fix: update guokr channel api (#4178)

docs/new-media.md

@@ -431,7 +431,7 @@ Supported sub-sites：
 
 ### 果壳网专栏
 
-<Route author="DHPO" example="/guokr/calendar" path="/guokr/:category" :paramsDesc="['专栏类别']">
+<Route author="DHPO hoilc" example="/guokr/calendar" path="/guokr/:channel" :paramsDesc="['专栏类别']">
 | 物种日历 | 吃货研究所 | 美丽也是技术活 |
 | ------- | ---------| ------------ |
 | calendar | institute | beauty |

lib/router.js

@@ -752,7 +752,7 @@ router.get('/ifanr/:channel?', require('./routes/ifanr/index'));
 
 // 果壳网
 router.get('/guokr/scientific', require('./routes/guokr/scientific'));
-router.get('/guokr/:category', require('./routes/guokr/calendar'));
+router.get('/guokr/:channel', require('./routes/guokr/calendar'));
 
 // 联合早报
 router.get('/zaobao/realtime/:section?', require('./routes/zaobao/realtime'));

lib/routes/guokr/calendar.js

@@ -9,23 +9,25 @@ async function loadFullPage(ctx, id) {
     return content;
 }
 
-const categoryMap = {
-    calendar: '物种日历',
-    institute: '吃货研究所',
-    beauty: '美丽也是技术活',
+const channelMap = {
+    calendar: 'pac',
+    institute: 'predator',
+    foodlab: 'predator',
+    pretty: 'beauty',
 };
 
 module.exports = async (ctx) => {
-    const category = ctx.params.category;
-    if (categoryMap[category] === undefined) {
-        throw new Error(`Unknown category ${category}`);
+    const channel = channelMap[ctx.params.channel] ? channelMap[ctx.params.channel] : ctx.params.channel;
+
+    const response = await got.get(`https://www.guokr.com/apis/minisite/article.json?retrieve_type=by_wx&channel_key=${channel}&offset=0&limit=10`);
+    const items = response.data.result;
+
+    if (items.length === 0) {
+        throw 'Unknown channel';
     }
 
-    const response = await got.get(`https://www.guokr.com/${category}`);
-
-    const rule = /(?<=<script>\s*window\.INITIAL_STORE=)[\s\S]*?(?=<\/script>)/g; // 在某个script标签下可以找到文章信息
-    const data = JSON.parse(rule.exec(response.data)[0]);
-    const items = data[`${category}ArticleListStore`].articleList;
+    const channel_name = items[0].channels[0].name;
+    const channel_url = items[0].channels[0].url;
 
     const result = await Promise.all(
         items.map(async (item) => ({
@@ -38,9 +40,8 @@ module.exports = async (ctx) => {
     );
 
     ctx.state.data = {
-        title: `果壳网 ${categoryMap[category]}`,
-        link: 'https://www.guokr.com/calendar',
-        description: `果壳网 ${categoryMap[category]}`,
+        title: `果壳网 ${channel_name}`,
+        link: channel_url,
         item: result,
     };
 };