From aebd3048f63da75e8b646e8b13f35707bd80c568 Mon Sep 17 00:00:00 2001
From: Nik Afiq <nik.afiq98@ymail.com>
Date: Sat, 6 Dec 2025 20:04:27 +0900
Subject: [PATCH] Refine partId extraction logic to ensure valid animestore
 URLs and update error message for clarity

---
 frontend/src/pages/ShowsPage.tsx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/frontend/src/pages/ShowsPage.tsx b/frontend/src/pages/ShowsPage.tsx
index 29b7b5e..fa4418a 100644
--- a/frontend/src/pages/ShowsPage.tsx
+++ b/frontend/src/pages/ShowsPage.tsx
@@ -43,11 +43,13 @@ function extractPartId(urlStr: string): string | null {
     if (!trimmed) return null;
     try {
         const u = new URL(trimmed);
+        if (!u.hostname.endsWith("animestore.docomo.ne.jp")) return null;
         const partId = u.searchParams.get("partId") || u.searchParams.get("partid");
         if (partId) return partId;
     } catch {
         // fallback to regex
     }
+    if (!trimmed.includes("animestore.docomo.ne.jp")) return null;
     const m = trimmed.match(/partId=(\d+)/i);
     return m ? m[1] : null;
 }
@@ -165,7 +167,7 @@ export default function ShowsPage() {
         setDanimeResult(null);
         const partId = extractPartId(danimeUrl);
         if (!partId) {
-            setScrapeError("partId を含む dアニメのURLを入力してください。");
+            setScrapeError("animestore.docomo.ne.jp のエピソードURL（partId付き）を入力してください。");
             return;
         }
         try {