invoicepdf.tpl

<?php
/**
 * Adiciona boleto bancário como página adicional na fatura anexa no WHMCS
 * @author     Henrique Cruz | henriquecruz.com.br
 * @copyright  Copyright (c) 2019 https://henriquecruz.com.br
 */

$whmcs_url = rtrim(\App::getSystemUrl(),"/");
$json_url = $whmcs_url."/modules/gateways/paghiper.php?invoiceid=".$invoiceid."&uuid=".$clientsdetails['userid']."&mail=".$clientsdetails['email']."&json=1";

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $json_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

$json = curl_exec($ch);
$result = json_decode($json);

$transaction_id = (isset($result->transaction_id)) ? $result->transaction_id : '';
$pdf_url = (isset($result->bank_slip)) ? $result->bank_slip->url_slip_pdf : $result->url_slip_pdf;

if ((in_array($status, array('Unpaid', 'Payment Pending'))) && (isset($pdf_url) && !empty($pdf_url)) && (isset($transaction_id) && !empty($transaction_id))){

    $basedir = dirname(__FILE__).'/../../modules/gateways/paghiper/';

    /* Bloco inicializador do boleto */
    require_once($basedir.'inc/fpdi/fpdi.php');
    $pdf = new FPDI();

    // TODO: Implementar header e footer aqui
    $pdf->SetPrintHeader(false);
    $pdf->SetPrintFooter(false);

    $pdf->AddPage();

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $pdf_url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

    $rawdata = curl_exec($ch);

    $filename = $basedir.'tmp/'.$transaction_id.'.pdf';

    $fp = fopen($filename, 'w');
    fwrite($fp, $rawdata);
    fclose($fp);

    $pdf->setSourceFile($filename);
    $tplIdx = $pdf->importPage(1);

    $pdf->useTemplate($tplIdx, 0, 0, 210);


    /* Bloco inicializador do template comum */
    $pdf->SetPrintHeader(false);
    $pdf->SetPrintFooter(false);
    $pdf->AddPage();

} ?>