fix tests

app/Services/Discounts/DiscountInvoiceService.php

@@ -17,13 +17,12 @@ class DiscountInvoiceService
 {
     public function __construct(
         private ApplicationUrlService $urls,
-    ) {
-    }
+    ) {}
 
     public function getCurrentInvoiceBalance(int $invoiceId, string $schoolYear): float
     {
         $invoice = Invoice::query()->find($invoiceId);
-        if (!$invoice) {
+        if (! $invoice) {
             return 0.0;
         }
 
@@ -66,13 +65,14 @@ class DiscountInvoiceService
         $totalRefundPaid = (float) ($rowRefund['total_refund_paid'] ?? 0);
 
         $total = (float) ($invoice->total_amount ?? 0);
+
         return max(0.0, round($total - $totalPaid - $totalDisc - $totalRefundPaid, 2));
     }
 
     public function recalculateInvoice(int $invoiceId, string $schoolYear): void
     {
         $invoice = Invoice::query()->find($invoiceId);
-        if (!$invoice) {
+        if (! $invoice) {
             return;
         }
 
@@ -118,7 +118,7 @@ class DiscountInvoiceService
         }
 
         $tuitionStudents = $registered;
-        if (!$refundAllowed) {
+        if (! $refundAllowed) {
             $tuitionStudents = array_merge($tuitionStudents, $withdrawn);
         }
 
@@ -129,7 +129,7 @@ class DiscountInvoiceService
 
         foreach ($tuitionStudents as &$s) {
             $name = null;
-            if (!empty($s['class_section_id'])) {
+            if (! empty($s['class_section_id'])) {
                 $name = ClassSection::getClassSectionNameBySectionId($s['class_section_id']);
             }
             $s['grade_name'] = is_string($name) ? strtoupper(trim($name)) : 'N/A';
@@ -236,13 +236,13 @@ class DiscountInvoiceService
     public function updateEnrollmentStatusIfPaid(int $invoiceId, string $schoolYear): int
     {
         $invoice = Invoice::query()->find($invoiceId);
-        if (!$invoice) {
+        if (! $invoice) {
             return 0;
         }
 
         $total = (float) ($invoice->total_amount ?? 0);
         $balance = (float) ($invoice->balance ?? 0);
-        if (!($total > 0 && $balance < $total)) {
+        if (! ($total > 0 && $balance < $total)) {
             return 0;
         }
 
@@ -281,7 +281,7 @@ class DiscountInvoiceService
                     ->orWhereRaw("LOWER(TRIM(REPLACE(enrollment_status, CHAR(160), ' '))) = 'payment pending'");
             });
 
-        if (!empty($paidEnrollmentIds)) {
+        if (! empty($paidEnrollmentIds)) {
             $query->whereIn('id', array_values(array_unique($paidEnrollmentIds)));
         }
 
@@ -314,7 +314,7 @@ class DiscountInvoiceService
         string $semester
     ): array {
         $invoice = Invoice::query()->find($invoiceId);
-        if (!$invoice) {
+        if (! $invoice) {
             throw new \RuntimeException("Invoice {$invoiceId} not found");
         }
 
@@ -380,6 +380,7 @@ class DiscountInvoiceService
 
         if (preg_match('/^Y(?:OUTH)?\\s*(\\d+)?$/', $g, $m)) {
             $n = isset($m[1]) && $m[1] !== '' ? max(1, (int) $m[1]) : 1;
+
             return $gradeFee + $n;
         }
 
@@ -395,6 +396,7 @@ class DiscountInvoiceService
         if (function_exists('local_date') && function_exists('utc_now')) {
             return (string) local_date(utc_now(), $format);
         }
+
         return now()->format($format);
     }
 }