add controllers, servoices

app/Services/Discounts/DiscountParentService.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Services\Discounts;
+
+use App\Models\DiscountUsage;
+use App\Models\User;
+
+class DiscountParentService
+{
+    public function listParentsWithDiscounts(string $schoolYear): array
+    {
+        $parents = User::getParents();
+
+        foreach ($parents as &$parent) {
+            $total = DiscountUsage::getTotalDiscountByParentIdAndSchoolYear(
+                (int) ($parent['id'] ?? 0),
+                $schoolYear
+            );
+
+            $parent['total_discount'] = $total;
+            $parent['has_discount'] = $total > 0 ? 1 : 0;
+        }
+        unset($parent);
+
+        return $parents;
+    }
+}