class.ilPCBlog.php

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<?php
/*
    +-----------------------------------------------------------------------------+
    | ILIAS open source                                                           |
    +-----------------------------------------------------------------------------+
    | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
    |                                                                             |
    | This program is free software; you can redistribute it and/or               |
    | modify it under the terms of the GNU General Public License                 |
    | as published by the Free Software Foundation; either version 2              |
    | of the License, or (at your option) any later version.                      |
    |                                                                             |
    | This program 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 General Public License for more details.                                |
    |                                                                             |
    | You should have received a copy of the GNU General Public License           |
    | along with this program; if not, write to the Free Software                 |
    | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
    +-----------------------------------------------------------------------------+
*/

require_once("./Services/COPage/classes/class.ilPageContent.php");

class ilPCBlog extends ilPageContent
{
    protected $user;

    public function init()
    {
        global $DIC;

        $this->user = $DIC->user();
        $this->setType("blog");
    }

    public function setNode($a_node)
    {
        parent::setNode($a_node);               // this is the PageContent node
        $this->blog_node = $a_node->first_child();              // this is the blog node
    }

    public function create(&$a_pg_obj, $a_hier_id, $a_pc_id = "")
    {
        $this->node = $this->createPageContentNode();
        $a_pg_obj->insertContent($this, $a_hier_id, IL_INSERT_AFTER, $a_pc_id);
        $this->blog_node = $this->dom->create_element("Blog");
        $this->blog_node = $this->node->append_child($this->blog_node);
    }

    public function setData($a_blog_id, array $a_posting_ids = null)
    {
        $ilUser = $this->user;
        
        $this->blog_node->set_attribute("Id", $a_blog_id);
        $this->blog_node->set_attribute("User", $ilUser->getId());

        // remove all children first
        $children = $this->blog_node->child_nodes();
        if ($children) {
            foreach ($children as $child) {
                $this->blog_node->remove_child($child);
            }
        }

        if (sizeof($a_posting_ids)) {
            foreach ($a_posting_ids as $posting_id) {
                $post_node = $this->dom->create_element("BlogPosting");
                $post_node = $this->blog_node->append_child($post_node);
                $post_node->set_attribute("Id", $posting_id);
            }
        }
    }

    public function getBlogId()
    {
        if (is_object($this->blog_node)) {
            return $this->blog_node->get_attribute("Id");
        }
    }

    public function getPostings()
    {
        $res = array();
        if (is_object($this->blog_node)) {
            $children = $this->blog_node->child_nodes();
            if ($children) {
                foreach ($children as $child) {
                    $res[] = $child->get_attribute("Id");
                }
            }
        }
        return $res;
    }
}