add anitama (#1770)

docs/README.md

@@ -1305,6 +1305,10 @@ GitHub 官方也提供了一些 RSS:
 
 <route name="ebb" author="Tsuki" example="/ebb" path="/ebb"/>
 
+### Anitama
+
+<route name="Anitama Channel" author="ranpox" path="/anitama/:channel?" example="/anitama" :paramsDesc="['频道id，从频道的地址栏中查看']"/>
+
 ## 程序更新
 
 ### RSSHub

lib/router.js

@@ -1163,6 +1163,9 @@ router.get('/vgtime/release', require('./routes/vgtime/release'));
 // MP4吧
 router.get('/mp4ba/:param', require('./routes/mp4ba'));
 
+// anitama
+router.get('/anitama/:channel?', require('./routes/anitama/channel'));
+
 // 親子王國
 router.get('/babykingdom/:id/:order?', require('./routes/babykingdom'));
 

lib/routes/anitama/channel.js

@@ -0,0 +1,55 @@
+const axios = require('../../utils/axios');
+const cheerio = require('cheerio');
+
+module.exports = async (ctx) => {
+    const baseUrl = 'http://www.anitama.cn';
+    const url = 'http://www.anitama.cn/channel/' + (ctx.params.channel ? ctx.params.channel : '');
+
+    const response = await axios({
+        method: 'get',
+        url: url,
+    });
+
+    const $ = cheerio.load(response.data);
+    const channel_name = $('#area-article-channel .bar')
+        .text()
+        .slice(0, -5);
+    const list = $('#area-article-channel div.inner a')
+        .slice(0, 10)
+        .map((i, e) => ({
+            link: baseUrl + $(e).attr('href'),
+        }))
+        .get();
+
+    const out = await Promise.all(
+        list.map(async (item) => {
+            const { link } = item;
+
+            const cache = await ctx.cache.get(link);
+            if (cache) {
+                return Promise.resolve(JSON.parse(cache));
+            }
+
+            const response = await axios.get(link);
+
+            const $ = cheerio.load(response.data);
+            const single = {
+                pubDate: $('.time').text(),
+                author: $('.author').text(),
+                link: link,
+                title: $('h1').text() + '-' + $('h2').text(),
+                description: $('#area-content-article').text(),
+            };
+
+            ctx.cache.set(link, JSON.stringify(single), 24 * 60 * 60);
+            return Promise.resolve(single);
+        })
+    );
+
+    ctx.state.data = {
+        title: 'Anitama-' + channel_name,
+        link: url,
+        description: 'Anitama-' + channel_name,
+        item: out,
+    };
+};