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e40e79ee12
Should probably stop setting pubDate to 'In Progress', it's an artifact of how the site used to work.
113 lines
3.8 KiB
PHP
113 lines
3.8 KiB
PHP
<?php
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# Copyright 2011, 2015-2016 Daniel James
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# Distributed under the Boost Software License, Version 1.0.
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# (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
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class BoostRss {
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var $root;
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var $rss_state_path;
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var $rss_items;
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function __construct($root, $rss_state_path) {
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$this->root = $root;
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$this->rss_state_path = "{$root}/{$rss_state_path}";
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if (is_file($this->rss_state_path)) {
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$this->rss_items = BoostState::load($this->rss_state_path);
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}
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}
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function generate_rss_feed($feed_data) {
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$feed_file = $feed_data['path'];
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$feed_pages = $feed_data['pages'];
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$rss_feed = $this->rss_prefix($feed_file, $feed_data);
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if (isset($feed_data['count'])) {
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$feed_pages = array_slice($feed_pages, 0, $feed_data['count']);
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}
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foreach ($feed_pages as $qbk_page) {
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$item_xml = null;
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if ($qbk_page->loaded) {
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$item = $this->generate_rss_item($qbk_page->qbk_file, $qbk_page);
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$item['item'] = BoostSiteTools::trim_lines($item['item']);
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$this->rss_items[$qbk_page->qbk_file] = $item;
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BoostState::save($this->rss_items, $this->rss_state_path);
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$rss_feed .= $item['item'];
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} else if (isset($this->rss_items[$qbk_page->qbk_file])) {
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$rss_feed .= $this->rss_items[$qbk_page->qbk_file]['item'];
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} else {
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echo "Missing entry for {$qbk_page->qbk_file}\n";
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}
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}
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$rss_feed .= $this->rss_postfix($feed_file, $feed_data);
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$output_file = fopen("{$this->root}/{$feed_file}", 'wb');
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fwrite($output_file, $rss_feed);
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fclose($output_file);
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}
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function rss_prefix($feed_file, $details) {
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$title = $this->encode_for_rss($details['title']);
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$link = $this->encode_for_rss("http://www.boost.org/".$details['link']);
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$description = '';
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$language = 'en-us';
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$copyright = 'Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)';
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return <<<EOL
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<?xml version="1.0" encoding="UTF-8"?>
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<rss version="2.0" xmlns:boostbook="urn:boost.org:boostbook">
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<channel>
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<generator>Boost Website Site Tools</generator>
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<title>{$title}</title>
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<link>{$link}</link>
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<description>{$description}</description>
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<language>{$language}</language>
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<copyright>{$copyright}</copyright>
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EOL;
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}
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function rss_postfix($feed_file, $details) {
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return "\n </channel>\n</rss>\n";
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}
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function generate_rss_item($qbk_file, $page) {
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assert($page->loaded);
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$xml = '';
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$page_link = "http://www.boost.org/{$page->location}";
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$xml .= '<item>';
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$xml .= '<title>'.$this->encode_for_rss($page->title_xml).'</title>';
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$xml .= '<link>'.$this->encode_for_rss($page_link).'</link>';
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$xml .= '<guid>'.$this->encode_for_rss($page_link).'</guid>';
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# TODO: Maybe use $page->last_modified as date for 'In Progress'.
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if ($page->pub_date != 'In Progress') {
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$rss_date = strtotime($page->pub_date);
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assert($rss_date != false);
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$xml .= '<pubDate>'.$this->encode_for_rss(date(DATE_RSS, $rss_date)).'</pubDate>';
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}
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# Placing the description in a root element to make it well formed xml->
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$description = BoostSiteTools::base_links($page->description_xml, $page_link);
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$xml .= '<description>'.$this->encode_for_rss($description).'</description>';
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$xml .= '</item>';
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return(array(
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'item' => $xml,
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'quickbook' => $qbk_file,
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'last_modified' => $page->last_modified,
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));
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}
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function encode_for_rss($x) {
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return htmlspecialchars($x, ENT_NOQUOTES);
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}
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}
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