convert_encoding($fileName, 'UTF-8', 'UTF-8');
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}
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return $this->uuid;
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}
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private function parseFileName(string $fileName)
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{
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if (Str::isUuid($fileName)) {
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$this->uuid = $fileName;
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return;
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}
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if (!str_contains($fileName, '_')) {
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return;
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}
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$candidateString = substr($fileName, strrpos($fileName, '_') + 1);
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if (!str_contains($candidateString, '.')
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|| !Str::isUuid(substr($candidateString, 0, strpos($candidateString, '.')))) {
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return;
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}
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try {
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$this->uuid = substr($candidateString, 0, strpos($candidateString, '.'));
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$this->fileName = substr($fileName, 0, strrpos($fileName, '_'));
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// get everything after the last dot
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$this->extension = substr($candidateString, strrpos($candidateString, '.') + 1);
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} catch (\Exception $e) {
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return;
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}
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}
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public static function parse(string $fileName): self
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{
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return new self($fileName);
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}
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}
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