changes in order,popup invoice ,invoice pdf,invoice edit,customer add,customer a

app/Http/Controllers/Admin/AdminInvoiceController.php

@@ -9,6 +9,7 @@ use App\Models\InvoiceItem;
 use Mpdf\Mpdf;
 use App\Models\InvoiceInstallment;
 use Illuminate\Support\Facades\Log;
+use Barryvdh\DomPDF\Facade\Pdf;
 
 class AdminInvoiceController extends Controller
 {
@@ -41,9 +42,16 @@ class AdminInvoiceController extends Controller
     public function edit($id)
     {
         $invoice = Invoice::with(['order.shipments'])->findOrFail($id);
-        $shipment = $invoice->order?->shipments?->first();
+    $shipment = $invoice->order?->shipments?->first();
 
-        return view('admin.invoice_edit', compact('invoice', 'shipment'));
+    // ADD THIS SECTION: Calculate customer's total due across all invoices
+    $customerTotalDue = Invoice::where('customer_id', $invoice->customer_id)
+        ->where('status', '!=', 'cancelled')
+        ->where('status', '!=', 'void')
+        ->sum('final_amount_with_gst');
+
+    // Pass the new variable to the view
+    return view('admin.invoice_edit', compact('invoice', 'shipment', 'customerTotalDue'));
     }
 
     // -------------------------------------------------------------
@@ -145,16 +153,11 @@ class AdminInvoiceController extends Controller
 
     public function downloadInvoice($id)
 {
-    $invoice = Invoice::findOrFail($id);
+   $invoice = Invoice::findOrFail($id);
 
-    // Generate PDF if missing
-    if (
-        !$invoice->pdf_path ||
-        !file_exists(public_path($invoice->pdf_path))
-    ) {
-        $this->generateInvoicePDF($invoice);
-        $invoice->refresh();
-    }
+    // ALWAYS regenerate to reflect latest HTML/CSS
+    $this->generateInvoicePDF($invoice);
+    $invoice->refresh();
 
     return response()->download(public_path($invoice->pdf_path));
 }