yatra / app / Services / PdfService.php

PdfService.php in Yatra – Travel Booking & Tour Operator Software 3.0.3, at app/Services/PdfService.php

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1	<?php
2
3	declare(strict_types=1);
4
5	namespace Yatra\Services;
6
7	class PdfService
8	{
9	public function isAvailable(): bool
10	{
11	return class_exists('Dompdf\\Dompdf') \|\| class_exists('Mpdf\\Mpdf');
12	}
13
14	public function renderHtmlToPdf(string $html, array $options = []): string
15	{
16	$paper = (string) ($options['paper'] ?? 'A4');
17	$orientation = (string) ($options['orientation'] ?? 'portrait');
18	$defaultFont = (string) ($options['default_font'] ?? 'DejaVu Sans');
19
20	if (class_exists('Dompdf\\Dompdf')) {
21	$optionsClass = 'Dompdf\\Options';
22	$dompdfClass = 'Dompdf\\Dompdf';
23
24	$dompdfOptions = class_exists($optionsClass) ? new $optionsClass() : null;
25	if ($dompdfOptions) {
26	$dompdfOptions->set('isRemoteEnabled', true);
27	$dompdfOptions->set('isHtml5ParserEnabled', true);
28	$dompdfOptions->set('defaultFont', $defaultFont);
29	}
30
31	$dompdf = $dompdfOptions ? new $dompdfClass($dompdfOptions) : new $dompdfClass();
32	$dompdf->loadHtml($html, 'UTF-8');
33	$dompdf->setPaper($paper, $orientation);
34	$dompdf->render();
35	return (string) $dompdf->output();
36	}
37
38	if (class_exists('Mpdf\\Mpdf')) {
39	$mpdfClass = 'Mpdf\\Mpdf';
40	$mpdf = new $mpdfClass(['format' => $paper]);
41	$mpdf->WriteHTML($html);
42	return (string) $mpdf->Output('', 'S');
43	}
44
45	throw new \RuntimeException('PDF engine is not available');
46	}
47
48	public function renderHtmlToPdfSafely(string $html, array $options = []): string
49	{
50	$originalErrorReporting = error_reporting();
51	$originalDisplayErrors = ini_get('display_errors');
52	$originalHtmlErrors = ini_get('html_errors');
53	$startObLevel = ob_get_level();
54
55	ini_set('display_errors', '0');
56	ini_set('html_errors', '0');
57	error_reporting($originalErrorReporting & ~E_DEPRECATED & ~E_USER_DEPRECATED);
58	ob_start();
59
60	$previousErrorHandler = set_error_handler(static function (int $errno) {
61	if ($errno === E_DEPRECATED \|\| $errno === E_USER_DEPRECATED) {
62	return true;
63	}
64	return false;
65	});
66
67	try {
68	return $this->renderHtmlToPdf($html, $options);
69	} finally {
70	if ($previousErrorHandler !== null) {
71	restore_error_handler();
72	}
73
74	while (ob_get_level() > $startObLevel) {
75	ob_end_clean();
76	}
77
78	error_reporting($originalErrorReporting);
79	if ($originalDisplayErrors !== false) {
80	ini_set('display_errors', (string) $originalDisplayErrors);
81	}
82	if ($originalHtmlErrors !== false) {
83	ini_set('html_errors', (string) $originalHtmlErrors);
84	}
85	}
86	}
87
88	public function renderTemplate(string $templatePath, array $data = []): string
89	{
90	$templateFile = YATRA_PLUGIN_PATH . 'templates/' . $templatePath;
91
92	if (!file_exists($templateFile)) {
93	throw new \InvalidArgumentException("Template file not found: {$templateFile}");
94	}
95
96	// Extract data variables for template
97	extract($data, EXTR_OVERWRITE);
98
99	// Capture output
100	ob_start();
101	try {
102	include $templateFile;
103	return ob_get_clean();
104	} catch (\Throwable $e) {
105	ob_end_clean();
106	throw $e;
107	}
108	}
109
110	public function renderTemplateToPdf(string $templatePath, array $data = [], array $options = []): string
111	{
112	$html = $this->renderTemplate($templatePath, $data);
113	return $this->renderHtmlToPdf($html, $options);
114	}
115
116	public function renderTemplateToPdfSafely(string $templatePath, array $data = [], array $options = []): string
117	{
118	$html = $this->renderTemplate($templatePath, $data);
119	return $this->renderHtmlToPdfSafely($html, $options);
120	}
121
122	public function outputPdfDownload(string $pdfBinary, string $filename, bool $inline = false): void
123	{
124	header('Content-Type: application/pdf');
125	header('Content-Disposition: ' . ($inline ? 'inline' : 'attachment') . '; filename="' . $filename . '"');
126	header('Cache-Control: no-cache, no-store, must-revalidate');
127	header('Pragma: no-cache');
128	header('Expires: 0');
129
130	echo $pdfBinary;
131	exit;
132	}
133	}
134