createUser: async (root, data, { mongo: { Users } }) => {
            const user = await Users.findOne({ email: data.authProvider.email.email });
            if (user) {
                // a user with the same email was found, throw an error
                throw new Error("Email already exists");
                }

            const newUser = {
                name: data.name,
                email: data.authProvider.email.email,
                password: data.authProvider.email.password, // todo this is really bad, do not store password in clear
            };
            const response = await Users.insert(newUser);
            return { id: response.insertedIds[0], ...newUser };
        },