Add grouping categories feature

admin-server.ts

@@ -10,10 +10,12 @@ import {
   deleteFeed,
   fetchAllEpisodes,
   fetchEpisodesWithArticles,
+  getAllCategories,
   getAllFeedsIncludingInactive,
-  getFeedById,
   getFeedByUrl,
   getFeedRequests,
+  getFeedsByCategory,
+  getFeedsGroupedByCategory,
   toggleFeedActive,
   updateFeedRequestStatus,
 } from "./services/database.js";
@@ -199,6 +201,38 @@ app.patch("/api/admin/feeds/:id/toggle", async (c) => {
   }
 });
 
+// Categories management
+app.get("/api/admin/categories", async (c) => {
+  try {
+    const categories = await getAllCategories();
+    return c.json(categories);
+  } catch (error) {
+    console.error("Error fetching categories:", error);
+    return c.json({ error: "Failed to fetch categories" }, 500);
+  }
+});
+
+app.get("/api/admin/feeds/by-category", async (c) => {
+  try {
+    const category = c.req.query("category");
+    const feeds = await getFeedsByCategory(category);
+    return c.json(feeds);
+  } catch (error) {
+    console.error("Error fetching feeds by category:", error);
+    return c.json({ error: "Failed to fetch feeds by category" }, 500);
+  }
+});
+
+app.get("/api/admin/feeds/grouped-by-category", async (c) => {
+  try {
+    const groupedFeeds = await getFeedsGroupedByCategory();
+    return c.json(groupedFeeds);
+  } catch (error) {
+    console.error("Error fetching feeds grouped by category:", error);
+    return c.json({ error: "Failed to fetch feeds grouped by category" }, 500);
+  }
+});
+
 // Episodes management
 app.get("/api/admin/episodes", async (c) => {
   try {
@@ -349,7 +383,10 @@ app.get("/api/admin/db-diagnostic", async (c) => {
   } catch (error) {
     console.error("Error running database diagnostic:", error);
     return c.json(
-      { error: "Failed to run database diagnostic", details: error.message },
+      { 
+        error: "Failed to run database diagnostic", 
+        details: error instanceof Error ? error.message : String(error) 
+      },
       500,
     );
   }
@@ -635,16 +672,6 @@ app.get("/", serveAdminIndex);
 app.get("/index.html", serveAdminIndex);
 app.get("*", serveAdminIndex);
 
-// Utility functions
-async function runBatchProcess(): Promise<void> {
-  try {
-    await batchProcess();
-  } catch (error) {
-    console.error("Admin batch process failed:", error);
-    throw error;
-  }
-}
-
 // Start admin server
 serve(
   {