Generate unique username in Laravel

• Generate unique username from user's name while creating user in Laravel

  //routes\web.php
  Auth::routes();
  
  //app\Models\User.php
  use Illuminate\Support\Str;
  
  protected $fillable = [
      'name',
      'email',
      'password',
      'username'
  ];
  
  public function generateUserName($name){
      $username = Str::lower(Str::slug($name));
      if(User::where('username', '=', $username)->exists()){
          $uniqueUserName = $username.'-'.Str::lower(Str::random(4));
          $username = $this->generateUserName($uniqueUserName);
      }
      return $username;
  }
  
  //app\Http\Controllers\Auth\RegisterController.php
  protected function create(array $data)
  {
  
      $userObject = New User;
      $userName = $userObject->generateUserName($data['name']);
  
      return User::create([
          'name' => $data['name'],
          'email' => $data['email'],
          'password' => Hash::make($data['password']),
          'username'=>$userName,
      ]);
  }
  
  //Create a username column in the users table.
  ALTER TABLE `users`  ADD `username` VARCHAR(200) NOT NULL  AFTER `remember_token`;
  

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