modify: houxu/lives (#1883)

fix: houxu/lives/new 为空的问题
refactor: houxu/lives 从后续 App 接口获取数据，增加摘要显示
docs: 调整 houxu/lives 的文档，描述更加清晰

docs/other.md

@@ -183,7 +183,13 @@
 
 </Route>
 
-<Route name="最新Live" author="ciaranchen" example="/houxu/lives/new" path="/houxu/lives/:type" :paramsDesc="['类型。实时进展`realtime` 或 最近关注`new`']" />
+<Route name="最新Live" author="ciaranchen" example="/houxu/lives/new" path="/houxu/lives/:type" :paramsDesc="['类型']">
+
+| Live 实时（往事进展） | 最近 Live（最新关注） |
+| --------------------- | --------------------- |
+| realtime              | new                   |
+
+</Route>
 
 <Route name="最新专栏" author="ciaranchen" example="/houxu/events" path="/houxu/events"/>
 

lib/routes/houxu/lives.js

@@ -1,34 +1,56 @@
 const axios = require('../../utils/axios');
-const cheerio = require('cheerio');
 
-module.exports = async (ctx) => {
-    const { type } = ctx.params;
-    const baseUrl = `https://houxu.app/lives/${type}`;
-    const res = await axios.get(baseUrl);
-    const $ = cheerio.load(res.data);
+const liveUrlById = (liveId) => `https://houxu.app/lives/${liveId}`;
 
-    const list = $('div.live-realtime');
-    const out = list
-        .map((_, el) => {
-            const each = $(el);
+const realtimeHandler = async () => {
+    const res = await axios.get('https://houxu.app/api/1/lives/updated/');
+    const out = res.data.results.map((el) => ({
+        title: el.last.link.title,
+        description: el.last.link.media.name + '：<br />' + el.last.link.description,
+        link: liveUrlById(el.id),
+        guid: 'realtime-' + el.id + '-' + el.last.id,
+        pubDate: new Date(el.last.create_at).toUTCString(),
+    }));
 
-            return {
-                title: each
-                    .find('h4 > a')
-                    .text()
-                    .trim(),
-                link: 'https://houxu.app' + each.find('h4 > a').attr('href'),
-            };
-        })
-        .get();
-    ctx.state.data = {
-        title: $('title')
-            .text()
-            .trim(),
-        description: $('li.active')
-            .text()
-            .trim(),
-        link: baseUrl,
+    return {
+        title: 'Live 实时 - 后续',
+        description: 'Live 往事进展',
+        link: 'https://houxu.app/lives/realtime',
         item: out,
     };
 };
+
+const newHandler = async () => {
+    const res = await axios.get('https://houxu.app/api/1/records/index/');
+    const out = res.data.results
+        .filter((el) => el.type === 'live')
+        .map((el) => ({
+            title: el.object.title,
+            description: el.object.summary,
+            link: liveUrlById(el.id),
+            guid: 'new-' + el.id + '-' + el.object.id,
+            pubDate: new Date(el.object.create_at).toUTCString(),
+        }));
+    return {
+        title: '最近 Live - 后续',
+        description: 'Live 最新关注',
+        link: 'https://houxu.app/lives/new',
+        item: out,
+    };
+};
+
+module.exports = async (ctx) => {
+    const { type } = ctx.params;
+
+    switch (type) {
+        case 'realtime':
+            ctx.state.data = await realtimeHandler();
+            break;
+        case 'new':
+            ctx.state.data = await newHandler();
+            break;
+        default:
+            ctx.throw(404, 'Unknown lives type');
+            return;
+    }
+};