BookDAO.java

//
// Copyright 2009 Robin Komiwes, Bruno Verachten, Christophe Cordenier
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// 	http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

package com.wooki.domain.dao;

import java.util.List;

import com.wooki.domain.model.Book;

/**
 * DAO in charge of the Book
 * 
 * @author ccordenier
 */
public interface BookDAO extends GenericDAO<Book, Long>
{

    /**
     * @param title
     * @return
     */
    Book findBookBySlugTitle(String title);

    /**
     * List book with similar title.
     * 
     * @param title
     * @return
     */
    List<Book> listByTitle(String title);

    /**
     * List the book own by one author
     * 
     * @param id
     * @return
     */
    List<Book> listByOwner(Long id);

    /**
     * List all the book on which a user has worked.
     * 
     * @param id
     * @return
     */
    List<Book> listByCollaborator(Long id);

    /**
     * Verify if an author owns a book. An author has lesser privileges than the owner.
     * 
     * @return
     */
    boolean isAuthor(Long bookId, String username);

    /**
     * Check if the user is owner of the book, this will allow him to modify book settings and list
     * of authors.
     * 
     * @param bookId
     * @param username
     * @return
     */
    boolean isOwner(Long bookId, String username);
}