feat: rss feed

closes #2

scripts/generate-rss.ts

@@ -0,0 +1,103 @@
+import { Feed } from 'feed';
+import fs from 'fs-extra';
+import path from 'path';
+import { Update } from '../src/utils/updates';
+
+const SITE_URL = 'https://starset.wiki';
+
+interface LanguageConfig {
+  code: string;
+  dataDir: string;
+  title: string;
+  description: string;
+}
+
+const LANGUAGES: LanguageConfig[] = [
+  {
+    code: 'en-US',
+    dataDir: 'en-US',
+    title: 'STARSET Mirror Site Updates',
+    description: 'Latest updates from STARSET Mirror Site'
+  },
+  {
+    code: 'zh-CN',
+    dataDir: 'zh-CN',
+    title: 'STARSET 镜像站更新',
+    description: 'STARSET 镜像站的最新更新'
+  },
+  {
+    code: 'zh-Hant',
+    dataDir: 'zh-TW',
+    title: 'STARSET 鏡像站更新',
+    description: 'STARSET 鏡像站的最新更新'
+  }
+];
+
+async function generateRSSFeed(lang: LanguageConfig) {
+  // Read all updates
+  const updatesIndex = await fs.readJson(path.join('data', lang.dataDir, 'updates.json'));
+  const years = updatesIndex.years as string[];
+  
+  let allUpdates: Update[] = [];
+  for (const year of years) {
+    const yearData = await fs.readJson(path.join('data', lang.dataDir, 'updates', year));
+    allUpdates = [...allUpdates, ...yearData.updates];
+  }
+
+  // Sort updates by date in descending order
+  allUpdates.sort((a, b) => new Date(b.date).getTime() - new Date(a.date).getTime());
+
+  // Take the latest 10 updates
+  const latestUpdates = allUpdates.slice(0, 10);
+
+  // Create feed
+  const feed = new Feed({
+    title: lang.title,
+    description: lang.description,
+    id: `${SITE_URL}/${lang.code}/updates`,
+    link: `${SITE_URL}/${lang.code}/updates`,
+    language: lang.code,
+    favicon: `${SITE_URL}/favicon.ico`,
+    copyright: "All rights reserved",
+    updated: latestUpdates[0] ? new Date(latestUpdates[0].date) : new Date(),
+    feedLinks: {
+      rss2: `${SITE_URL}/${lang.code}/rss.xml`
+    }
+  });
+
+  // Add items to feed
+  for (const update of latestUpdates) {
+    feed.addItem({
+      title: update.title,
+      id: update.id,
+      link: update.link || `${SITE_URL}/${lang.code}/updates#${update.id}`,
+      description: update.summary,
+      date: new Date(update.date),
+      category: update.tags.map(tag => ({ name: tag }))
+    });
+  }
+
+  // Create dist directory if it doesn't exist
+  const distPath = path.join('dist', lang.code);
+  await fs.ensureDir(distPath);
+
+  // Write feed to file
+  await fs.writeFile(
+    path.join(distPath, 'rss.xml'),
+    feed.rss2()
+  );
+}
+
+async function main() {
+  try {
+    for (const lang of LANGUAGES) {
+      await generateRSSFeed(lang);
+      console.log(`Generated RSS feed for ${lang.code}`);
+    }
+  } catch (error) {
+    console.error('Error generating RSS feeds:', error);
+    process.exit(1);
+  }
+}
+
+main();