c3lf-system-3/app/Http/Controllers/FileController.php

<?php

namespace App\Http\Controllers;

use App\File;
use Illuminate\Http\Request;

class FileController extends Controller
{

    public function showAllFiles()
    {
        return response()->json(File::all());
    }

    public function showOneFile($id)
    {
        return response()->json(File::find($id));
    }

    public function create(Request $request)
    {
        $file = File::create($request->only(['data','iid']));
        return response()->json($file, 201);
    }

    public function delete($id)
    {
        File::findOrFail($id)->delete();
        return response('Deleted Successfully', 200);
    }
}