TYPO3 v15 dev-main snapshot ()
This commit is contained in:
@@ -0,0 +1,297 @@
|
||||
<?php
|
||||
|
||||
/*
|
||||
* 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\Messaging;
|
||||
|
||||
use TYPO3\CMS\Core\Authentication\AbstractUserAuthentication;
|
||||
use TYPO3\CMS\Core\Exception;
|
||||
use TYPO3\CMS\Core\Messaging\Renderer\FlashMessageRendererInterface;
|
||||
use TYPO3\CMS\Core\Type\ContextualFeedbackSeverity;
|
||||
use TYPO3\CMS\Core\Utility\GeneralUtility;
|
||||
use TYPO3\CMS\Frontend\Authentication\FrontendUserAuthentication;
|
||||
|
||||
/**
|
||||
* A class which collects and renders flash messages.
|
||||
*/
|
||||
class FlashMessageQueue extends \SplQueue implements \JsonSerializable
|
||||
{
|
||||
public const FLASHMESSAGE_QUEUE = 'core.template.flashMessages';
|
||||
public const NOTIFICATION_QUEUE = 'core.template.notifications';
|
||||
|
||||
/**
|
||||
* A unique identifier for this queue
|
||||
*
|
||||
* @var string
|
||||
*/
|
||||
protected $identifier;
|
||||
|
||||
/**
|
||||
* @param string $identifier The unique identifier for this queue
|
||||
*/
|
||||
public function __construct($identifier)
|
||||
{
|
||||
$this->identifier = $identifier;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return string
|
||||
*/
|
||||
public function getIdentifier()
|
||||
{
|
||||
return $this->identifier;
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds a message either to the BE_USER session (if the $message has the storeInSession flag set)
|
||||
* or it enqueues the message.
|
||||
*
|
||||
* @param FlashMessage $message Instance of \TYPO3\CMS\Core\Messaging\FlashMessage, representing a message
|
||||
* @throws \TYPO3\CMS\Core\Exception
|
||||
*/
|
||||
public function enqueue($message): void
|
||||
{
|
||||
if (!($message instanceof FlashMessage)) {
|
||||
throw new Exception(
|
||||
'FlashMessageQueue::enqueue() expects an object of type \TYPO3\CMS\Core\Messaging\FlashMessage but got type "' . get_debug_type($message) . '"',
|
||||
1376833554
|
||||
);
|
||||
}
|
||||
if ($message->isSessionMessage()) {
|
||||
$this->addFlashMessageToSession($message);
|
||||
} else {
|
||||
parent::enqueue($message);
|
||||
}
|
||||
}
|
||||
|
||||
public function addMessage(FlashMessage ...$messages)
|
||||
{
|
||||
foreach ($messages as $message) {
|
||||
$this->enqueue($message);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* This method is empty, as it will not move any flash message (e.g. from the session)
|
||||
*
|
||||
* @phpstan-return null
|
||||
*/
|
||||
public function dequeue(): mixed
|
||||
{
|
||||
// deliberately empty
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds the given flash message to the array of
|
||||
* flash messages that will be stored in the session.
|
||||
*/
|
||||
protected function addFlashMessageToSession(FlashMessage $message)
|
||||
{
|
||||
$queuedFlashMessages = $this->getFlashMessagesFromSession();
|
||||
$queuedFlashMessages[] = $message;
|
||||
$this->storeFlashMessagesInSession($queuedFlashMessages);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns all messages from the current PHP session and from the current request.
|
||||
*
|
||||
* @param ContextualFeedbackSeverity|null $severity
|
||||
* @return FlashMessage[]
|
||||
*/
|
||||
public function getAllMessages(?ContextualFeedbackSeverity $severity = null)
|
||||
{
|
||||
// Get messages from user session
|
||||
$queuedFlashMessagesFromSession = $this->getFlashMessagesFromSession();
|
||||
$queuedFlashMessages = array_merge($queuedFlashMessagesFromSession, $this->toArray());
|
||||
if ($severity !== null) {
|
||||
$filteredFlashMessages = [];
|
||||
foreach ($queuedFlashMessages as $message) {
|
||||
if ($message->getSeverity() === $severity) {
|
||||
$filteredFlashMessages[] = $message;
|
||||
}
|
||||
}
|
||||
return $filteredFlashMessages;
|
||||
}
|
||||
|
||||
return $queuedFlashMessages;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns all messages from the current PHP session and from the current request.
|
||||
* After fetching the messages the internal queue and the message queue in the session
|
||||
* will be emptied.
|
||||
*
|
||||
* @param ContextualFeedbackSeverity|null $severity
|
||||
* @return FlashMessage[]
|
||||
*/
|
||||
public function getAllMessagesAndFlush(?ContextualFeedbackSeverity $severity = null)
|
||||
{
|
||||
$queuedFlashMessages = $this->getAllMessages($severity);
|
||||
// Reset messages in user session
|
||||
$this->removeAllFlashMessagesFromSession($severity);
|
||||
// Reset internal messages
|
||||
$this->clear($severity);
|
||||
return $queuedFlashMessages;
|
||||
}
|
||||
|
||||
/**
|
||||
* Stores given flash messages in the session
|
||||
*
|
||||
* @param FlashMessage[]|null $flashMessages
|
||||
*/
|
||||
protected function storeFlashMessagesInSession(?array $flashMessages = null)
|
||||
{
|
||||
if (is_array($flashMessages)) {
|
||||
$flashMessages = array_map(json_encode(...), $flashMessages);
|
||||
}
|
||||
$user = $this->getUserByContext();
|
||||
$user?->setAndSaveSessionData($this->identifier, $flashMessages);
|
||||
}
|
||||
|
||||
/**
|
||||
* Removes all flash messages from the session
|
||||
*
|
||||
* @param ContextualFeedbackSeverity|null $severity
|
||||
*/
|
||||
protected function removeAllFlashMessagesFromSession(?ContextualFeedbackSeverity $severity = null)
|
||||
{
|
||||
if (!$this->getUserByContext() instanceof AbstractUserAuthentication) {
|
||||
return;
|
||||
}
|
||||
if ($severity === null) {
|
||||
$this->storeFlashMessagesInSession();
|
||||
} else {
|
||||
$messages = $this->getFlashMessagesFromSession();
|
||||
foreach ($messages as $index => $message) {
|
||||
if ($message->getSeverity() === $severity) {
|
||||
unset($messages[$index]);
|
||||
}
|
||||
}
|
||||
$this->storeFlashMessagesInSession($messages);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns current flash messages from the session, making sure to always
|
||||
* return an array.
|
||||
*
|
||||
* @return FlashMessage[]
|
||||
*/
|
||||
protected function getFlashMessagesFromSession(): array
|
||||
{
|
||||
$sessionMessages = [];
|
||||
$user = $this->getUserByContext();
|
||||
if ($user !== null) {
|
||||
$messagesFromSession = $user->getSessionData($this->identifier);
|
||||
$messagesFromSession = is_array($messagesFromSession) ? $messagesFromSession : [];
|
||||
foreach ($messagesFromSession as $messageData) {
|
||||
$sessionMessages[] = FlashMessage::createFromArray(json_decode($messageData, true));
|
||||
}
|
||||
}
|
||||
return $sessionMessages;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets user object by context.
|
||||
* This class is also used in install tool, where $GLOBALS['BE_USER'] is not set and can be null.
|
||||
*
|
||||
* @todo: This construct needs to be removed. Methods that use this should be changed to
|
||||
* get the user hand over explicitly from the caller! A patch should make this global
|
||||
* access a b/w compat fallback only and adapt consuming methods accordingly.
|
||||
*/
|
||||
protected function getUserByContext(): ?AbstractUserAuthentication
|
||||
{
|
||||
if (($GLOBALS['TYPO3_REQUEST'] ?? null)
|
||||
&& $GLOBALS['TYPO3_REQUEST']->getAttribute('frontend.user') instanceof FrontendUserAuthentication
|
||||
) {
|
||||
return $GLOBALS['TYPO3_REQUEST']->getAttribute('frontend.user');
|
||||
}
|
||||
return $GLOBALS['BE_USER'] ?? null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Fetches and renders all available flash messages from the queue.
|
||||
*
|
||||
* @param FlashMessageRendererInterface|null $flashMessageRenderer
|
||||
* @return string All flash messages in the queue rendered by context based FlashMessageRendererResolver.
|
||||
*/
|
||||
public function renderFlashMessages(?FlashMessageRendererInterface $flashMessageRenderer = null)
|
||||
{
|
||||
$content = '';
|
||||
$flashMessages = $this->getAllMessagesAndFlush();
|
||||
|
||||
if (!empty($flashMessages)) {
|
||||
if ($flashMessageRenderer === null) {
|
||||
$flashMessageRenderer = GeneralUtility::makeInstance(FlashMessageRendererResolver::class)->resolve();
|
||||
}
|
||||
$content = $flashMessageRenderer->render($flashMessages);
|
||||
}
|
||||
|
||||
return $content;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns all items of the queue as array
|
||||
*
|
||||
* @return FlashMessage[]
|
||||
*/
|
||||
public function toArray()
|
||||
{
|
||||
$array = [];
|
||||
$this->rewind();
|
||||
while ($this->valid()) {
|
||||
$array[] = $this->current();
|
||||
$this->next();
|
||||
}
|
||||
return $array;
|
||||
}
|
||||
|
||||
/**
|
||||
* Removes all items from the queue
|
||||
*
|
||||
* @param ContextualFeedbackSeverity|null $severity
|
||||
*/
|
||||
public function clear(?ContextualFeedbackSeverity $severity = null)
|
||||
{
|
||||
$this->rewind();
|
||||
if ($severity === null) {
|
||||
while (!$this->isEmpty()) {
|
||||
parent::dequeue();
|
||||
}
|
||||
} else {
|
||||
$keysToRemove = [];
|
||||
while ($cur = $this->current()) {
|
||||
if ($cur->getSeverity() === $severity) {
|
||||
$keysToRemove[] = $this->key();
|
||||
}
|
||||
$this->next();
|
||||
}
|
||||
// keys are renumbered when unsetting elements
|
||||
// so unset them from last to first
|
||||
$keysToRemove = array_reverse($keysToRemove);
|
||||
foreach ($keysToRemove as $key) {
|
||||
$this->offsetUnset($key);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @return array Data which can be serialized by json_encode()
|
||||
*/
|
||||
public function jsonSerialize(): array
|
||||
{
|
||||
return $this->toArray();
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user