Fix database

services/database.ts

@@ -272,24 +272,42 @@ export interface EpisodeWithFeedInfo {
 export async function saveFeed(
   feed: Omit<Feed, "id" | "createdAt">,
 ): Promise<string> {
+  try {
+    // Check if feed already exists
+    const existingFeed = await getFeedByUrl(feed.url);
+    
+    if (existingFeed) {
+      // Update existing feed
+      const updateStmt = db.prepare(
+        "UPDATE feeds SET title = ?, description = ?, last_updated = ?, active = ? WHERE url = ?",
+      );
+      updateStmt.run(
+        feed.title || null,
+        feed.description || null,
+        feed.lastUpdated || null,
+        feed.active !== undefined ? (feed.active ? 1 : 0) : 1,
+        feed.url,
+      );
+      return existingFeed.id;
+    } else {
+      // Create new feed
       const id = crypto.randomUUID();
       const createdAt = new Date().toISOString();
       
-  try {
-    const stmt = db.prepare(
-      "INSERT OR REPLACE INTO feeds (id, url, title, description, last_updated, created_at, active) VALUES (?, ?, ?, ?, ?, ?, ?)",
+      const insertStmt = db.prepare(
+        "INSERT INTO feeds (id, url, title, description, last_updated, created_at, active) VALUES (?, ?, ?, ?, ?, ?, ?)",
       );
-    stmt.run(
+      insertStmt.run(
         id,
         feed.url,
         feed.title || null,
         feed.description || null,
         feed.lastUpdated || null,
         createdAt,
-      feed.active !== undefined ? (feed.active ? 1 : 0) : 1, // Default to active=1 if not specified
+        feed.active !== undefined ? (feed.active ? 1 : 0) : 1,
       );
-
       return id;
+    }
   } catch (error) {
     console.error("Error saving feed:", error);
     throw error;