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var/www/phalcon/app/helpers/_[ Not.Writable ]

File://var/www/phalcon/app/helpers/Exportador.php

<?php

namespace App\Helpers;

use PhpOffice\PhpSpreadsheet\Cell\DataType;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;

class Exportador {
    
    public static function gerarSaida($formato, $results)
    {
        switch($formato) {
            case 'csv':
                self::gerarCSV($results);
            break;
            case 'html':
                self::gerarHTML($results);
            break;
            case 'xlsx':
                self::gerarExcel($results);
            break;
            default:
                throw new \InvalidArgumentException("Formato inválido");
        }
    }

    private static function gerarHTML($result) 
    {
        $html = '<style type="text/css">';
        $html .= '* { font-family: Tahoma, Arial, Verdana; font-size: 12px; }';
        $html .= 'td, th { padding: 5px; border: 1px solid #CCC; }';
        $html .= 'table { border-spacing: 0px; border-collapse: collapse; }';
        $html .= '</style>';
        $html .= '<table>';

        foreach($result->toArray() as $index => $row) {

            if ($index == 0) {
                $html .= '<tr>';
                foreach(array_keys($row) as $key) {
                    $html .= '<th>' . $key . '</th>';
                }
                $html .= '</tr>';
            }

            $html .= '<tr><td>' . implode("</td><td>", $row) . '</td></tr>'; 
        }

        $html .= '</table>';

        $time = date("Ymd-His");
        $filename = "relatorio-{$time}.html";

        echo $html;
    }

    private static function gerarExcel($result) 
    {
        $spreadsheet = new Spreadsheet();
        $sheet = $spreadsheet->getActiveSheet();

        foreach($result->toArray() as $index => $row) {
            if ($index == 0) {
                $column = 1;
                foreach($row as $key => $value) {
                    $sheet->setCellValueByColumnAndRow($column++, $index+1, $key);
                }
            }
            $column = 1;
            foreach($row as $key => $value) {
                if (preg_match('@valor@i', $key)) {
                    $sheet->setCellValueExplicitByColumnAndRow($column, $index+2, $value, DataType::TYPE_NUMERIC);
                    $sheet->getStyleByColumnAndRow($column, $index+2)->getNumberFormat()
                        ->setFormatCode('#,##0.00');
                } else {
                    $sheet->setCellValueByColumnAndRow($column, $index+2, $value);
                }
                if(strpos($value, "\n") !== false) {
                    $sheet->getStyleByColumnAndRow($column, $index+2)->getAlignment()->setWrapText(true);
                }
                $column++;
            }
        }

        $time = date("Ymd-His");
        $filename = "relatorio-{$time}.xlsx";

        header('Content-Type: application/vnd.oasis.opendocument.spreadsheet');
        header('Content-Disposition: attachment;filename="' . $filename . '"');
        header('Cache-Control: max-age=0');
        header('Cache-Control: max-age=1');
        header('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past
        header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT'); // always modified
        header('Cache-Control: cache, must-revalidate'); // HTTP/1.1
        header('Pragma: public'); // HTTP/1.0

        $writer = new Xlsx($spreadsheet);
        $writer->save("php://output");
        
        return;
    }

    private static function gerarCSV($result) 
    {
        $csv = '';
        foreach($result->toArray() as $index => $row) {
            if ($index == 0) {
                $csv .= implode(";", array_keys($row)) . "\r\n";
            }
            $csv .= implode(";", array_map(function($val) {
                return '"' . str_replace('"', '""', utf8_decode($val)) . '"';
            }, array_values($row))) . "\r\n";
        }

        $time = date("Ymd-His");
        $filename = "relatorio-{$time}.csv";

        header('Content-Type: application/vnd.oasis.opendocument.spreadsheet');
        header('Content-Disposition: attachment;filename="' . $filename . '"');
        header('Cache-Control: max-age=0');
        header('Cache-Control: max-age=1');
        header('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past
        header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT'); // always modified
        header('Cache-Control: cache, must-revalidate'); // HTTP/1.1
        header('Pragma: public'); // HTTP/1.0

        echo $csv;
    }

}

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