# -*- coding: utf-8 -*-

# vim:set expandtab tabstop=4 shiftwidth=4:

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

#

# Copyright (C) 2007-2011 CS-SI

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License version 2 as

# published by the Free Software Foundation.

#

# 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., 675 Mass Ave, Cambridge, MA 02139, USA.

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

"""

Un plugin pour VigiBoard qui ajoute une colonne avec les liens vers les

entrées d'historiques liées à l'événement, ainsi que les liens vers les

applications externes.

"""

import urllib

from tg.exceptions import HTTPForbidden

from tg import config, url

from vigiboard.controllers.vigiboardrequest import VigiboardRequest

from vigiboard.controllers.plugins import VigiboardRequestPlugin

from vigilo.models.tables import CorrEvent, Event, StateName

from vigilo.turbogears.helpers import get_current_user

class PluginDetails(VigiboardRequestPlugin):

    """

    Plugin qui ajoute des liens vers les historiques et les applications

    externes.

    """

    def get_json_data(self, idcorrevent, *args, **kwargs):

        """

        Renvoie les éléments pour l'affichage de la fenêtre de dialogue

        contenant des détails sur un événement corrélé.

        @param idcorrevent: identifiant de l'événement corrélé.

        @type idcorrevent: C{int}

        """

        # Obtention de données sur l'événement et sur son historique

        user = get_current_user()

        if user is None:

            return None

        events = VigiboardRequest(user, False)

        events.add_table(

            Event,

            events.items.c.hostname,

            events.items.c.servicename,

        )

        events.add_join((CorrEvent, CorrEvent.idcause == Event.idevent))

        events.add_join((events.items,

            Event.idsupitem == events.items.c.idsupitem))

        events.add_filter(CorrEvent.idcorrevent == idcorrevent)

        # Vérification que au moins un des identifiants existe et est éditable

        if events.num_rows() != 1:

            raise HTTPForbidden()

        event = events.req[0]

        eventdetails = {}

        for edname, edlink in enumerate(config['vigiboard_links.eventdetails']):

            if event.servicename:

                service = urllib.quote(event.servicename)

            else:

                service = None

            eventdetails[unicode(edname)] = url(edlink[1]) % {

                'idcorrevent': idcorrevent,

                'host': urllib.quote(event.hostname),

                'service': service,

                'message': urllib.quote(event[0].message),

            }

        return dict(

                current_state = StateName.value_to_statename(

                                    event[0].current_state),

                initial_state = StateName.value_to_statename(

                                    event[0].initial_state),

                peak_state = StateName.value_to_statename(

                                    event[0].peak_state),

                idcorrevent = idcorrevent,

                host = event.hostname,

                service = event.servicename,

                eventdetails = eventdetails,

                idcause = event[0].idevent,

            )