nicholas@2249: <?php
nicholas@3123: include_once("config.php");
nicholas@2457: header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0");
nicholas@2457: header("Cache-Control: post-check=0, pre-check=0", false);
nicholas@2457: header("Pragma: no-cache");
nicholas@2249: // This works out the pool of pages to force the browser to use from the master pool set by 'modifying' the XML file
nicholas@2249: //
nicholas@2249: 
nicholas@2249: // This scripts lists all participated pages and ranks them by lowest occurence first
nicholas@2249: // The script then removes from the list any pages which have been completed more times than the lowest occuring test page
nicholas@2249: // If the number of pages left is less than the number of pages requested from the poolSize, then those that were
nicholas@2249: // selected will have the alwaysInclude attribute set to true to ensure the next iteration will be selected. Then the next
nicholas@2249: // least occuring pages are re-added. This continues until number of testPages >= poolSize.
nicholas@2249: 
nicholas@2249: // The reference will always point to the original master XML file.
nicholas@2249: 
nicholas@2249: include 'rel2abs.php';
nicholas@2249: 
nicholas@2249: // MODIFY THE FOLLOWING LINE TO POINT TO YOUR TEST FILE
nicholas@2249: $master_file = "../tests/pool.xml";
nicholas@2249: // Note this is relative to the PHP location
nicholas@2249: 
nicholas@2249: // First set up the store with all the test page key nodes
nicholas@2283: $pages = array();
nicholas@2249: $master_xml = simplexml_load_string(file_get_contents($master_file, FILE_TEXT));
nicholas@2249: if ($master_xml) {
nicholas@2249:     if (!isset($master_xml->setup["poolSize"]))
nicholas@2249:     {
nicholas@2249:         echo file_get_contents($master_file, FILE_TEXT);
nicholas@2249:         return;
nicholas@2249:     }
nicholas@2249:     $poolSize = $master_xml->setup["poolSize"];
nicholas@2249:     foreach($master_xml->page as $pageInstance) {
nicholas@2249:         $id = (string)$pageInstance['id'];
nicholas@2249:         $pages[$id] = 0;
nicholas@2249:     }
nicholas@2249: }
nicholas@2249: 
nicholas@2249: $waet_url = rel2abs("pool.php","http://".$_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI']);
nicholas@2249: 
nicholas@3120: $saveLocation = getSaveLocation();
nicholas@3120: $saves = glob($saveLocation."*.xml");
nicholas@2249: if (is_array($saves))
nicholas@2249: {
nicholas@2249:     foreach($saves as $filename) {
nicholas@2249:         $xml_object = simplexml_load_string(file_get_contents($filename, FILE_TEXT));
nicholas@2249:         if($xml_object) {
nicholas@2249:             // First we must check the saves match the master URL
nicholas@2249:             $waet = $xml_object->waet[0];
nicholas@2249:             if (urldecode($waet["url"])==$waet_url) {
nicholas@2249:                 // This save is a save from the master XML
nicholas@2249:                 // Count which pages have been added
nicholas@2249:                 foreach($xml_object->page as $page) {
nicholas@2249:                     $id = (string)$page['ref'];
nicholas@2249:                     $pages[$id] = $pages[$id] + 1;
nicholas@2249:                 }
nicholas@2249:             }
nicholas@2249:         }
nicholas@2249:     }
nicholas@2249: }
nicholas@2249: 
nicholas@2249: // Now we have a list of pages, sorted from low to high
nicholas@2249: // Create the new prototype tree
nicholas@2249: $orig_doc = new DOMDocument;
nicholas@2249: $orig_doc->loadXML(file_get_contents($master_file, FILE_TEXT));
nicholas@2249: $orig_doc->schemaValidate("../xml/test-schema.xsd");
nicholas@2249: $new_doc = new DOMDocument;
nicholas@2249: $new_doc->formatOutput = true;
nicholas@2249: //<waet xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="test-schema.xsd">
nicholas@2249: $root = $new_doc->createElement('waet');
nicholas@2249: $root->setAttribute("xmlns:xsi","http://www.w3.org/2001/XMLSchema-instance");
nicholas@2249: $root->setAttribute("xsi:noNamespaceSchemaLocation","test-schema.xsd");
nicholas@2249: $root = $new_doc->appendChild($root);
nicholas@2249: 
nicholas@2249: // Copy over the <setup> node
nicholas@2249: $dom_setup = $new_doc->importNode(dom_import_simplexml($master_xml->setup),true);
nicholas@2249: $root->appendChild($dom_setup);
nicholas@2249: 
nicholas@2249: // We must now extract the number which have been performed the least
nicholas@2283: $rot_pages = array();
nicholas@2249: foreach($pages as $key => $var)
nicholas@2249:     if(array_key_exists($var,$rot_pages)) {
nicholas@2249:         array_push($rot_pages[$var],$key);
nicholas@2249:     } else {
nicholas@2283:         $rot_pages[$var] = array($key);
nicholas@2249:     }
nicholas@2249: ksort($rot_pages);
nicholas@2249: $Keys = array_keys($rot_pages);
nicholas@2249: 
nicholas@2249: // Pages are grouped into an array based on the number of page initiations ($rot_pages)
nicholas@2249: // $Keys is an array of the sorted key maps
nicholas@2249: $pageList = $new_doc->getElementsByTagName("page");
nicholas@2249: $iter = 0;
nicholas@2249: while ($pageList->length < $poolSize) {
nicholas@2249:     if ($iter > 0) {
nicholas@2249:         // We are adding more than one set of pages, make all current always include
nicholas@2249:         foreach($pageList as $page) {
nicholas@2249:             $page->setAttribute("alwaysInclude","true");
nicholas@2249:         }
nicholas@2249:     }
nicholas@2249:     foreach($rot_pages[$Keys[$iter]] as $pageId) {
nicholas@2249:         // We have the pages to add as a $pageId
nicholas@2249:         // Now COPY
nicholas@2249:         $dom_page = $orig_doc->getElementById($pageId);
nicholas@2249:         $dom_page = $new_doc->importNode($dom_page,true);
nicholas@2249:         $root->appendChild($dom_page);
nicholas@2249:     }
nicholas@2249:     $iter++;
nicholas@2249:     $pageList = $new_doc->getElementsByTagName("page");
nicholas@2249: }
nicholas@2249: 
nicholas@2249: echo $new_doc->saveXML();
nicholas@2249: 
nicholas@2538: ?>