def create(isbn):
uid = g.user.uid
with db.auto_commit():
Book.query.filter_by(isbn=isbn).first_or_404()
gift = Gift.query.filter_by(isbn=isbn, uid=uid).first()
if gift:
raise DuplicateGift()
gift = Gift()
gift.isbn = isbn
gift.uid = uid
db.session.add(gift)
return Success()
def create(isbn):
uid = g.user.uid
with db.auto_commit():
Book.query.filter_by(isbn=isbn).first()
gift = Gift.query.filter_by(uid=uid, isbn=isbn, launched=False).first()
if gift:
raise DuplicateGift()
gift = Gift()
gift.uid = uid
gift.isbn = isbn
db.session.add(gift)
return Success()
def create(isbn):
# url = http://localhost:5000/v1/gift/<int:isbn>
uid = g.user.uid
with db.auto_commit():
Book.query.filter_by(isbn=isbn).first_or_404()
gift = Gift.query.filter_by(isbn=isbn, uid=uid).first_or_404()
if gift:
raise DuplicateGift()
gift = Gift()
gift.isbn = isbn
gift.uid = uid
db.session.add(gift)
return Success()
def create(isbn):
uid = g.user.uid
with db.auto_commit():
# 先查询有没有这本书, 没有会自己返回错误
Book.query.filter_by(isbn=isbn).first_or_404()
# 再看是否有本同样的书正在赠送
gift = Gift.query.filter_by(uid=uid, isbn=isbn).first()
if gift:
raise DuplicateGift()
gift = Gift()
gift.uid = uid
gift.isbn = isbn
db.session.add(gift)
return Success()