# Google Sheets Sync Investigation - Summary

**Date:** 2025-11-20
**Issue:** Only 1 seller's orders syncing, 3 others not syncing
**Status:** 🔍 Investigation Phase (no code changes yet)

---

## ✅ What We Did

### 1. Reverted Previous Changes
- ✅ Backed up OrderObserver to `OrderObserver.php.backup-2025-11-20`
- ✅ Reverted to original code (sync to order creator only)
- ✅ Confirmed: The observer correctly finds the seller who created the order

### 2. Created Diagnostic Tools
- ✅ Created command: `php artisan googlesheets:diagnose`
- ✅ Shows all sellers' Google Sheets connection status
- ✅ Checks: tokens, sheet IDs, sync enabled status

### 3. Ran Diagnostics (Local Environment)
**Result:** Only 1 seller connected locally (Siti Seller)
- Other sellers not connected at all in local database
- This is normal for local development

---

## 🎯 Understanding the Issue

**The sync logic is actually CORRECT:**

```php
// In OrderObserver->syncToGoogleSheets():
if ($order->created_by) {
    $seller = User::find($order->created_by);  // ✓ Gets correct seller
}

// Then dispatches job:
SyncOrderToGoogleSheets::dispatch($seller, $order);  // ✓ Correct seller
```

**This means:**
- When Seller 1 creates order → Syncs to Seller 1's sheet ✓
- When Seller 2 creates order → SHOULD sync to Seller 2's sheet (but doesn't ✗)
- When Seller 3 creates order → SHOULD sync to Seller 3's sheet (but doesn't ✗)
- When Seller 4 creates order → SHOULD sync to Seller 4's sheet (but doesn't ✗)

**The logic sends to the RIGHT seller, but something fails for Sellers 2-4.**

---

## 🔍 Most Likely Causes (In Order of Probability)

### 1. **Expired Google Tokens** (80% likely)
**Why:**
- Google OAuth tokens expire after a period of inactivity
- Sellers 2-4 may have connected at same time, tokens expired together
- Seller 1 probably reconnected more recently (or Google refreshed successfully)

**How to Check:**
```bash
# On LIVE server:
php artisan googlesheets:diagnose

# Look for "Token Status: ❌ EXPIRED"
```

**Fix:**
Each affected seller needs to:
1. Go to `/settings/google-sheets`
2. Click "Disconnect Google Account"
3. Click "Connect Google Account" again
4. Authorize with their Gmail

---

### 2. **Queue Worker Not Running** (15% likely)
**Why:**
- Jobs get queued but never execute
- All sellers would be affected, not just 3
- But possible if queue started AFTER Seller 1's orders

**How to Check:**
```bash
# On LIVE server:
ps aux | grep "queue:work"
# OR
supervisorctl status
```

**Fix:**
```bash
php artisan queue:restart
# OR
supervisorctl restart all
```

---

### 3. **Silent Job Failures** (5% likely)
**Why:**
- Jobs execute but fail silently
- Errors not logged properly

**How to Check:**
```bash
# Check failed jobs table
php artisan queue:failed
```

**Fix:**
- Check logs for errors
- Retry failed jobs: `php artisan queue:retry all`

---

## 📋 What You Need to Do (On LIVE Server)

### Step 1: Run Diagnostic
```bash
ssh your-server
cd /path/to/multistore
php artisan googlesheets:diagnose
```

**Screenshot or copy the output and send to me.**

### Step 2: Check Logs
```bash
tail -f storage/logs/laravel.log | grep "Google Sheets"
```

**Then create a test order as Seller 2 and watch the logs.**

What do you see?
- "Google Sheets sync job queued" → Good, job dispatched
- "Order synced to Google Sheets" → Good, job completed
- Any error messages? → That's the clue!

### Step 3: Report Back

Please provide:
1. Output of `googlesheets:diagnose` command
2. Relevant log entries when Seller 2/3/4 create orders
3. Are Sellers 2-4's tokens showing as EXPIRED?

---

## 🚫 What We Did NOT Do (Yet)

- ❌ No code changes made
- ❌ No database changes
- ❌ No fixes applied
- ✅ Only investigation and diagnostics

**Why?** Because I misunderstood the issue initially. Now I need real data from your LIVE server to identify the actual root cause.

---

## 📁 Files Created

1. **`app/Console/Commands/DiagnoseGoogleSheetsSync.php`**
   - New diagnostic command
   - Run: `php artisan googlesheets:diagnose`

2. **`docs/GOOGLE_SHEETS_SYNC_INVESTIGATION.md`**
   - Comprehensive troubleshooting guide
   - Step-by-step diagnostic procedures
   - Common issues and solutions

3. **`docs/INVESTIGATION_SUMMARY.md`** (this file)
   - High-level summary
   - What was done
   - Next steps

4. **`app/Observers/OrderObserver.php.backup-2025-11-20`**
   - Backup of modified observer
   - Can restore if needed

---

## 🎯 Next Steps

**I need you to:**
1. SSH to your LIVE server
2. Run: `php artisan googlesheets:diagnose`
3. Send me the output
4. Create a test order as Seller 2
5. Send me any log errors

**Then I can:**
1. Identify the exact root cause
2. Provide the correct fix
3. Test the fix won't break anything

---

**Status:** Waiting for live server diagnostics

