mirror of
https://github.com/werkraum-media/events.git
synced 2024-11-22 14:36:10 +01:00
Daniel Siepmann
7db61a189a
https://ogp.me/ is used by some platforms, especially social media, to generate previews of shared links. The extension now delivers default open-graph tags for better user experience. Twitter uses its own way which is also supported.
89 lines
2.9 KiB
PHP
89 lines
2.9 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* Copyright (C) 2023 Daniel Siepmann <coding@daniel-siepmann.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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namespace WerkraumMedia\Events\Frontend\MetaInformation;
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use TYPO3\CMS\Core\MetaTag\GenericMetaTagManager;
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use TYPO3\CMS\Core\MetaTag\MetaTagManagerRegistry;
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use WerkraumMedia\Events\Domain\Model\Date;
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use WerkraumMedia\Events\Frontend\PageTitleProvider\DateTitleProviderInterface;
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/**
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* TYPO3 has many different APIs to set meta information like: Page Title, Meta Tags, OpenGraph Tags, etc.
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* Those are combined here for Date detail view.
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* That way there is a single place to connect the details to TYPO3 APIs.
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*/
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final class DateMetaInformationService implements DateMetaInformationInterface
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{
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public function __construct(
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private readonly MetaTagManagerRegistry $metaTagManagerRegistry,
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private readonly EventMetaInformationService $eventService,
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private readonly DateTitleProviderInterface $titleProvider
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) {
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}
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public function setDate(Date $date): void
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{
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$event = $date->getEvent();
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if ($event === null) {
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return;
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}
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// A date mostly sets info based on event, re use existing features.
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$this->eventService->setEvent($event);
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// Now set date specifics.
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$this->titleProvider->setDate($date);
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$this->updateTitles();
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}
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private function updateTitles(): void
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{
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$title = $this->titleProvider->getTitle();
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if ($title === '') {
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return;
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}
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$this->updateOpenGraphTitle($title);
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$this->updateTwitterTitle($title);
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}
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private function updateOpenGraphTitle(string $title): void
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{
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$manager = $this->metaTagManagerRegistry->getManagerForProperty('og:title');
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if ($manager instanceof GenericMetaTagManager) {
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return;
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}
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$manager->removeProperty('og:title');
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$manager->addProperty('og:title', $title);
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}
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private function updateTwitterTitle(string $title): void
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{
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$manager = $this->metaTagManagerRegistry->getManagerForProperty('twitter:title');
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$manager->removeProperty('twitter:title');
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$manager->addProperty('twitter:title', $title);
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}
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}
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