def search():
"""
Request Response Http请求头 POST内容
"""
# 注意, request是通过http请求触发的才会有正确的值;
form = SearchForm(request.args)
books = BookCollection()
if form.validate():
q = form.q.data.strip() # 去掉前后空格
page = form.page.data
isbn_or_key = is_isbn_or_key(q)
yushu_book = YushuBook()
if isbn_or_key == 'isbn':
yushu_book.serch_by_isbn(q)
else:
yushu_book.serch_by_keyword(q, page)
books.fill(yushu_book, q)
return json.dumps(books, default=lambda obj: obj.__dict__)
else:
flash('搜索关键字格式不合要求,请重新输入')
# return jsonify(form.errors)
return render_template('search_result.html', books=books)
def book_detail(isbn):
yushu_book = YushuBook()
yushu_book.serch_by_isbn(isbn)
book = BookViewModel(yushu_book.first)
has_in_gifts = False
has_in_wishes = False
if current_user.is_authenticated:
# 如果未登录，current_user将是一个匿名用户对象
if Gift.query.filter_by(uid=current_user.id, isbn=isbn,
launched=False).first():
has_in_gifts = True
if Wish.query.filter_by(uid=current_user.id, isbn=isbn,
launched=False).first():
has_in_wishes = True
trade_gifts = Gift.query.filter_by(isbn=isbn, launched=False).all()
trade_wishes = Wish.query.filter_by(isbn=isbn, launched=False).all()
trade_wishes_model = TradeInfo(trade_wishes)
trade_gifts_model = TradeInfo(trade_gifts)
return render_template('book_detail.html', book=book, has_in_gifts=has_in_gifts,
has_in_wishes=has_in_wishes,
wishes=trade_wishes_model,
gifts=trade_gifts_model)
def can_saveto_list(self, isbn):
if is_isbn_or_key(isbn) != 'isbn':
return False
yushu_book = YushuBook()
yushu_book.serch_by_isbn(isbn)
if not yushu_book.first:
return False
# 不允许同一用户同时赠送多本相同图书
gifting = Gift.query.filter_by(uid=self.id, isbn=isbn,
launched=False).first()
# 一个用户不能同时成为赠送者和索要者
wishing = Wish.query.filter_by(uid=self.id, isbn=isbn,
launched=False).first()
# 既不在赠送清单,又不在心愿清单才能添加
if not gifting and not wishing:
return True
else:
return False
def book(self):
yushu_book = YushuBook()
yushu_book.serch_by_isbn(self.isbn)
return yushu_book.first