feat(route): add 香港討論區 (#8101)

Co-authored-by: DIYgod <diy.d.god@gmail.com>

docs/new-media.md

@@ -2644,6 +2644,12 @@ column 为 third 时可选的 category:
 
 </Route>
 
+## 香港討論區
+
+### 版塊
+
+<Route author="nczitzk" example="/discuss/62" path="/discuss/:fid" :paramsDesc="['fid，可在对应板块页的 URL 中找到']"/>
+
 ## 香水时代
 
 ### 首页

lib/router.js

@@ -4210,6 +4210,9 @@ router.get('/right/forum/:id?', lazyloadRouteHandler('./routes/right/forum'));
 // 香港經濟日報
 router.get('/hket/:category?', lazyloadRouteHandler('./routes/hket/index'));
 
+// 香港討論區
+router.get('/discuss/:fid', lazyloadRouteHandler('./routes/discuss'));
+
 // Uwants
 router.get('/uwants/:fid', lazyloadRouteHandler('./routes/uwants'));
 

lib/routes/discuss/index.js

@@ -0,0 +1,71 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+const timezone = require('@/utils/timezone');
+const { parseDate } = require('@/utils/parse-date');
+
+module.exports = async (ctx) => {
+    const fid = ctx.params.fid;
+
+    const rootUrl = 'https://www.discuss.com.hk';
+    const currentUrl = `${rootUrl}/archiver/?fid-${fid}.html`;
+
+    const response = await got({
+        method: 'get',
+        url: currentUrl,
+    });
+
+    const $ = cheerio.load(response.data);
+
+    const list = $('li a')
+        .slice(0, ctx.query.limit ? parseInt(ctx.query.limit) : 15)
+        .map((_, item) => {
+            item = $(item);
+
+            return {
+                title: item.text(),
+                link: `${rootUrl}/${item.attr('href')}`,
+            };
+        })
+        .get();
+
+    const items = await Promise.all(
+        list.map((item) =>
+            ctx.cache.tryGet(item.link, async () => {
+                const detailResponse = await got({
+                    method: 'get',
+                    url: item.link,
+                });
+
+                const data = detailResponse.data
+                    .replace(/\[img\]https:\/\/www\.discuss\.com\.hk\/images\/common\/back\.gif\[\/img\]/g, '')
+                    .replace(/\[url=(.*?)\]/gm, '<a href="$1">')
+                    .replace(/\[(\w+)=(.*?)\]/gm, '<span style="$1: $2;">')
+                    .replace(/\[\/(color|size)\]/gm, '</span>')
+                    .replace(/\[\/url\]/gm, '</a>')
+                    .replace(/\[(\w+)\]/gm, '<$1>')
+                    .replace(/\[\/(\w+)\]/gm, '</$1>');
+
+                const content = cheerio.load(data);
+
+                const cite = content('cite');
+                item.author = cite.eq(0).text();
+                const firstAuthorParent = cite.eq(0).parent();
+
+                item.description = content('.archiver_post').html();
+
+                cite.remove();
+
+                item.link = `${rootUrl}/viewthread.php?tid=${item.link.match(/tid-(\d+)\.html/)[1]}`;
+                item.pubDate = timezone(parseDate(firstAuthorParent.text().trim(), 'YYYY-M-D hh:mm A'), +8);
+
+                return item;
+            })
+        )
+    );
+
+    ctx.state.data = {
+        title: `${$('h1 a').text().replace('查看完整版本            : ', '')} - 香港討論區`,
+        link: `${rootUrl}/forumdisplay.php?fid=${fid}`,
+        item: items,
+    };
+};