121 lines
3.4 KiB
PHP
121 lines
3.4 KiB
PHP
<?php
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namespace App\Models;
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use App\Events\UploadFile;
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use App\Http\Requests\Request;
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use Illuminate\Database\Eloquent\Model;
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use Illuminate\Support\Facades\Auth;
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use Illuminate\Support\Facades\Event;
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use Symfony\Component\HttpFoundation\File\File as SymphonyFile;
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use Symfony\Component\HttpFoundation\File\UploadedFile;
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/**
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* Class File
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*/
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class File extends Model
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{
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/**
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* Hash algorithm used for hashing file
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*/
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const HASH_ALGORITHM = 'sha256';
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/**
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* @var bool $timstamps have created_at and updated_at fields
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*/
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public $timestamps = true;
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protected $fillable = [
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'filename',
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'original_filename',
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'description',
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'keywords',
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'directory'
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];
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protected $guarded = [];
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/**
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* Getter for filename of uploaded file.
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*
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* This filename is used for localy stored file.
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*
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* @param UploadedFile $file
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*
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* @return string
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*/
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public function getFilename(UploadedFile $file)
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{
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return uniqid() . '.' . $file->getClientOriginalExtension();
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}
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/**
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* Saves file into FS and creates new record in database
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*
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* @param UploadedFile $file
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* @param Request $request
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*
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* @return array associative array - key 'file' is type of SymphonyFile and contains info about real file, key 'id'
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* is ID of row in files table
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*/
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public function upload(UploadedFile $file, Request $request)
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{
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$destination = config('app.upload_path');
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$filename = $this->getFilename($file);
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// save file into physical location (local FS)
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$uploadedFile = $file->move($destination, $filename);
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// insert record into database
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$id = $this->saveIntoDatabase($uploadedFile, $request, $file->getClientOriginalName());
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// fire event about new file
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Event::fire(new UploadFile($uploadedFile, $id));
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return [
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'filename' => $filename,
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'file' => $file,
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'id' => $id
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];
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}
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/**
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* Save file into database
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*
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* This file saves new record into database. It also calculates hash of given file, obtains MIME type etc.
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*
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* @param SymphonyFile $file
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* @param Request $request
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* @param $originalFilename
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*
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* @return mixed
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*/
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protected function saveIntoDatabase(SymphonyFile $file, Request $request, $originalFilename)
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{
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// get path and hash of uploaded file
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$path = config('app.upload_path') . DIRECTORY_SEPARATOR . $file->getFilename();
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$hash = hash_file(self::HASH_ALGORITHM, $path);
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// define mandatory fields
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$newFile = new File();
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$newFile->user_id = Auth::user()->id;
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$newFile->filename = $file->getFilename();
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$newFile->original_filename = $originalFilename;
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$newFile->file_hash = $hash;
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$newFile->hash_algorithm = self::HASH_ALGORITHM;
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$newFile->mime_type = $file->getMimeType();
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$newFile->file_size = $file->getSize();
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// save optional fields
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$optionalFields = ['description', 'keywords', 'directoryId'];
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foreach ($optionalFields as $field) {
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if ($request->has($field)) {
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$snakeField = snake_case($field);
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$newFile->$snakeField = $request->$field;
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}
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}
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// create new database row
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$newFile->save();
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return $newFile->id;
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}
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} |