root
255 lines
9.3 KiB
PHP
255 lines
9.3 KiB
PHP
<?php
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namespace App\Services\Reports\Stickers;
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use Illuminate\Support\Facades\Log;
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class StickerPrintService
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{
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public function __construct(private StickerQueryService $queryService) {}
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public function generate(array $payload): array
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{
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$schoolYear = $this->queryService->resolveSchoolYear($payload['school_year'] ?? null);
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if ($schoolYear === '') {
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Log::error('Sticker print requested without school year.');
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}
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$studentId = (int) ($payload['student_id'] ?? 0);
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$classSectionId = (int) ($payload['class_section_id'] ?? $payload['class_id'] ?? 0);
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$printAll = (bool) ($payload['print_all'] ?? false);
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if ($studentId > 0) {
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$student = $this->queryService->findStudent($studentId);
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if (! $student) {
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return ['ok' => false, 'message' => 'Student not found.'];
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}
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$students = [$student];
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} elseif ($classSectionId > 0) {
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$students = $this->queryService->listStudentsByClass($classSectionId, $schoolYear);
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if (empty($students)) {
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return ['ok' => false, 'message' => 'No students found in this class.'];
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}
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} elseif ($printAll) {
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$students = $this->queryService->listStudentsForPrintAll($schoolYear);
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if (empty($students)) {
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return ['ok' => false, 'message' => 'No students found for this school year.'];
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}
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} else {
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return ['ok' => false, 'message' => 'Please select a student or class.'];
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}
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$printList = $this->expandCopies($students, $payload, $studentId > 0);
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if (empty($printList)) {
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return ['ok' => false, 'message' => 'Nothing to print. All quantities are zero.'];
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}
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$layout = $this->buildLayout($payload);
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$pdf = new \FPDF($layout['orientation'], 'mm', $layout['page_size']);
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$pdf->SetMargins($layout['margin_left'], $layout['margin_top'], $layout['margin_right']);
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$pdf->SetAutoPageBreak(true, $layout['margin_bottom']);
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$pdf->AddPage();
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$pdf->SetFont('Arial', '', 12);
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$pageW = (float) $pdf->GetPageWidth();
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$pageH = (float) $pdf->GetPageHeight();
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$usableW = max(0.0, $pageW - ($layout['margin_left'] + $layout['margin_right']));
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$usableH = max(0.0, $pageH - ($layout['margin_top'] + $layout['margin_bottom']));
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$cols = (int) floor(($usableW + max(0.0, $layout['gap_x'])) / (max(0.1, $layout['sticker_width']) + max(0.0, $layout['gap_x'])));
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$rows = (int) floor(($usableH + max(0.0, $layout['gap_y'])) / (max(0.1, $layout['sticker_height']) + max(0.0, $layout['gap_y'])));
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$cols = max(1, $cols);
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$rows = max(1, $rows);
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$capacity = $cols * $rows;
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if ($layout['stickers_per_page'] > 0 && $layout['stickers_per_page'] < $capacity) {
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$rows = (int) ceil($layout['stickers_per_page'] / $cols);
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$maxRowsFit = (int) floor(($usableH + max(0.0, $layout['gap_y'])) / (max(0.1, $layout['sticker_height']) + max(0.0, $layout['gap_y'])));
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$rows = max(1, min($rows, max(1, $maxRowsFit)));
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$capacity = $cols * $rows;
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}
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$xStart = $layout['margin_left'];
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$yStart = $layout['margin_top'];
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$x = $xStart;
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$y = $yStart;
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$ptToMm = static function (float $pt): float {
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return $pt * 0.352778;
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};
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$i = 0;
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$perPage = $capacity;
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foreach ($printList as $student) {
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if ($i > 0 && $i % $perPage === 0) {
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$pdf->AddPage();
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$x = $xStart;
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$y = $yStart;
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}
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$pdf->SetFillColor(255, 255, 255);
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$pdf->Rect($x, $y, $layout['sticker_width'], $layout['sticker_height'], 'F');
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$fontFamily = 'Arial';
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$fontStyle = 'B';
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$maxPt = 16;
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$minPt = 8;
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$hPad = 2;
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$fullName = trim(($student['firstname'] ?? '').' '.($student['lastname'] ?? '')) ?: 'Student';
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$bestPt = $maxPt;
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$textW = 0.0;
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while ($bestPt >= $minPt) {
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$pdf->SetFont($fontFamily, $fontStyle, $bestPt);
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$textW = (float) $pdf->GetStringWidth($fullName);
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if ($textW <= ($layout['sticker_width'] - 2 * $hPad)) {
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break;
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}
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$bestPt -= 0.5;
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}
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if ($bestPt < $minPt) {
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$bestPt = $minPt;
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$pdf->SetFont($fontFamily, $fontStyle, $bestPt);
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$textW = (float) $pdf->GetStringWidth($fullName);
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}
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$textH = $ptToMm($bestPt);
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$cellX = $x + (($layout['sticker_width'] - $textW) / 2);
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$cellY = $y + (($layout['sticker_height'] - $textH) / 2);
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$pdf->SetXY($cellX, $cellY);
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$pdf->Cell($textW, $textH, $fullName, 0, 0, 'L');
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$i++;
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$posInRow = ($i - 1) % $cols;
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if ($posInRow === ($cols - 1)) {
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$x = $xStart;
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$y += $layout['sticker_height'] + $layout['gap_y'];
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} else {
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$x += $layout['sticker_width'] + $layout['gap_x'];
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}
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}
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return [
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'ok' => true,
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'pdf' => $pdf->Output('S'),
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'filename' => 'Student_Stickers.pdf',
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];
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}
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private function expandCopies(array $students, array $payload, bool $singleStudentMode): array
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{
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$copiesPosted = $payload['copies'] ?? null;
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$singleCopies = (int) ($payload['single_copies'] ?? 1);
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if ($singleCopies < 0) {
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$singleCopies = 0;
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}
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$printList = [];
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if ($singleStudentMode) {
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$qty = max(0, $singleCopies);
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for ($k = 0; $k < $qty; $k++) {
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$printList[] = $students[0];
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}
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return $printList;
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}
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$hasCopies = is_array($copiesPosted);
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$defaultQty = $hasCopies ? 0 : 1;
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foreach ($students as $student) {
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$id = (int) ($student['id'] ?? 0);
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$qty = $defaultQty;
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if ($hasCopies && array_key_exists((string) $id, $copiesPosted)) {
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$qty = (int) $copiesPosted[(string) $id];
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}
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$qty = max(0, $qty);
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for ($k = 0; $k < $qty; $k++) {
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$printList[] = $student;
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}
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}
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return $printList;
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}
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private function buildLayout(array $payload): array
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{
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$sizeStrReq = trim((string) ($payload['sticker_size'] ?? ''));
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$stickerWidth = (float) ($payload['sticker_width'] ?? 0);
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$stickerHeight = (float) ($payload['sticker_height'] ?? 0);
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if (($stickerWidth <= 0 || $stickerHeight <= 0) && $sizeStrReq !== '') {
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if (preg_match('/^\\s*(\\d+(?:\\.\\d+)?)\\s*[xX\\x{00D7}]\\s*(\\d+(?:\\.\\d+)?)\\s*$/u', $sizeStrReq, $m)) {
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$stickerWidth = (float) $m[1];
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$stickerHeight = (float) $m[2];
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}
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}
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if ($stickerWidth <= 0) {
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$stickerWidth = 102.0;
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}
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if ($stickerHeight <= 0) {
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$stickerHeight = 34.0;
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}
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$stickersPerPage = (int) ($payload['stickers_per_page'] ?? 0);
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$pageSize = (string) ($payload['page_size'] ?? 'A4');
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$orientation = (string) ($payload['orientation'] ?? 'P');
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$marginLeftProvided = array_key_exists('margin_left', $payload);
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$marginTopProvided = array_key_exists('margin_top', $payload);
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$marginRightProvided = array_key_exists('margin_right', $payload);
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$marginBottomProvided = array_key_exists('margin_bottom', $payload);
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$gapXProvided = array_key_exists('gap_x', $payload);
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$gapYProvided = array_key_exists('gap_y', $payload);
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$marginLeft = (float) ($payload['margin_left'] ?? 6);
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$marginTop = (float) ($payload['margin_top'] ?? 6);
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$marginRight = (float) ($payload['margin_right'] ?? $marginLeft);
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$marginBottom = (float) ($payload['margin_bottom'] ?? 10);
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$gapX = (float) ($payload['gap_x'] ?? 0);
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$gapY = (float) ($payload['gap_y'] ?? 0);
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$normalizedSize = strtolower(str_replace(["\x{00D7}", ' '], ['x', ''], $sizeStrReq));
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$isXSmallPreset = $normalizedSize === '100x24.5'
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|| (abs($stickerWidth - 100.0) < 0.6 && abs($stickerHeight - 24.5) < 0.6);
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if ($isXSmallPreset) {
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if (! $marginLeftProvided) {
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$marginLeft = 4.0;
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if (! $marginRightProvided) {
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$marginRight = 4.0;
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}
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}
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if (! $marginRightProvided && $marginRight < 4.0) {
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$marginRight = 4.0;
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}
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if (! $gapXProvided) {
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$gapX = 0.0;
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}
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if (! $gapYProvided) {
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$gapY = 0.0;
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}
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}
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return [
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'sticker_width' => $stickerWidth,
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'sticker_height' => $stickerHeight,
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'stickers_per_page' => $stickersPerPage,
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'page_size' => $pageSize,
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'orientation' => $orientation,
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'margin_left' => $marginLeft,
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'margin_top' => $marginTop,
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'margin_right' => $marginRight,
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'margin_bottom' => $marginBottom,
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'gap_x' => $gapX,
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'gap_y' => $gapY,
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];
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}
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}
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