feat: 添加Lofter话题 (#3146)

docs/social-media.md

@@ -270,6 +270,22 @@ pageClass: routes
 
 <Route author="Dectinc DIYgod" example="/keep/user/556b02c1ab59390afea671ea" path="/keep/user/:id" :paramsDesc="['Keep 用户 id']"/>
 
+## Lofter
+
+::: tip 提示
+
+官方提供了用户主页 RSS: http://**:username**.lofter.com/rss
+
+:::
+
+### 话题(标签)
+
+<Route author="hoilc" example="/lofter/tag/名侦探柯南/date" path="/lofter/tag/:name/:type?" :paramsDesc="['话题名(标签名) 例如 `名侦探柯南`', '排行类型, 默认显示最新话题, 取值如下']"/>
+
+| new  | date | week | month | total |
+| ---- | ---- | ---- | ----- | ----- |
+| 最新 | 日榜 | 周榜 | 月榜  | 总榜  |
+
 ## pixiv
 
 ### 用户收藏

lib/router.js

@@ -1754,4 +1754,7 @@ router.get('/taptap/topic/:id/:label?', require('./routes/taptap/topic'));
 router.get('/taptap/changelog/:id', require('./routes/taptap/changelog'));
 router.get('/taptap/review/:id/:order?', require('./routes/taptap/review'));
 
+// lofter
+router.get('/lofter/tag/:name/:type?', require('./routes/lofter/tag'));
+
 module.exports = router;

lib/routes/lofter/tag.js

@@ -0,0 +1,61 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+
+const titles = {
+    date: '日榜',
+    week: '周榜',
+    month: '月榜',
+    total: '总榜',
+    new: '最新',
+};
+
+module.exports = async (ctx) => {
+    const name = ctx.params.name;
+    const type = ctx.params.type ? ctx.params.type : 'new';
+
+    const url = `http://www.lofter.com/tag/${encodeURIComponent(name)}/${type}/`;
+
+    const response = await got.get(url);
+    const $ = cheerio.load(response.data);
+
+    const list = $('.m-mlist > .mlistcnt')
+        .slice(1)
+        .toArray();
+
+    ctx.state.data = {
+        title: `lofter话题 - ${name} - ${titles[type]}`,
+        link: url,
+        item: list.map((item) => {
+            item = $(item);
+
+            const author = item
+                .find('.w-who > .ptag')
+                .first()
+                .text()
+                .trim();
+
+            const images = item.find('img[data-origin]');
+            for (let k = 0; k < images.length; k++) {
+                $(images[k]).replaceWith(`<img src="${$(images[k]).attr('data-origin')}" />`);
+            }
+
+            item.find('.imgc[style]').removeAttr('style');
+
+            item.find('.js-digest').remove();
+
+            item.find('a:not([href])').each(function() {
+                $(this).replaceWith($(this).html());
+            });
+
+            const title = item.find('.tit');
+
+            return {
+                title: title.length === 0 ? `${author}的图片` : title.text().trim(),
+                author: author,
+                description: item.find('.m-icnt.ctag > .cnt').html(),
+                link: item.find('a.isayc').attr('href'),
+                pubDate: new Date(item.find('a.isayc').attr('data-time') * 1),
+            };
+        }),
+    };
+};