def add_book(self, id):
if "book_id" in request.json:
book = Book.find(request.json["book_id"])
if not book:
return self.render_error(
400,
f"The book with id {request.json['book_id']} was not found"
)
end
user_book = self._add_existing_book_to_user(request.user, book)
else:
try:
user_book = self._create_new_book_for_user(
request.user, request.json)
except Exception as e:
return self.render_error(400, e.args[0])
end
end
# return 201 for both adding a new book and adding an existing book
# because adding an existing book can be considered to be creating
# a *new* book FOR the user
return jsonify(user_book_schema.dump(user_book)), 201
def before_request(self, name, **kwargs):
book_id = request.view_args.get("id")
if book_id:
book = request.book = Book.find(book_id)
if not book:
return self.render_error(
404, f"Book with id {book_id} was not found.")
end
end
def delete_book(self, id, book_id):
book = Book.find(book_id)
if not book:
return self.render_error(
400,
f"The book with id {request.json['book_id']} was not found")
end
if not request.user.has_book(book):
return self.render_error(
400,
f"{request.user.email} does not have {book.title} on their reading list"
)
end
request.user.delete_book(book)
return jsonify({}), 204
def update_book(self, id, book_id):
book = Book.find(book_id)
if not book:
return self.render_error(
400, f"The book with id {book_id} was not found")
end
user_book = request.user.get_book(book_id)
if not user_book:
return self.render_error(
400,
f"{request.user.email} does not have {book.title} on their reading list"
)
end
if "is_read" in request.json:
user_book.is_read = request.json["is_read"]
user_book.save()
end
return jsonify(user_book_schema.dump(user_book))