FluidEmail.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Core\Mail;
 
use Psr\Http\Message\ServerRequestInterface;
use Symfony\Component\Mime\Email;
use Symfony\Component\Mime\Header\Headers;
use Symfony\Component\Mime\Part\AbstractPart;
use ‪TYPO3\CMS\Core\Http\NormalizedParams;
use ‪TYPO3\CMS\Core\Information\Typo3Information;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Fluid\View\StandaloneView;
use ‪TYPO3\CMS\Fluid\View\TemplatePaths;
use TYPO3Fluid\Fluid\Core\ViewHelper\ViewHelperVariableContainer;
 
class ‪FluidEmail extends Email
{
    public const ‪FORMAT_HTML = 'html';
    public const ‪FORMAT_PLAIN = 'plain';
    public const ‪FORMAT_BOTH = 'both';
 
    protected ‪$format = ['html', 'plain'];
 
    protected ‪$templateName = 'Default';
 
    protected ‪$view;
 
    public function ‪__construct(‪TemplatePaths $templatePaths = null, Headers $headers = null, AbstractPart $body = null)
    {
        parent::__construct($headers, $body);
        $this->‪initializeView($templatePaths);
    }
 
    protected function ‪initializeView(‪TemplatePaths $templatePaths = null): void
    {
        $templatePaths = $templatePaths ?? new ‪TemplatePaths(‪$GLOBALS['TYPO3_CONF_VARS']['MAIL']);
        $this->view = GeneralUtility::makeInstance(StandaloneView::class);
        $this->view->getRenderingContext()->setTemplatePaths($templatePaths);
        $this->view->assignMultiple($this->‪getDefaultVariables());
        $this->‪format(‪$GLOBALS['TYPO3_CONF_VARS']['MAIL']['format'] ?? self::FORMAT_BOTH);
    }
 
    public function ‪format(string ‪$format)
    {
        switch (‪$format) {
            case ‪self::FORMAT_BOTH:
                $this->‪format = [‪self::FORMAT_HTML, ‪self::FORMAT_PLAIN];
                break;
            case ‪self::FORMAT_HTML:
                $this->‪format = [‪self::FORMAT_HTML];
                break;
            case ‪self::FORMAT_PLAIN:
                $this->‪format = [‪self::FORMAT_PLAIN];
                break;
            default:
                throw new \InvalidArgumentException('Setting FluidEmail->format() must be either "html", "plain" or "both", no other formats are currently supported', 1580743847);
        }
        return $this;
    }
 
    public function ‪setTemplate(string ‪$templateName)
    {
        $this->templateName = ‪$templateName;
        return $this;
    }
 
    public function ‪assign($key, $value)
    {
        $this->view->assign($key, $value);
        return $this;
    }
 
    public function ‪assignMultiple(array $values)
    {
        $this->view->assignMultiple($values);
        return $this;
    }
 
    /*
     * Shorthand setters
     */
    public function ‪setRequest(ServerRequestInterface $request): self
    {
        $this->view->assign('request', $request);
        if ($request->getAttribute('normalizedParams') instanceof ‪NormalizedParams) {
            $this->view->assign('normalizedParams', $request->getAttribute('normalizedParams'));
        } else {
            $this->view->assign('normalizedParams', ‪NormalizedParams::createFromServerParams($_SERVER));
        }
        return $this;
    }
 
    protected function ‪getDefaultVariables(): array
    {
        return [
            'typo3' => [
                'sitename' => ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename'],
                'formats' => [
                    'date' => ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['ddmmyy'],
                    'time' => ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['hhmm']
                ],
                'systemConfiguration' => ‪$GLOBALS['TYPO3_CONF_VARS']['EXTENSIONS'],
                'information' => GeneralUtility::makeInstance(Typo3Information::class),
            ]
        ];
    }
 
    public function ‪ensureValidity()
    {
        $this->‪generateTemplatedBody();
        parent::ensureValidity();
    }
 
    public function ‪getBody(): AbstractPart
    {
        $this->‪generateTemplatedBody();
        return parent::getBody();
    }
 
    public function ‪getViewHelperVariableContainer(): ViewHelperVariableContainer
    {
        return $this->view->getRenderingContext()->getViewHelperVariableContainer();
    }
 
    protected function ‪generateTemplatedBody(): void
    {
        if (!$this->view) {
            $this->‪initializeView();
        }
        if (in_array(static::FORMAT_HTML, $this->‪format, true)) {
            $this->html($this->‪renderContent('html'));
        }
        if (in_array(static::FORMAT_PLAIN, $this->‪format, true)) {
            $this->text(trim($this->‪renderContent('txt')));
        }
 
        $subjectFromTemplate = $this->view->renderSection(
            'Subject',
            $this->view->getRenderingContext()->getVariableProvider()->getAll(),
            true
        );
        if (!empty($subjectFromTemplate)) {
            $this->subject($subjectFromTemplate);
        }
    }
 
    protected function ‪renderContent(string ‪$format): string
    {
        $this->view->setFormat(‪$format);
        $this->view->setTemplate($this->templateName);
        return $this->view->render();
    }
}