From cb913b9d72e71e3eed5211a3dc5586061834654e Mon Sep 17 00:00:00 2001
From: Christian Vidal Wolf <christianvidalwolf@gmail.com>
Date: Wed, 20 May 2026 14:56:55 +0200
Subject: [PATCH] restore cpnp values from history

---
 src/App.tsx         |  1 +
 src/lib/supabase.ts | 29 +++++++++++++++++++++--------
 2 files changed, 22 insertions(+), 8 deletions(-)

diff --git a/src/App.tsx b/src/App.tsx
index b233aae..4f573ee 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -323,6 +323,7 @@ export default function App() {
             [COLUMNS.ITEM_TO_LOGISTIC]: 'Item to Logistic',
             [COLUMNS.ANNA_CHECK]: 'Anna Check',
             [COLUMNS.ANNA_NOTE]: 'Anna Note',
+            [COLUMNS.CPNP_NO]: 'CPNP No.',
           };
           Object.entries(VIRTUAL_COLS).forEach(([idxStr, name]) => {
             const idx = Number(idxStr);
diff --git a/src/lib/supabase.ts b/src/lib/supabase.ts
index 6f214ec..9e24ec2 100644
--- a/src/lib/supabase.ts
+++ b/src/lib/supabase.ts
@@ -279,16 +279,29 @@ export async function getHistory(): Promise<HistoryEntry[]> {
 
 export async function getHistoryDataForMerge(): Promise<Record<string, ExcelRow>> {
   try {
-    const response = await safeFetch(
-      `${SUPABASE_URL}/rest/v1/products_history?select=product_id,old_data,new_data,changed_at,id`,
-      { cache: 'no-store' }
-    );
+    const PAGE_SIZE = 1000;
+    const entries: HistoryEntry[] = [];
 
-    if (!response.ok) {
-      console.error('[getHistoryDataForMerge] Error:', response.status);
-      return {};
+    for (let page = 0; page < 20; page++) {
+      const offset = page * PAGE_SIZE;
+      const response = await safeFetch(
+        `${SUPABASE_URL}/rest/v1/products_history?select=product_id,old_data,new_data,changed_at,id&order=changed_at.asc&limit=${PAGE_SIZE}&offset=${offset}`,
+        { cache: 'no-store' }
+      );
+
+      if (!response.ok) {
+        console.error('[getHistoryDataForMerge] Error:', response.status);
+        return {};
+      }
+
+      const batch: HistoryEntry[] = await response.json();
+      entries.push(
+        ...batch.filter((entry: HistoryEntry) => entry.product_id !== CONTROL_DASHBOARD_SNAPSHOT_PRODUCT_ID)
+      );
+
+      if (batch.length < PAGE_SIZE) break;
     }
-    const entries: HistoryEntry[] = (await response.json()).filter((entry: HistoryEntry) => entry.product_id !== CONTROL_DASHBOARD_SNAPSHOT_PRODUCT_ID);
+
     entries.sort((a, b) => {
       const timeDelta = new Date(a.changed_at).getTime() - new Date(b.changed_at).getTime();
       if (timeDelta !== 0) return timeDelta;