add controllers, servoices

app/Services/Invoices/InvoiceConfigService.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace App\Services\Invoices;
+
+use App\Models\Configuration;
+
+class InvoiceConfigService
+{
+    public function getSchoolYear(): string
+    {
+        return (string) (Configuration::getConfig('school_year') ?? date('Y'));
+    }
+
+    public function getSemester(): string
+    {
+        return (string) (Configuration::getConfig('semester') ?? 'Fall');
+    }
+
+    public function getDueDate(): ?string
+    {
+        $value = Configuration::getConfig('due_date');
+        return $value ? (string) $value : null;
+    }
+
+    public function getGradeFee(): int
+    {
+        return (int) (Configuration::getConfig('grade_fee') ?? 9);
+    }
+
+    public function getFirstStudentFee(): float
+    {
+        return (float) (Configuration::getConfig('first_student_fee') ?? 350);
+    }
+
+    public function getSecondStudentFee(): float
+    {
+        return (float) (Configuration::getConfig('second_student_fee') ?? 200);
+    }
+
+    public function getYouthFee(): float
+    {
+        return (float) (Configuration::getConfig('youth_fee') ?? 180);
+    }
+
+    public function getRefundDeadline(): ?string
+    {
+        $value = Configuration::getConfig('refund_deadline');
+        if (!$value) {
+            return null;
+        }
+
+        try {
+            return date('Y-m-d', strtotime((string) $value));
+        } catch (\Throwable $e) {
+            return null;
+        }
+    }
+
+    public function getTimezone(): string
+    {
+        return (string) (config('School')->attendance['timezone'] ?? user_timezone());
+    }
+}