Files
alrahma_sunday_school_api/app/Services/Invoices/InvoicePdfService.php
T
2026-06-09 02:32:58 -04:00

451 lines
17 KiB
PHP

<?php
namespace App\Services\Invoices;
use App\Models\AdditionalCharge;
use App\Models\ClassSection;
use App\Models\DiscountUsage;
use App\Models\Enrollment;
use App\Models\EventCharges;
use App\Models\Invoice;
use App\Models\Payment;
use App\Models\Refund;
use App\Models\Student;
use App\Models\StudentClass;
use App\Models\User;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;
class InvoicePdfService
{
public function __construct(
private InvoiceConfigService $config,
private InvoiceGradeService $grades
) {
}
public function buildPdf(int $invoiceId): string
{
$data = $this->prepareInvoiceData($invoiceId);
if (isset($data['error'])) {
return $this->renderErrorPdf($data['error']);
}
return $this->renderPdfInvoice($data);
}
public function previewData(int $invoiceId): array
{
return $this->prepareInvoiceData($invoiceId);
}
private function prepareInvoiceData(int $invoiceId): array
{
$invoice = Invoice::query()->find($invoiceId);
if (!$invoice) {
return ['error' => 'No invoice was generated. Please contact the school administration.'];
}
$parentId = (int) ($invoice->parent_id ?? 0);
$schoolYear = (string) ($invoice->school_year ?? $this->config->getSchoolYear());
$paymentsQuery = Payment::query()
->where('parent_id', $parentId)
->where('school_year', $schoolYear)
->where('invoice_id', $invoiceId);
if (Schema::hasColumn('payments', 'status')) {
$exclude = ['void', 'voided', 'refunded', 'failed', 'chargeback', 'declined', 'reversed', 'canceled', 'cancelled'];
$paymentsQuery->where(function ($q) use ($exclude) {
$q->whereNotIn('status', $exclude)->orWhereNull('status');
});
}
if (Schema::hasColumn('payments', 'is_void')) {
$paymentsQuery->where(function ($q) {
$q->where('is_void', 0)->orWhereNull('is_void');
});
}
$payments = $paymentsQuery->get()->map(fn ($r) => $r->toArray())->all();
$parent = User::query()->find($parentId);
if (!$parent) {
return ['error' => 'Parent associated with the invoice was not found.'];
}
$enrollments = Enrollment::query()
->where('parent_id', $parentId)
->where('school_year', $schoolYear)
->get()
->map(fn ($r) => $r->toArray())
->all();
if (empty($enrollments)) {
return ['error' => 'No enrollments found for this invoice.'];
}
$registeredKids = [];
$withdrawnKids = [];
foreach ($enrollments as $enrollment) {
$student = Student::query()->find($enrollment['student_id']);
if (!$student) {
continue;
}
$grade = StudentClass::getStudentGrade((int) $student->id);
$studentData = [
'student_id' => (int) $student->id,
'student_firstname' => (string) ($student->firstname ?? ''),
'student_lastname' => (string) ($student->lastname ?? ''),
'grade' => $grade,
'tuition_fee' => $enrollment['tuition_fee'] ?? 0,
'enrollment_status' => $enrollment['enrollment_status'],
];
if (in_array($enrollment['enrollment_status'], ['enrolled', 'payment pending'], true)) {
$registeredKids[] = $studentData;
} elseif (in_array($enrollment['enrollment_status'], ['withdrawn', 'withdraw under review', 'refund pending'], true)) {
$withdrawnKids[] = $studentData;
}
}
$registeredKids = array_values(array_filter($registeredKids, function ($student) use ($schoolYear) {
$sid = (int) ($student['student_id'] ?? 0);
return $sid > 0 && StudentClass::hasNonEventAssignment($sid, $schoolYear);
}));
$withdrawnKids = array_values(array_filter($withdrawnKids, function ($student) use ($schoolYear) {
$sid = (int) ($student['student_id'] ?? 0);
return $sid > 0 && StudentClass::hasNonEventAssignment($sid, $schoolYear);
}));
usort($registeredKids, fn ($a, $b) => $this->grades->compareGrades((string) $a['grade'], (string) $b['grade']));
usort($withdrawnKids, fn ($a, $b) => $this->grades->compareGrades((string) $a['grade'], (string) $b['grade']));
$refundAllowed = true;
$refundDeadline = $this->config->getRefundDeadline();
if ($refundDeadline) {
try {
$tz = new \DateTimeZone($this->config->getTimezone());
$today = new \DateTimeImmutable('today', $tz);
$deadline = new \DateTimeImmutable($refundDeadline, $tz);
$refundAllowed = $today <= $deadline;
} catch (\Throwable $e) {
$refundAllowed = true;
}
}
$studentCharges = [];
$regularCount = 0;
$gradeFee = $this->config->getGradeFee();
$firstFee = $this->config->getFirstStudentFee();
$secondFee = $this->config->getSecondStudentFee();
$youthFee = $this->config->getYouthFee();
$computeCharge = function (int $gradeLevel, string $gradeName) use (&$regularCount, $gradeFee, $firstFee, $secondFee, $youthFee) {
$isRegular = $this->grades->isKindergarten($gradeName) || ($gradeLevel > 0 && $gradeLevel <= $gradeFee);
if ($isRegular) {
$fee = $regularCount === 0 ? $firstFee : $secondFee;
$regularCount++;
return $fee;
}
return $youthFee;
};
foreach ($registeredKids as $student) {
$gradeName = (string) ($student['grade'] ?? '');
$gradeLevel = $this->grades->gradeLevelInt($gradeName);
$unitFee = $computeCharge($gradeLevel, $gradeName);
$studentCharges[$student['student_id']] = ['unit_fee' => $unitFee, 'refund' => 0];
}
if (!$refundAllowed) {
foreach ($withdrawnKids as $student) {
$gradeName = (string) ($student['grade'] ?? '');
$gradeLevel = $this->grades->gradeLevelInt($gradeName);
$unitFee = $computeCharge($gradeLevel, $gradeName);
$studentCharges[$student['student_id']] = ['unit_fee' => $unitFee, 'refund' => 0];
}
}
$eventsList = EventCharges::getChargesWithEventInfo($parentId, $schoolYear);
$studentIds = array_values(array_unique(array_map(static fn ($r) => (int) ($r['student_id'] ?? 0), array_merge($registeredKids, $withdrawnKids))));
$schoolIdMap = [];
if (!empty($studentIds)) {
$rows = Student::query()->whereIn('id', $studentIds)->get(['id', 'school_id'])->all();
foreach ($rows as $row) {
$schoolIdMap[(int) $row->id] = $row->school_id ?? 'N/A';
}
}
$students = array_merge($registeredKids, $withdrawnKids);
foreach ($students as $i => $s) {
$sid = (int) ($s['student_id'] ?? 0);
$students[$i]['student_school_id'] = $schoolIdMap[$sid] ?? 'N/A';
}
$discounts = DiscountUsage::query()
->where('invoice_id', $invoiceId)
->where('parent_id', $parentId)
->where('school_year', $schoolYear)
->get()
->map(fn ($r) => $r->toArray())
->all();
$refundsPaidTotal = (float) DB::table('refunds')
->selectRaw('COALESCE(SUM(refund_paid_amount),0) AS tot')
->where('invoice_id', $invoiceId)
->where('school_year', $schoolYear)
->whereIn('status', ['Partial', 'Paid'])
->value('tot');
$acRows = AdditionalCharge::query()
->select('id', 'charge_type', 'title', 'description', 'amount', 'due_date', 'status', 'created_at')
->where('invoice_id', $invoiceId)
->where('status', '!=', 'void')
->orderBy('created_at')
->orderBy('id')
->get()
->map(fn ($r) => $r->toArray())
->all();
$additionalChargeLines = [];
$additionalChargesTotal = 0.0;
foreach ($acRows as $ac) {
$signed = (float) ($ac['amount'] ?? 0);
$ctype = strtolower((string) ($ac['charge_type'] ?? ''));
if ($ctype === 'deduct' && $signed > 0) {
$signed = -$signed;
} elseif ($ctype === 'add' && $signed < 0) {
$signed = abs($signed);
}
$lineDate = !empty($ac['created_at'])
? date('Y-m-d', strtotime($ac['created_at']))
: (!empty($invoice->created_at) ? local_date($invoice->created_at, 'Y-m-d') : local_date(utc_now(), 'Y-m-d'));
$desc = $ac['description'] ?? '';
if ($desc === '') {
$desc = $ctype === 'deduct' ? 'Deduct' : 'Add';
}
$additionalChargesTotal += $signed;
$additionalChargeLines[] = [
'date' => $lineDate,
'description' => $desc,
'amount' => $signed,
];
}
return [
'invoice' => $invoice->toArray(),
'parent' => $parent->toArray(),
'registeredKids' => $registeredKids,
'withdrawnKids' => $withdrawnKids,
'studentCharges' => $studentCharges,
'events' => $eventsList,
'students' => $students,
'payments' => $payments,
'discounts' => $discounts,
'additionalChargeLines' => $additionalChargeLines,
'additionalChargesTotal' => round($additionalChargesTotal, 2),
'refundsPaidTotal' => $refundsPaidTotal,
];
}
private function renderPdfInvoice(array $data): string
{
$invoice = $data['invoice'];
$parent = $data['parent'];
$registeredKids = $data['registeredKids'] ?? [];
$withdrawnKids = $data['withdrawnKids'] ?? [];
$studentCharges = $data['studentCharges'] ?? [];
$events = $data['events'] ?? [];
$students = $data['students'] ?? [];
$payments = $data['payments'] ?? [];
$discounts = $data['discounts'] ?? [];
$additionalChargeLines = $data['additionalChargeLines'] ?? [];
$additionalChargesTotal = (float) ($data['additionalChargesTotal'] ?? 0);
$refundsPaidTotal = (float) ($data['refundsPaidTotal'] ?? 0);
$pdf = new \FPDF();
$pdf->AddPage();
$pdf->SetFont('Arial', 'B', 16);
$pdf->Cell(0, 10, 'Invoice', 0, 1, 'C');
$pdf->Ln(4);
$pdf->SetFont('Arial', 'B', 12);
$pdf->Cell(40, 6, 'Parent Name:', 0, 0, 'L');
$pdf->SetFont('Arial', '', 12);
$pdf->Cell(0, 6, ($parent['firstname'] ?? '') . ' ' . ($parent['lastname'] ?? ''), 0, 1, 'L');
$pdf->SetFont('Arial', 'B', 12);
$pdf->Cell(40, 6, 'Invoice Number:', 0, 0, 'L');
$pdf->SetFont('Arial', '', 12);
$pdf->Cell(0, 6, (string) ($invoice['invoice_number'] ?? ''), 0, 1, 'L');
$pdf->Ln(8);
$pdf->SetFont('Arial', 'B', 11);
$pdf->Cell(30, 7, 'Date', 1);
$pdf->Cell(130, 7, 'Description', 1);
$pdf->Cell(30, 7, 'Amount', 1, 1, 'R');
$transactions = [];
$seq = 0;
$push = function (\DateTimeImmutable $dt, string $desc, float $amount, string $cat) use (&$transactions, &$seq) {
$transactions[] = [
'dt' => $dt,
'description' => $desc,
'amount' => $amount,
'cat' => $cat,
'seq' => $seq++,
];
};
$tz = new \DateTimeZone($this->config->getTimezone());
$toLocal = function (?string $raw) use ($tz): \DateTimeImmutable {
if (!$raw) {
return new \DateTimeImmutable('now', $tz);
}
try {
return new \DateTimeImmutable($raw, $tz);
} catch (\Throwable $e) {
return new \DateTimeImmutable('now', $tz);
}
};
foreach ($registeredKids as $student) {
$id = $student['student_id'];
$unit = (float) ($studentCharges[$id]['unit_fee'] ?? 0.0);
$name = $student['student_firstname'] . ' ' . $student['student_lastname'];
$gradeName = ClassSection::getClassSectionNameByClassId($student['grade']) ?? $student['grade'];
$push($toLocal($invoice['created_at'] ?? null), 'Registration of "' . $name . '" in ' . $gradeName, $unit, 'registration');
}
foreach ($events as $event) {
$studentName = 'N/A';
if (!empty($event['student_id'])) {
foreach ($students as $st) {
if (($st['student_id'] ?? null) == $event['student_id']) {
$studentName = $st['student_firstname'] . ' ' . $st['student_lastname'];
break;
}
}
}
$amount = (float) ($event['charged'] ?? 0.0);
$eventName = $event['event_name'] ?? 'Event';
$push($toLocal($event['created_at'] ?? null), 'Event ' . $eventName . ' for "' . $studentName . '"', $amount, 'event');
}
foreach ($additionalChargeLines as $line) {
$push($toLocal($line['date'] ?? null), (string) ($line['description'] ?? 'Additional Charge'), (float) ($line['amount'] ?? 0), 'additional');
}
$totalPaid = 0.0;
foreach ($payments as $payment) {
$amount = (float) ($payment['paid_amount'] ?? 0.0);
$totalPaid += $amount;
$push($toLocal($payment['payment_date'] ?? null), 'Payment (' . ($payment['payment_method'] ?? 'Payment') . ')', -$amount, 'payment');
}
$totalDiscount = 0.0;
foreach ($discounts as $discount) {
$amount = (float) ($discount['discount_amount'] ?? 0.0);
$totalDiscount += $amount;
$push($toLocal($discount['used_at'] ?? null), 'Discount applied', -$amount, 'discount');
}
usort($transactions, function ($a, $b) {
$dayA = $a['dt']->format('Y-m-d');
$dayB = $b['dt']->format('Y-m-d');
if ($dayA !== $dayB) {
return $a['dt'] <=> $b['dt'];
}
$pri = [
'registration' => 10,
'event' => 20,
'additional' => 25,
'discount' => 30,
'payment' => 90,
'other' => 50,
];
$pa = $pri[$a['cat']] ?? 50;
$pb = $pri[$b['cat']] ?? 50;
if ($pa !== $pb) {
return $pa <=> $pb;
}
$cmp = $a['dt'] <=> $b['dt'];
return $cmp !== 0 ? $cmp : ($a['seq'] <=> $b['seq']);
});
$pdf->SetFont('Arial', '', 10);
foreach ($transactions as $t) {
$pdf->Cell(30, 7, $t['dt']->format('m-d-Y'), 1);
$pdf->Cell(130, 7, $t['description'], 1);
$pdf->Cell(30, 7, ($t['amount'] < 0 ? '-$' : '$') . number_format(abs($t['amount']), 2), 1, 1, 'R');
}
$tuitionSubtotal = 0.0;
foreach ($studentCharges as $sc) {
$tuitionSubtotal += (float) ($sc['unit_fee'] ?? 0.0);
}
$eventSubtotal = 0.0;
foreach ($events as $ev) {
$eventSubtotal += (float) ($ev['charged'] ?? 0.0);
}
$totalAmount = round($tuitionSubtotal + $eventSubtotal + $additionalChargesTotal, 2);
$balance = $totalAmount - $totalPaid - $totalDiscount - $refundsPaidTotal;
if ($balance < 0) {
$balance = 0.0;
}
$pdf->Ln(5);
$pdf->SetFont('Arial', 'B', 12);
$pdf->Cell(160, 7, 'Total Charges:', 0, 0, 'R');
$pdf->SetFont('Arial', '', 12);
$pdf->Cell(30, 7, '$' . number_format($totalAmount, 2), 0, 1, 'R');
$pdf->SetFont('Arial', 'B', 12);
$pdf->Cell(160, 7, 'Total Paid:', 0, 0, 'R');
$pdf->SetFont('Arial', '', 12);
$pdf->Cell(30, 7, '$' . number_format($totalPaid, 2), 0, 1, 'R');
if ($totalDiscount > 0) {
$pdf->SetFont('Arial', 'B', 12);
$pdf->Cell(160, 7, 'Total Discount:', 0, 0, 'R');
$pdf->SetFont('Arial', '', 12);
$pdf->Cell(30, 7, '$' . number_format($totalDiscount, 2), 0, 1, 'R');
}
if ($refundsPaidTotal > 0) {
$pdf->SetFont('Arial', 'B', 12);
$pdf->Cell(160, 7, 'Refunds Paid:', 0, 0, 'R');
$pdf->SetFont('Arial', '', 12);
$pdf->Cell(30, 7, '$' . number_format($refundsPaidTotal, 2), 0, 1, 'R');
}
$pdf->SetFont('Arial', 'B', 12);
$pdf->Cell(160, 7, 'Balance Due:', 0, 0, 'R');
$pdf->SetFont('Arial', '', 12);
$pdf->Cell(30, 7, '$' . number_format($balance, 2), 0, 1, 'R');
return $pdf->Output('S');
}
private function renderErrorPdf(string $message): string
{
$pdf = new \FPDF();
$pdf->AddPage();
$pdf->SetFont('Arial', 'B', 16);
$pdf->Cell(0, 10, 'Error', 0, 1, 'C');
$pdf->SetFont('Arial', '', 12);
$pdf->Ln(10);
$pdf->MultiCell(0, 10, $message);
return $pdf->Output('S');
}
}