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<?php |
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namespace App\Domains; |
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use Illuminate\Support\Facades\Log; |
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use Illuminate\Support\Facades\Auth; |
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use Illuminate\Support\Facades\Storage; |
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use Illuminate\Http\UploadedFile; |
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use App\Files; |
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use Pion\Laravel\ChunkUpload\Receiver\FileReceiver; |
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use Pion\Laravel\ChunkUpload\Handler\HandlerFactory; |
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class FilesDomain |
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{ |
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protected $receiver, $path, $fileID; |
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// Constructor will set a default path location in the event one is not set through child class |
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public function __construct() |
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{ |
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$this->path = config('filesystems.paths.default'); |
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} |
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// Process a file chunk |
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protected function processFileChunk($data) |
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{ |
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$this->receiver = new FileReceiver('file', $data, HandlerFactory::classFromRequest($data)); |
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$save = $this->receiver->receive(); |
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if($save->isFinished()) |
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{ |
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$fileID = $this->saveFile($save->getFile()); |
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return $fileID; |
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} |
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return false; |
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} |
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// Save a file after it has been uploaded |
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protected function saveFile(UploadedFile $file) |
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{ |
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$fileName = $this->cleanFilename($file->getClientOriginalName()); |
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$fileName = $this->isFileDup($fileName); |
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$file->storeAs($this->path, $fileName); |
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// Place file in Files table of DB |
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$newFile = Files::create([ |
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'file_name' => $fileName, |
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'file_link' => $this->path.DIRECTORY_SEPARATOR |
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]); |
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$user = isset(Auth::user()->full_name) ? Auth::user()->full_name : \Request::ip(); |
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Log::info('New file stored in database by '.$user.'. File Data - ', array($newFile)); |
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return $newFile->file_id; |
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} |
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// Try to delete a file - note this will fail if it is still in use |
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protected function deleteFile($fileID) |
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{ |
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try |
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{ |
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// Try to delete file from database - will throw error if foreign key is in use |
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$fileData = Files::find($fileID); |
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$fileLink = $fileData->file_link.$fileData->file_name; |
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$fileData->delete(); |
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} |
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catch(\Illuminate\Database\QueryException $e) |
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{ |
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// Unable to remove file from the database |
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Log::warning('Attempt to delete file failed. Reason - '.$e.'. Additional File Data - ', ['file_id' => $fileID, 'file_name' => $fileLink, 'user_id' => Auth::user()->user_id]); |
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return false; |
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} |
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// Delete the file from the storage system |
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Storage::delete($fileLink); |
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Log::notice('File deleted by '.Auth::user()->full_name.'. File Information - ', ['file_id' => $fileID, 'file_name' => $fileLink, 'user_id' => Auth::user()->user_id]); |
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return true; |
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} |
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// Clean a file name to remove any spaces |
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protected function cleanFilename($name) |
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{ |
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// Remove all spaces |
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$fileName = str_replace(' ', '_', $name); |
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Log::debug('Cleaning filename. Old name - '.$name.'. New Name - '.$fileName); |
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return $fileName; |
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} |
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// Determine if the already exists and should be appended |
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protected function isFileDup($fileName) |
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{ |
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// Determine if the filename already exists |
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if (Storage::exists($this->path . DIRECTORY_SEPARATOR . $fileName)) |
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{ |
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$fileParts = pathinfo($fileName); |
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$extension = isset($fileParts['extension']) ? ('.' . $fileParts['extension']) : ''; |
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// Look to see if a number is already appended to a file. (example - file(1).pdf) |
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if (preg_match('/(.*?)(\d+)$/', $fileParts['filename'], $match)) |
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{ |
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// Has a number, increment it |
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$base = $match[1]; |
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$number = intVal($match[2]); |
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} |
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else |
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{ |
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// No number, add one |
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$base = $fileParts['filename']; |
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$number = 0; |
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} |
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// Increase the number until one that is not in use is found |
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do |
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{ |
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$fileName = $base . '(' . ++$number . ')' . $extension; |
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} while (Storage::exists($this->path.DIRECTORY_SEPARATOR.$fileName)); |
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} |
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return $fileName; |
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} |
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// When multiple files are uploaded at once, they are placed in a temporary location. This moves them to the final folder |
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protected function moveFile($newPath, $fileID) |
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{ |
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$data = Files::find($fileID); |
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// Move the file to the proper folder |
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try{ |
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Log::debug('Attempting to moving file '.$fileID.' to '.$newPath); |
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Storage::move($data->file_link.$data->file_name, $newPath.DIRECTORY_SEPARATOR.$data->file_name); |
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} |
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catch(\Exception $e) |
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{ |
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report($e); |
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return false; |
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} |
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Log::info('Moved file '.$data->file_name.'from '.$data->file_link.' to new location - '.$newPath.'. File Details - ', array($data)); |
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// Update file link in DB |
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$data->update([ |
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'file_link' => $newPath.DIRECTORY_SEPARATOR |
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]); |
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return true; |
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} |
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} |
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butcherman /
Tech_Bench
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