tethys/app/Http/Controllers/Settings/FileController.php

<?php
namespace App\Http\Controllers\Settings;

use App\Http\Controllers\Controller;
// use Illuminate\View\View;
// use Illuminate\Http\Request;
use App\Models\File;

class FileController extends Controller
{
    public function download($id)
    {
        //$report = $this->report->find($id);
        $file = File::findOrFail($id);
        $file_path = public_path('storage/' . $file->path_name);
        $ext = \Illuminate\Support\Facades\File::extension($file_path);
        // return response()
        //     ->download(
        //         $file_path,
        //         $file->label . "." . $ext,
        //         ['Content-Type:' . $file->mime_type],
        //         'inline'
        //     );

        $pdf = $file->label . "." . $ext;
        $download_file = \Illuminate\Support\Facades\File::get($file_path);
        return response()->file($file_path, [
            'Cache-Control' => 'no-cache private',
                'Content-Description' => 'File Transfer',
                'Content-Type' => $file->mime_type,
                'Content-length' => strlen($download_file),
                'Content-Disposition' => 'inline; filename=' . $pdf,
                'Content-Transfer-Encoding' => 'binary'
                ]);
        // return response()->download($file_path, $file->label, ['Content-Type:' . $file->mime_type]);
    }
}