增加`gitea/blog`路由 (#1126)

docs/README.md

@@ -745,6 +745,14 @@ GitHub 官方也提供了一些 RSS:
 
 > GitChat 需要付费订阅, RSS 仅做更新提醒, 不含付费内容.
 
+### Gitea
+
+<route name="博客" author="cnzgray" example="/gitea/blog" path="/gitea/blog">
+
+> gitea 博客一般发布最新的 release 信息，路由选择用 blog 名称主要因为其地址名为 blog，而非 changlog，慎重起见还是用 blog 命名。
+
+</route>
+
 ## 直播
 
 ### 哔哩哔哩直播

router.js

@@ -808,6 +808,9 @@ router.get('/tssstatus/:board/:build', require('./routes/tssstatus'));
 router.get('/anime1/anime/:time/:name', require('./routes/anime1/anime'));
 router.get('/anime1/search/:keyword', require('./routes/anime1/search'));
 
+// gitea
+router.get('/gitea/blog', require('./routes/gitea/blog'));
+
 // iDownloadBlog
 router.get('/idownloadblog', require('./routes/idownloadblog/index'));
 

routes/gitea/blog.js

@@ -0,0 +1,76 @@
+const axios = require('../../utils/axios');
+const cheerio = require('cheerio');
+
+module.exports = async (ctx) => {
+    const host = 'https://blog.gitea.io/';
+
+    const response = await axios({
+        method: 'get',
+        url: host,
+        headers: {
+            Referer: host,
+        },
+    });
+
+    const $ = cheerio.load(response.data);
+
+    const loadContent = async (link) => {
+        // Check cache
+        const cache = await ctx.cache.get(link);
+        if (cache) {
+            return Promise.resolve(cache);
+        }
+
+        const response = await axios({
+            method: 'get',
+            url: link,
+            headers: {
+                Referer: host,
+            },
+        });
+
+        const $ = cheerio.load(response.data);
+        $('section .content script').remove();
+        $('section .content #discourse-comments').remove();
+        const html = $('section .content').html();
+        ctx.cache.set(link, html, 3 * 60 * 60);
+
+        return html;
+    };
+
+    const items = await Promise.all(
+        $('.card .card-content')
+            .get()
+            .map(async (item) => {
+                const title = $('.media .media-content .title', item).text();
+                const subtitle = $('.media .media-content .subtitle', item)
+                    .text()
+                    .replace(/\t/g, '')
+                    .replace(/\n/g, ' ')
+                    .trim();
+                const matchs = /(.*) by (.*)/.exec(subtitle);
+                const pubDate = matchs && matchs.length === 3 ? new Date(matchs[1]) : new Date();
+                const author = matchs && matchs.length === 3 ? matchs[2] : '';
+                const link = $(item)
+                    .children('a')
+                    .attr('href');
+                const desc = await loadContent(link);
+
+                const single = {
+                    title: title,
+                    link: link,
+                    guid: link,
+                    pubDate: pubDate,
+                    description: `<p>${author}</p>${desc}`,
+                };
+                return Promise.resolve(single);
+            })
+    );
+
+    ctx.state.data = {
+        title: 'Gitea Blog',
+        link: host,
+        description: 'Gitea Blog',
+        item: items,
+    };
+};