From 2e1116b155ec54beb89153f37a5f0de90212815c Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Fri, 8 Nov 2019 01:02:50 +0100
Subject: [PATCH] issue: feed subpage for atom xml formatting

Feature of news articles lost during database transition.

Include adapted from nieuws/feed/index.php for different object structure
(to be merged again later if possible).
---
 issue/feed.inc.php | 29 +++++++++++++++++++++++++++++
 issue/index.php    |  6 +++++-
 2 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 issue/feed.inc.php

diff --git a/issue/feed.inc.php b/issue/feed.inc.php
new file mode 100644
index 0000000..1c4202e
--- /dev/null
+++ b/issue/feed.inc.php
@@ -0,0 +1,29 @@
+<?php
+header('Content-Type: application/atom+xml; charset=utf-8');
+print '<?xml version="1.0" encoding="utf-8"?>';
+$siteref = (empty($_SERVER['HTTPS']) ? 'http' : 'https') . '://' . $_SERVER['HTTP_HOST'];
+?>
+
+<feed xmlns="http://www.w3.org/2005/Atom">
+	<title>Lijtweg.nl</title>
+	<subtitle>Meldingen</subtitle>
+	<id><?= $siteref ?>/</id>
+	<link href="<?= $siteref ?>/" />
+	<link href="<?= $siteref . $_SERVER['REQUEST_URI'] ?>" rel="self" />
+	<author><name>Lijtweg</name></author>
+<?php
+while ($row = $query->fetch()) {
+?>
+	<entry>
+		<id><?= "$siteref/$Page/{$row->id}/{$row->link}" ?></id>
+		<link href="<?= "$siteref/$Page/{$row->id}/{$row->link}" ?>" />
+		<title><?= $row->subject ?></title>
+		<published><?= $row->created ?></published>
+		<updated><?= $row->updated ?></updated>
+	</entry>
+<?php
+}
+?>
+</feed>
+<?php
+exit;
diff --git a/issue/index.php b/issue/index.php
index f950861..fb6a84e 100644
--- a/issue/index.php
+++ b/issue/index.php
@@ -3,7 +3,7 @@ global $User, $Db;
 require_once 'database.inc.php';
 @list ($id, $title) = explode('/', ltrim($Args, '/'));
 
-if ($id) {
+if ($id and ctype_digit($id)) {
 	$Article->title = "Issue #$id";
 
 	$Issue = $Db->query(
@@ -60,6 +60,10 @@ if (isset($_GET['open'])) {
 $sql .= ' ORDER BY closed IS NOT NULL, updated DESC';
 $query = $Db->query($sql, [$Page]);
 
+if ($id == 'feed') {
+	require 'issue/feed.inc.php';
+}
+
 ob_start();
 print '<ul>';
 while ($row = $query->fetch()) {
-- 
2.30.0