Synnefo

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from optparse import make_option

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

from django.contrib.auth.models import Permission

from django.contrib.contenttypes.models import ContentType

from django.core.exceptions import ValidationError

from astakos.im.models import AstakosUser, AstakosGroup

from ._common import add_group_permission

class Command(BaseCommand):

    args = "<groupname>"

    help = "Update group"

    option_list = BaseCommand.option_list + (

        make_option('--add-permission',

            dest='add-permission',

            help="Add user permission"),

        make_option('--delete-permission',

            dest='delete-permission',

            help="Delete user permission"),

        make_option('--enable',

            action='store_true',

            dest='enable',

            default=False,

            help="Enable group"),

    )

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

        if len(args) < 1:

            raise CommandError("Please provide a group identifier")

        group = None

        try:

            if args[0].isdigit():

                group = AstakosGroup.objects.get(id=args[0])

            else:

                group = AstakosGroup.objects.get(name=args[0])

        except AstakosGroup.DoesNotExist, e:

            raise CommandError("Invalid group")

        try:

            content_type = ContentType.objects.get(app_label='im',

                                                       model='astakosuser')

            pname = options.get('add-permission')

            if pname:

                r, created = add_group_permission(group, pname)

                if created:

                    self.stdout.write('Permission: %s created successfully\n' % pname)

                if r == 0:

                    self.stdout.write('Group has already permission: %s\n' % pname)

                else:

                    self.stdout.write('Permission: %s added successfully\n' % pname)

            pname = options.get('delete-permission')

            if pname:

                r = remove_group_permission(group, pname)

                if r < 0:

                    self.stdout.write('Invalid permission codename: %s\n' % pname)

                elif r == 0:

                    self.stdout.write('Group has not permission: %s\n' % pname)

                elif r > 0:

                    self.stdout.write('Permission: %s removed successfully\n' % pname)

            if options.get('enable'):

                group.enable()

        except Exception, e:

            raise CommandError(e)