//
// 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: Forum.pdl 542 2005-06-03 15:17:05Z sskracic $
// $DateTime: 2004/08/17 23:26:27 $
model com.arsdigita.forum;

import com.arsdigita.categorization.Category;
import com.arsdigita.messaging.ThreadedMessage;
import com.arsdigita.cms.LifecycleDefinition;
import com.arsdigita.web.Application;
import com.arsdigita.kernel.Group;

object type Forum extends Application {

    component Post[0..n] posts =
        join forum_forums.forum_id to messages.object_id;

    Boolean [1..1] isModerated  = forum_forums.is_moderated;
    Boolean [1..1] isNoticeboard  = forum_forums.is_noticeboard;
    component Group [0..1] adminGroup =
        join forum_forums.admin_group_id to groups.group_id;
    component Group [0..1] moderationGroup =
        join forum_forums.mod_group_id to groups.group_id;
	component Group [0..1] threadCreateGroup =
        join forum_forums.create_group_id to groups.group_id;
	component Group [0..1] threadRespondGroup =
        join forum_forums.respond_group_id to groups.group_id;
	component Group [0..1] readGroup =
        join forum_forums.read_group_id to groups.group_id;

    component ForumSubscription[0..n] subscriptions =
        join forum_forums.forum_id to forum_subscriptions.forum_id;
    component Category[1..1] category =
        join forum_forums.category_id to cat_categories.category_id;

    component LifecycleDefinition[0..1] lifecycleDefinition =
        join forum_forums.lifecycle_definition_id to lifecycle_definitions.definition_id;

    BigDecimal [0..1] expireAfter = forum_forums.expire_after;
	Boolean [1..1] fileAttachmentsAllowed = forum_forums.file_attachments_allowed;
	Boolean [1..1] imageUploadsAllowed = forum_forums.image_uploads_allowed;
	Boolean [1..1] autoSubscribeThreadStarter = forum_forums.subscribe_thread_starter;
	Boolean [1..1] noCategoryPostsAllowed = forum_forums.no_category_posts_allowed;
	Boolean [1..1] anonymousPostsAllowed = forum_forums.anonymous_posts_allowed;
	String [0..1] introduction = forum_forums.introduction VARCHAR(4000);
    reference key (forum_forums.forum_id);
}

//
// this should probably move to the categorization service
//
query categoryObject {
    BigDecimal id;
    do {
        select object_id
        from cat_object_category_map
        where category_id = :categoryID
    } map {
        id = object_id;
    }
}

query uncategoryObject {
    BigDecimal id;
    do {
        select object_id
          from cat_object_category_map
    } map {
        id = object_id;
    }
}

data operation clearCategories {
    do {
        delete from cat_object_category_map
        where object_id = :postID
    }
}

query filledCategories {
    BigDecimal id;
    do {
        select distinct(category_id) as categoryID
        from cat_object_category_map
    } map {
        id = categoryID;
    }

}

query getUnusedCategories {
    BigDecimal id;
    String name;
    do {
        select cc.category_id,
               cc.name
        from   cat_categories cc
        where  cc.category_id in (select related_category_id
                                  from   cat_category_category_map c,
                                         forum_forums b
                                  where  b.forum_id    = :forumID
                                  and    b.category_id = c.category_id)
        and    cc.category_id not in (select oc.category_id
                                      from   cat_object_category_map oc
                                      where  oc.category_id in (select related_category_id
                                                                from   cat_category_category_map c,
                                                                       forum_forums b
                                                                where  b.forum_id    = :forumID
                                                                and    b.category_id = c.category_id))
    } map {
        id   = cc.category_id;
        name = cc.name;
    }
}

// Retrieve summary information about uncategorized postings in a
// forum

query getUncategorizedSummary {
    BigDecimal numThreads;
    Date latestPost;
    do {
        select count(*) as num_threads,
               max(mt.last_update) as latest_post
        from   message_threads mt,
               messages m
        where  m.object_id = :forumID
        and    m.root_id is null
        and    m.message_id = mt.root_id
        and    not exists (select 1 from cat_object_category_map cocm
                           where cocm.object_id = m.message_id)
    } map {
        numThreads = num_threads;
        latestPost = latest_post;
    }
}