nicholas@2224: <?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@2224: //http://stackoverflow.com/questions/4444475/transfrom-relative-path-into-absolute-url-using-php
nicholas@2283: include "rel2abs.php";
nicholas@2224: 
nicholas@2224: /*
nicholas@2224:     This looks for files that pass the filtering response
nicholas@2224:     The filtering system uses key-value pairs
nicholas@2224:     The key is double encoded using a '-'. The first part is the ID of the item to filter,
nicholas@2224:     the second is the method:
nicholas@2224:         min - Minimum Inclusive
nicholas@2224:         max - Maximum Inclusive
nicholas@2224:         exclude-# - exclude, followed by a number to uniquely add, (will create a triple [], ignore the third as random)
nicholas@2224: */
nicholas@2283: $keys = array();
nicholas@2224: $waet_url = null;
nicholas@2224: foreach ($_GET as $key => $value) {
nicholas@2224:     $key = explode("-",$key);
nicholas@2224:     if ($key[0] == "url") {
nicholas@2224:         $waet_url = $value;
nicholas@2224:     } else {
nicholas@2283:         $v_pair = array($key[1],$value);
nicholas@2224:         if(array_key_exists($key[0],$keys)) {
nicholas@2224:             // We have some data
nicholas@2224:             array_push($keys[$key[0]],$v_pair);
nicholas@2224:         } else {
nicholas@2224:             // Create new key data
nicholas@2283:             $keys[$key[0]] = array($v_pair);
nicholas@2224:         }
nicholas@2224:     }
nicholas@2224: }
nicholas@2224: 
nicholas@2283: $files = array();
nicholas@3120: $saveLocation = getSaveLocation();
nicholas@3120: $saves = glob($saveLocation."*.xml");
nicholas@2224: if (is_array($saves))
nicholas@2224: {
nicholas@2224:     foreach($saves as $filename) {
nicholas@2224:         $xml_string = file_get_contents($filename, FILE_TEXT);
nicholas@2224:         $xml_object = simplexml_load_string($xml_string);
nicholas@2224:         if ($xml_object) {
nicholas@2224:             // First we must check the URLs match
nicholas@2224:             $waet = $xml_object->waet[0];
nicholas@2224:             if (urldecode($waet["url"])==$waet_url) {
nicholas@2224:                 // It is part of the dataset, so now perform checks
nicholas@2224:                 $continue = true;
nicholas@2224:                 foreach($keys as $keyId => $keyArr) {
nicholas@2224:                     $elem = $xml_object->xpath("//*[@ref='".$keyId."']");
nicholas@2224:                     $elem = $elem[0]; // Can only be one.
nicholas@2224:                     switch ($elem["type"]) {
nicholas@2224:                         case "number":
nicholas@2224:                             // Number, we must check for min/max
nicholas@2224:                             $value =  (real)$elem->response;
nicholas@2224:                             foreach ($keyArr as $keyCheck) {
nicholas@2224:                                 if ($keyCheck[0] == 'min' && $value < $keyCheck[1]) {
nicholas@2224:                                     $continue = false;
nicholas@2224:                                     break;
nicholas@2224:                                 } else if ($keyCheck[0] == 'max' && $value > $keyCheck[1]) {
nicholas@2224:                                     $continue = false;
nicholas@2224:                                     break;
nicholas@2224:                                 }
nicholas@2224:                             }
nicholas@2224:                             break;
nicholas@2224:                         case "checkbox":
nicholas@2224:                             // Will have an array of <response>
nicholas@2224:                             foreach ($elem->response as $response) {
nicholas@2224:                                 foreach ($keyArr as $keyCheck) {
nicholas@2224:                                     if ($response["name"] == $keyCheck[1]) {
nicholas@2224:                                         if($response["checked"] == "true" && $keyCheck[0] == "exclude") {
nicholas@2224:                                             $continue = false;
nicholas@2224:                                             break;
nicholas@2224:                                         }
nicholas@2224:                                     }
nicholas@2224:                                 }
nicholas@2224:                                 if($continue == false) {
nicholas@2224:                                     break;
nicholas@2224:                                 }
nicholas@2224:                             }
nicholas@2224:                             break;
nicholas@2224:                         case "radio":
nicholas@2224:                             foreach ($keyArr as $keyCheck) {
nicholas@2224:                                 if ($keyCheck[0] == "exclude" && $elem->response["name"] == $keyCheck[1]) {
nicholas@2224: 
nicholas@2224:                                     $continue = false;
nicholas@2224:                                     break;
nicholas@2224:                                 }
nicholas@2224:                             }
nicholas@2224:                             break;
nicholas@2224:                         default:
nicholas@2224:                             break;
nicholas@2224:                     }
nicholas@2224:                     if ($continue == false) {
nicholas@2224:                         break;
nicholas@2224:                     }
nicholas@2224:                 }
nicholas@2224:                 if ($continue) {
nicholas@2224:                     array_push($files,rel2abs($filename,"http://".$_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI']));
nicholas@2224:                 }
nicholas@2224:             }
nicholas@2224:         }
nicholas@2224:     }
nicholas@2224: }
nicholas@2224: if (count($files) == 0) {
nicholas@2224:     echo '{"urls": []}';
nicholas@2224: } else {
nicholas@2224:     echo '{"urls": ["'.implode('","',$files).'"]}';
nicholas@2224: }
nicholas@2224: 
nicholas@2538: ?>