"""
This module defines task stubs for the tasks implemented in the gvafile Celery
worker.

"""
from __future__ import absolute_import

from celery import shared_task


@shared_task
def setup_file_sftp_userdir(username):
    """
    This task creates the home directory for an SFTP user if it does not exist
    yet.

    :param str username: the user name
    :raises Exception: if the SFTP directory of the user cannot be created
    :return: the created directory name
    :rtype: str

    """


@shared_task
def delete_file_sftp_userdir(username):
    """
    This task recursively deletes the home directory of an SFTP user if it
    does not exist yet.

    :param str username: the user name
    :raises Exception: if the SFTP directory of the user cannot be removed
    :return: the removed directory name
    :rtype: str

    """


@shared_task
def setup_file_mail_userdir(username):
    """
    This task creates the mail base directory for a user if it does not exist
    yet.

    :param str username: the user name
    :raises Exception: if the mail base directory for the user cannot be
        created
    :return: the created directory name
    :rtype: str

    """


@shared_task
def delete_file_mail_userdir(username):
    """
    This task recursively deletes the mail base directory for a user if it
    does not exist yet.

    :param str username: the user name
    :raises Exception: if the mail base directory of the user cannot be removed
    :return: the removed directory name
    :rtype: str

    """


@shared_task
def create_file_mailbox(username, mailboxname):
    """
    This task creates a new mailbox directory for the given user and mailbox
    name.

    :param str username: the user name
    :param str mailboxname: the mailbox name
    :raises GVAFileException: if the mailbox directory cannot be created
    :return: the created mailbox directory name
    :rtype: str

    """


@shared_task
def delete_file_mailbox(username, mailboxname):
    """
    This task deletes the given mailbox of the given user.

    :param str username: the user name
    :param str mailboxname: the mailbox name
    :raises GVAFileException: if the mailbox directory cannot be deleted
    :return: the deleted mailbox directory name
    :rtype: str

    """