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<?php |
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namespace MathieuTu\PDFLayer; |
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use GuzzleHttp\Client; |
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use Illuminate\Contracts\Config\Repository as ConfigRepository; |
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use Illuminate\Contracts\View\Factory as ViewFactory; |
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use Illuminate\Filesystem\Filesystem; |
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use Illuminate\Http\Response; |
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use Illuminate\Support\Str; |
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use MathieuTu\PDFLayer\Exceptions\PDFLayerException; |
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class PDF |
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{ |
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private $httpClient; |
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private $view; |
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private $files; |
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private $config; |
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private $params; |
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private $pdf; |
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public function __construct(Client $httpClient, ConfigRepository $config, Filesystem $files, ViewFactory $view) |
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{ |
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$this->httpClient = $httpClient; |
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$this->view = $view; |
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$this->files = $files; |
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$this->config = $this->prepareConfig($config); |
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$this->params = $this->prepareParams(); |
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} |
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/** |
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* @param \Illuminate\Contracts\Config\Repository $config |
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* |
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* @return array |
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*/ |
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private function prepareConfig(ConfigRepository $config) |
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{ |
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return $config->get('pdflayer'); |
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} |
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/** |
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* @return \Illuminate\Support\Collection |
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*/ |
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private function prepareParams() |
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{ |
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$params = collect($this->config['default_params']); |
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if ($this->config['sandbox']) { |
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$params['test'] = 1; |
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} |
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return $params; |
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} |
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/** |
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* Load HTML and encoding from an URL. |
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* |
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* @param $url |
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* |
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* @return $this |
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*/ |
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public function loadUrl($url) |
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{ |
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$this->params['document_url'] = urlencode($url); |
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if (!empty($this->config['secret_keyword'])) { |
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$this->params['secret_key'] = md5($url . $this->config['secret_keyword']); |
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} |
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return $this; |
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} |
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/** |
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* Load a View and convert it to HTML. |
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* |
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* @param string $view |
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* @param array $data |
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* @param array $mergeData |
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* @param string $encoding |
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* |
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* @return $this |
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*/ |
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public function loadView($view, $data = [], $mergeData = [], $encoding = null) |
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{ |
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$html = $this->view->make($view, $data, $mergeData)->render(); |
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return $this->loadHTML($html, $encoding); |
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} |
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/** |
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* Load a HTML string. |
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* |
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* @param string $html |
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* @param string $encoding |
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* |
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* @return $this |
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*/ |
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public function loadHTML($html, $encoding = null) |
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{ |
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$this->params['document_html'] = $html; |
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if ($encoding) { |
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$this->params['text_encoding'] = $encoding; |
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} |
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return $this; |
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} |
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/** |
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* Load a HTML file. |
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* |
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* @param string $file |
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*/ |
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public function loadFile($file) |
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{ |
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$html = file_get_contents($file); |
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$encoding = null; |
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if (isset($http_response_header)) { |
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foreach ($http_response_header as $_header) { |
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if (preg_match("@Content-Type:\s*[\w/]+;\s*?charset=([\S]+)@i", $_header, $matches)) { |
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$encoding = strtoupper($matches[1]); |
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break; |
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} |
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} |
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} |
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$this->loadHTML($html, $encoding); |
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} |
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/** |
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* Set the paper size and orientation. |
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* |
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* @param string $layout |
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* @param string $orientation |
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* |
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* @return $this |
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*/ |
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public function setPaper($layout, $orientation = 'portrait') |
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{ |
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$this->params['page_size'] = $layout; |
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$this->params['orientation'] = $orientation; |
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return $this; |
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} |
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/** |
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* Return a response with the PDF to show in the browser. |
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* |
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* @param string $filename |
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* |
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* @throws \InvalidArgumentException |
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* |
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* @return \Illuminate\Http\Response |
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*/ |
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View Code Duplication |
public function stream($filename = 'document.pdf') |
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{ |
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$output = $this->output(); |
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return new Response($output, 200, [ |
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'Content-Type' => 'application/pdf', |
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'Content-Disposition' => 'inline; filename="' . $filename . '"', |
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]); |
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} |
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/** |
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* Output the PDF as a string. |
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* |
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* @throws \Exception |
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* |
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* @return string The rendered PDF as string |
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*/ |
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public function output() |
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{ |
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if (!$this->pdf) { |
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$this->render(); |
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} |
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return $this->pdf; |
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} |
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/** |
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* @throws \Exception |
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*/ |
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private function render() |
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{ |
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list($uri, $postParams) = $this->prepareRequest(); |
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$this->pdf = $this->doRequest($uri, $postParams); |
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} |
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/** |
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* @return array |
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*/ |
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private function prepareRequest() |
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{ |
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$uri = $this->config['endpoint'] . '?access_key=' . $this->config['access_key']; |
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$postKeys = ['document_html', 'header_html']; |
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$getParams = $this->params->except($postKeys)->toArray(); |
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$uri .= '&' . http_build_query($getParams); |
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$postParams = $this->params->diff($getParams)->toArray(); |
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return [$uri, $postParams]; |
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} |
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/** |
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* @param $uri |
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* @param $postParams |
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* |
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* @throws \RuntimeException |
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* @throws \MathieuTu\PDFLayer\Exceptions\PDFLayerException |
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* |
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* @return string |
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*/ |
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private function doRequest($uri, $postParams) |
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{ |
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$response = $this->httpClient->post($uri, [ |
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'form_params' => $postParams, |
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]); |
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$content = $response->getBody()->getContents(); |
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$error = json_decode($content); |
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if (is_object($error)) { |
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throw new PDFLayerException($error); |
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} |
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return $content; |
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} |
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/** |
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* Make the PDF downloadable by the user. |
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* |
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* @param string $filename |
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* |
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* @throws \InvalidArgumentException |
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* @throws \Exception |
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* |
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* @return \Illuminate\Http\Response |
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*/ |
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View Code Duplication |
public function download($filename = 'document.pdf') |
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{ |
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$output = $this->output(); |
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return new Response($output, 200, [ |
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'Content-Type' => 'application/pdf', |
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'Content-Disposition' => 'attachment; filename="' . $filename . '"', |
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]); |
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} |
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/** |
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* Save the PDF to a file. |
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* |
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* @param $filename |
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* |
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* @return $this |
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*/ |
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public function save($filename) |
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{ |
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$this->files->put($filename, $this->output()); |
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return $this; |
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} |
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/** |
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* @param $name |
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* @param $arguments |
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* |
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* @throws \InvalidArgumentException |
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* @throws \BadMethodCallException |
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* |
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* @return $this |
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*/ |
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public function __call($name, $arguments) |
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{ |
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if (Str::startsWith($name, 'set')) { |
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$propertyCamel = Str::substr($name, Str::length('set')); |
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$property = Str::snake($propertyCamel); |
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$this->params[$property] = $arguments[0]; |
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return $this; |
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} |
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throw new \BadMethodCallException('Call to undefined method ' . static::class . '::' . $name . '()'); |
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} |
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/** |
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* @param $name |
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* @param $value |
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* |
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* @return mixed |
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*/ |
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public function __set($name, $value) |
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{ |
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return $this->params[$name] = $value; |
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} |
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/** |
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* Add some parameters. |
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* |
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* @param array $params |
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* |
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* @return $this |
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*/ |
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public function addParams(array $params) |
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{ |
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return $this->setParams($params); |
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} |
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/** |
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* Add/Replace some parameters. |
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* |
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* @param array $params |
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* @param bool $replace |
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* |
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* @return $this |
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*/ |
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public function setParams(array $params, $replace = false) |
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{ |
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if ($replace) { |
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$this->params = collect($params); |
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} else { |
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$this->params = $this->params->merge($params); |
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} |
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return $this; |
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} |
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/** |
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* Replace some parameters. |
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* |
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* @param array $params |
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* |
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* @return $this |
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*/ |
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public function replaceParams(array $params) |
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{ |
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return $this->setParams($params, true); |
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} |
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/** |
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* See all the current parameters. |
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* |
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* @return array |
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*/ |
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public function seeParams() |
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{ |
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return $this->params->toArray(); |
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} |
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/** |
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* See the arguments which will be sent during the request. |
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* |
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* @param string $key |
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* |
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* @return array |
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*/ |
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8 |
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public function seeRequestArgs($key = null) |
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{ |
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list($uri, $postParams) = $this->prepareRequest(); |
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if ($key) { |
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return ${$key}; |
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} |
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return compact('uri', 'postParams'); |
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} |
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} |
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In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
string
values, the empty string''
is a special case, in particular the following results might be unexpected: