leilukin-tumbleblog/modules/sitemap/sitemap.php

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2024-06-20 14:10:42 +00:00
<?php
class Sitemap extends Modules {
public function __init(): void {
$actions = array(
"add_post",
"add_page",
"update_post",
"update_page",
"delete_post",
"delete_page"
);
foreach ($actions as $action)
$this->addAlias($action, "make_sitemap", 8);
}
public static function __install(): void {
Config::current()->set(
"module_sitemap",
array(
"blog_changefreq" => "daily",
"pages_changefreq" => "yearly",
"posts_changefreq" => "monthly",
"sitemap_path" => MAIN_DIR
)
);
}
public static function __uninstall(): void {
Config::current()->remove("module_sitemap");
}
public function settings_nav($navs): array {
if (Visitor::current()->group->can("change_settings"))
$navs["sitemap_settings"] = array(
"title" => __("Sitemap", "sitemap")
);
return $navs;
}
public function admin_sitemap_settings($admin): void {
if (!Visitor::current()->group->can("change_settings"))
show_403(
__("Access Denied"),
__("You do not have sufficient privileges to change settings.")
);
if (empty($_POST)) {
$admin->display(
"pages".DIR."sitemap_settings",
array(
"sitemap_changefreq" => array(
"hourly" => __("Hourly", "sitemap"),
"daily" => __("Daily", "sitemap"),
"weekly" => __("Weekly", "sitemap"),
"monthly" => __("Monthly", "sitemap"),
"yearly" => __("Yearly", "sitemap"),
"never" => __("Never", "sitemap")
)
)
);
return;
}
if (!isset($_POST['hash']) or !Session::check_token($_POST['hash']))
show_403(
__("Access Denied"),
__("Invalid authentication token.")
);
fallback($_POST['blog_changefreq'], "daily");
fallback($_POST['pages_changefreq'], "yearly");
fallback($_POST['posts_changefreq'], "monthly");
fallback($_POST['sitemap_path'], MAIN_DIR);
$config = Config::current();
$realpath = realpath($_POST['sitemap_path']);
if ($realpath === false) {
Flash::warning(
__("Could not determine the absolute path to the Sitemap.", "sitemap")
);
$filepath = $config->module_sitemap["sitemap_path"];
} else {
$separator = preg_quote(DIR, "~");
$filepath = preg_replace(
"~".$separator."(sitemap\.xml)?$~i",
"",
$realpath
);
}
$config->set(
"module_sitemap",
array(
"blog_changefreq" => $_POST['blog_changefreq'],
"pages_changefreq" => $_POST['pages_changefreq'],
"posts_changefreq" => $_POST['posts_changefreq'],
"sitemap_path" => $filepath
)
);
Flash::notice(
__("Settings updated."),
"sitemap_settings"
);
}
/**
* Function: make_sitemap
* Generates a sitemap of the blog and writes it to the document root.
*/
public function make_sitemap(): void {
$results = SQL::current()->select(
"posts",
"id",
array("status" => "public"),
array("id DESC")
)->fetchAll();
$ids = array();
foreach ($results as $result)
$ids[] = $result["id"];
if (!empty($ids))
$posts = Post::find(
array("where" => array("id" => $ids))
);
else
$posts = array();
$pages = Page::find(
array(
"where" => array("public" => true),
"order" => "list_order ASC"
)
);
$config = Config::current();
$settings = $config->module_sitemap;
$xml = '<?xml version="1.0" encoding="UTF-8"?>'."\n";
$xml.= '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">'."\n";
$xml.= '<url>'."\n".
'<loc>'.
fix($config->url).
'/</loc>'."\n".
'<lastmod>'.
when("c", time()).
'</lastmod>'."\n".
'<changefreq>'.
$settings["blog_changefreq"].
'</changefreq>'."\n".
'</url>'."\n";
foreach ($posts as $post) {
$lastmod = ($post->updated) ?
$post->updated_at :
$post->created_at ;
$xml.= '<url>'."\n".
'<loc>'.
$post->url().
'</loc>'."\n".
'<lastmod>'.
when("c", $lastmod).
'</lastmod>'."\n".
'<changefreq>'.
$settings["posts_changefreq"].
'</changefreq>'."\n".
'<priority>'.
(($post->pinned) ? "1.0" : "0.5").
'</priority>'."\n".
'</url>'."\n";
}
foreach ($pages as $page) {
$lastmod = ($page->updated) ?
$page->updated_at :
$page->created_at ;
$xml.= '<url>'."\n".
'<loc>'.
$page->url().
'</loc>'."\n".
'<lastmod>'.
when("c", $lastmod).
'</lastmod>'."\n".
'<changefreq>'.
$settings["pages_changefreq"].
'</changefreq>'."\n".
'<priority>'.
(($page->show_in_list) ? "1.0" : "0.5").
'</priority>'."\n".
'</url>'."\n";
}
$xml.= '</urlset>'."\n";
$filepath = $settings["sitemap_path"].DIR."sitemap.xml";
$success = file_put_contents($filepath, $xml);
if (DEBUG and $success !== false)
error_log("SITEMAP updated ".$filepath);
}
}