Synnefo

# Copyright 2012 GRNET S.A. All rights reserved.

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from django.core.management.base import BaseCommand, CommandError

from django.db.utils import IntegrityError

from django.db import transaction

from astakos.im.functions import invite, SendMailError

from astakos.im.models import Invitation

from ._common import get_user

@transaction.commit_manually

class Command(BaseCommand):

    args = "<inviter id or email> <email> <real name>"

    help = "Invite a user"

    def handle(self, *args, **options):

        if len(args) != 3:

            raise CommandError("Invalid number of arguments")

        inviter = get_user(args[0], is_active=True)

        if not inviter:

            raise CommandError("Unknown inviter")

        if not inviter.is_active:

            raise CommandError("Inactive inviter")

        if inviter.invitations > 0:

            email = args[1]

            realname = args[2]

            try:

                invitation = Invitation(

                    username=email, realname=realname, inviter=inviter)

                invite(invitation, inviter)

                self.stdout.write("Invitation sent to '%s'\n" % (email,))

            except SendMailError, e:

                transaction.rollback()

                raise CommandError(e.message)

            except IntegrityError, e:

                transaction.rollback()

                raise CommandError(

                    "There is already an invitation for %s" % (email,))

            else:

                transaction.commit()

        else:

            raise CommandError("No invitations left")