Added Better Auth

src/lib/utils/auth-helpers.ts

@@ -0,0 +1,58 @@
+import type { APIRoute, APIContext } from "astro";
+import { auth } from "@/lib/auth";
+
+/**
+ * Get authenticated user from request
+ * @param request - The request object from Astro API route
+ * @returns The authenticated user or null if not authenticated
+ */
+export async function getAuthenticatedUser(request: Request) {
+  try {
+    const session = await auth.api.getSession({
+      headers: request.headers,
+    });
+    
+    return session ? session.user : null;
+  } catch (error) {
+    console.error("Error getting session:", error);
+    return null;
+  }
+}
+
+/**
+ * Require authentication for API routes
+ * Returns an error response if user is not authenticated
+ * @param context - The API context from Astro
+ * @returns Object with user if authenticated, or error response if not
+ */
+export async function requireAuth(context: APIContext) {
+  const user = await getAuthenticatedUser(context.request);
+  
+  if (!user) {
+    return {
+      user: null,
+      response: new Response(
+        JSON.stringify({
+          success: false,
+          error: "Unauthorized - Please log in",
+        }),
+        {
+          status: 401,
+          headers: { "Content-Type": "application/json" },
+        }
+      ),
+    };
+  }
+  
+  return { user, response: null };
+}
+
+/**
+ * Get user ID from authenticated session
+ * @param request - The request object from Astro API route
+ * @returns The user ID or null if not authenticated
+ */
+export async function getAuthenticatedUserId(request: Request): Promise<string | null> {
+  const user = await getAuthenticatedUser(request);
+  return user?.id || null;
+}