add 电商在线 (#1936)

closes #1914

docs/other.md

@@ -483,3 +483,7 @@ type 为 all 时，category 参数不支持 cost 和 free
 ### checkee.info
 
 <Route name="美国签证 check 动态" author="lalxyy" example="/checkee/2019-03" path="/checkee/:month" :paramsDesc="['签证被 check 的年份-月份，如 2019-03']" />
+
+### 电商在线
+
+<Route name="电商在线" author="LogicJake" example="/imaijia/category/xls" path="/imaijia/category/:category" :paramsDesc="['类别id，可在 URL 中找到']" />

lib/router.js

@@ -1248,6 +1248,9 @@ router.get('/mobdata/report', require('./routes/mobdata/report'));
 // 谷雨
 router.get('/tencent/guyu/channel/:name', require('./routes/tencent/guyu/channel'));
 
+// 电商在线
+router.get('/imaijia/category/:category', require('./routes/imaijia/category'));
+
 // 21财经
 router.get('/21caijing/channel/:name', require('./routes/21caijing/channel'));
 

lib/routes/imaijia/category.js

@@ -0,0 +1,64 @@
+const axios = require('../../utils/axios');
+const qs = require('querystring');
+
+module.exports = async (ctx) => {
+    const category = ctx.params.category;
+
+    const api_url = `http://www.imaijia.com/xstb/front/authorArticleController.do?indexArticles&pageSize=20`;
+    const url = `http://www.imaijia.com/#/information.htm?catid=${category}`;
+
+    const response = await axios({
+        method: 'post',
+        headers: {
+            Referer: url,
+        },
+        url: api_url,
+        data: qs.stringify({
+            pageNo: 1,
+            catid: `${category}`,
+        }),
+    });
+
+    const data = response.data;
+    const description = data.description;
+    const name = data.catName;
+    const list = data.resList;
+
+    const out = await Promise.all(
+        list.map(async (info) => {
+            const title = info.title;
+            const cat_path = info.catPath;
+            const id = info.id;
+            const itemUrl = `http://www.imaijia.com/#/atricleDetails.htm?atricleId=${id}&catPath=${cat_path}`;
+            const api_url = `http://www.imaijia.com/data/details/${cat_path}${id}.json`;
+            const pubDate = info.created;
+            const author = info.author;
+
+            const cache = await ctx.cache.get(itemUrl);
+            if (cache) {
+                return Promise.resolve(JSON.parse(cache));
+            }
+
+            const response = await axios.get(api_url);
+
+            const description = response.data.resList.articleDataF.content.replace(/src="/g, 'src="http://www.imaijia.com');
+
+            const single = {
+                title: title,
+                link: itemUrl,
+                author: author,
+                description: description,
+                pubDate: new Date(pubDate).toUTCString(),
+            };
+            ctx.cache.set(itemUrl, JSON.stringify(single), 24 * 60 * 60);
+            return Promise.resolve(single);
+        })
+    );
+
+    ctx.state.data = {
+        title: `电商在线-${name}`,
+        description: description,
+        link: url,
+        item: out,
+    };
+};