add feed for [ltaaa.com] (#1014)

docs/README.md

@@ -530,6 +530,16 @@ RSSHub 提供下列 API 接口:
 
 <route name="基金净值更新" author="HenryQW" example="/xueqiu/fund/040008" path="/xueqiu/fund/:id" :paramsDesc="['基金代码, 可在基金主页 URL 中找到. 此路由的数据为场外基金 (`F`开头)']"/>
 
+### 龙腾网
+
+<route name="转译网贴" author="sgqy" example="/ltaaa" path="/ltaaa/:type?" :paramsDesc="['热门类型.']">
+
+| 最新 | 每周 | 每月  | 全年 |
+| ---- | ---- | ----- | ---- |
+| (空) | week | month | year |
+
+</route>
+
 ## 编程
 
 ### 掘金

router.js

@@ -718,6 +718,9 @@ router.get('/oilprice/:area', require('./routes/oilprice'));
 router.get('/nhentai/search/:keyword', require('./routes/nhentai/search'));
 router.get('/nhentai/:key/:keyword', require('./routes/nhentai/other'));
 
+// 龙腾网
+router.get('/ltaaa/:type?', require('./routes/ltaaa/main'));
+
 // AcFun
 router.get('/acfun/bangumi/:id', require('./routes/acfun/bangumi'));
 

routes/ltaaa/_article.js

@@ -0,0 +1,41 @@
+const axios = require('../../utils/axios'); // get web content
+const cheerio = require('cheerio'); // html parser
+const iconv = require('iconv-lite');
+
+const domain = 'http://www.ltaaa.com';
+
+module.exports = async function get_article(url) {
+    if (/^\/.*$/.test(url)) {
+        url = domain + url;
+    }
+    const response = await axios({
+        method: 'get',
+        url: url,
+        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:62.0) Gecko/20100101 Firefox/62.0',
+        responseType: 'arraybuffer',
+    });
+    const data = response.data;
+    const $ = cheerio.load(iconv.decode(data, 'CP936'));
+
+    const title = $('div.post-title > strong').text();
+    const author = $('div.post-param > a').text();
+    const pub_date_raw = $('div.post-param')
+        .clone()
+        .children()
+        .remove()
+        .end()
+        .text();
+    let date = new Date(pub_date_raw);
+    date.setHours(date.getHours() - 8);
+    date = new Date(Date.UTC(date.getFullYear(), date.getMonth(), date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds()));
+    const content = $('div.post-content').html() + '<br/><hr/><br/>' + $('div.post-comment').html();
+
+    const item = {
+        title: title,
+        pubDate: date.toUTCString(),
+        author: author,
+        link: url,
+        description: content,
+    };
+    return item;
+};

routes/ltaaa/main.js

@@ -0,0 +1,58 @@
+// Warning: The author still knows nothing about javascript!
+
+// params:
+// type: notification type
+
+const axios = require('../../utils/axios'); // get web content
+const cheerio = require('cheerio'); // html parser
+const get_article = require('./_article');
+
+const base_url = 'http://www.ltaaa.com';
+module.exports = async (ctx) => {
+    const type = ctx.params.type || 'news'; // week, month or year
+    let target = '';
+    switch (type) {
+        case 'week':
+            target = 'ul.vweek';
+            break;
+        case 'month':
+            target = 'ul.vmonth';
+            break;
+        case 'year':
+            target = 'ul.vyear';
+            break;
+        default:
+            target = 'ul.wlist';
+    }
+
+    const list_url = base_url + '/wtfy.html';
+    const response = await axios({
+        method: 'get',
+        url: list_url,
+    });
+    const data = response.data; // content is html format
+    const $ = cheerio.load(data);
+
+    // get urls
+    const detail_urls = [];
+
+    let a = $(target).find('a.rtitle');
+    if (!a || a.length <= 0) {
+        a = $(target).find('div.dtop > a');
+    }
+
+    for (let i = 0; i < a.length; ++i) {
+        const tmp = $(a[i]).attr('href');
+        detail_urls.push(tmp);
+    }
+
+    // get articles
+    const article_list = await Promise.all(detail_urls.map((url) => get_article(url)));
+
+    // feed the data
+    ctx.state.data = {
+        title: '龙腾网转译网贴',
+        link: list_url,
+        item: article_list,
+    };
+};