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<?php
namespace Barryvdh\DomPDF;
use Dompdf\Adapter\CPDF;
use Dompdf\Dompdf;
use Dompdf\Options;
use Exception;
use Illuminate\Filesystem\Filesystem;
use Illuminate\Contracts\View\Factory as ViewFactory;
use Illuminate\Contracts\Config\Repository as ConfigRepository;
use Illuminate\Http\Response;
use Illuminate\Support\Facades\Storage;
/**
* A Laravel wrapper for Dompdf
*
* @package laravel-dompdf
* @author Barry vd. Heuvel
*
* @mixin \Dompdf\Dompdf
*/
class PDF
{
/** @var Dompdf */
protected $dompdf;
/** @var \Illuminate\Contracts\Config\Repository */
protected $config;
/** @var \Illuminate\Filesystem\Filesystem */
protected $files;
/** @var \Illuminate\Contracts\View\Factory */
protected $view;
/** @var bool */
protected $rendered = false;
/** @var bool */
protected $showWarnings;
/** @var string */
protected $public_path;
/**
* @param Dompdf $dompdf
* @param \Illuminate\Contracts\Config\Repository $config
* @param \Illuminate\Filesystem\Filesystem $files
* @param \Illuminate\Contracts\View\Factory $view
*/
public function __construct(Dompdf $dompdf, ConfigRepository $config, Filesystem $files, ViewFactory $view)
{
$this->dompdf = $dompdf;
$this->config = $config;
$this->files = $files;
$this->view = $view;
$this->showWarnings = $this->config->get('dompdf.show_warnings', false);
}
/**
* Get the DomPDF instance
*
* @return Dompdf
*/
public function getDomPDF(): Dompdf
{
return $this->dompdf;
}
/**
* Show or hide warnings
*/
public function setWarnings(bool $warnings): self
{
$this->showWarnings = $warnings;
return $this;
}
/**
* Load a HTML string
*
* @param string|null $encoding Not used yet
*/
public function loadHTML(string $string, ?string $encoding = null): self
{
$string = $this->convertEntities($string);
$this->dompdf->loadHtml($string, $encoding);
$this->rendered = false;
return $this;
}
/**
* Load a HTML file
*/
public function loadFile(string $file): self
{
$this->dompdf->loadHtmlFile($file);
$this->rendered = false;
return $this;
}
/**
* Add metadata info
* @param array<string, string> $info
* @return static
*/
public function addInfo(array $info): self
{
foreach ($info as $name => $value) {
$this->dompdf->add_info($name, $value);
}
return $this;
}
/**
* Load a View and convert to HTML
* @param array<string, mixed> $data
* @param array<string, mixed> $mergeData
* @param string|null $encoding Not used yet
*/
public function loadView(string $view, array $data = [], array $mergeData = [], ?string $encoding = null): self
{
$html = $this->view->make($view, $data, $mergeData)->render();
return $this->loadHTML($html, $encoding);
}
/**
* Set/Change an option (or array of options) in Dompdf
*
* @param array<string, mixed>|string $attribute
* @param null|mixed $value
* @return $this
*/
public function setOption($attribute, $value = null): self
{
$this->dompdf->getOptions()->set($attribute, $value);
return $this;
}
/**
* Replace all the Options from DomPDF
*
* @deprecated Use setOption to override individual options.
* @param array<string, mixed> $options
*/
public function setOptions(array $options): self
{
$options = new Options($options);
$this->dompdf->setOptions($options);
return $this;
}
/**
* Output the PDF as a string.
*
* The options parameter controls the output. Accepted options are:
*
* 'compress' = > 1 or 0 - apply content stream compression, this is
* on (1) by default
*
* @param array<string, int> $options
*
* @return string The rendered PDF as string
*/
public function output(array $options = []): string
{
if (!$this->rendered) {
$this->render();
}
return (string) $this->dompdf->output($options);
}
/**
* Save the PDF to a file
*/
public function save(string $filename, string $disk = null): self
{
$disk = $disk ?: $this->config->get('dompdf.disk');
if (! is_null($disk)) {
Storage::disk($disk)->put($filename, $this->output());
return $this;
}
$this->files->put($filename, $this->output());
return $this;
}
/**
* Make the PDF downloadable by the user
*/
public function download(string $filename = 'document.pdf'): Response
{
$output = $this->output();
return new Response($output, 200, [
'Content-Type' => 'application/pdf',
'Content-Disposition' => 'attachment; filename="' . $filename . '"',
'Content-Length' => strlen($output),
]);
}
/**
* Return a response with the PDF to show in the browser
*/
public function stream(string $filename = 'document.pdf'): Response
{
$output = $this->output();
return new Response($output, 200, [
'Content-Type' => 'application/pdf',
'Content-Disposition' => 'inline; filename="' . $filename . '"',
]);
}
/**
* Render the PDF
*/
public function render(): void
{
$this->dompdf->render();
if ($this->showWarnings) {
global $_dompdf_warnings;
if (!empty($_dompdf_warnings) && count($_dompdf_warnings)) {
$warnings = '';
foreach ($_dompdf_warnings as $msg) {
$warnings .= $msg . "\n";
}
// $warnings .= $this->dompdf->get_canvas()->get_cpdf()->messages;
if (!empty($warnings)) {
throw new Exception($warnings);
}
}
}
$this->rendered = true;
}
/** @param array<string> $pc */
public function setEncryption(string $password, string $ownerpassword = '', array $pc = []): void
{
$this->render();
$canvas = $this->dompdf->getCanvas();
if (! $canvas instanceof CPDF) {
throw new \RuntimeException('Encryption is only supported when using CPDF');
}
$canvas->get_cpdf()->setEncryption($password, $ownerpassword, $pc);
}
protected function convertEntities(string $subject): string
{
if (false === $this->config->get('dompdf.convert_entities', true)) {
return $subject;
}
$entities = [
'€' => '€',
'£' => '£',
];
foreach ($entities as $search => $replace) {
$subject = str_replace($search, $replace, $subject);
}
return $subject;
}
/**
* Dynamically handle calls into the dompdf instance.
*
* @param string $method
* @param array<mixed> $parameters
* @return $this|mixed
*/
public function __call($method, $parameters)
{
if (method_exists($this, $method)) {
return $this->$method(...$parameters);
}
if (method_exists($this->dompdf, $method)) {
$return = $this->dompdf->$method(...$parameters);
return $return == $this->dompdf ? $this : $return;
}
throw new \UnexpectedValueException("Method [{$method}] does not exist on PDF instance.");
}
}
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