feat: add Chiphell support (#4215)

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,
+    };
+};