linkUnverifiedEmail: async (parent, { email }, { models, me }) => {
      if (!me) {
        throw new AuthenticationError('you must be logged in')
      }

      try {
        await models.user.update({ where: { id: me.id }, data: { email } })
      } catch (error) {
        if (error.code === 'P2002') {
          throw new UserInputError('email taken')
        }
        throw error
      }

      return true
    }