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<?php |
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namespace Sfneal\ViewExport\Support; |
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use Dompdf\Exception; |
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use Illuminate\Support\Facades\Bus; |
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use Sfneal\Queueables\AbstractJob; |
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abstract class Renderer extends AbstractJob |
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{ |
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/** |
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* @var string PDF content (either a rendered View or HTML string) |
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*/ |
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protected $content; |
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/** |
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* @var string|null AWS S3 path to upload PDF to after render (if provided) |
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*/ |
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protected $uploadPath; |
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/** |
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* Renderer constructor. |
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* |
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* - $content can be a View or HTML file contents |
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* |
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* @param string $content |
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* @param string|null $uploadPath |
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*/ |
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public function __construct(string $content, string $uploadPath = null) |
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{ |
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// Content of the PDF |
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$this->content = $content; |
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// Upload PDF after rendering (defaults to false) |
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$this->uploadPath = $uploadPath; |
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} |
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/** |
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* Render the content to a exportable object. |
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* |
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* @throws Exception |
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* @return object |
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*/ |
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abstract protected function render(): object; |
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/** |
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* Retrieve in an Exporter instance created from the $exportable. |
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* |
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* @param $exportable |
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* @return Exporter |
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*/ |
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abstract protected function exporter($exportable): Exporter; |
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/** |
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* Dispatch this renderer instance to the Job queue without having to construct it statically. |
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* |
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* @return mixed |
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*/ |
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public function handleJob() |
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{ |
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return Bus::dispatch($this); |
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} |
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/** |
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* Load renderable content to an Exporter instance and render the output. |
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* |
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* - storing output in a property avoids potentially calling expensive 'output()' method multiple times |
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* |
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* @return Exporter |
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* @throws Exception |
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*/ |
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public function handle(): Exporter |
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{ |
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// Render the PDF |
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$exportable = $this->render(); |
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// Instantiate the Exporter |
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return $this->export($exportable); |
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} |
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/** |
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* Create & return an Exporter instance. |
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* |
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* @param $exportable |
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* @return Exporter |
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*/ |
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private function export($exportable): Exporter |
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{ |
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// Initialize the PdfExporter |
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$exporter = $this->exporter($exportable); |
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// Upload after rendering if an upload path was provided |
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if ($this->uploadPath) { |
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$exporter->upload($this->uploadPath); |
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} |
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// Return a PdfExporter |
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return $exporter; |
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} |
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} |
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sfneal /
view-export
