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<?php |
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namespace TarfinLabs\EasyPdf; |
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use finfo; |
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use setasign\Fpdi\Tcpdf\Fpdi; |
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use TarfinLabs\EasyPdf\Exceptions\UnableToOpen; |
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abstract class BasePdf |
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{ |
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/** |
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* @var Fpdi |
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*/ |
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protected $pdf; |
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/** |
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* @var string |
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*/ |
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protected $content; |
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/** |
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* BasePdf constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->pdf = new Fpdi(); |
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$this->pdf->setPrintHeader(false); |
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$this->pdf->setPrintFooter(false); |
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} |
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/** |
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* Check for url given path. |
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* |
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* @param $url |
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* @return bool |
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*/ |
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protected function validUrl($url) |
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{ |
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if (filter_var($url, FILTER_VALIDATE_URL)) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Check file type from string content is pdf. |
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* |
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* @param $content |
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* @return string |
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*/ |
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protected function mimeType($content) |
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{ |
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$finfo = new finfo(1040); |
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$buffer = $finfo->buffer($content); |
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if ($buffer === 'application/pdf; charset=binary') { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Set file content. |
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* |
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* @param $pdf |
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* |
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* @throws UnableToOpen |
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*/ |
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protected function setFileContent($pdf) |
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{ |
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if ($this->validUrl($pdf)) { |
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$this->content = file_get_contents($pdf); |
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} elseif ($this->mimeType($pdf)) { |
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$this->content = $pdf; |
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} elseif (file_exists($pdf)) { |
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$this->content = file_get_contents($pdf); |
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} else { |
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throw UnableToOpen::noSuchFile($pdf); |
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} |
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} |
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/** |
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* Render pdf content. |
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* |
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* @return mixed |
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*/ |
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abstract public function render(); |
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/** |
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* Save to a local server file with the name given by name. |
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* |
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* @param string $filename |
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* @return string |
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*/ |
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public function save(string $filename) |
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{ |
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$this->render(); |
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return $this->pdf->Output($filename, 'F'); |
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} |
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/** |
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* Send the Pdf inline to the browser. |
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* |
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* @return string |
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*/ |
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public function stream() |
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{ |
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$this->render(); |
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return $this->pdf->Output('doc.pdf', 'I'); |
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} |
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/** |
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* Return the pdf as a string. |
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* |
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* @return string |
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*/ |
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public function content() |
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{ |
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$this->render(); |
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return $this->pdf->Output('doc.pdf', 'S'); |
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} |
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} |
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tarfin-labs /
easy-pdf
