File Source for blogs

<?php
/**
* @version $Header$
* @package blogs
* @subpackage functions
*/
/**
* Initialization
*/
require_once( "../kernel/setup_inc.php" );
$gBitSystem->verifyPackage( 'rss' );
$gBitSystem->verifyPackage( 'blogs' );
$gBitSystem->verifyFeature( 'blogs_rss' );
require_once( BLOGS_PKG_PATH.'BitBlogPost.php' );
require_once( RSS_PKG_PATH."rss_inc.php" );
// default feed info
$rss->title = $gBitSystem->getConfig( 'blogs_rss_title', $gBitSystem->getConfig( 'site_title' ).' - '.tra( 'Blog Posts' ) );
$rss->description = $gBitSystem->getConfig( 'blogs_rss_description', $gBitSystem->getConfig( 'site_title' ).' - '.tra( 'RSS Feed' ) );
// check permission to view wiki pages
if( !$gBitUser->hasPermission( 'p_blogs_view' ) ) {
require_once( RSS_PKG_PATH."rss_error.php" );
} else {
// check if we want to use the cache file
$cacheFile = TEMP_PKG_PATH.RSS_PKG_NAME.'/'.BLOGS_PKG_NAME.( !empty( $_REQUEST['user_id'] ) ? "_".$_REQUEST['user_id'] : "" ).( !empty( $_REQUEST['group_id'] ) ? "_".$_REQUEST['group_id'] : "" ).( !empty( $_REQUEST['role_id'] ) ? "_".$_REQUEST['role_id'] : "" ).( !empty( $_REQUEST['blog_id'] ) ? "_".$_REQUEST['blog_id'] : "" ).'_'.$cacheFileTail;
$rss->useCached( $rss_version_name, $cacheFile, $gBitSystem->getConfig( 'rssfeed_cache_time' ));
$blogPost = new BitBlogPost();
$listHash['sort_mode'] = 'last_modified_desc';
$listHash['max_records'] = $gBitSystem->getConfig( 'blogs_rss_max_records', 10 );
$listHash['parse_data'] = TRUE;
$listHash['full_data'] = TRUE;
if( !empty( $_REQUEST['user_id'] ) ) {
if ( $gBitSystem->getConfig( 'user_class', 'BitPermUser' ) == 'RolePermUser' ) {
require_once( USERS_PKG_PATH.'RoleUser.php' );
} else {
require_once( USERS_PKG_PATH.'BitUser.php' );
}
$blogUser = new BitUser();
$userData = $blogUser->getUserInfo( array('user_id' => $_REQUEST['user_id']) );
// dont try and fool me
if (!empty($userData)){
$userName = $userData['real_name']?$userData['real_name']:$userData['login'];
$rss->title = $userName." at ".$gBitSystem->getConfig( 'site_title' );
$listHash['user_id'] = $_REQUEST['user_id'];
}
} else if( !empty( $_REQUEST['group_id'] ) ) {
require_once( USERS_PKG_PATH . 'BitPermUser.php' );
$permUser = new BitPermUser();
$groupData = $permUser->getGroupInfo( $_REQUEST['group_id'] );
// dont try and fool me
if (!empty($groupData)){
$groupName = $groupData['group_name'];
$rss->title = $groupName." Group at ".$gBitSystem->getConfig( 'site_title' );
$listHash['group_id'] = $_REQUEST['group_id'];
}
} else if( !empty( $_REQUEST['role_id'] ) ) {
require_once( USERS_PKG_PATH . 'RolePermUser.php' );
$permUser = new BitPermUser();
$roleData = $permUser->getRoleInfo( $_REQUEST['role_id'] );
// dont try and fool me
if (!empty($roleData)){
$roleName = $roleData['role_name'];
$rss->title = $roleName." Role at ".$gBitSystem->getConfig( 'site_title' );
$listHash['role_id'] = $_REQUEST['role_id'];
}
}
if( !empty( $_REQUEST['blog_id'] ) ) {
$listHash['blog_id'] = $_REQUEST['blog_id'];
$gBlog = new BitBlog( $_REQUEST['blog_id'] );
$gBlog->load();
if( isset($gBlog->mContentId) ) {
// adjust feed title to blog title
$rss->title = $gBlog->getTitle()." at ".$gBitSystem->getConfig( 'site_title' );
if (isset($userName)){
$rss->title = $userName."'s Posts in ".$rss->title;
}
$rss->description = $gBlog->parseData();
}
}
$feeds = $blogPost->getList( $listHash );
// set the rss link
$rss->link = 'http://'.$_SERVER['HTTP_HOST'].BLOGS_PKG_URL.( !empty( $_REQUEST['blog_id'] ) ? "?blog_id=".$_REQUEST['blog_id'] : "" );
// get all the data ready for the feed creator
foreach( $feeds['data'] as $feed ) {
$item = new FeedItem();
$item->title = BitBlogPost::getTitleFromHash( $feed );
$item->link = BIT_BASE_URI.BitBlogPost::getDisplayUrlFromHash( NULL, $feed );
$item->description = $feed['parsed'];
$item->date = ( int )$feed['last_modified'];
$item->source = 'http://'.$_SERVER['HTTP_HOST'].BIT_ROOT_URL;
$item->author = $gBitUser->getDisplayName( FALSE, $feed );
$item->descriptionTruncSize = $gBitSystem->getConfig( 'rssfeed_truncate', 50000 );
$item->descriptionHtmlSyndicated = TRUE;
// pass the item on to the rss feed creator
$rss->addItem( $item );
}
// finally we are ready to serve the data
echo $rss->saveFeed( $rss_version_name, $cacheFile );
}
?>

Source for file blogs_rss.php