106 lines
3.5 KiB
PHP
106 lines
3.5 KiB
PHP
<?php
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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namespace TYPO3\CMS\Backend\Backend\Avatar;
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use TYPO3\CMS\Backend\Attribute\AsAvatarProvider;
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use TYPO3\CMS\Core\Database\Connection;
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use TYPO3\CMS\Core\Database\ConnectionPool;
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use TYPO3\CMS\Core\Resource\Exception\FileDoesNotExistException;
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use TYPO3\CMS\Core\Resource\ProcessedFile;
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use TYPO3\CMS\Core\Resource\ResourceFactory;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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* Avatar Provider used for rendering avatars based on local files (based on FAL), stored in the be_users.avatar
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* relation field with sys_file_reference.
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*/
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#[AsAvatarProvider('defaultAvatarProvider')]
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class DefaultAvatarProvider implements AvatarProviderInterface
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{
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/**
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* Return an Image object for rendering the avatar, based on a FAL-based file
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*
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* @param array $backendUser be_users record
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* @param int $size
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* @return Image|null
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*/
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public function getImage(array $backendUser, $size)
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{
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$fileUid = $this->getAvatarFileUid($backendUser['uid']);
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if ($fileUid === 0) {
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// Early return if there is no valid image file UID
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return null;
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}
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// Get file object
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try {
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$file = GeneralUtility::makeInstance(ResourceFactory::class)->getFileObject($fileUid);
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$processedImage = $file->process(
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ProcessedFile::CONTEXT_IMAGECROPSCALEMASK,
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['width' => $size . 'c', 'height' => $size . 'c']
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);
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$publicUrl = $processedImage->getPublicUrl();
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if ($publicUrl) {
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$image = GeneralUtility::makeInstance(
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Image::class,
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$publicUrl,
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$processedImage->getProperty('width'),
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$processedImage->getProperty('height')
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);
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} else {
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$image = null;
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}
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} catch (FileDoesNotExistException $e) {
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// No image found
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$image = null;
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}
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return $image;
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}
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/**
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* Get the sys_file UID of the avatar of the given backend user ID
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*
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* @param int $backendUserId the UID of the be_users record
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* @return int the sys_file UID or 0 if none found
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*/
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protected function getAvatarFileUid($backendUserId)
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{
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$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('sys_file_reference');
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$fileUid = $queryBuilder
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->select('uid_local')
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->from('sys_file_reference')
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->where(
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$queryBuilder->expr()->eq(
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'tablenames',
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$queryBuilder->createNamedParameter('be_users')
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),
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$queryBuilder->expr()->eq(
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'fieldname',
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$queryBuilder->createNamedParameter('avatar')
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),
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$queryBuilder->expr()->eq(
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'uid_foreign',
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$queryBuilder->createNamedParameter((int)$backendUserId, Connection::PARAM_INT)
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)
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)
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->executeQuery()
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->fetchOne();
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return (int)$fileUid;
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}
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}
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