90 lines
2.4 KiB
PHP
90 lines
2.4 KiB
PHP
<?php
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/**
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* Name: RSS for Comments
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* Author: Shish <webmaster@shishnet.org>
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* License: GPLv2
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* Description: Self explanitory
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*/
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class RSS_Comments implements Extension {
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// event handling {{{
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public function receive_event(Event $event) {
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if($event instanceof PostListBuildingEvent) {
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global $page;
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global $config;
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$title = $config->get_string('title');
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$page->add_header("<link rel=\"alternate\" type=\"application/rss+xml\" ".
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"title=\"$title - Comments\" href=\"".make_link("rss/comments")."\" />");
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}
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if(($event instanceof PageRequestEvent) && $event->page_matches("rss")) {
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if($event->get_arg(0) == 'comments') {
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global $database;
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$this->do_rss($database);
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}
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}
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}
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// }}}
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// output {{{
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private function do_rss($database) {
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global $page;
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global $config;
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$page->set_mode("data");
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$page->set_type("application/rss+xml");
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$comments = $database->get_all("
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SELECT
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users.id as user_id, users.name as user_name,
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comments.comment as comment, comments.id as comment_id,
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comments.image_id as image_id, comments.owner_ip as poster_ip,
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UNIX_TIMESTAMP(posted) AS posted_timestamp
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FROM comments
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LEFT JOIN users ON comments.owner_id=users.id
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ORDER BY comments.id DESC
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LIMIT 10
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");
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$data = "";
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foreach($comments as $comment) {
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$image_id = $comment['image_id'];
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$comment_id = $comment['comment_id'];
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$link = make_link("post/view/$image_id");
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$owner = html_escape($comment['user_name']);
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$posted = strftime("%a, %d %b %Y %T %Z", $comment['posted_timestamp']);
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$comment = html_escape($comment['comment']);
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$content = html_escape("$owner: $comment");
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$data .= "
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<item>
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<title>$owner comments on $image_id</title>
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<link>$link</link>
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<guid isPermaLink=\"false\">$comment_id</guid>
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<pubDate>$posted</pubDate>
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<description>$content</description>
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</item>
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";
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}
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$title = $config->get_string('title');
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$base_href = $config->get_string('base_href');
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$version = $config->get_string('version');
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$xml = <<<EOD
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<?xml version="1.0" encoding="utf-8" ?>
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<rss version="2.0">
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<channel>
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<title>$title</title>
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<description>The latest comments on the image board</description>
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<link>$base_href</link>
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<generator>$version</generator>
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<copyright>(c) 2007 Shish</copyright>
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$data
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</channel>
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</rss>
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EOD;
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$page->set_data($xml);
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}
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// }}}
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}
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add_event_listener(new RSS_Comments());
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?>
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