/*
 * MIT License
 *
 * Copyright (c) 2020-present Cloudogu GmbH and Contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
    
package sonia.scm.repository.util;

import org.apache.shiro.SecurityUtils;
import org.apache.shiro.subject.Subject;
import sonia.scm.repository.Person;
import sonia.scm.user.User;

public class AuthorUtil {

  public static void setAuthorIfNotAvailable(CommandWithAuthor request) {
    if (request.getAuthor() == null) {
      request.setAuthor(createAuthorFromSubject());
    }
  }

  private static Person createAuthorFromSubject() {
    Subject subject = SecurityUtils.getSubject();
    User user = subject.getPrincipals().oneByType(User.class);
    String name = user.getDisplayName();
    String email = user.getMail();
    return new Person(name, email);
  }

  public interface CommandWithAuthor {
    Person getAuthor();

    void setAuthor(Person person);
  }
}
