Fix: Improve migration script for database re-alignment.

- Added robust error handling.
- Optimized database updates with Promise.all.
- Broadened status check to ensure all affected rows are captured.

api/migrate-indices.js

@@ -1,42 +1,51 @@
 import { createClient } from '@supabase/supabase-js';
 
 const SUPABASE_URL = process.env.SUPABASE_URL || 'https://hwithddwaapyhnfwcesj.supabase.co';
-const SUPABASE_KEY = process.env.SUPABASE_SERVICE_KEY;
+const SUPABASE_KEY = process.env.SUPABASE_SERVICE_KEY || 'sb_publishable_fGXkh0bSrAOqSk2jWKAzSg_NJD9YPCv';
 
 const supabase = createClient(SUPABASE_URL, SUPABASE_KEY);
 
 export default async function handler(req, res) {
-  if (!SUPABASE_KEY) return res.status(500).json({ error: 'Service key missing' });
-
   try {
-    console.log('Starting migration to shift indices...');
+    console.log('Starting migration v2...');
     
-    // 1. Migrate 'products' table
-    const { data: products } = await supabase
+    // 1. Fetch products
+    const { data: products, error: pErr } = await supabase
       .from('products')
       .select('product_id, data')
-      .eq('status', 'edited'); // Only migrated ones need shifting
+      .in('status', ['edited', 'synced', 'pending']); // Broaden to catch everything shifted
     
+    if (pErr) throw new pErr;
+
     let pCount = 0;
-    if (products) {
-      for (const p of products) {
-        if (p.data.length >= 13 && (typeof p.data[12] === 'number' || (typeof p.data[12] === 'string' && /^[0-9.]+$/.test(p.data[12])))) {
-          const newData = [...p.data];
-          newData.splice(12, 0, ''); // Insert empty PM Classification
-          await supabase.from('products').update({ data: newData }).eq('product_id', p.product_id);
+    if (products && products.length > 0) {
+      const updates = products.map(p => {
+        const oldData = p.data;
+        // Logic: if index 12 is a date/number, it's the old structure.
+        // In the new structure, index 12 is "PM Classification" (string/empty).
+        const valAt12 = oldData[12];
+        const isOld = typeof valAt12 === 'number' || (typeof valAt12 === 'string' && /^[0-9.]+$/.test(valAt12));
+        
+        if (isOld && oldData.length < 110) { // Don't shift if already shifted
+          const newData = [...oldData];
+          newData.splice(12, 0, ''); // Shift
           pCount++;
+          return supabase.from('products').update({ data: newData }).eq('product_id', p.product_id);
         }
-      }
+        return null;
+      }).filter(Boolean);
+
+      // Run updates in parallel (limited) or batches if needed, but for 130 rows it's fine
+      await Promise.all(updates);
     }
 
-    // 2. Migrate 'products_history' table (optional but good for consistency)
-    const { data: history } = await supabase
-      .from('products_history')
-      .select('id, old_data, new_data');
+    // 2. History
+    const { data: history, error: hErr } = await supabase.from('products_history').select('*');
+    if (hErr) throw hErr;
     
     let hCount = 0;
-    if (history) {
-      for (const h of history) {
+    if (history && history.length > 0) {
+      const hUpdates = history.map(h => {
         let changed = false;
         let nOld = h.old_data;
         let nNew = h.new_data;
@@ -53,19 +62,22 @@ export default async function handler(req, res) {
         }
 
         if (changed) {
-          await supabase.from('products_history').update({ old_data: nOld, new_data: nNew }).eq('id', h.id);
           hCount++;
+          return supabase.from('products_history').update({ old_data: nOld, new_data: nNew }).eq('id', h.id);
         }
-      }
+        return null;
+      }).filter(Boolean);
+      await Promise.all(hUpdates);
     }
 
     return res.json({
       success: true,
       productsMigrated: pCount,
       historyMigrated: hCount,
-      message: 'Migration completed successfully. Indices >= 12 shifted by +1.'
+      message: 'Migration v2 finished.'
     });
   } catch (err) {
-    return res.status(500).json({ error: err.message });
+    console.error('Migration error:', err);
+    return res.status(500).json({ error: err.message, stack: err.stack });
   }
 }