feat: add RSS 涂鸦王国 (#2644)

* add RSS 涂鸦王国

* 移除数据为空时的 item 参数

* 添加缓存


Co-authored-by: DIYgod <diy.d.god@gmail.com>

docs/picture.md

@@ -157,3 +157,9 @@ pageClass: routes
 ### 主题
 
 <Route author="xyqfer" example="/dapenti/subject/184" path="/dapenti/subject/:id" :paramsDesc="['主题 id']"/>
+
+## 涂鸦王国
+
+### 用户上传作品和用户喜欢作品
+
+<Route author="LanceZhu" example="/gracg/user11968EIcqS3" path="/gracg/:user/:love?" :paramsDesc="['用户访问ID，用户主页URL获取', '是否切换为用户喜欢作品, 不选或为 0 不切换，1则切换']"/>

lib/router.js

@@ -1515,6 +1515,9 @@ router.get('/ccdi/scdc', require('./routes/ccdi/scdc'));
 router.get('/nosetime/:id/:type/:sort?', require('./routes/nosetime/comment'));
 router.get('/nosetime/home', require('./routes/nosetime/home'));
 
+// 涂鸦王国
+router.get('/gracg/:user/:love?', require('./routes/gracg/user'));
+
 // 大侠阿木
 router.get('/daxiaamu/home', require('./routes/daxiaamu/home'));
 

lib/routes/gracg/user.js

@@ -0,0 +1,73 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+
+module.exports = async (ctx) => {
+    const url = ctx.params.love ? `https://www.gracg.com/${ctx.params.user}/love` : `https://www.gracg.com/${ctx.params.user}`;
+    const response = await got({
+        method: 'get',
+        url: `${url}`,
+    });
+    const html = response.body;
+    const $ = cheerio.load(html);
+    const data = $('.TheWorksList').find('li');
+
+    if (data.length === 0) {
+        ctx.state.data = {
+            title: `${ctx.params.user} 的涂鸦王国作品`,
+            link: `https://gracg.com/${ctx.params.user}`,
+            description: `${ctx.params.user} 的涂鸦王国作品`,
+        };
+    } else {
+        const name = $('.userbox .username').text();
+        const item = await Promise.all(
+            data
+                .slice(0, 10)
+                .map(async (i, el) => {
+                    const link = $(el)
+                        .find('.imgbox a')
+                        .attr('href');
+                    const pics = await ctx.cache.tryGet(link, async () => {
+                        const res = await got.get(link);
+                        const $1 = cheerio.load(res.body);
+                        return $1('.workPage-images img')
+                            .map((i, el) => $1(el).attr('src'))
+                            .get();
+                    });
+                    const description = generateItemDesc(pics);
+                    return {
+                        title: $(el)
+                            .find('.infobox .titles')
+                            .text(),
+                        description,
+                        pubDate: new Date(
+                            $(el)
+                                .find('.infobox .time')
+                                .text()
+                        ).toUTCString(),
+                        link,
+                    };
+                })
+                .get()
+        );
+
+        ctx.state.data = {
+            title: `${name} 的涂鸦王国作品`,
+            link: `https://gracg.com/${ctx.params.user}`,
+            description: `${name} 的涂鸦王国作品`,
+            item: item,
+        };
+    }
+};
+
+/**
+ * 根据图片链接生成 html
+ * @param {Array} pics
+ * @return {String} itemDesc
+ */
+function generateItemDesc(pics) {
+    const itemDesc = pics.reduce((acc, pic) => {
+        acc += `<img referrerpolicy="no-referrer" src='${pic}><br>`;
+        return acc;
+    }, '');
+    return itemDesc;
+}