mirror of
https://github.com/Part-DB/Part-DB-server.git
synced 2025-06-28 12:40:08 +02:00
Moved deprecated doctrine subscribers to doctrine event listeners
This commit is contained in:
Jan Böhmer
parent
8ce93a028a
commit
43a68b96ae
3 changed files with 12 additions and 22 deletions
350
src/EventListener/LogSystem/EventLoggerListener.php
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350
src/EventListener/LogSystem/EventLoggerListener.php
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<?php
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/**
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* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
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*
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* Copyright (C) 2019 - 2022 Jan Böhmer (https://github.com/jbtronics)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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declare(strict_types=1);
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namespace App\EventListener\LogSystem;
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use App\Entity\Attachments\Attachment;
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use App\Entity\Base\AbstractDBElement;
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use App\Entity\LogSystem\AbstractLogEntry;
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use App\Entity\LogSystem\CollectionElementDeleted;
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use App\Entity\LogSystem\ElementCreatedLogEntry;
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use App\Entity\LogSystem\ElementDeletedLogEntry;
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use App\Entity\LogSystem\ElementEditedLogEntry;
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use App\Entity\OAuthToken;
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use App\Entity\Parameters\AbstractParameter;
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use App\Entity\Parts\PartLot;
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use App\Entity\PriceInformations\Orderdetail;
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use App\Entity\PriceInformations\Pricedetail;
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use App\Entity\UserSystem\User;
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use App\Services\LogSystem\EventCommentHelper;
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use App\Services\LogSystem\EventLogger;
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use App\Services\LogSystem\EventUndoHelper;
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use Doctrine\Bundle\DoctrineBundle\Attribute\AsDoctrineListener;
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use Doctrine\ORM\EntityManagerInterface;
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use Doctrine\ORM\Event\OnFlushEventArgs;
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use Doctrine\ORM\Event\PostFlushEventArgs;
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use Doctrine\ORM\Events;
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use Doctrine\Persistence\Event\LifecycleEventArgs;
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use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
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use Symfony\Component\Serializer\SerializerInterface;
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/**
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* This event subscriber writes to the event log when entities are changed, removed, created.
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*/
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#[AsDoctrineListener(event: Events::onFlush)]
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#[AsDoctrineListener(event: Events::postPersist)]
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#[AsDoctrineListener(event: Events::postFlush)]
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class EventLoggerListener
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{
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/**
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* @var array The given fields will not be saved, because they contain sensitive information
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*/
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protected const FIELD_BLACKLIST = [
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User::class => ['password', 'need_pw_change', 'googleAuthenticatorSecret', 'backupCodes', 'trustedDeviceCookieVersion', 'pw_reset_token', 'backupCodesGenerationDate'],
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];
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/**
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* @var array If elements of the given class are deleted, a log for the given fields will be triggered
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*/
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protected const TRIGGER_ASSOCIATION_LOG_WHITELIST = [
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PartLot::class => ['part'],
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Orderdetail::class => ['part'],
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Pricedetail::class => ['orderdetail'],
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Attachment::class => ['element'],
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AbstractParameter::class => ['element'],
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];
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protected const MAX_STRING_LENGTH = 2000;
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protected bool $save_new_data;
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public function __construct(protected EventLogger $logger, protected SerializerInterface $serializer, protected EventCommentHelper $eventCommentHelper,
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protected bool $save_changed_fields, protected bool $save_changed_data, protected bool $save_removed_data, bool $save_new_data,
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protected PropertyAccessorInterface $propertyAccessor, protected EventUndoHelper $eventUndoHelper)
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{
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//This option only makes sense if save_changed_data is true
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$this->save_new_data = $save_new_data && $save_changed_data;
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}
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public function onFlush(OnFlushEventArgs $eventArgs): void
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{
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$em = $eventArgs->getObjectManager();
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$uow = $em->getUnitOfWork();
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/*
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* Log changes and deletions of entites.
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* We can not log persist here, because the entities do not have IDs yet...
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*/
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foreach ($uow->getScheduledEntityUpdates() as $entity) {
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if ($this->validEntity($entity)) {
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$this->logElementEdited($entity, $em);
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}
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}
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foreach ($uow->getScheduledEntityDeletions() as $entity) {
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if ($this->validEntity($entity)) {
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$this->logElementDeleted($entity, $em);
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}
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}
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/* Do not call $uow->computeChangeSets() in this function, only individual entities should be computed!
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* Otherwise we will run into very strange issues, that some entity changes are no longer updated!
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* This is almost impossible to debug, because it only happens in some cases, and it looks very unrelated to
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* this code (which caused the problem and which took me very long time to find out).
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* So just do not call $uow->computeChangeSets() here ever, even if it is tempting!!
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* If you need to log something from inside here, just call logFromOnFlush() instead of the normal log() function.
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*/
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}
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public function postPersist(LifecycleEventArgs $args): void
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{
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//Create a log entry, we have to do this post persist, because we have to know the ID
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/** @var AbstractDBElement $entity */
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$entity = $args->getObject();
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if ($this->validEntity($entity)) {
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$log = new ElementCreatedLogEntry($entity);
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//Add user comment to log entry
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if ($this->eventCommentHelper->isMessageSet()) {
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$log->setComment($this->eventCommentHelper->getMessage());
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}
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if ($this->eventUndoHelper->isUndo()) {
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$undoEvent = $this->eventUndoHelper->getUndoneEvent();
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$log->setUndoneEvent($undoEvent, $this->eventUndoHelper->getMode());
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if ($undoEvent instanceof ElementDeletedLogEntry && $undoEvent->getTargetClass() === $log->getTargetClass()) {
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$log->setTargetElementID($undoEvent->getTargetID());
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}
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if ($undoEvent instanceof CollectionElementDeleted && $undoEvent->getDeletedElementClass() === $log->getTargetClass()) {
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$log->setTargetElementID($undoEvent->getDeletedElementID());
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}
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}
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$this->logger->log($log);
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}
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}
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public function postFlush(PostFlushEventArgs $args): void
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{
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$em = $args->getObjectManager();
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$uow = $em->getUnitOfWork();
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// If we have added any ElementCreatedLogEntries added in postPersist, we flush them here.
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$uow->computeChangeSets();
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if ($uow->hasPendingInsertions() || $uow->getScheduledEntityUpdates() !== []) {
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$em->flush();
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}
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//Clear the message provided by user.
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$this->eventCommentHelper->clearMessage();
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$this->eventUndoHelper->clearUndoneEvent();
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}
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/**
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* Check if the given element class has restrictions to its fields.
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*
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* @return bool True if there are restrictions, and further checking is needed
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*/
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public function hasFieldRestrictions(AbstractDBElement $element): bool
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{
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foreach (array_keys(static::FIELD_BLACKLIST) as $class) {
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if ($element instanceof $class) {
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return true;
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}
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}
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return false;
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}
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/**
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* Checks if the field of the given element should be saved (if it is not blacklisted).
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*/
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public function shouldFieldBeSaved(AbstractDBElement $element, string $field_name): bool
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{
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foreach (static::FIELD_BLACKLIST as $class => $blacklist) {
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if ($element instanceof $class && in_array($field_name, $blacklist, true)) {
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return false;
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}
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}
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//By default, allow every field.
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return true;
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}
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protected function logElementDeleted(AbstractDBElement $entity, EntityManagerInterface $em): void
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{
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$log = new ElementDeletedLogEntry($entity);
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//Add user comment to log entry
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if ($this->eventCommentHelper->isMessageSet()) {
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$log->setComment($this->eventCommentHelper->getMessage());
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}
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if ($this->eventUndoHelper->isUndo()) {
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$log->setUndoneEvent($this->eventUndoHelper->getUndoneEvent(), $this->eventUndoHelper->getMode());
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}
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if ($this->save_removed_data) {
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//The 4th param is important here, as we delete the element...
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$this->saveChangeSet($entity, $log, $em, true);
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}
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$this->logger->logFromOnFlush($log);
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//Check if we have to log CollectionElementDeleted entries
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if ($this->save_changed_data) {
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$metadata = $em->getClassMetadata($entity::class);
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$mappings = $metadata->getAssociationMappings();
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//Check if class is whitelisted for CollectionElementDeleted entry
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foreach (static::TRIGGER_ASSOCIATION_LOG_WHITELIST as $class => $whitelist) {
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if ($entity instanceof $class) {
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//Check names
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foreach ($mappings as $field => $mapping) {
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if (in_array($field, $whitelist, true)) {
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$changed = $this->propertyAccessor->getValue($entity, $field);
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$log = new CollectionElementDeleted($changed, $mapping['inversedBy'], $entity);
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if ($this->eventUndoHelper->isUndo()) {
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$log->setUndoneEvent($this->eventUndoHelper->getUndoneEvent(), $this->eventUndoHelper->getMode());
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}
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$this->logger->logFromOnFlush($log);
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}
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}
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}
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}
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}
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}
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protected function logElementEdited(AbstractDBElement $entity, EntityManagerInterface $em): void
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{
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$uow = $em->getUnitOfWork();
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/* We have to call that here again, so the foreign entity timestamps, that were changed in updateTimestamp
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get persisted */
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$changeSet = $uow->getEntityChangeSet($entity);
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//Skip log entry, if only the lastModified field has changed...
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if (count($changeSet) === 1 && isset($changeSet['lastModified'])) {
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return;
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}
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$log = new ElementEditedLogEntry($entity);
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if ($this->save_changed_data) {
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$this->saveChangeSet($entity, $log, $em);
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} elseif ($this->save_changed_fields) {
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$changed_fields = array_keys($uow->getEntityChangeSet($entity));
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//Remove lastModified field, as this is always changed (gives us no additional info)
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$changed_fields = array_diff($changed_fields, ['lastModified']);
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$log->setChangedFields($changed_fields);
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}
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//Add user comment to log entry
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if ($this->eventCommentHelper->isMessageSet()) {
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$log->setComment($this->eventCommentHelper->getMessage());
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}
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if ($this->eventUndoHelper->isUndo()) {
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$log->setUndoneEvent($this->eventUndoHelper->getUndoneEvent(), $this->eventUndoHelper->getMode());
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}
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$this->logger->logFromOnFlush($log);
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}
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/**
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* Filter out every forbidden field and return the cleaned array.
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*/
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protected function filterFieldRestrictions(AbstractDBElement $element, array $fields): array
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{
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unset($fields['lastModified']);
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if (!$this->hasFieldRestrictions($element)) {
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return $fields;
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}
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return array_filter($fields, function ($value, $key) use ($element) {
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//Associative array (save changed data) case
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if (is_string($key)) {
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return $this->shouldFieldBeSaved($element, $key);
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}
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return $this->shouldFieldBeSaved($element, $value);
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}, ARRAY_FILTER_USE_BOTH);
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}
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/**
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* Restrict the length of every string in the given array to MAX_STRING_LENGTH, to save memory in the case of very
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* long strings (e.g. images in notes)
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*/
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protected function fieldLengthRestrict(array $fields): array
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{
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return array_map(
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static function ($value) {
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if (is_string($value)) {
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return mb_strimwidth($value, 0, self::MAX_STRING_LENGTH, '...');
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}
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return $value;
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}, $fields);
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}
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protected function saveChangeSet(AbstractDBElement $entity, AbstractLogEntry $logEntry, EntityManagerInterface $em, bool $element_deleted = false): void
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{
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$new_data = null;
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$uow = $em->getUnitOfWork();
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if (!$logEntry instanceof ElementEditedLogEntry && !$logEntry instanceof ElementDeletedLogEntry) {
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throw new \InvalidArgumentException('$logEntry must be ElementEditedLogEntry or ElementDeletedLogEntry!');
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}
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if ($element_deleted) { //If the element was deleted we can use getOriginalData to save its content
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$old_data = $uow->getOriginalEntityData($entity);
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} else { //Otherwise we have to get it from entity changeset
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$changeSet = $uow->getEntityChangeSet($entity);
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$old_data = array_combine(array_keys($changeSet), array_column($changeSet, 0));
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//If save_new_data is enabled, we extract it from the change set
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if ($this->save_new_data) {
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$new_data = array_combine(array_keys($changeSet), array_column($changeSet, 1));
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}
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}
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$old_data = $this->filterFieldRestrictions($entity, $old_data);
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//Restrict length of string fields, to save memory...
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$old_data = $this->fieldLengthRestrict($old_data);
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$logEntry->setOldData($old_data);
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if ($new_data !== [] && $new_data !== null) {
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$new_data = $this->filterFieldRestrictions($entity, $new_data);
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$new_data = $this->fieldLengthRestrict($new_data);
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$logEntry->setNewData($new_data);
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}
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}
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/**
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* Check if the given entity can be logged.
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*
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* @return bool true, if the given entity can be logged
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*/
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protected function validEntity(object $entity): bool
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{
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//Dont log OAuthTokens
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if ($entity instanceof OAuthToken) {
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return false;
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}
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//Dont log logentries itself!
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return $entity instanceof AbstractDBElement && !$entity instanceof AbstractLogEntry;
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}
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}
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89
src/EventListener/LogSystem/LogDBMigrationListener.php
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89
src/EventListener/LogSystem/LogDBMigrationListener.php
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@ -0,0 +1,89 @@
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<?php
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/**
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* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
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*
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* Copyright (C) 2019 - 2022 Jan Böhmer (https://github.com/jbtronics)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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declare(strict_types=1);
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namespace App\EventListener\LogSystem;
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use App\Entity\LogSystem\DatabaseUpdatedLogEntry;
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use App\Services\LogSystem\EventLogger;
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use Doctrine\Bundle\DoctrineBundle\Attribute\AsDoctrineListener;
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use Doctrine\Migrations\DependencyFactory;
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use Doctrine\Migrations\Event\MigrationsEventArgs;
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use Doctrine\Migrations\Events;
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/**
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* This subscriber logs databaseMigrations to Event log.
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*/
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#[AsDoctrineListener(event: Events::onMigrationsMigrated)]
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#[AsDoctrineListener(event: Events::onMigrationsMigrating)]
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class LogDBMigrationListener
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{
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protected ?string $old_version = null;
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protected ?string $new_version = null;
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public function __construct(protected EventLogger $eventLogger, protected DependencyFactory $dependencyFactory)
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{
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}
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public function onMigrationsMigrated(MigrationsEventArgs $args): void
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{
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//Dont do anything if this was a dry run
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if ($args->getMigratorConfiguration()->isDryRun()) {
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return;
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}
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$aliasResolver = $this->dependencyFactory->getVersionAliasResolver();
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//Save the version after the migration
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//$this->new_version = $args->getMigratorConfiguration()->getCurrentVersion();
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$this->new_version = (string) $aliasResolver->resolveVersionAlias('current');
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//After everything is done, write the results to DB log
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$this->old_version = $this->old_version === null || $this->old_version === '' ? 'legacy/empty' : $this->old_version;
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$this->new_version = $this->new_version === '' ? 'unknown' : $this->new_version;
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try {
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$log = new DatabaseUpdatedLogEntry($this->old_version, $this->new_version);
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$this->eventLogger->logAndFlush($log);
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} catch (\Throwable) {
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//Ignore any exception occuring here...
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}
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}
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public function onMigrationsMigrating(MigrationsEventArgs $args): void
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{
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// Save the version before any migration
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if (null === $this->old_version) {
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$aliasResolver = $this->dependencyFactory->getVersionAliasResolver();
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//$this->old_version = $args->getConfiguration()->getCurrentVersion();
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$this->old_version = (string) $aliasResolver->resolveVersionAlias('current');
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}
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}
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public function getSubscribedEvents(): array
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{
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return [
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Events::onMigrationsMigrated,
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Events::onMigrationsMigrating,
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];
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}
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}
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