//
// Copyright (C) 2001-2004 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: //apps/faq/dev/pdl/com/arsdigita/faq/Faq.pdl#3 $
// $DateTime: 2004/08/17 23:26:27 $
model com.arsdigita.faq;

import com.arsdigita.kernel.ACSObject;

import com.arsdigita.web.Application;

object type Faq extends Application {

    component QAPair[0..n] questions = 
        join faqs.faq_id to faq_questions.faq_id;

    reference key (faqs.faq_id);	

}


object type QAPair extends ACSObject {

    String     question = faq_questions.question VARCHAR(1000);
    String     answer   = faq_questions.answer  VARCHAR(1000);
    String     answerFormat = faq_questions.answer_format VARCHAR(100);
    Integer    sortKey = faq_questions.sort_key INTEGER;

    Faq[1..1]  faq = join faq_questions.faq_id to faqs.faq_id;
	
    reference key (faq_questions.question_id);	

}


query nextSortKey {
    Integer nextSortKey;
    do {
        select CASE WHEN max(sort_key) is null THEN 0
                    ELSE max(sort_key) END + 1 as next_sort_key
        from   faq_questions
        where  faq_id = :faqID
    } map {
        nextSortKey = faq_questions.next_sort_key;
    }
}