From 6916a7d9ba4c75fb9306e0579739efb6fe8d0857 Mon Sep 17 00:00:00 2001
From: mstfyldz <mstfyldz@mstfyldz-MacBook-Air.local>
Date: Wed, 12 Aug 2026 10:41:08 +0300
Subject: [PATCH] perf: prevent duplicate CDN uploads by checking Supabase
 first

---
 src/controllers/precedent.controller.ts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/controllers/precedent.controller.ts b/src/controllers/precedent.controller.ts
index 0574dfa..8bfff6b 100644
--- a/src/controllers/precedent.controller.ts
+++ b/src/controllers/precedent.controller.ts
@@ -146,6 +146,23 @@ export const cachePrecedentDocument = async (req: Request, res: Response) => {
     }
 
     const documentId = String(item.documentId);
+
+    // 0. Duplicate Kontrolü (Veritabanında var mı?)
+    try {
+      const { data: existing } = await supabase
+        .from('cached_precedents')
+        .select('document_id')
+        .eq('document_id', documentId)
+        .single();
+        
+      if (existing) {
+        console.log(`[Cache] Karar zaten arşivde mevcut, işlem atlandı: ${documentId}`);
+        return res.json({ success: true, message: 'Zaten ön bellekte', cached: true });
+      }
+    } catch (err) {
+      // Eğer tablo boşsa veya hata verirse devam et, sorun yok.
+    }
+
     // 1. BunnyCDN'e Yükle
     const bunnyZone = process.env.BUNNY_STORAGE_ZONE || '';
     const bunnyKey = process.env.BUNNY_STORAGE_API_KEY || '';