public function postChangeAvatar()
    {
        // Fields to be validated.
        $fields     = array('avatar');
        $inputs     = array('avatar' => Input::file('avatar'));

        if ( ! UserForm::is_valid($fields))
        {
            return Redirect::to('hesap/avatar')->withErrors(UserForm::$validation);
        }

        $file = Input::file('avatar');
        // File info...
        $file_name  = $file->getClientOriginalName();
        $file_ext   = $file->getClientOriginalExtension();
        $salt_name  = str_replace($file_ext, '', $file_name);

        $sanitized  = Str::slug($salt_name) . '.' . $file_ext;

        $path       = 'img/avatars/' . Str::lower($this->user->username);

        if (Str::length($sanitized) <= 60)
        {
            // Remove the folder, even if it's empty.
            // (This is to check a folder shouldn't have more than one file)
            File::cleanDirectory($path);
            // Now, upload the avatar.
            $file->move($path, $sanitized);
            // Create a smaller version of the avatar.
            if (! File::isDirectory($path . '/small/')) File::makeDirectory($path . '/small/');

            Image::make($path . '/' . $sanitized)->resize(70, 70)->save($path . '/small/' . $sanitized);
            // Update the user's avatar path in the database.
            $this->user->avatar = $sanitized;
            $this->user->save();
            // Return feedback.
            $data['user_stuff']     = '<div class="feedback success">Avatar güncellendi.</div>';
        }
        else
        {
            $data['user_stuff']     = '<div class="feedback error">Dosya ismi çok uzun.</div>';
        }

        $this->layout->pageTitle    = 'Proje :: Hesap Ayarları';
        $this->layout->content  = View::make('templates.user.account', $data);
    }