//
// 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: Folder.pdl 287 2005-02-22 00:29:02Z sskracic $
// $DateTime: 2004/08/17 23:15:09 $
model com.arsdigita.cms;

import com.arsdigita.kernel.*;
import com.arsdigita.versioning.*;

object type Folder extends ContentItem {

    String[0..1]      label = cms_folders.label VARCHAR(1000);
    
    reference key(cms_folders.folder_id);
}

association {
    ContentItem[0..1] index = join cms_folders.index_id to cms_items.item_id;
    Folder[0..1] indexed = join cms_items.item_id to cms_folders.index_id;
}

query folderNotEmpty {
    Boolean notEmpty;
  do {
    select 1 as notEmpty from dual
    where exists (
      select 
        item_id 
      from 
        cms_items i
      where 
        i.parent_id = :id
    )
  } map {
    notEmpty = notEmpty;
  }
}

query folderHasNoSubFolders {
    Boolean hasNoSubFolders;
  do {
    select 1 as hasNoSubFolders from dual
    where exists (
      select 
        i.item_id 
      from 
        cms_items i, cms_folders f
      where 
        i.parent_id = :id         
      and 
        i.item_id = f.folder_id
      )
  } map {
    hasNoSubFolders = hasNoSubFolders;
  }
}

//retrieve single item in folder
query ItemInFolder {

  ContentItem   item;

  do {
    select
      a.object_id, a.object_type, a.display_name, a.default_domain_class
    from
      acs_objects a
    where a.object_id =
     (select 
       i.item_id
      from 
       cms_items i
      where i.version = :version
      and i.parent_id = :parent
      and name = :name)
  } map {
    item.id                 = a.object_id;
    item.objectType         = a.object_type;
    item.defaultDomainClass = a.default_domain_class;
    item.displayName        = a.display_name;
  }
}

//retrieve single folder in folder
query FolderInFolder {

  ContentItem   item;

  do {
    select
      a.object_id, a.object_type, a.display_name, a.default_domain_class
    from acs_objects a, cms_items i, cms_folders f
    where i.item_id = a.object_id
    and a.object_id = i.item_id
    and f.folder_id = i.item_id
    and i.version = :version
    and i.parent_id = :parent
    and name = :name
  } map {
    item.id                 = a.object_id;
    item.objectType         = a.object_type;
    item.defaultDomainClass = a.default_domain_class;
    item.displayName        = a.display_name;
  }
}