feat: improve error handling in API calls for blog, clinic, and doctor data retrieval

app/clinic/[slug]/page.js

@@ -11,16 +11,13 @@ import { imageUrl } from "@/helper";
 const API_URL = process.env.NEXT_PUBLIC_API_URL;
 
 const getClinic = cache(async (slug) => {
-  try {
-    const res = await fetch(`${API_URL}/api/v1/clinic/${slug}`, {
-      next: { revalidate: 3600, tags: [`clinic-${slug}`] },
-    });
-    if (!res.ok) return null;
-    const json = await res.json();
-    return json?.data?.data ?? null;
-  } catch {
-    return null;
-  }
+  const res = await fetch(`${API_URL}/api/v1/clinic/${slug}`, {
+    next: { revalidate: 3600, tags: [`clinic-${slug}`] },
+  });
+  if (res.status === 404 || res.status === 400) return null;
+  if (!res.ok) throw new Error(`Failed to fetch clinic: ${res.status}`);
+  const json = await res.json();
+  return json?.data?.data ?? null;
 });
 
 export async function generateMetadata({ params }) {
@@ -28,9 +25,10 @@ export async function generateMetadata({ params }) {
   const { matchedCity } = await getStateInfo();
   const siteName = matchedCity?.site_name || "نوبت 724";
 
+  const clinic = await getClinic(slug);
+  if (!clinic) notFound();
+
   try {
-    const clinic = await getClinic(slug);
-    if (!clinic) return {};
 
     const title = `${clinic.title} | ${siteName}`;
     const description = `رزرو نوبت و اطلاعات ${clinic.title}. مشاهده لیست پزشکان و خدمات درمانی موجود.`;