Update for static file serving

server.ts

@@ -129,15 +129,33 @@ app.get("/podcast.xml", async (c) => {
   }
 });
 
-// Category-specific RSS feeds
+// Category-specific RSS feeds - try static file first, then generate dynamically
 app.get("/podcast/category/:category.xml", async (c) => {
   try {
     const category = decodeURIComponent(c.req.param("category") || "");
     if (!category) {
       return c.notFound();
     }
-    const { generateCategoryRSS } = await import("./services/podcast.js");
 
+    // Try to serve static file first
+    const safeCategory = encodeURIComponent(category);
+    const staticFilePath = path.join(
+      config.paths.publicDir,
+      `podcast_category_${safeCategory}.xml`,
+    );
+    const staticFile = Bun.file(staticFilePath);
+
+    if (await staticFile.exists()) {
+      const blob = await staticFile.arrayBuffer();
+      return c.body(blob, 200, {
+        "Content-Type": "application/xml; charset=utf-8",
+        "Cache-Control": "public, max-age=3600", // Cache for 1 hour
+      });
+    }
+
+    // Fallback to dynamic generation
+    console.log(`📄 Static category RSS not found for "${category}", generating dynamically...`);
+    const { generateCategoryRSS } = await import("./services/podcast.js");
     const rssXml = await generateCategoryRSS(category);
 
     return c.body(rssXml, 200, {
@@ -146,22 +164,39 @@ app.get("/podcast/category/:category.xml", async (c) => {
     });
   } catch (error) {
     console.error(
-      `Error generating category RSS for "${c.req.param("category")}":`,
+      `Error serving category RSS for "${c.req.param("category")}":`,
       error,
     );
     return c.notFound();
   }
 });
 
-// Feed-specific RSS feeds
+// Feed-specific RSS feeds - try static file first, then generate dynamically
 app.get("/podcast/feed/:feedId.xml", async (c) => {
   try {
     const feedId = c.req.param("feedId");
     if (!feedId) {
       return c.notFound();
     }
-    const { generateFeedRSS } = await import("./services/podcast.js");
 
+    // Try to serve static file first
+    const staticFilePath = path.join(
+      config.paths.publicDir,
+      `podcast_feed_${feedId}.xml`,
+    );
+    const staticFile = Bun.file(staticFilePath);
+
+    if (await staticFile.exists()) {
+      const blob = await staticFile.arrayBuffer();
+      return c.body(blob, 200, {
+        "Content-Type": "application/xml; charset=utf-8",
+        "Cache-Control": "public, max-age=3600", // Cache for 1 hour
+      });
+    }
+
+    // Fallback to dynamic generation
+    console.log(`📄 Static feed RSS not found for "${feedId}", generating dynamically...`);
+    const { generateFeedRSS } = await import("./services/podcast.js");
     const rssXml = await generateFeedRSS(feedId);
 
     return c.body(rssXml, 200, {
@@ -170,7 +205,7 @@ app.get("/podcast/feed/:feedId.xml", async (c) => {
     });
   } catch (error) {
     console.error(
-      `Error generating feed RSS for "${c.req.param("feedId")}":`,
+      `Error serving feed RSS for "${c.req.param("feedId")}":`,
       error,
     );
     return c.notFound();

services/podcast.ts

@@ -139,20 +139,118 @@ export async function updatePodcastRSS(): Promise<void> {
   }
 }
 
+/**
+ * Generate all category RSS files as static files
+ */
+export async function generateAllCategoryRSSFiles(): Promise<void> {
+  try {
+    const { getAllEpisodeCategories } = await import("./database.js");
+    const categories = await getAllEpisodeCategories();
+    
+    console.log(`🔄 Generating ${categories.length} category RSS files...`);
+    
+    for (const category of categories) {
+      try {
+        await saveCategoryRSSFile(category);
+      } catch (error) {
+        console.error(`❌ Failed to generate RSS for category "${category}":`, error);
+      }
+    }
+    
+    console.log(`✅ Generated category RSS files for ${categories.length} categories`);
+  } catch (error) {
+    console.error("❌ Error generating category RSS files:", error);
+    throw error;
+  }
+}
+
+/**
+ * Generate all feed RSS files as static files
+ */
+export async function generateAllFeedRSSFiles(): Promise<void> {
+  try {
+    const { fetchActiveFeeds } = await import("./database.js");
+    const feeds = await fetchActiveFeeds();
+    
+    console.log(`🔄 Generating ${feeds.length} feed RSS files...`);
+    
+    for (const feed of feeds) {
+      try {
+        await saveFeedRSSFile(feed.id);
+      } catch (error) {
+        console.error(`❌ Failed to generate RSS for feed "${feed.id}":`, error);
+      }
+    }
+    
+    console.log(`✅ Generated feed RSS files for ${feeds.length} feeds`);
+  } catch (error) {
+    console.error("❌ Error generating feed RSS files:", error);
+    throw error;
+  }
+}
+
+/**
+ * Save category RSS as static file with URL-safe filename
+ */
+export async function saveCategoryRSSFile(category: string): Promise<void> {
+  try {
+    const rssXml = await generateCategoryRSS(category);
+    const safeCategory = encodeURIComponent(category);
+    const outputPath = path.join(
+      config.paths.publicDir,
+      `podcast_category_${safeCategory}.xml`,
+    );
+
+    // Ensure directory exists
+    await fs.mkdir(dirname(outputPath), { recursive: true });
+    await fs.writeFile(outputPath, rssXml);
+
+    console.log(`📄 Category RSS saved: podcast_category_${safeCategory}.xml`);
+  } catch (error) {
+    console.error(`❌ Error saving category RSS for "${category}":`, error);
+    throw error;
+  }
+}
+
+/**
+ * Save feed RSS as static file
+ */
+export async function saveFeedRSSFile(feedId: string): Promise<void> {
+  try {
+    const rssXml = await generateFeedRSS(feedId);
+    const outputPath = path.join(
+      config.paths.publicDir,
+      `podcast_feed_${feedId}.xml`,
+    );
+
+    // Ensure directory exists
+    await fs.mkdir(dirname(outputPath), { recursive: true });
+    await fs.writeFile(outputPath, rssXml);
+
+    console.log(`📄 Feed RSS saved: podcast_feed_${feedId}.xml`);
+  } catch (error) {
+    console.error(`❌ Error saving feed RSS for "${feedId}":`, error);
+    throw error;
+  }
+}
+
 /**
  * Regenerate all static files on startup
  * This ensures that podcast.xml and other generated files are up-to-date
  */
 export async function regenerateStartupFiles(): Promise<void> {
   try {
-    console.log("🔄 Regenerating static files on startup...");
+    console.log("🔄 Regenerating all static files on startup...");
     
     // Regenerate main podcast.xml
     await updatePodcastRSS();
     console.log("✅ podcast.xml regenerated successfully");
     
-    // Note: Category and feed-specific RSS files are generated dynamically on request
+    // Generate all category RSS files
-    // This is more efficient and ensures they're always up-to-date with current data
+    await generateAllCategoryRSSFiles();
+    
+    // Generate all feed RSS files
+    await generateAllFeedRSSFiles();
     
     console.log("✅ All startup files regenerated successfully");
   } catch (error) {