rbnvrw/crispus

<?php
namespace Crispus;

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

    /**
     * Helper function to get all files in a directory
     *
     * @param string $sDirectory start directory
     * @param string $sExt optional limit to file extensions
     * @return array the matched files
     */ 
    public function getFiles($sDirectory, $sExt = '')
    {
        $aFiles = array();
        
        if(!is_dir($sDirectory)){
            return null;
        }
        
        foreach(new \DirectoryIterator($sDirectory) as $oFileInfo){
            if($oFileInfo->isFile()){
                if(empty($sExt) || $sExt == $oFileInfo->getExtension()){
                    $aFiles[] = $oFileInfo->getPathname();
                }
            }                
        }
        
        return $aFiles;
    }
    
    public function getDirectories($sDirectory, $bWithPath = true){
        $aDirs = array();
        
        if(!is_dir($sDirectory)){
            return $aDirs;
        }
        
        foreach(new \DirectoryIterator($sDirectory) as $oFileInfo){
            if($oFileInfo->isDir() && !$oFileInfo->isDot()){
                if($bWithPath){
                    $aDirs[] = $oFileInfo->getPathname();
                }else{
                    $aDirs[] = $oFileInfo->getFilename();
                }
            }                
        }
        
        return $aDirs;
    }
    
    public function getAllPagesInDir($sPath, $sUrl, $sGlobalConfigFile){        
        $oConfig = new SiteConfig($sGlobalConfigFile);
        $sSortKey = $oConfig->get('site', 'menu', 'sort_by');
        $bAsc = (bool)$oConfig->get('site', 'menu', 'sort_asc');
                
        $aPages = array();
        $aDirs = $this->getDirectories($sPath, false);
        foreach($aDirs as $sDir){
            $aPage = $this->getPageFromDir($sDir, $sUrl, $sGlobalConfigFile);
            
            if(isset($aPage['config'][$sSortKey]) && !empty($aPage['config'][$sSortKey])){
                $aPages[$aPage['config'][$sSortKey]] = $aPage;
            }else{
                $aPages[] = $aPage;
            }  
        }
        
        if($bAsc === false){
            krsort($aPages);
        }else{
            ksort($aPages);
        }
        
        return $aPages;
    }
    
    public function getFileContents($sPath) {
        // Read contents
        if(file_exists($sPath)){
            return file_get_contents($sPath);
        } 
        
        return null;        
    }
    
    private function getPageFromDir($sDir, $sUrl, $sGlobalConfigFile){
        $sNewUrl = $sUrl.'/'.$sDir;
            
        $oPage = new Page($sNewUrl, $sGlobalConfigFile);
        $aConfig = $oPage->getConfig();
        
        if(is_array($aConfig)){
            $aConfig = array_change_key_case($aConfig, CASE_LOWER);
        }else{
            $aConfig = array();
        }
    
        return array('name' => $sDir, 'url' => $sNewUrl, 'config' => $aConfig, 'children' => $oPage->getChildren());
    }

}