rssmonster/lib/generate-feed.php

59 lines
1.8 KiB
PHP

<?php
declare(strict_types = 1);
include_once('config/default.php');
function generateFeed($unsortedContent) {
$loader = new \Twig\Loader\FilesystemLoader('templates/');
$twig = new \Twig\Environment($loader, [
'autoescape' => false,
'strict_variables' => true
]);
$fakeNow = time();
$realNow = time();
$items = [];
$content = $unsortedContent;
// Sort by date descending (newest first)
usort($content, fn($a, $b) => $a->serial < $b->serial ? 1 : -1);
foreach ($content as $page) {
$content = $twig->render('item-content.html', [
'url' => $page->href,
'imageUrl' => $page->imageUrl
]);
$item = $twig->render('item.xml', [
'title' => htmlspecialchars($page->title),
'pageNo' => $page->pageNo,
'fullTitle' => htmlspecialchars($page->pageNo . " // " . $page->title),
'date' => $page->pubDate ? date('c', $page->pubDate) : date('c', $fakeNow),
'url' => $page->href,
'imageUrl' => htmlspecialchars($page->imageUrl),
'content' => htmlspecialchars($content),
'serial' => $page->serial
]);
$items[] = $item;
// we use this to artificially enforce ordering on undated
// historical items (but note that it starts with the real
// time, so that when we see a newly published item it's
// accurately dated)
$fakeNow -= Config::feed['itemDelaySeconds'];
};
$feed = $twig->render('feed.xml', [
'title' => Config::feed['title'],
'description' => Config::feed['description'],
'baseUrl' => Config::baseUrl,
'feedUrl' => Config::feed['feedUrl'],
'date' => $realNow,
'items' => implode("\n", $items)
]);
return $feed;
};