F-Droid app update (#726)

docs/README.md

@@ -871,6 +871,10 @@ GitHub 官方也提供了一些 RSS:
 
 <route name="每日精品限免 / 促销应用" author="Andiedie" example="/appstore/xianmian" path="/appstore/xianmian"/>
 
+### F-Droid
+
+<route name="App更新" author="garywill" example="/fdroid/apprelease/com.termux" path="/fdroid/apprelease/:app" :paramsDesc="['App包名']">
+
 ### Greasy Fork
 
 <route name="脚本更新" author="imlonghao" example="/greasyfork/zh-CN/bilibili.com" path="/greasyfork/:language/:domain?" :paramsDesc="['语言, 可在网站右上角找到, `all` 为所有语言', '按脚本生效域名过滤, 可选']"/>

docs/en/README.md

@@ -170,6 +170,10 @@ If no matching results were found, the server returns only a HTTP status code `2
 
 <routeEn name="In-App-Purchase Price Drop Alert" author="HenryQW" example="/appstore/iap/us/id953286746" path="/appstore/iap/:country/:id" :paramsDesc="['App Store Country, obtain from the app URL https://itunes.apple.com/us/app/id953286746, in this case, `us`', 'App Store app id, obtain from the app URL https://itunes.apple.com/us/app/id953286746, in this case, `id953286746`']" />
 
+### F-Droid
+
+<routeEn name="App Update" author="garywill" example="/fdroid/apprelease/com.termux" path="/fdroid/apprelease/:app" :paramsDesc="['App\'s package name']">
+
 ### Greasy Fork
 
 <routeEn name="Script Update" author="imlonghao" path="/greasyfork/:language/:domain?" example="/greasyfork/en/google.com" :paramsDesc="['language, located on the top right corner of Greasy Fork\'s search page, set to `all` for including all languages', 'the script\'s target domain']" />

router.js

@@ -288,6 +288,9 @@ router.get('/github/issue/:user/:repo', require('./routes/github/issue'));
 router.get('/github/user/followers/:user', require('./routes/github/follower'));
 router.get('/github/stars/:user/:repo', require('./routes/github/star'));
 
+// f-droid
+router.get('/fdroid/apprelease/:app', require('./routes/fdroid/apprelease'));
+
 // konachan
 router.get('/konachan/post/popular_recent', require('./routes/konachan/post_popular_recent'));
 router.get('/konachan.com/post/popular_recent', require('./routes/konachan/post_popular_recent'));

routes/fdroid/apprelease.js

@@ -0,0 +1,60 @@
+const axios = require('../../utils/axios');
+const cheerio = require('cheerio');
+
+module.exports = async (ctx) => {
+    const response = await axios.get(`https://f-droid.org/en/packages/${ctx.params.app}/`);
+    const data = response.data;
+    const $ = cheerio.load(data);
+
+    const app_name = $('.package-title')
+        .find('h3')
+        .text();
+    const app_descr = $('.package-title')
+        .find('.package-summary')
+        .text();
+
+    const items = [];
+    $('.package-versions-list')
+        .find('.package-version')
+        .each(function() {
+            const item = {};
+            const version = $(this)
+                .find('.package-version-header')
+                .find('a')
+                .eq(0)
+                .attr('name');
+            item.title = version;
+            item.guid = $(this)
+                .find('.package-version-header')
+                .find('a')
+                .eq(1)
+                .attr('name');
+            item.pubDate = new Date(
+                $(this)
+                    .find('.package-version-header')
+                    .text()
+                    .split('Added on ')[1]
+            ).toUTCString();
+            item.description = [
+                $(this)
+                    .find('.package-version-download')
+                    .html(),
+                $(this)
+                    .find('.package-version-requirement')
+                    .html(),
+                $(this)
+                    .find('.package-version-source')
+                    .html(),
+            ].join('<br/>');
+            item.link = `https://f-droid.org/en/packages/${ctx.params.app}/#${version}`;
+
+            items.push(item);
+        });
+
+    ctx.state.data = {
+        title: `${app_name} releases on F-Droid`,
+        discription: app_descr,
+        link: `https://f-droid.org/en/packages/${ctx.params.app}/`,
+        item: items,
+    };
+};