"""
Add a component - suite mapping to only expose certain components in certain suites

@contact: Debian FTP Master <ftpmaster@debian.org>
@copyright: 2012 Varnish Software AS
@author: Tollef Fog Heen <tfheen@varnish-software.com>
@license: GNU General Public License version 2 or later
"""

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

################################################################################

import psycopg2
from daklib.dak_exceptions import DBUpdateError
from daklib.config import Config

################################################################################


def do_update(self):
    print(__doc__)
    try:
        cnf = Config()

        c = self.db.cursor()

        c.execute("""
            CREATE TABLE component_suite (
                component_id INTEGER NOT NULL REFERENCES component(id) ON DELETE CASCADE,
                suite_id INTEGER NOT NULL REFERENCES suite(id) ON DELETE CASCADE,
                PRIMARY KEY (component_id, suite_id)
            )
            """)
        # Set up default mappings for all components to all suites
        c.execute("INSERT INTO component_suite(component_id, suite_id) SELECT component.id,suite.id from suite, component")

        c.execute("UPDATE config SET value = '100' WHERE name = 'db_revision'")
        self.db.commit()

    except psycopg2.ProgrammingError as msg:
        self.db.rollback()
        raise DBUpdateError('Unable to apply sick update 100, rollback issued. Error message: {0}'.format(msg))
