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✏️ Editing: PDF_Signature.php

<?php

defined('BASEPATH') or exit('No direct script access allowed');

/**
 * @mixin TCPDF
 */
trait PDF_Signature
{
    public function processSignature()
    {
        return $this->process_signature();
    }

public function process_signature()
    {
        $dimensions       = $this->getPageDimensions();
        $leftColumnExists = false;
        $lineBreaksBefore = hooks()->apply_filters('pdf_signature_line_breaks_before', 1);
        $companySignature = $this->getCompanySignature($lineBreaksBefore);

$this->Ln(10);

if ($companySignature) {
            $companySignatureHtml = '<div nobr="true">' . _l('authorized_signature_text') . ' ' . $companySignature . '</div>';

$this->MultiCell(($dimensions['wk'] / 2) - $dimensions['lm'], 0, $companySignatureHtml, 0, 'J', 0, 0, '', '', true, 0, true, true, 0);

$leftColumnExists = true;
        }

// Customer signature
        $record = $this->getSignatureableInstance();
        $path   = $this->getSignaturePath();

if (! empty($path) && file_exists($path)) {
            $signature = _l('document_customer_signature_text');

if ($this->type() == 'contract') {
                $signature .= '<br /><br /><span style="font-weight:bold;text-align: right;">';
                $signature .= _l('contract_signed_by') . ": {$record->acceptance_firstname} {$record->acceptance_lastname}<br />";
                $signature .= _l('contract_signed_date') . ': ' . _dt($record->acceptance_date) . '<br />';
                $signature .= _l('contract_signed_ip') . ": {$record->acceptance_ip}";
                $signature .= '</span><br />';
            }

if ($this->type() == 'proposal' || $this->type() == 'estimate') {
                $signature .= '<br /><br /><span style="font-weight:bold;text-align: right;">';
                $signature .= _l('proposal_signed_by') . ": {$record->acceptance_firstname} {$record->acceptance_lastname}<br />";
                $signature .= _l('proposal_signed_date') . ': ' . _dt($record->acceptance_date) . '<br />';
                $signature .= _l('proposal_signed_ip') . ": {$record->acceptance_ip}";
                $signature .= '</span><br />';
            }

$signature .= str_repeat(
                '<br />',
                hooks()->apply_filters('pdf_signature_break_lines', 1)
            );

$width = ($dimensions['wk'] / 2) - $dimensions['rm'];

if (! $leftColumnExists) {
                $width = $dimensions['wk'] - ($dimensions['rm'] + $dimensions['lm']);
            }

$hookData = [
                'pdf_instance'       => $this,
                'type'               => $this->type(),
                'signatureCellWidth' => $width,
            ];

hooks()->do_action('before_customer_pdf_signature', $hookData);

$customerSignatureSize = hooks()->apply_filters('customer_pdf_signature_size', 0);
            if (is_int($customerSignatureSize) && $customerSignatureSize > 0) {
                $customerSignatureSize = $customerSignatureSize . 'px';
            }

$imageData = base64_encode(file_get_contents($path));
            $signature .= str_repeat('<br />', $lineBreaksBefore) . '<img src="@' . $imageData . '" width="' . $customerSignatureSize . '" />';

$this->MultiCell($width, 0, '<div nobr="true">' . $signature . '</div>', 0, 'R', 0, 1, '', '', true, 0, true, false, 0);

hooks()->do_action('after_customer_pdf_signature', $hookData);
        }
    }

public function getCompanySignature($lineBreaksBefore = 1)
    {
        if (($this->type() == 'invoice' && get_option('show_pdf_signature_invoice') == 1)
        || ($this->type() == 'estimate' && get_option('show_pdf_signature_estimate') == 1)
        || ($this->type() == 'contract' && get_option('show_pdf_signature_contract') == 1)
        || ($this->type() == 'proposal' && get_option('show_pdf_signature_proposal') == 1)
        || ($this->type() == 'credit_note') && get_option('show_pdf_signature_credit_note') == 1) {
            $signatureImage = get_option('signature_image');

$signaturePath   = FCPATH . 'uploads/company/' . $signatureImage;
            $signatureExists = file_exists($signaturePath);

$blankSignatureLine = hooks()->apply_filters('blank_signature_line', '_________________________');

if ($signatureImage != '' && $signatureExists) {
                $blankSignatureLine = '';
            }

// $this->ln(13);

if ($signatureImage != '' && $signatureExists) {
                $imageData = base64_encode(file_get_contents($signaturePath));
                $blankSignatureLine .= str_repeat('<br />', $lineBreaksBefore) . '<img src="@' . $imageData . '" />';
            }

return $blankSignatureLine;
        }

return false;
    }

public function getSignaturePath()
    {
        $instance = $this->getSignatureableInstance();

if (! $instance) {
            return '';
        }

$path = get_upload_path_by_type($this->type()) . $instance->id . '/' . $instance->signature;

return hooks()->apply_filters(
            'pdf_customer_signature_image_path',
            $path,
            $this->type()
        );
    }

public function getSignatureableInstance()
    {
        if (isset($GLOBALS['estimate_pdf']) && ! empty($GLOBALS['estimate_pdf']->signature)) {
            return $GLOBALS['estimate_pdf'];
        }
        if (isset($GLOBALS['proposal_pdf']) && ! empty($GLOBALS['proposal_pdf']->signature)) {
            return $GLOBALS['proposal_pdf'];
        }
        if (isset($GLOBALS['contract_pdf']) && ! empty($GLOBALS['contract_pdf']->signature)) {
            return $GLOBALS['contract_pdf'];
        }
    }

public function hasAnySignature()
    {
        return $this->getSignaturePath() || $this->getCompanySignature();
    }
}

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