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<?php
/**
* A standard entry viewing module for the ems-php-app framework.
*
* Assumes Request has a function: getNoteLink which takes a BrainEntry as parameter
*/
class ModuleBrainEntry extends Module
{
/**
* Obtains the brain object to retrieve documents. By default it just uses
* the global brain object.
*/
protected function getBrain()
{
global $brain;
return $brain;
}
protected $pathOffset = 1; //may be overriden in derived if this is not the first offset in path for id/name
protected $allowNS = array(); //which namespaces are allowed, empty is always allowed
protected $be;
protected $showTitle = true; //show's the title if it doesn't contain a namespace, use <h1> tags
protected $inNS;
public function process()
{
$title = $this->request->getPath( $this->pathOffset );
if( is_numeric( $title ) )
{
$this->be = $this->getBrain()->getEntryWithID( $title );
$title = $this->request->getPath( $this->pathOffset + 1 );
}
else
$this->be = $this->getBrain()->getEntry( $title );
if( $this->be === false )
$this->request->abortNotFound();
//only items in allowed namespaces can be viewed
$ns = explode( ':', $this->be->title, 2 );
if( count( $ns ) > 1 )
{
if( array_search( $ns[0], $this->allowNS ) === false )
$this->request->addNoticeAndAbort( Request::LEVEL_ERROR, REQUEST_TPLPRE . 'InvalidNote' );
$this->inNS = true;
}
else
$this->inNS = false;
//if the title in the URL doesn't match the document title redirect -- this normalizes the URLs
//and prevents mischief with odd URLs
if( strcmp( dt_prettytag( $title ), dt_prettytag( $this->be->title ) ) != 0 )
$this->request->redirectExtern( $this->request->getNoteLink( $this->be ) );
//render now so we can get at the abstract
$this->text = $this->getBrain()->getDesc( $this->be );
list( $this->request->metaDescription ) = $this->be->getBriefDesc( 400, true/*text*/ );
}
public function getTitle()
{
$useTitle = split( ':', $be->title );
$useTitle = join( ' - ', $useTitle );
return $useTitle;
}
public function display()
{
if( $this->showTitle && !$this->inNS )
print( '<h1>' . xml( $this->be->title ) . '</h1>' );
print( $this->text );
}
}
?>
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