//
// Copyright (C) 2001 ArsDigita Corporation. All Rights Reserved.
//
// The contents of this file are subject to the ArsDigita Public 
// License (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of
// the License at http://www.arsdigita.com/ADPL.txt
//
// Software distributed under the License is distributed on an "AS
// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
// implied. See the License for the specific language governing
// rights and limitations under the License.
//

model com.arsdigita.docs;

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

object type ResourceImpl extends VersionedACSObject { 
    String[1..1]     name        = docs_resources.name VARCHAR(200);
    String[0..1]     description = docs_resources.description VARCHAR(4000);
    Boolean[1..1]    isFolder    = docs_resources.is_folder CHAR(1);
    String[1..1]     path        = docs_resources.path VARCHAR(3000);
    String           mimeType    = docs_resources.mime_type VARCHAR(200);
    BigDecimal       size        = docs_resources.length INTEGER;
    Date[1..1]       creationDate = docs_resources.creation_date TIMESTAMP;
    String[0..1]     creationIP  = docs_resources.creation_ip VARCHAR(50);
    Date[1..1]       lastModifiedDate = docs_resources.last_modified TIMESTAMP;
    String[0..1]     lastModifiedIP  = docs_resources.modifying_ip VARCHAR(50);

    reference key (docs_resources.resource_id);
}

association {
  ResourceImpl[1..1] contentResource = 
      join docs_blobjects.resource_id to docs_resources.resource_id;
  component DocBlobject[0..1] content = 
      join docs_resources.resource_id to docs_blobjects.resource_id;
}

association {
  ResourceImpl[0..n] createdResources =
      join users.user_id to docs_resources.creation_user;
  User[0..1] creationUser = join docs_resources.creation_user to users.user_id;
}

association {
  ResourceImpl[0..n] modifiedResources =
      join users.user_id to docs_resources.last_user;
  User[0..1] lastModifiedUser = join docs_resources.last_user to users.user_id;
}

association {
   ResourceImpl[0..1] parent = join docs_resources.parent_id 
                                 to docs_resources.resource_id;
   component ResourceImpl[0..n] immediateChildren = 
                 join docs_resources.resource_id to docs_resources.parent_id;
}

// Returns the direct children of a given resource

query getDirectChildren {
    BigDecimal id;
    Boolean isFolder;
    do {
        select  resource_id,
                is_folder
        from    docs_resources
        where   parent_id = :parentID
    } map {
        id       = resource_id;
        isFolder = is_folder;
    }        
}

// Returns a set of resources by path

query getResourceByPath {
    BigDecimal id;
    Boolean isFolder;
    String name;
    String path;
    do {
        select resource_id,
               name,
               is_folder,
               path            
        from   docs_resources
        where  path = :targetPath
    } map {
        id   = resource_id;
        isFolder = is_folder;
        name = name;
        path = path;
    }
}


// Update the denormalized path for every child of a given resource 
data operation updateChildren {
    do {
        update docs_resources
        set    path = :rootPath || substr(path, :oldRootPathLength)
        where  path like :oldPath || '%'
        and not resource_id = :parentResource
    }
}