UserController

public function profileSubmit(Request $request)
    {
      if($request->hasFile('avatar')){

          $avatar = $request->file('avatar');
          $filename = time().'.'.$avatar->getClientOriginalExtension();
          Image::make($avatar)->resize(300,300)->save( public_path('/uploads/avatars/'.$filename));

          $user = Auth::user();
          $user->name = $request->name;
          $user->email = $request->email;
          $user->password = bcrypt($request->password);
          $user->alamat = $request->alamat;
          $user->avatar = $filename;
          $user->save();
      }
      else
      {
          $user = Auth::user();
          $user->name = $request->name;
          $user->email = $request->email;
          $user->password = bcrypt($request->password);
          $user->alamat = $request->alamat;
          $user->save();
      }

      return redirect()->route('user.dashboard');
    }