<?php
include ('lib/common.inc.php');
$last_updated['page'] = date('Y-m-d',@filemtime('index.php'));
$sections = Array(
    "agency",
    "category",
    "supplier",
    "page"
);
header("Content-Type: text/xml");
echo "<?xml version='1.0' encoding='UTF-8'?>";
$result = $conn->query('SELECT title, to_char("lastUpdated",\'YYYY-MM-DD\') as "lastUpdated" from datasets');
foreach ($result->fetchAll() as $row) {
    if ($row['title'] == "Contract Notices") {
        $last_updated['agency'] = $row['lastUpdated'];
        $last_updated['supplier'] = $row['lastUpdated'];
        $last_updated['category'] = $row['lastUpdated'];
    }
}
if (isset($_REQUEST['section']) == false) {
    echo '<sitemapindex xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/siteindex.xsd"
         xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">';
    foreach ($sections as $section) {
        echo "<sitemap>
      <loc>" . local_url() . "sitemap.xml.php?section=$section</loc>
      <lastmod>" . $last_updated[$section] . '</lastmod></sitemap>';
    }
    echo '</sitemapindex>';
} else {
   echo '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">' . "\n";
    if ($_REQUEST['section'] == "page") {
      echo " <url><loc>".local_url()."index.php</loc><priority>1.0</priority></url>\n";
foreach (scandir("./") as $file) {
      if (strpos($file,".php") !== false && $file != "index.php" && $file != "sitemap.xml.php") echo " <url><loc>".local_url()."$file</loc><priority>0.3</priority></url>\n";
}
    }
        if ($_REQUEST['section'] == "agency") {
       $result = $conn->query('SELECT DISTINCT "agencyName" from contractnotice');
       foreach ($result->fetchAll() as $row) {
            echo " <url><loc>" . local_url() . "displayAgency.php?agency=" . urlencode($row['agencyName']) . "</loc>
      <lastmod>" . $last_updated['agency'] . "</lastmod></url>\n";
        }
    }
    if ($_REQUEST['section'] == "supplier") {
       $result = $conn->query('SELECT DISTINCT on ("supplierID") (
 case when "supplierABN" != 0 THEN "supplierABN"::text ELSE lower("supplierName") END) as "supplierID", "supplierABN", "supplierName"  from contractnotice');
       
       foreach ($result->fetchAll() as $row) {
           
           $supplier = urlencode(stripslashes($row['supplierABN'] . '-' . $row['supplierName']));
            echo " <url><loc>" . local_url() . "displaySupplier.php?supplier=$supplier</loc>
      <lastmod>" . $last_updated['supplier'] . "</lastmod></url>\n";
        }
    }
    if ($_REQUEST['section'] == "category") {
       $result = $conn->query('SELECT distinct category FROM contractnotice;');
       foreach ($result->fetchAll() as $row) {
           
            echo " <url><loc>" . local_url() . "displayCategory.php?category=".urlencode($row['category'])."</loc>
      <lastmod>" . $last_updated['category'] . "</lastmod></url>\n";
           
        }
    }
  echo '</urlset>';
}
?>