修复JSON重复parse等问题 (#641)

routes/xkcd/comic.js

@@ -1,17 +1,11 @@
 const axios = require('../../utils/axios');
 
 module.exports = async (ctx) => {
-    const response = await axios({
-        method: 'get',
-        url: 'https://xkcd.com/info.0.json',
-        headers: {
-            Referer: 'https://www.xkcd.com',
-        },
-    });
+    const response = await axios.get('https://xkcd.com/info.0.json');
 
-    const data = JSON.parse(response.data);
+    const result = response.data;
     const postTime = new Date();
-    postTime.setFullYear(parseInt(data.year), parseInt(data.month) - 1, parseInt(data.day));
+    postTime.setFullYear(parseInt(result.year), parseInt(result.month) - 1, parseInt(result.day));
     postTime.setHours(0, 0, 0, 0); // 无法获取精确时间
 
     ctx.state.data = {
@@ -20,11 +14,11 @@ module.exports = async (ctx) => {
         description: 'A webcomic of romance, sarcasm, math, and language.',
         item: [
             {
-                title: data.title,
-                description: `<img src="${data.img}"><br />${data.alt}`,
+                title: result.title,
+                description: `<img src="${result.img}"><br />${result.alt}`,
                 pubDate: postTime.toUTCString(),
-                link: 'https://www.xkcd.com/' + data.num,
-                guid: data.num,
+                link: 'https://www.xkcd.com/' + result.num,
+                guid: result.num,
             },
         ],
     };

routes/xkcd/what-if.js

@@ -4,27 +4,34 @@ const cheerio = require('cheerio');
 module.exports = async (ctx) => {
     const response = await axios({
         method: 'get',
-        url: 'https://what-if.xkcd.com/',
+        url: 'https://what-if.xkcd.com/feed.atom',
         headers: {
-            Referer: 'https://what-if.xkcd.com/',
+            Referer: 'https://xkcd.com/',
         },
     });
 
     const data = response.data;
-    const $ = cheerio.load(data);
+    const $ = cheerio.load(data, {
+        xmlMode: true,
+    });
+    const list = $('entry');
 
     ctx.state.data = {
         title: 'what-if',
         link: 'https://what-if.xkcd.com/',
         description: "xkcd' article",
-        item: [
-            {
-                title: $('h1').text(),
-                description: $('#question').text(),
-                pubDate: '', // 发表日期无法获取
-                guid: '',
-                link: 'https:' + $('article a:first').attr('href'),
-            },
-        ],
+        item:
+            list &&
+            list
+                .map((index, item) => {
+                    item = $(item);
+                    return {
+                        title: item.find('title').text(),
+                        description: item.find('content').text(),
+                        pubDate: item.find('updated').text(),
+                        link: item.find('id').text(),
+                    };
+                })
+                .get(),
     };
 };