rbnvrw/crispus

<?php
namespace Crispus;

/**
 * Crispus CMS
 *
 * @author Ruben Verweij
 * @link http://rubenverweij.nl
 * @license http://opensource.org/licenses/MIT
 * @version 0.1
 */
class Block {

    private $_oConfig;
    
    private $sPath;
    private $aVars;

    public function __construct($sPath, $aVars = array(), $sConfigFile = 'config.json')
    {
        $this->_oConfig = new SiteConfig($sConfigFile);
        $this->sPath = $sPath;
        $this->aVars = $aVars;
    }
    
    public function render(){
        if(!empty($this->sPath)){
            $oFilesystem = new Filesystem();
            
            $sFileContents = $oFilesystem->getFileContents($this->sPath);
            
            return $this->processMarkdown($sFileContents);
        }
        
        return null;
    }
    
    public function getName(){
        $sBlockExt = $this->_oConfig->get('crispus', 'block_extension');
        
        return basename($this->sPath, '.'.$sBlockExt);
    }
    
    private function setMarkdownVars(){
        // Base URL
        $this->aVars['base_url'] = rtrim($this->_oConfig->getBaseUrl(),'/');
        
        // phpThumb URL
        $this->aVars['phpThumb'] = $this->_oConfig->getPhpThumbUrl();
    }
    
    private function processMarkdown($sContent){
        $this->setMarkdownVars();
        
        // Simple variable replacement
        foreach($this->aVars as $sName => $sVar){
            if(is_numeric($sVar) || is_string($sVar)){
                $sContent = str_replace('%'.$sName.'%', $sVar, $sContent);
            }
        }
        
        // Markdown
        $oParser = new \cebe\markdown\MarkdownExtra();
        $sContent = $oParser->parse($sContent);
        
        return trim($sContent);
    }

}