root
78 lines
2.2 KiB
PHP
78 lines
2.2 KiB
PHP
<?php
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namespace App\Services\Invoices;
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use App\Models\ClassSection;
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class InvoiceTuitionService
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{
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public function __construct(
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private InvoiceGradeService $grades,
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private int $gradeFee,
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private float $firstStudentFee,
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private float $secondStudentFee,
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private float $youthFee,
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private string $timezone
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) {}
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public function calculateTuitionFee(array $registeredKids, array $withdrawnKids, ?string $refundDeadline): float
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{
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$refundOk = $this->isRefundAllowed($refundDeadline);
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$tuitionStudents = $refundOk ? $registeredKids : array_merge($registeredKids, $withdrawnKids);
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return $this->calculateTotalTuitionFee($tuitionStudents);
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}
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public function calculateTotalTuitionFee(array $students): float
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{
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foreach ($students as &$student) {
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$gradeName = ClassSection::getClassSectionNameBySectionId($student['class_section_id'] ?? null) ?? '';
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$student['grade'] = strtoupper(trim($gradeName));
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}
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unset($student);
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$regularCount = 0;
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$youthCount = 0;
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foreach ($students as $student) {
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$levelInfo = $this->grades->getGradeLevel($student['grade'] ?? '');
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$level = (int) ($levelInfo['level'] ?? 999);
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if ($level > $this->gradeFee) {
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$youthCount++;
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} else {
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$regularCount++;
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}
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}
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$total = 0.0;
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$total += $youthCount * $this->youthFee;
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if ($regularCount >= 2) {
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$total += $this->firstStudentFee;
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$total += ($regularCount - 1) * $this->secondStudentFee;
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} elseif ($regularCount === 1) {
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$total += $this->firstStudentFee;
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}
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return $total;
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}
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private function isRefundAllowed(?string $refundDeadline): bool
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{
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if (! $refundDeadline) {
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return true;
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}
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try {
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$tz = new \DateTimeZone($this->timezone);
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$today = new \DateTimeImmutable('today', $tz);
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$deadline = new \DateTimeImmutable($refundDeadline, $tz);
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return $today <= $deadline;
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} catch (\Throwable $e) {
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return true;
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}
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}
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}
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