from django.core.management.base import NoArgsCommand

from django.db import connection

from django.core.management import call_command

from django.contrib.contenttypes.models import ContentType

class Command(NoArgsCommand):

    help = "Migrate existing database to Django 1.8"

    def handle_noargs(self, **options):

        # delete tables

        cursor = connection.cursor()

        for tname in [ "jogging_log", "auth_message",

                      "django_openid_consumer_association",

                      "django_openid_consumer_nonce",

                      "piston_consumer", "piston_nonce",

                      "piston_resource", "piston_token",

                      "south_migrationhistory", "social_auth_nonce",

                      "social_auth_association", "social_auth_usersocialauth"]:

            cursor.execute("DROP TABLE IF EXISTS \"%s\" CASCADE;" % tname)

        call_command('migrate', 'contenttypes', fake_initial=True, interactive=False)

        call_command('migrate', 'auth', fake_initial=True, interactive=False)

        call_command('migrate', 'user', fake_initial=True, interactive=False)

        call_command('migrate', 'default', interactive=False)

        call_command('migrate', 'oauth_provider', fake=True, interactive=False)

        call_command('migrate', fake_initial=True, interactive=False)

        ContentType.objects.filter(app_label="auth", model="user").delete()

        ContentType.objects.filter(app_label="user", model="userprofile").delete()

        ContentType.objects.filter(app_label="user", model="ldt").delete()