Route::get('home/account/email', ['middleware' => ['auth', 'isVerified'], 'uses' => 'AuthChangeEmailController@showForm'])->name('home.account.email');

Route::post('home/account/email_save', ['middleware' => ['auth', 'isVerified'], 'uses' => 'AuthChangeEmailController@saveForm'])->name('home.account.email_save');

Route::get('home/account/email_set/{token}', ['middleware' => ['auth', 'isVerified'], 'uses' => 'AuthChangeEmailController@emailSet'])->name('home.account.email_set');

public function saveForm(Request $request, ChangeEmailContract $changeEmailService)
    {
        $user = Auth::user();

        $rules = [
            'email' => 'required|email|unique:users',
            'password' => 'required|checkpassword:'.$user->email,
        ];

        $messages = [
            'email.required' => 'Please enter an email address',
            'email.email' => 'Please enter a valid email address',
            'email.unique' => 'This e-mail is already taken. ',
            'password.required' => 'Please enter your password',
            'password.checkpassword' => 'Your enter wrong password',

        ];


        Validator::make($request::all(), $rules, $messages)->validate();

        $changeEmailService->sendChangeEmailMail($user, Request::get('email'));

        return redirect()->route('home')->with('status', "Confirmation change E-mail link send to ".Request::get('email'));
    }

    public function emailSet($token, ChangeEmailContract $changeEmailService)
    {
        $email = Request::get('email');

        try {
           $user = $changeEmailService->setEmail($token, $email);
        }
        catch (AppExceptionsChangeEmailNotFoundException $e) {
            return redirect()->route('home')
                ->with('status', $e->getMessage());
        }

        Auth::login($user);

        return redirect()->route('home')
            ->with('status', 'You successfully activated your new email!');
    }

namespace AppServicesAuth;

use AppModelsUser;
use AppContractsAuthChangeEmailContract;
use AppContractsAuthChangeEmailRepositoryContract;
use AppExceptionsChangeEmailNotFoundException;
use IlluminateMailMailer;
use IlluminateMailMessage;

class ChangeEmailService implements ChangeEmailContract
{

    protected $mailer;

    protected $changeEmailRepo;

    public function __construct(ChangeEmailRepositoryContract $changeEmailRepo)
    {
       $this->changeEmailRepo = $changeEmailRepo;
    }

    public function sendChangeEmailMail($user, $email)
    {
        $token = $this->changeEmailRepo->createEmailChange($user, $email);

        Mail::to($email)->send(
            new AppMailChangeEmail(array(
                'email' => $email,
                'token' => $token,
            ))
        );
    }

    public function setEmail($token, $email)
    {
        $changeEmail = $this->changeEmailRepo->getChangeEmailByTokenAndEmail($token, $email);

        if ($changeEmail === null) {
            throw new ChangeEmailNotFoundException();
        }

        $user = User::find($changeEmail->user_id);

        if (!$user) {
            throw new ChangeEmailNotFoundException();
        }

        $user->email = $email;

        $user->save();

        $this->changeEmailRepo->deleteChangeEmail($token);

        return $user;

    }

}

namespace AppRepositoriesAuth;

use AppContractsAuthChangeEmailRepositoryContract;
use AppModelsEmailChange;
use CarbonCarbon;
use IlluminateDatabaseConnection;
use IlluminateSupportFacadesDB;


class ChangeEmailRepository implements ChangeEmailRepositoryContract
{
    public function createEmailChange($user, $email)
    {
        $email_change = $this->getEmailChange($user);

        if (!$email_change) {
            return $this->createEmailChangeRecord($user, $email);
        }

        return $this->updateEmailChangeRecord($user, $email);

    }

    public function getEmailChange($user)
    {
        return EmailChange::where('user_id', $user->id)->first();
    }

    public function getChangeEmailByTokenAndEmail($token, $email)
    {
        return EmailChange::where(array('token' => $token, 'email' => $email))->first();
    }

    public function deleteChangeEmail($token)
    {
        EmailChange::where('token', $token)->delete();
    }

    private function updateEmailChangeRecord($user, $email)
    {
        $token = $this->getToken();

        EmailChange::where('user_id', $user->id)->update([
            'token' => $token,
            'email' => $email,
            'created_at' => new Carbon()
        ]);

        return $token;
    }

    private function getToken()
    {
        return hash_hmac('sha256', str_random(40), config('app.key'));
    }

    private function createEmailChangeRecord($user, $email)
    {
        $token = $this->getToken();

        EmailChange::insert([
            'user_id' => $user->id,
            'token' => $token,
            'email' => $email,
            'created_at' => new Carbon()
        ]);

        return $token;
    }
}

namespace AppModels;

use IlluminateDatabaseEloquentModel;

class EmailChange extends Model
{
    protected $table = 'email_change';

    public function user()
    {
        return $this->belongsTo(User::class);
    }

}

namespace AppModels;

use IlluminateNotificationsNotifiable;
use AppNotificationsCustomResetPassword;
use IlluminateFoundationAuthUser as Authenticatable;
use PlunkMediable;
class User extends Authenticatable
{
    use Notifiable;
    use PlankMediableMediable;

    protected $fillable = [
        'name', 'email', 'password',
    ];

    protected $hidden = [
        'password', 'remember_token',
    ];

    public function sendPasswordResetNotification($token)
    {

        $this->notify(new CustomResetPassword($token));
    }
}

namespace AppProvidersAuth;

use IlluminateSupportServiceProvider;

class ChangeEmailProvider extends ServiceProvider
{
    protected $defer = false;

    public function register()
    {

        $this->app->bind('AppContractsAuthChangeEmailContract', function ($app) {

            return new AppServicesAuthChangeEmailService(
               $app -> make("AppContractsAuthChangeEmailRepositoryContract")
            );
        });

    }

    public function provides()
    {
        return ['AppContractsAuthChangeEmailContract'];

    }

    public function boot()
    {


    }
}


namespace AppProvidersAuth;

use IlluminateSupportServiceProvider;

class ChangeEmailRepositoryProvider extends ServiceProvider
{
    protected $defer = false;

    public function register()
    {
        $this->app->bind('AppContractsAuthChangeEmailRepositoryContract', function ($app) {
            return new AppRepositoriesAuthChangeEmailRepository();
        });
    }

    public function provides()
    {
        return ['AppContractsAuthChangeEmailRepositoryContract'];

    }

    public function boot()
    {

    }
}