<?php
/**
* Based on @garryn Garry Nutting's amazingly fast sitemap generator:
* http://www.modx360.com/blog/2013/09/03/google-sitemap-thousands-of-resources/
*
* Modified by @sepiariver for multi-context support
* GPL, no warranties, etc.
*
*/
// "300 lives of men I've walked this earth and now I have no time"
ini_set('max_execution_time', 0);
// If no contexts set, only use current one
$contexts = array_filter(array_map('trim', explode(',', $modx->getOption('contexts', $scriptProperties, $modx->context->get('key')))));
// Set cache options
$cacheKey = 'sitemap.' . implode('-', $contexts);
$expires = $modx->getOption('expires', $scriptProperties, 86400);
$options = array(
xPDO::OPT_CACHE_KEY => 'sitemap',
);
// Fetch from cache
$output = $modx->cacheManager->get($cacheKey, $options);
// If no cached object then query for it
if ($output == null) {
// Set today's date for homepage lastmod
$today = date('Y-m-d');
// Start document
$output = '<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
';
foreach ($contexts as $ctx) {
// Fetch current context object for site_url
$currentCtx = $modx->getContext($ctx);
if ($currentCtx) {
$siteUrl = $currentCtx->getOption('site_url');
// Add site_url to output
$output .= "<url><loc>{$siteUrl}</loc><lastmod>{$today}</lastmod></url>" . PHP_EOL;
} else {
// We need something to build the links with, even if no context setting
$siteUrl = $modx->get('site_url');
}
// Add all resources that meet criteria
$stmt = $modx->query("
SELECT
GROUP_CONCAT(
'<url>',
CONCAT('<loc>" . $siteUrl . "',uri,'</loc>'),
CONCAT('<lastmod>',FROM_UNIXTIME(editedon, '%Y-%m-%d'),'</lastmod>'),
'</url>'
SEPARATOR ''
) AS node
FROM modx_site_content AS s
WHERE s.deleted = 0 AND s.published = 1 AND s.searchable = 1 AND context_key='" . $ctx . "'
GROUP BY s.id
ORDER BY s.id ASC
");
// Add to output
if ($stmt) {
$rows = $stmt->fetchAll(PDO::FETCH_COLUMN);
$output .= implode(PHP_EOL, $rows);
}
}
// Wrap up document
$output .= '</urlset>';
// Cache for next time
$modx->cacheManager->set($cacheKey, $output, $expires, $options);
}
// Return
return $output;