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Add feed widget

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This commit is contained in:
joyqi 2022-04-06 18:26:15 +08:00
parent d4068b1661
commit f49564db23
2 changed files with 131 additions and 1 deletions
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3
var/Widget/Archive.php
View File

@ -1012,7 +1012,8 @@ class Archive extends Contents
$linkText = empty($title) ? $content['title'] : $title;
$linkClass = empty($tagClass) ? '' : 'class="' . $tagClass . '" ';
$link = '<a ' . $linkClass . 'href="' . $content['permalink'] . '" title="' . $content['title'] . '">' . $linkText . '</a>';
$link = '<a ' . $linkClass . 'href="' . $content['permalink']
. '" title="' . $content['title'] . '">' . $linkText . '</a>';
printf($format, $link);
} else {

129
var/Widget/Feed.php Normal file
View File

@ -0,0 +1,129 @@
<?php
namespace Widget;
use Exception;
use Typecho\Common;
use Typecho\Config;
use Typecho\Router;
use Typecho\Widget\Exception as WidgetException;
use Widget\Base\Contents;
use Typecho\Feed as FeedGenerator;
if (!defined('__TYPECHO_ROOT_DIR__')) {
exit;
}
/**
* Feed handler
*/
class Feed extends Contents
{
/**
* @param Config $parameter
* @throws Exception
*/
protected function initParameter(Config $parameter)
{
$parameter->setDefault([
'pageSize' => 10,
]);
}
/**
* @throws Exception
*/
public function execute()
{
$feedPath = $this->request->feed;
$feedType = FeedGenerator::RSS2;
$feedContentType = 'application/rss+xml';
$currentFeedUrl = $this->options->feedUrl;
$isComments = false;
/** 判断聚合类型 */
switch (true) {
case preg_match("/^\/rss(\/|$)/", $feedPath):
/** 如果是RSS1标准 */
$feedPath = substr($feedPath, 4);
$feedType = FeedGenerator::RSS1;
$currentFeedUrl = $this->options->feedRssUrl;
$feedContentType = 'application/rdf+xml';
break;
case preg_match("/^\/atom(\/|$)/", $feedPath):
/** 如果是ATOM标准 */
$feedPath = substr($feedPath, 5);
$feedType = FeedGenerator::ATOM1;
$currentFeedUrl = $this->options->feedAtomUrl;
$feedContentType = 'application/atom+xml';
break;
default:
break;
}
$feed = new FeedGenerator(
Common::VERSION,
$feedType,
$this->options->charset,
_t('zh-CN')
);
if (preg_match("/^\/comments\/?$/", $feedPath)) {
$isComments = true;
$currentFeedUrl = Common::url('/comments/', $currentFeedUrl);
$feed->setBaseUrl($this->options->siteUrl);
$feed->setSubTitle($this->options->description);
} else {
$archive = Router::match($feedPath, [
'pageSize' => $this->parameter->pageSize,
'isFeed' => true
]);
if (!($archive instanceof Archive)) {
throw new WidgetException(_t('聚合页不存在'), 404);
}
$path = parse_url($archive->getArchiveUrl(), PHP_URL_PATH);
$currentFeedUrl = Common::url($path, $currentFeedUrl);
$feed->setBaseUrl($archive->getArchiveUrl());
$feed->setSubTitle($archive->getDescription());
}
$this->checkPermalink($currentFeedUrl);
$feed->setFeedUrl($currentFeedUrl);
$this->render($feed, $feedContentType, $isComments, $archive ?? null);
}
/**
* @param FeedGenerator $feed
* @param string $contentType
* @param bool $isComments
* @param Archive|null $archive
*/
public function render(
FeedGenerator $feed,
string $contentType,
bool $isComments,
?Archive $archive
) {
if ($isComments || $archive->is('single')) {
$feed->setTitle(_t(
'%s 的评论',
$this->options->title . ($isComments ? '' : ' - ' . $archive->getArchiveTitle())
));
} else {
$feed->setTitle($this->options->title
. ($archive->getArchiveTitle() ? ' - ' . $archive->getArchiveTitle() : ''));
}
}
/**
* @param string $feedUrl
*/
private function checkPermalink(string $feedUrl)
{
if ($feedUrl != $this->request->getRequestUri()) {
$this->response->redirect($feedUrl, true);
}
}
}