@RequestMapping(value = "/book/update", method = RequestMethod.POST)
public ModelAndView doUpdate(Book book) {
if (bookService.getBookByIsbn(book.getIsbn()) == null) {
return getErrorView("This book is not exist.");
}
return saveBook(book);
}
@RequestMapping(value = "/book/add", method = RequestMethod.POST)
public ModelAndView doAdd(Book book) {
if (bookService.getBookByIsbn(book.getIsbn()) != null) {
return getErrorView("This Book is exist.");
}
return saveBook(book);
}
@RequestMapping(value = "/book/delete/{isbn}", method = RequestMethod.GET)
public ModelAndView delete(@PathVariable String isbn) {
if (bookService.getBookByIsbn(isbn) == null) {
return getErrorView("This book is not exist");
}
bookService.delete(isbn);
ModelAndView modelAndView = new ModelAndView("books");
modelAndView.getModel().put("books", bookService.findAll());
return modelAndView;
}
@RequestMapping(value = "/book/update/{isbn}", method = RequestMethod.GET)
public ModelAndView update(@PathVariable String isbn) {
Book book = bookService.getBookByIsbn(isbn);
if (book == null) {
return getErrorView("This book is not exist.");
}
ModelAndView modelAndView = new ModelAndView("updateBook");
modelAndView.getModel().put("book", book);
return modelAndView;
}