usercontroller

<?php

namespace App\Http\Controllers;

use App\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Session;

class UserController extends Controller
{
    public function index()
    {
    	if(!Session::get('login')){
            return redirect('login')->with('alert','Kamu harus login dulu');
        }
        else{
            return view('user');
        }
    }

    public function login()
    {
    	return view ('login');
    }

    public function loginPost(Request $request)
    {
    	$username = $request->username;
        $password = $request->password;

        $data = User::where('username',$username)->first();
        if(count($data) > 0){ //apakah username tersebut ada atau tidak
        	if(Hash::check($password,$data->password))
        	{
                Session::put('username',$data->username);
                Session::put('login',TRUE);
                return redirect('home_user');
            }
        	else
        	{
                return redirect('login')->with('alert','Password atau Username, Salah !'.Hash::check($password,$data->password));
            }
        }
        else
        {
        	return redirect('login')->with('alert','Password atau Email, Salahaa!');
        }
    }

    public function logout()
    {
    	Session::flush();
        return redirect('login')->with('alert','Kamu sudah logout');
    }

    public function register()
    {
    	return view ('register');
    }

    public function registerPost(Request $request)
    {
    	$this->validate($request, [
            'username' => 'required|username|unique:users',
            'password' => 'required',
            'confirmation' => 'required|same:password',
        ]);

        $data =  new User();
        $data->username = $request->username;
        $data->password = bcrypt($request->password);
        $data->save();
        return redirect('login')->with('alert-success','Kamu berhasil Register');
    }
}