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from optparse import make_option

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

from django.db import transaction

from astakos.im.models import _lookup_object, ProjectApplication, Project

@transaction.commit_on_success

class Command(BaseCommand):

    args = "<project application id>"

    help = "Update project state"

    option_list = BaseCommand.option_list + (

        make_option('--approve',

                    action='store_true',

                    dest='approve',

                    default=False,

                    help="Approve group"),

        make_option('--terminate',

                    action='store_true',

                    dest='terminate',

                    default=False,

                    help="Terminate group"),

        make_option('--suspend',

                    action='store_true',

                    dest='suspend',

                    default=False,

                    help="Suspend group")

    )

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

        if len(args) < 1:

            raise CommandError("Please provide a group identifier")

        app = None

        p = None

        try:

            id = int(args[0])

        except ValueError:

            raise CommandError('Invalid id')

        else:

            try:

                # Is it a project application id?

                app = _lookup_object(ProjectApplication, id=id)

            except ProjectApplication.DoesNotExist:

                try:

                    # Is it a project id?

                    p = _lookup_object(Project, id=id)

                except Project.DoesNotExist:

                    raise CommandError('Invalid id')

            try:

                if options['approve']:

                    if not app:

                        raise CommandError('Project application id is required.')

                    app.approve()

                if app and app.status != 'Pending':

                    p = app.project

                if options['terminate']:

                    p.terminate()

                if options['suspend']:

                    p.suspend()

            except BaseException, e:

                import traceback

                traceback.print_exc()

                raise CommandError(e)