ProjectLaravel/app/Http/Controllers/StaffController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Models\Staff;

class StaffController extends Controller
{
    public function getAll(Request $request){
        $routes  = Route::all();
        return view("route", array("routes" => $routes));
    }
    public function createNew(Request $request) {
        $data = $request->validate(["lastname" => "required|max:255",
        "firstname" => "required|max:255",
        "middlename" => "required|max:255",
        "position_id" => "required",
        "air_time" => "required|date_format:H:i",
        "passport_data" => "required|min:10|max:10",
        "phone" => "required|max:15",
        "birth_date" => "required|date_format:Y-m-d",
        "address" => "required|max:255"]);

        if (!isset($data['in_flight'])) 
            $data['in_flight'] = 1;
        else
            $data['in_flight'] = 0;
        $new_route = Staff::create($data);
        return $this->getAll($request);
    }
}