//
// Copyright (C) 2002-2004 Red Hat Inc. All Rights Reserved.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation; either version 2.1 of
// the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// $Id: Thread.pdl 287 2005-02-22 00:29:02Z sskracic $
// $DateTime: 2004/08/16 18:10:38 $
model com.arsdigita.messaging;

import com.arsdigita.kernel.ACSObject;
import com.arsdigita.kernel.Party;

object type Thread extends ACSObject {

    Date[1..1] lastUpdate = message_threads.last_update TIMESTAMP;
    BigDecimal[1..1] numReplies = message_threads.num_replies INTEGER;

    ThreadedMessage[1..1] root =
        join message_threads.root_id to messages.message_id;
    Party[1..1] author = 
        join message_threads.sender to parties.party_id;

    reference key (message_threads.thread_id);

    aggressive load (
        root.id,
        root.objectType,
        root.objectID,
        root.subject,
        author.id,
        author.objectType,
        author.displayName,
        author.defaultDomainClass
    );
}

data operation incrNumReplies {
    do {
        update message_threads
        set num_replies = num_replies + 1
        where thread_id = :threadID
    }
}

data operation decrNumReplies {
    do {
        update message_threads
        set num_replies = num_replies - 1
        where thread_id = :threadID
    }
}