Synnefo

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from optparse import make_option

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

from astakos.im.functions import terminate, suspend, resume

from astakos.im.project_xctx import project_transaction_context

class Command(BaseCommand):

    args = "<project id>"

    help = "Update project state"

    option_list = BaseCommand.option_list + (

        make_option('--terminate',

                    action='store_true',

                    dest='terminate',

                    default=False,

                    help="Terminate project"),

        make_option('--resume',

                    action='store_true',

                    dest='resume',

                    default=False,

                    help="Resume project"),

        make_option('--suspend',

                    action='store_true',

                    dest='suspend',

                    default=False,

                    help="Suspend project")

    )

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

        if len(args) < 1:

            raise CommandError("Please provide a project id")

        try:

            id = int(args[0])

        except ValueError:

            raise CommandError('Invalid id')

        else:

            if options['terminate']:

                run_command(terminate, id)

            elif options['resume']:

                run_command(resume, id)

            elif options['suspend']:

                run_command(suspend, id)

@project_transaction_context(sync=True)

def run_command(func, id, ctx=None):

    try:

        func(id)

    except BaseException as e:

        if ctx:

            ctx.mark_rollback()

        raise CommandError(e)