# this file derive from django-tenant-schemas
#   Author: Bernardo Pires Carneiro
#   Email: carneiro.be@gmail.com
#   License: MIT license
#   Home-page: http://github.com/bcarneiro/django-tenant-schemas
from django.conf import settings
from django.core.management.base import CommandError, BaseCommand
try:
    from south.management.commands.migrate import Command as MigrateCommand
except ImportError:
    MigrateCommand = BaseCommand


class Command(MigrateCommand):

    def handle(self, *args, **options):
        database = options.get('database', 'default')
        if (settings.DATABASES[database]['ENGINE'] == 'tenant_schemas.postgresql_backend' or
                MigrateCommand is BaseCommand):
            raise CommandError("migrate has been disabled, for database '{}'. Use migrate_schemas "
                               "instead. Please read the documentation if you don't know why you "
                               "shouldn't call migrate directly!".format(database))
        super(Command, self).handle(*args, **options)