added Atom feed for news and meetings

12 years ago · e0e44fc8c3
parent fe6fab67be
commit e0e44fc8c3
4 changed files with 49 additions and 0 deletions
--- a/db/update.d/21_Atom.php
+++ b/db/update.d/21_Atom.php
@ -0,0 +1,4 @@
+<?php
+mysql_query("INSERT IGNORE INTO `Privileges` (`name`, `desc`) VALUES ('atom', ' Atom news export')");
+$applied = mysql_affected_rows() > 0;
+?>
--- a/includes/pages/user_atom.php
+++ b/includes/pages/user_atom.php
@ -0,0 +1,39 @@
+<?php
+
+// publically available page to feed the news to feedreaders
+function user_atom() {
+  global $ical_shifts, $user, $DISPLAY_NEWS;
+
+  if (isset ($_REQUEST['key']) && preg_match("/^[0-9a-f]{32}$/", $_REQUEST['key']))
+    $key = $_REQUEST['key'];
+  else
+    die("Missing key.");
+
+  $user = sql_select("SELECT * FROM `User` WHERE `ical_key`='" . sql_escape($key) . "' LIMIT 1");
+  if (count($user) == 0)
+    die("Key invalid.");
+
+  $user = $user[0];
+  $news = sql_select("SELECT * FROM `News` " . (empty($_REQUEST['meetings'])? '' : 'WHERE `Treffen` = 1 ') . "ORDER BY `ID` DESC LIMIT " . sql_escape($DISPLAY_NEWS));
+
+  header('Content-Type: application/atom+xml; charset=utf-8');
+  $html = '<?xml version="1.0" encoding="utf-8"?>
+<feed xmlns="http://www.w3.org/2005/Atom">
+  <title>Engelsystem</title>
+  <id>' . $_SERVER['HTTP_HOST'] . htmlspecialchars(preg_replace('#[&?]key=[a-f0-9]{32}#', '', $_SERVER['REQUEST_URI'])) . '</id>
+  <updated>' . date('Y-m-d\TH:i:sP', $news[0]['Datum']) . "</updated>\n";
+  foreach ($news as $news_entry) {
+    $html .= "  <entry>
+    <title>" . htmlspecialchars($news_entry['Betreff']) . "</title>
+    <link href=\"" . page_link_to_absolute("news_comments&amp;nid=") . "${news_entry['ID']}\"/>
+    <id>" . preg_replace('#^https?://#', '', page_link_to_absolute("news")) . "-${news_entry['ID']}</id>
+    <updated>" . date('Y-m-d\TH:i:sP', $news_entry['Datum']) . "</updated>
+    <summary type=\"html\">" . htmlspecialchars($news_entry['Text']) . "</summary>
+  </entry>\n";
+  }
+  $html .= "</feed>";
+  header("Content-Length: " . strlen($html));
+  echo $html;
+  die();
+}
+?>
--- a/public/index.php
+++ b/public/index.php
@ -40,6 +40,10 @@ if ($p == "ical") {
 	require_once ('includes/pages/user_ical.php');
 	user_ical();
 }
+elseif ($p == "atom") {
+	require_once ('includes/pages/user_atom.php');
+	user_atom();
+}
 // Recht dafür vorhanden?
 elseif (in_array($p, $privileges)) {
 	if ($p == "news") {
@ -185,6 +189,7 @@ if (isset ($user) && $p != "admin_user_angeltypes")
 echo template_render('../templates/layout.html', array (
 	'theme' => isset ($user) ? $user['color'] : $default_theme,
 	'title' => $title,
+	'atom_link' => ($p == 'news' || $p == 'user_meetings')? '<link href="' . page_link_to('atom') . (($p == 'user_meetings')? '&amp;meetings=1' : '') . '&amp;key=' . $user['ical_key'] . '" type="application/atom+xml" rel="alternate" title="Atom Feed">' : '',
 	'menu' => make_menu(),
 	'content' => $content
 ));
--- a/templates/layout.html
+++ b/templates/layout.html
@ -14,6 +14,7 @@
        <script type="text/javascript" src="css/forms.js"></script>
        <link rel="stylesheet" type="text/css" href="css/base.css" />
        <link rel="stylesheet" type="text/css" href="css/style%theme%.css" />
+        %atom_link%
    </head>
    <body class="background">
        <header>