invoiceninja/app/Services/Pdf/PdfService.php

<?php
/**
 * Invoice Ninja (https://invoiceninja.com).
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2022. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://www.elastic.co/licensing/elastic-license
 */

namespace App\Services\Pdf;

use App\Models\Account;
use App\Models\Company;
use App\Services\Pdf\PdfConfiguration;
use App\Utils\HostedPDF\NinjaPdf;
use App\Utils\HtmlEngine;
use App\Utils\PhantomJS\Phantom;
use App\Utils\Traits\Pdf\PageNumbering;
use App\Utils\Traits\Pdf\PdfMaker;

class PdfService
{

    use PdfMaker, PageNumbering;

    public $invitation;

    public Company $company;

    public Account $account;

    public PdfConfiguration $config;

    public PdfBuilder $builder;

    public PdfDesigner $designer;

    public array $html_variables;

    public string $document_type;

    public array $options;

    const DELIVERY_NOTE = 'delivery_note';
    const STATEMENT = 'statement';
    const PURCHASE_ORDER = 'purchase_order';
    const PRODUCT = 'product';

    public function __construct($invitation, $document_type = 'product', $options = [])
    {

        $this->invitation = $invitation;

        $this->company = $invitation->company;

        $this->account = $this->company->account;

        $this->config = (new PdfConfiguration($this))->init();

        $this->html_variables = (new HtmlEngine($invitation))->generateLabelsAndValues();

        $this->designer = (new PdfDesigner($this))->build();

        $this->document_type = $document_type;

        $this->options = $options;

        $this->builder = (new PdfBuilder($this))->build();

    }

    /**
     * Resolves the PDF generation type and
     * attempts to generate a PDF from the HTML
     * string.
     * 
     * @return mixed
     * 
     */
    public function getPdf()
    {

        try {

            if (config('ninja.phantomjs_pdf_generation') || config('ninja.pdf_generator') == 'phantom') 
            {
            
                $pdf = (new Phantom)->convertHtmlToPdf($this->getHtml());
            
            } 
            elseif (config('ninja.invoiceninja_hosted_pdf_generation') || config('ninja.pdf_generator') == 'hosted_ninja') 
            {
            
                $pdf = (new NinjaPdf())->build($this->getHtml());
            
            } 
            else 
            {
            
                $pdf = $this->makePdf(null, null, $this->getHtml());
            
            }

            $numbered_pdf = $this->pageNumbering($pdf, $this->company);

            if ($numbered_pdf) 
            {
            
                $pdf = $numbered_pdf;
            
            }


        } catch (\Exception $e) {

            nlog(print_r($e->getMessage(), 1));

            throw new \Exception($e->getMessage(), $e->getCode());

        }

        return $pdf;

    }

    /**
     * Renders the dom document to HTML
     * 
     * @return string
     * 
     */
    public function getHtml(): string
    {

        $html = $this->builder->getCompiledHTML();

        if (config('ninja.log_pdf_html')) 
        {
        
            info($html);
        
        }

        return $html;

    }

}