misuzu/src/Http/Handlers/NewsHandler.php

146 lines
5.8 KiB
PHP

<?php
namespace Misuzu\Http\Handlers;
use Misuzu\Config;
use Misuzu\Config\IConfig;
use Misuzu\DB;
use Misuzu\Pagination;
use Misuzu\Template;
use Misuzu\Feeds\Feed;
use Misuzu\Feeds\FeedItem;
use Misuzu\Feeds\AtomFeedSerializer;
use Misuzu\Feeds\RssFeedSerializer;
use Misuzu\News\NewsCategory;
use Misuzu\News\NewsPost;
use Misuzu\News\NewsCategoryNotFoundException;
use Misuzu\News\NewsPostNotFoundException;
use Misuzu\Parsers\Parser;
use Misuzu\Users\User;
final class NewsHandler extends Handler {
public function index($response, $request) {
$categories = NewsCategory::all();
$newsPagination = new Pagination(NewsPost::countAll(true), 5);
if(!$newsPagination->hasValidOffset())
return 404;
$response->setContent(Template::renderRaw('news.index', [
'categories' => $categories,
'posts' => NewsPost::all($newsPagination, true),
'news_pagination' => $newsPagination,
]));
}
public function viewCategory($response, $request, string $fileName) {
$categoryId = (int)pathinfo($fileName, PATHINFO_FILENAME);
$type = pathinfo($fileName, PATHINFO_EXTENSION);
try {
$categoryInfo = NewsCategory::byId($categoryId);
} catch(NewsCategoryNotFoundException $ex) {
return 404;
}
if($type === 'atom')
return $this->feedCategoryAtom($response, $request, $categoryInfo);
elseif($type === 'rss')
return $this->feedCategoryRss($response, $request, $categoryInfo);
elseif($type !== '')
return 404;
$categoryPagination = new Pagination(NewsPost::countByCategory($categoryInfo), 5);
if(!$categoryPagination->hasValidOffset())
return 404;
$response->setContent(Template::renderRaw('news.category', [
'category_info' => $categoryInfo,
'posts' => $categoryInfo->posts($categoryPagination),
'news_pagination' => $categoryPagination,
]));
}
public function viewPost($response, $request, int $postId) {
try {
$postInfo = NewsPost::byId($postId);
} catch(NewsPostNotFoundException $ex) {
return 404;
}
if(!$postInfo->isPublished() || $postInfo->isDeleted())
return 404;
$postInfo->ensureCommentsCategory();
$commentsInfo = $postInfo->getCommentsCategory();
$response->setContent(Template::renderRaw('news.post', [
'post_info' => $postInfo,
'comments_info' => $commentsInfo,
'comments_user' => User::getCurrent(),
]));
}
private function createFeed(string $feedMode, ?NewsCategory $categoryInfo, array $posts): Feed {
$hasCategory = !empty($categoryInfo);
$pagination = new Pagination(10);
$posts = $hasCategory ? $categoryInfo->posts($pagination) : NewsPost::all($pagination, true);
$feed = (new Feed)
->setTitle(Config::get('site.name', IConfig::T_STR, 'Misuzu') . ' » ' . ($hasCategory ? $categoryInfo->getName() : 'Featured News'))
->setDescription($hasCategory ? $categoryInfo->getDescription() : 'A live featured news feed.')
->setContentUrl(url_prefix(false) . ($hasCategory ? url('news-category', ['category' => $categoryInfo->getId()]) : url('news-index')))
->setFeedUrl(url_prefix(false) . ($hasCategory ? url("news-category-feed-{$feedMode}", ['category' => $categoryInfo->getId()]) : url("news-feed-{$feedMode}")));
foreach($posts as $post) {
$postUrl = url_prefix(false) . url('news-post', ['post' => $post->getId()]);
$commentsUrl = url_prefix(false) . url('news-post-comments', ['post' => $post->getId()]);
$authorUrl = url_prefix(false) . url('user-profile', ['user' => $post->getUser()->getId()]);
$feedItem = (new FeedItem)
->setTitle($post->getTitle())
->setSummary($post->getFirstParagraph())
->setContent(Parser::instance(Parser::MARKDOWN)->parseText($post->getText()))
->setCreationDate($post->getCreatedTime())
->setUniqueId($postUrl)
->setContentUrl($postUrl)
->setCommentsUrl($commentsUrl)
->setAuthorName($post->getUser()->getUsername())
->setAuthorUrl($authorUrl);
if(!$feed->hasLastUpdate() || $feed->getLastUpdate() < $feedItem->getCreationDate())
$feed->setLastUpdate($feedItem->getCreationDate());
$feed->addItem($feedItem);
}
return $feed;
}
public function feedIndexAtom($response, $request) {
$response->setContentType('application/atom+xml; charset=utf-8');
return (new AtomFeedSerializer)->serializeFeed(
self::createFeed('atom', null, NewsPost::all(new Pagination(10), true))
);
}
public function feedIndexRss($response, $request) {
$response->setContentType('application/rss+xml; charset=utf-8');
return (new RssFeedSerializer)->serializeFeed(
self::createFeed('rss', null, NewsPost::all(new Pagination(10), true))
);
}
public function feedCategoryAtom($response, $request, NewsCategory $categoryInfo) {
$response->setContentType('application/atom+xml; charset=utf-8');
return (new AtomFeedSerializer)->serializeFeed(
self::createFeed('atom', $categoryInfo, $categoryInfo->posts(new Pagination(10)))
);
}
public function feedCategoryRss($response, $request, NewsCategory $categoryInfo) {
$response->setContentType('application/rss+xml; charset=utf-8');
return (new RssFeedSerializer)->serializeFeed(
self::createFeed('rss', $categoryInfo, $categoryInfo->posts(new Pagination(10)))
);
}
}