feat: add Chiphell support (#4215)

docs/bbs.md

@@ -4,6 +4,12 @@ pageClass: routes
 
 # 论坛
 
+## Chiphell
+
+### 子版块
+
+<Route author="tylinux" example="/chiphell/forum/80" path="/chiphell/forum/:forumId" :paramsDesc="['子版块 id，可在子版块 URL 找到']"/>
+
 ## Dcard
 
 ### 首頁帖子

lib/router.js

@@ -2348,4 +2348,7 @@ router.get('/csc/notice/:type?', require('./routes/csc/notice'));
 // LearnKu
 router.get('/learnku/:community/:category?', require('./routes/learnku/topic'));
 
+// Chiphell
+router.get('/chiphell/forum/:forumId?', require('./routes/chiphell/forum'));
+
 module.exports = router;

lib/routes/chiphell/forum.js

@@ -0,0 +1,82 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+const parser = require('@/utils/rss-parser');
+
+module.exports = async (ctx) => {
+    const forumId = ctx.params.forumId;
+
+    const feed = await parser.parseURL(`https://www.chiphell.com/forum.php?mod=rss&fid=${forumId}`);
+    const items = await Promise.all(
+        feed.items.map(async (item) => {
+            const cache = await ctx.cache.get(item.link);
+            if (cache) {
+                return Promise.resolve(JSON.parse(cache));
+            }
+
+            const response = await got({
+                method: 'get',
+                url: item.link,
+            });
+
+            const html = response.data;
+            const $ = cheerio.load(html);
+            const description = $('div[class="pcb"]').first();
+            const imgNode = $(description).find('img');
+
+            // replace placeholer image url
+            imgNode.each((index, element) => {
+                if (
+                    $(element).attr('src') &&
+                    $(element)
+                        .attr('src')
+                        .indexOf('none.gif') !== -1
+                ) {
+                    $(element).attr('src', $(element).attr('zoomfile'));
+                }
+
+                // remove image size limit
+                $(element).attr('width', null);
+                $(element).attr('height', null);
+            });
+
+            // remove image tips
+            $(description)
+                .find('div[class*="aimg_tip"]')
+                .remove();
+            $(description)
+                .find('div[class*="tip"]')
+                .remove();
+            $(description)
+                .find('p[class="mbn"]')
+                .remove();
+
+            // remove rate infomation
+            $(description)
+                .find('dl[class="rate"]')
+                .remove();
+            $(description)
+                .find('h3[class*="psth"]')
+                .remove();
+
+            const single = {
+                title: item.title,
+                description: description.html(),
+                pubDate: item.pubDate,
+                link: item.link,
+                author: item.author,
+            };
+            ctx.cache.set(item.link, JSON.stringify(single));
+            return Promise.resolve(single);
+        })
+    );
+
+    let title = feed.title.split('-');
+    title = `${title[title.length - 1]} - Chiphell`;
+
+    ctx.state.data = {
+        title: title,
+        link: feed.link,
+        description: feed.description,
+        item: items,
+    };
+};