fix parent pages and teachers and admin

app/Services/Invoices/InvoicePaymentService.php

@@ -35,8 +35,49 @@ class InvoicePaymentService
         }
 
         $invoiceIds = array_column($invoices, 'id');
+        $payments = [];
+        $discounts = [];
         $refunds = [];
         if (! empty($invoiceIds)) {
+            $paymentTotals = DB::table('payments')
+                ->selectRaw('invoice_id, COALESCE(SUM(paid_amount),0) as paid_amount')
+                ->whereIn('invoice_id', $invoiceIds)
+                ->where(function ($query) {
+                    $query->whereNotIn(DB::raw('LOWER(status)'), [
+                        'pending',
+                        'void',
+                        'voided',
+                        'cancelled',
+                        'canceled',
+                        'failed',
+                        'rejected',
+                        'refunded',
+                        'chargeback',
+                        'declined',
+                        'reversed',
+                    ])->orWhereNull('status');
+                })
+                ->groupBy('invoice_id')
+                ->get()
+                ->map(fn ($r) => (array) $r)
+                ->all();
+
+            foreach ($paymentTotals as $row) {
+                $payments[$row['invoice_id']] = (float) ($row['paid_amount'] ?? 0);
+            }
+
+            $discountResults = DB::table('discount_usages')
+                ->selectRaw('invoice_id, COALESCE(SUM(discount_amount),0) as discount_amount')
+                ->whereIn('invoice_id', $invoiceIds)
+                ->groupBy('invoice_id')
+                ->get()
+                ->map(fn ($r) => (array) $r)
+                ->all();
+
+            foreach ($discountResults as $row) {
+                $discounts[$row['invoice_id']] = (float) ($row['discount_amount'] ?? 0);
+            }
+
             $refundResults = DB::table('refunds')
                 ->selectRaw('invoice_id, COALESCE(SUM(refund_paid_amount),0) as refund_paid_amount')
                 ->whereIn('invoice_id', $invoiceIds)
@@ -63,9 +104,20 @@ class InvoicePaymentService
         }
 
         foreach ($invoices as &$invoice) {
-            $invoice['refund_amount'] = $refunds[$invoice['id']] ?? 0.0;
-            $invoice['last_paid_amount'] = $lastPayments[$invoice['id']]['last_paid_amount'] ?? 0.0;
-            $invoice['last_payment_date'] = $lastPayments[$invoice['id']]['last_payment_date'] ?? null;
+            $invoiceId = (int) ($invoice['id'] ?? 0);
+            $totalAmount = round((float) ($invoice['total_amount'] ?? 0), 2);
+            $paidAmount = round((float) ($payments[$invoiceId] ?? $invoice['paid_amount'] ?? 0), 2);
+            $discountAmount = round((float) ($discounts[$invoiceId] ?? $invoice['discount'] ?? 0), 2);
+            $refundAmount = round((float) ($refunds[$invoiceId] ?? 0), 2);
+            $balance = max(0.0, round($totalAmount - $paidAmount - $discountAmount - $refundAmount, 2));
+
+            $invoice['paid_amount'] = $paidAmount;
+            $invoice['discount'] = $discountAmount;
+            $invoice['refund_amount'] = $refundAmount;
+            $invoice['balance'] = $balance;
+            $invoice['status'] = $this->deriveInvoiceStatus($invoice['status'] ?? null, $paidAmount, $balance);
+            $invoice['last_paid_amount'] = $lastPayments[$invoiceId]['last_paid_amount'] ?? 0.0;
+            $invoice['last_payment_date'] = $lastPayments[$invoiceId]['last_payment_date'] ?? null;
         }
         unset($invoice);
 
@@ -77,4 +129,17 @@ class InvoicePaymentService
             'dueDate' => $this->config->getDueDate(),
         ];
     }
+
+    private function deriveInvoiceStatus(?string $storedStatus, float $paidAmount, float $balance): string
+    {
+        if ($balance <= 0.00001) {
+            return 'Paid';
+        }
+
+        if ($paidAmount > 0) {
+            return 'Partially Paid';
+        }
+
+        return $storedStatus ?: 'Unpaid';
+    }
 }