Sending a PDF Via Email in Silverstripe

SendPdfViaEmail.php

<?php

namespace Sunnysideup\Web\Tasks;

use DirectoryIterator;
use SilverStripe\Control\Director;
use SilverStripe\Control\Email\Email;
use SilverStripe\Dev\BuildTask;

class SendPdfViaEmail extends BuildTask
{
    private static $segment = 'pdf-export';

    public function run($request)
    {
        // Remove old zip file(s)
        $dir = new DirectoryIterator(BASE_PATH . '/tmp');
        foreach ($dir as $fileinfo) {
            if (stripos($fileinfo->getPathname(), 'zip')) {
                unlink($fileinfo->getPathname());
            }
        }

        // create files here
      
        // Add all files to zip
        $zip = new \ZipArchive();
        $fileName = BASE_PATH . '/tmp/' . date('Y-m-d') . '.zip';
        $zip->open($fileName, \ZipArchive::CREATE);
        $dir = new DirectoryIterator(BASE_PATH . '/mydata');
        foreach ($dir as $fileinfo) {
            if (!is_dir($fileinfo->getPathname())) {
                $zip->addFile($fileinfo->getPathname(), $fileinfo->getFilename());
            }
        }

        $zip->close();
        if (Director::isDev()) {
            rename($fileName, BASE_PATH . '/mydata/data.zip');
        } else {
            // Send the zip via email
            $mail = Email::create();
            $mail->setFrom('sender@sunnysideup.co.nz.com');
            $mail->setSubject('Data for ' . date('Y-m-d'));
            $mail->setTo('receiver@sunnysideup.co.nz.com');
            $mail->addAttachment($fileName);
            $mail->setBody('Please see attached the latest exports');
            $mail->send();
        }

        exit;
    }
}