Synnefo

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from optparse import make_option

import string

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

from django.db.utils import IntegrityError

from astakos.im.models import Service

class Command(BaseCommand):

    args = "<name> <service URL> <API URL> "

    help = "Register a service"

    option_list = BaseCommand.option_list + (

        make_option('--type',

                    dest='type',

                    help="Service type"),

        make_option('-f', '--no-confirm',

                    action='store_true',

                    default=False,

                    dest='force',

                    help="Do not ask for confirmation"),

    )

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

        if len(args) < 2:

            raise CommandError("Invalid number of arguments")

        name = args[0]

        url = args[1]

        api_url = args[2]

        kwargs = dict(name=name, url=url, api_url=api_url)

        s_type = options['type']

        if s_type:

            kwargs['type'] = s_type

        try:

            s = Service.objects.get(name=name)

            m = "There already exists service named '%s'." % name

            raise CommandError(m)

        except Service.DoesNotExist:

            pass

        services = list(Service.objects.filter(url=url))

        if services:

            m = "Service URL '%s' is registered for another service." % url

            raise CommandError(m)

        services = list(Service.objects.filter(api_url=api_url))

        if services:

            m = "API URL '%s' is registered for another service." % api_url

            raise CommandError(m)

        force = options['force']

        if not force:

            tp = (' of type %s' % s_type) if s_type else ''

            self.stdout.write("Add service %s%s with:\n" % (name, tp))

            self.stdout.write("service URL: %s\n" % url)

            self.stdout.write("API URL: %s\n" % api_url)

            self.stdout.write("Confirm? (y/n) ")

            response = raw_input()

            if string.lower(response) not in ['y', 'yes']:

                self.stdout.write("Aborted.\n")

                return

        try:

            s = Service.objects.create(**kwargs)

        except BaseException:

            raise CommandError("Failed to create service.")

        else:

            self.stdout.write('Token: %s\n' % s.auth_token)