feat(route): add category to cna & other improvements (#13216)

* feat(route): add category to cna.

* Include `carouseList` articles.

* Update index.js

* fix: use web api

---------

lib/v2/cna/index.js

@@ -5,31 +5,30 @@ const timezone = require('@/utils/timezone');
 
 module.exports = async (ctx) => {
     const id = ctx.params.id || 'aall';
+    const isTopic = /^\d+$/.test(id);
+    const limit = ctx.query.limit ? parseInt(ctx.query.limit, 10) : 20;
 
-    let rootUrl;
-
-    if (/^\d+$/.test(id)) {
-        rootUrl = `https://www.cna.com.tw/topic/newstopic/${id}.aspx`;
-    } else {
-        rootUrl = `https://www.cna.com.tw/list/${id}.aspx`;
-    }
-    const response = await got({
-        method: 'get',
-        url: rootUrl,
+    const { data: response } = await got({
+        method: 'post',
+        url: `https://www.cna.com.tw/cna2018api/api/${isTopic ? 'WTopic' : 'WNewsList'}`,
+        json: {
+            action: '0',
+            category: isTopic ? 'newstopic' : id,
+            tno: isTopic ? id : undefined,
+            pagesize: limit,
+            pageidx: 1,
+        },
     });
 
-    const $ = cheerio.load(response.data);
-    const list = $('.mainList li a div h2')
-        .slice(0, ctx.query.limit ? parseInt(ctx.query.limit) : 10)
-        .toArray()
-        .map((item) => {
-            item = $(item);
-            return {
-                title: item.text(),
-                link: item.parents('a').attr('href'),
-                pubDate: timezone(parseDate(item.next().text()), +8),
-            };
-        });
+    const {
+        ResultData: { MetaData: metadata },
+        ResultData: resultData,
+    } = response;
+    const list = (isTopic ? resultData.Topic.NewsItems : resultData.Items).slice(0, limit).map((item) => ({
+        title: item.HeadLine,
+        link: item.PageUrl,
+        pubDate: timezone(parseDate(item.CreateTime), +8),
+    }));
 
     const items = await Promise.all(
         list.map((item) =>
@@ -42,6 +41,12 @@ module.exports = async (ctx) => {
                 const topImage = content('.fullPic').html();
 
                 item.description = (topImage === null ? '' : topImage) + content('.paragraph').eq(0).html();
+                item.category = [
+                    ...content("meta[property='article:tag']")
+                        .get()
+                        .map((e) => e.attribs.content),
+                    content('.active > a').text(),
+                ];
 
                 return item;
             })
@@ -49,8 +54,10 @@ module.exports = async (ctx) => {
     );
 
     ctx.state.data = {
-        title: $('title').text(),
-        link: rootUrl,
+        title: metadata.Title,
+        description: metadata.Description,
+        link: metadata.CanonicalUrl,
+        image: metadata.Image,
         item: items,
     };
 };