add data viewer

app/supabase_db.py

@@ -192,18 +192,23 @@ class SupabaseClient:
         try:
             logger.info("[SUPABASE] Fetching all document chunks")
             
+            # Đếm tổng số records trước
+            count_response = self.client.table('document_chunks').select('*', count='exact').execute()
+            total_count = count_response.count if hasattr(count_response, 'count') else 'unknown'
+            logger.info(f"[SUPABASE] Total records in table: {total_count}")
+            
             all_chunks = []
             page_size = 1000
-            offset = 0
+            from_index = 0
             
             while True:
-                # Lấy từng page
-                response = self.client.table('document_chunks').select('*').range(offset, offset + page_size - 1).execute()
+                # Thử với .from_() và .to()
+                response = self.client.table('document_chunks').select('*').from_(from_index).to(from_index + page_size - 1).execute()
                 
-                logger.info(f"[SUPABASE] Fetched page: offset={offset}, count={len(response.data) if response.data else 0}")
+                logger.info(f"[SUPABASE] Fetched page: from={from_index}, to={from_index + page_size - 1}, count={len(response.data) if response.data else 0}")
                 
                 if not response.data:
-                    logger.info(f"[SUPABASE] No more data at offset {offset}")
+                    logger.info(f"[SUPABASE] No more data at from_index {from_index}")
                     break
                 
                 all_chunks.extend(response.data)
@@ -213,9 +218,9 @@ class SupabaseClient:
                     logger.info(f"[SUPABASE] Last page with {len(response.data)} records")
                     break
                 
-                offset += page_size
+                from_index += page_size
             
-            logger.info(f"[SUPABASE] Successfully fetched {len(all_chunks)} document chunks")
+            logger.info(f"[SUPABASE] Successfully fetched {len(all_chunks)} document chunks (expected: {total_count})")
             return all_chunks
                 
         except Exception as e: