<?php
  
/** 
*   @file getGranulesIndex.php
*   @brief Returns JSON with URLs of *_times.nc for all DataSets 
*   @version $Id:  $ 
*/
  
    require_once './DDserverWeb_ini.php';
  
    $alias = array(baseDir => webAlias);
    $replace = array("_" => "-");
    
  //  $dataSet = strtr($_GET['id'], $replace); 
    

    $referXML = baseDir."/DDsys.xml";

    $DDsys = new DOMDocument("1.0");
    $DDsys->load($referXML);

    $VIs = $DDsys->getElementsByTagName("VI");
    $main = array();
    $index = array();
    foreach ( $VIs as $VI )
    {        
        if ($VI->getElementsByTagName("NAME")->item(0)->getAttribute('base') == "LOCAL") 
        {
            $id =  $VI->getElementsByTagName("NAME")->item(0)->nodeValue;    
            $location = $VI->getElementsByTagName("LOCATION")->item(0)->nodeValue;           
            $times = $VI->getElementsByTagName("TIMES")->item(0)->nodeValue; 

            if (!file_exists($location.$times)) continue; // no times info
            if (file_exists($location."RestrictedAccess")) continue; // PrivateAccess   
            

            $index[strtr($id,$replace)] = substr($location.$times,strlen(baseDir));
        }
    }

    $main[webAlias] = $index;
    $json = json_encode($main);    

    file_put_contents("GRANULES/allDatasets.json", $json);    

    exit($json);
?>