feat(app): list resources

packages/app/src/fetch.ts

@@ -7,7 +7,7 @@ import { WORKER_BASE } from './constant';
 
 const baseURL = 'https://' + (import.meta.env.SSR ? WORKER_BASE : 'garden.onekuma.cn/api/');
 
-const ofetch = async (url: string | RequestInfo, init?: RequestInit) => {
+export const ofetch = async (url: string | RequestInfo, init?: RequestInit) => {
   if (import.meta.env.DEV && import.meta.env.HTTPS_PROXY) {
     const { ProxyAgent } = await import('undici');
     return fetch(url, {

packages/app/src/pages/feed.xml.ts

@@ -0,0 +1,62 @@
+import type { APIRoute } from 'astro';
+
+import rss from '@astrojs/rss';
+import { toDate } from 'date-fns-tz';
+import { fetchResources } from 'animegarden';
+
+import { ofetch } from '../fetch';
+import { WORKER_BASE } from '../constant';
+
+export const get: APIRoute = async (context) => {
+  const url = new URL(context.request.url);
+  url.protocol = 'https:';
+  url.host = WORKER_BASE;
+  url.port = '';
+  url.pathname = '/resources/search';
+  const request = new Request(url, context.request);
+
+  const { resources } = await (ofetch(request).then((r) => r.json()) as ReturnType<
+    typeof fetchResources
+  >);
+
+  return rss({
+    title: 'Anime Garden - 動漫花園資源網 第三方镜像站',
+    description:
+      'Anime Garden 是動漫花園資源網的第三方镜像站, 動漫花園資訊網是一個動漫愛好者交流的平台,提供最及時,最全面的動畫,漫畫,動漫音樂,動漫下載,BT,ED,動漫遊戲,資訊,分享,交流,讨论.',
+    site: context.site!.origin,
+    items: resources.map((r) => {
+      return {
+        title: r.title,
+        pubDate: toDate(r.createdAt, { timeZone: 'Asia/Shanghai' }),
+        link: toGardenURL(context.site!.origin, r.href),
+        enclosure: {
+          url: r.magnet,
+          length: r.size ? formatSize(r.size) : 1,
+          type: 'application/x-bittorrent'
+        }
+      };
+    })
+  });
+};
+
+function toGardenURL(origin: string, href: string) {
+  const id = href.split('/').at(-1)!;
+  return origin + '/resource/' + id;
+}
+
+function formatSize(size: string) {
+  const RES = [
+    [/^([0-9\.]+)B$/, 1],
+    [/^([0-9\.]+)KB$/, 1024],
+    [/^([0-9\.]+)MB$/, 1024 * 1024],
+    [/^([0-9\.]+)GB$/, 1024 * 1024 * 1024],
+    [/^([0-9\.]+)TB$/, 1024 * 1024 * 1024 * 1024]
+  ] as const;
+  for (const [RE, base] of RES) {
+    const match = RE.exec(size);
+    if (match) {
+      return Math.round(+match[1] * base);
+    }
+  }
+  return 0;
+}