def save_to_wish(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
gift = Gift()
gift.isbn = isbn
gift.uid = current_user.id
db.session.add(gift)
else:
flash('这本书已经添加至心愿清单或者已经存在，不允许重复添加')
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_wish(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
wish = Wish()
wish.uid = current_user.id
wish.isbn = isbn
db.session.add(wish)
else:
flash('这本书已在您的愿望清单或赠送清单')
return render_template(url_for('web.book_detail', isbn=isbn))
def save_to_wish(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
wish = Wish()
wish.isbn = isbn
wish.uid = current_user.id
db.session.add(wish)
else:
flash('这本书已经添加至你的赠送清单或已存在于你的心愿清单，请不要重复添加')
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_wish(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
wish = Wish()
wish.uid = current_user.id
wish.isbn = isbn
db.session.add(wish)
else:
flash('这本书已经在您的心愿清单了')
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_wish(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
wish = Wish()
wish.isbn = isbn
wish.uid = current_user.id
db.session.add(wish)
else:
flash("这本书已添加至您的赠送清单或心愿清单，请勿重复添加")
return redirect(url_for("web.book_detail", isbn=isbn))
def save_to_gifts(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
gift = Gift()
gift.isbn = isbn
gift.uid = current_user.id
current_user.beans += current_app.config['BEANS_UPLOAD_ONE_BOOK']
db.session.add(gift)
else:
flash('这本书已经添加至您的赠送/心愿清单，请不要重复添加')
def save_to_wish(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
wish = Wish()
wish.isbn = isbn
wish.uid = current_user.id
current_user.beans += current_app.config['BEANS_UPLOAD_ONE_BOOK']
db.session.add(wish)
else:
flash('这本书已经添加至你的赠送清单或已存在于你的心愿清单，请不要重复添加')
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_gifts(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
gift = Gift()
gift.isbn = isbn
gift.uid = current_user.id
current_user.beans += current_app.config['BEANS_UPLOAD_ONE_BOOK']
db.session.add(gift)
else:
flash('这本书存在于你的赠送清单或心愿清单，请不要重复添加')
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_wish(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
wish = Wish()
wish.isbn = isbn
wish.uid = current_user.id
wish.add()
flash('添加成功！')
else:
flash('添加失败')
return redirect(url_for('web.book:detail', isbn=isbn))
def save_to_wish(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
wish = Wish()
# 获得当前用户的id
wish.uid = current_user.id
wish.isbn = isbn
db.session.add(wish)
else:
flash("这本书已添加至您的赠送清单或已存在与您的心愿清单，请不要重复添加")
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_gifts(isbn):
if current_user.can_save_to_list(isbn): #判断能否存入赠送清单
with db.auto_commit():
gift = Gift()
gift.isbn = isbn
gift.uid = current_user.id #一个实例化后的User的模型,通过模型中的get_user来转化为一个模型
current_user.beans += current_app.config['BEANS_UPLOAD_ONE_BOOK']
db.session.add(gift)
else:
flash('这本书已经在你的心愿清单了')
return redirect(url_for('web.book_detail', isbn=isbn)) #赠送成功后重定向到当前书籍页面
def save_to_wish(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
wish = Wish()
wish.isbn = isbn
wish.uid = current_user.id
wish.create_time = datetime.now()
db.session.add(wish)
else:
flash('您已经有书籍在赠送或者心愿清单中，请勿重复添加！')
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_wish(isbn):
if current_user.can_save_to_list(isbn):
# auto_commit为自定义上下文管理器
with db.auto_commit():
wish = Wish()
wish.isbn = isbn
wish.uid = current_user.id
db.session.add(wish)
else:
flash("书籍已经存在心愿清单或者愿望清单中")
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_wish(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
wish = Wish()
wish.isbn = isbn
wish.uid = current_user.id #current_user 与user中的模型get_user方法相对
db.session.add(wish)
else:
flash('这本书已存在你的赠送清单，或者你的心愿清单，请不要重复添加')
# ajax技术不刷新页面返回数据 或者将整个页面缓存起来，从而提高服务器性能
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_wish(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
wish = Wish()
wish.isbn = isbn
wish.uid = current_user.id
db.session.add(wish)
else:
flash("这本书以添加进您的赠送清单或已经存在于您的心愿清单，请不要重复添加")
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_gifts(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
gift = Gift()
gift.isbn = isbn
gift.uid = current_user.id
current_user.beans += current_app.config["BEANS_UPLOAD_BOOK"]
db.session.add(gift)
else:
flash("这本书已添加至你的赠送清单或已存在于你的心愿清单")
return redirect(url_for("web.book_detail", isbn=isbn))
def save_to_wish(isbn):
if current_user.can_save_to_list(isbn):
# try:
with db.auto_commit():
wish = Wish()
wish.isbn = isbn
wish.uid = current_user.id
db.session.add(wish)
else:
flash('这本书已经在你的赠送或者心愿清单中存在，请不要重复提交')
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_gifts(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
gift = Gift()
gift.isbn = isbn
gift.uid = current_user.id
current_user.coins += current_app.config['COINS_UPLOAD_ONE_BOOK']
current_user.send_counter += 1
db.session.add(gift)
else:
flash('不要重复添加！')
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_wish(isbn):
if current_user.can_save_to_list(isbn):
# 事务 回滚
# try:
with db.auto_commit():
wish = Wish()
wish.isbn = isbn
wish.uid = current_user.id
db.session.add(wish)
else:
flash('这本书已添加至你的礼物清单或已经存在与你的心愿清单')
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_gifts(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit(): # 通过自定义的上下文管理器来实现自动提交和回滚
gift = Gift()
gift.isbn = isbn
gift.uid = current_user.id # 通过flask_login来获取uid，事实上flask_login只把uid存储在cookie中,然后通过models/user中的1.1来进行数据读取
current_user.beans += current_app.config['BEANS_UPLOAD_ONE_BOOK']
db.session.add(gift)
else:
flash('这本书已经添加至你的赠送清单或已存在于你的心愿清单，请不要重复添加')
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_wish(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
wish = Wish()
wish.isbn = isbn
# current_user实例化User的模型，和user中定义的get_user方法
# current_user.beans += current_app.config['BEAN']
wish.uid = current_user.id
db.session.add(wish)
else:
flash('这本书已添加至你的赠送清单或存在于你的心愿清单，请不要重复操作')
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_gifts(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
# database transaction
gift = Gift()
gift.isbn = isbn
gift.uid = current_user.id
current_user.beans += current_app.config['BEANS_UPLOAD_ONE_BOOK']
db.session.add(gift)
else:
flash('already added into gift or wish')
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_wish(isbn):
yushu_book = OBook()
yushu_book.search_by_isbn(isbn)
if current_user.can_save_to_list(isbn):
with db.auto_commit():
wish = Wish()
wish.uid = current_user.id
wish.isbn = isbn
db.session.add(wish)
else:
flash('这本书已添加至你的赠送清单或已存在于你的心愿清单，请不要重复添加')
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_gifts(isbn):
if current_user.can_save_to_list(isbn):
gift = Gift()
gift.isbn = isbn
gift.uid = current_user.id
db.session.add(gift)
db.session.commit()
current_user.beans += current_app.config['BEANS_UPLOAD_ONE_BOOK']
else:
flash("这本书已添加至你的赠送清单或已存在于你的心愿清单，请不要重复添加")
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_wish(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
gift = Wish()
gift.isbn = isbn
gift.uid = current_user.id
db.session.add(gift)
else:
flash('这本书已添加至你的赠送清单或已存在于你的心愿清单，请不要重复添加')
return redirect(url_for('book.detail', isbn=isbn))
def save_to_wish(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
wish = Wish()
wish.isbn = isbn
wish.uid = current_user.id
# current_user.beans += current_app.config['BEANS_UPLOAD_ONE_BOOK']
db.session.add(wish)
else:
flash('这本书已经在赠送清单或心愿清单，请不要重复添加')
# book_detail -> save_to_gifts -> book_detail
# 这里 book_detail会重新渲染，可以考虑 使用 Ajax 和静态文件缓存
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_gifts(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
gift = Gift()
gift.isbn = isbn
gift.uid = current_user.id
current_user.beans += current_app.config['BEANS_UPLOAD_ONE_BOOK']
db.session.add(gift)
else:
flash("这本书以添加进您的赠送清单或已经存在于您的心愿清单，请不要重复添加")
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_gifts(isbn):
if current_user.can_save_to_list(isbn):
# auto_commit为自定义上下文管理器
with db.auto_commit():
gift = Gift()
gift.isbn = isbn
gift.uid = current_user.id
current_user.beans += current_app.config['BEANS_UPLOAD_ONE_BOOK']
db.session.add(gift)
else:
flash("书籍已经存在心愿清单或者愿望清单中")
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_gifts(isbn):
if current_user.can_save_to_list(isbn):
with db.auto_commit():
gift = Gift()
gift.isbn = isbn
gift.uid = current_user.id
current_user.beans += current_app.config['BEANS_UPLOAD_ONE_BOOK']
db.session.add(gift)
else:
flash('this book already in the list , do not add it again')
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_gifts(isbn):
if current_user.can_save_to_list():
try:
gift = Gift()
gift.isbn = isbn
gift.uid = current_user.id
current_user.beans += current_app.config['BEANS_PER_UPLOAD']
db.session.add(gift)
db.session.commit()
except Exception as e:
db.session.rollback()
else:
flash('The book is already in wishlist.')
def save_to_gifts(isbn):
if current_user.can_save_to_list(isbn):
# 事务 回滚
# try:
with db.auto_commit():
gift = Gift()
gift.isbn = isbn
gift.uid = current_user.id
current_user.beans += current_app.config['BEANS_UPLOAD_BOOK']
db.session.add(gift)
else:
flash('这本书已添加至你的礼物清单或已经存在与你的心愿清单')
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_gifts(isbn):
if current_user.can_save_to_list(isbn):
# 事务，操作了两个表。虽然只有 commit 才会提交，但是依然需要 rollback，否则后面的都会报错
with db.auto_commit():
gift = Gift()
gift.isbn = isbn
gift.uid = current_user.id
# -------------------------
current_user.beans += current_app.config['BEANS_UPLOAD_ONE_BOOK']
db.session.add(gift)
else:
flash('这本书已经在你的清单里，不要重复添加')
return redirect(url_for('web.book_detail', isbn=isbn))
def save_to_gifts(isbn):
if current_user.can_save_to_list(isbn):
# 事务，保证user和gift的一致性，rollback
# try:
with db.auto_commit():
gift = Gift()
gift.isbn = isbn
gift.uid = current_user.id
#################################################
current_user.beans += current_app.config['BEANS_UPLOAD_ONE_BOOK']
db.session.add(gift)
# db.session.commit()
# except Exception as e:
# db.session.rollback()
# raise e
else:
flash('这本书已经添加至你的赠送清单或者一存在于你的心愿清单，请不要重复添加')
return redirect('web.book_detail', isbn=isbn)
