예제 #1
0
  @Transactional
  public List<ReadingHistory> getUserReadingHistorys(User user) {

    List<ReadingHistory> list = new ArrayList<ReadingHistory>();

    if (user != null) {
      int effectRows = this.rhDao.deleteReadingHistoryBooksByUserid(user.getUserid());
      // 清除历史数据成功
      if (effectRows >= 1) {
        log.info("清除用户:" + user.getUsername() + "历史阅读数据");
      }
      // 不管取到有没有值,都会返回list的实例对象,只不过有可能是空的
      list = rhDao.findReadingHistoryBookByUserid(user.getUserid());
    }
    return list;
  }
예제 #2
0
@Service
public class ReadingHistoryService implements Serializable {

  /** */
  private static final long serialVersionUID = -5349990569168253452L;

  private static Logger log = Logger.getLogger(ReadingHistoryService.class);

  @Resource private ReadingHistoryDao rhDao;

  @Resource private BookDao bookDao;

  @Transactional
  public List<ReadingHistory> getUserReadingHistorys(User user) {

    List<ReadingHistory> list = new ArrayList<ReadingHistory>();

    if (user != null) {
      int effectRows = this.rhDao.deleteReadingHistoryBooksByUserid(user.getUserid());
      // 清除历史数据成功
      if (effectRows >= 1) {
        log.info("清除用户:" + user.getUsername() + "历史阅读数据");
      }
      // 不管取到有没有值,都会返回list的实例对象,只不过有可能是空的
      list = rhDao.findReadingHistoryBookByUserid(user.getUserid());
    }
    return list;
  }

  @Transactional
  public List<Book> getUserBooks(User user) {

    List<Book> books = new ArrayList<Book>();

    if (user == null) {
      return books;
    }

    List<ReadingHistory> list = this.getUserReadingHistorys(user);
    for (ReadingHistory r : list) {
      books.add(this.bookDao.findBookByBookid(r.getBookid()));
    }

    return books;
  }

  @Transactional
  public List<ReadingHistoryBook> getUserReadingHistoryBooks(User user) {
    List<ReadingHistoryBook> readHistoryBooks = new ArrayList<ReadingHistoryBook>();
    if (user == null) {
      return readHistoryBooks;
    }
    List<ReadingHistory> list = this.getUserReadingHistorys(user);
    for (ReadingHistory r : list) {

      ReadingHistoryBook rhBook = new ReadingHistoryBook();
      Book b = this.bookDao.findBookByBookid(r.getBookid());

      rhBook.setBook(b);
      rhBook.setReadingHistory(r);

      readHistoryBooks.add(rhBook);
    }
    return readHistoryBooks;
  }

  @Transactional
  public int addReadingHistoryBook(ReadingHistory readingHistory) {

    if (readingHistory == null) {
      return 0;
    }
    return this.rhDao.insertReadingHistoryBook(readingHistory);
  }

  public int getReadingHistoryCount(String userid, String bookid) {

    return this.rhDao.findAllReadCount(userid, bookid);
  }
}