feat(route): 增加登链社区 (#11759)

* feat(route): 增加登链社区

* fix(route): 修复路由找不到的问题

* fix(route): 修复eslint问题

* fix(route): 修复deepscan报错

* Update docs/programming.md

* Update lib/v2/learnblockchain/posts.js

* fix(route): 修复错误日期

---------

docs/programming.md

@@ -824,6 +824,35 @@ GitHub 官方也提供了一些 RSS:
 
 <Route author="phantomk" example="/eleme/open-be/announce" path="/eleme/open-be/announce"/>
 
+## 登链社区
+
+### 文章
+
+<Route author="running-grass" example="/learnblockchain/posts/DApp/newest" path="/eleduck/posts/:cid/:sort?" :paramsDesc="['分类id,更多分类可以论坛的URL找到', '排序方式，默认精选']" radar="1">
+
+| id       | 分类         |
+|----------|--------------|
+| all      | 全部         |
+| DApp     | 去中心化应用 |
+| chains   | 公链         |
+| 联盟链   | 联盟链       |
+| scaling  | Layer2       |
+| langs    | 编程语言     |
+| security | 安全         |
+| dst      | 存储         |
+| basic    | 理论研究     |
+| other    | 其他             |
+
+
+| id       | 排序方式   |
+|----------|------------|
+| newest   | 最新       |
+| featured | 精选(默认) |
+| featured | 最赞       |
+| hottest  | 最热       |
+
+</Route>
+
 ## 极客时间
 
 ### 专栏文章

lib/v2/learnblockchain/maintainer.js

@@ -0,0 +1,3 @@
+module.exports = {
+    '/posts/:cid/:sort?': ['running-grass'],
+};

lib/v2/learnblockchain/posts.js

@@ -0,0 +1,42 @@
+const cheerio = require('cheerio');
+const got = require('@/utils/got');
+const {
+    parseRelativeDate
+} = require('@/utils/parse-date');
+
+module.exports = async (ctx) => {
+    const cid = ctx.params.cid || 'all';
+    const sort = ctx.params.sort;
+
+    let url = 'https://learnblockchain.cn/categories/';
+    url += cid + '/';
+
+    if (sort) {
+        url += sort + '/';
+    }
+
+    const response = await got(url);
+
+    const data = response.data;
+    const $ = cheerio.load(data);
+    const list = $('div.stream-list section.stream-list-item');
+
+    ctx.state.data = {
+        title: `登链社区--${cid}`,
+        link: url,
+        description: `登链社区`,
+        item: list && list.map((idx, ite) => {
+            const item = $(ite);
+            const json = {
+                title: item.find('h2.title').text().trim(),
+                description: item.find('div.excerpt').text().trim(),
+                pubDate: parseRelativeDate(item.find('.author li:nth-child(2)').text().replace('发布于', '').trim()),
+                link: item.find('h2.title a').attr('href').trim(),
+                author: item.find('.author li:nth-child(1)').text().trim(),
+            };
+
+            return json;
+        }).get(),
+    };
+
+};

lib/v2/learnblockchain/radar.js

@@ -0,0 +1,19 @@
+module.exports = {
+    'learnblockchain.cn': {
+        _name: '登链社区',
+        '.': [{
+                title: '分类文章',
+                docs: 'https://docs.rsshub.app/programming.html#deng-lian-she-qu-wen-zhang',
+                source: '/categories/:cid/:sort?',
+                target: (params) => `/learnblockchain/posts/${params.cid}/${params.sort}`,
+            },
+            {
+                title: '全部文章',
+                docs: 'https://docs.rsshub.app/programming.html#deng-lian-she-qu-wen-zhang',
+                source: '*',
+                target: () => '/learnblockchain/posts/all/',
+            }
+
+        ],
+    },
+};

lib/v2/learnblockchain/router.js

@@ -0,0 +1,3 @@
+module.exports = (router) => {
+    router.get('/posts/:cid/:sort?', require('./posts'));
+};