125 lines
3.8 KiB
PHP
125 lines
3.8 KiB
PHP
<?php
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namespace Drupal\farm_birth\EventSubscriber;
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use Drupal\Core\Messenger\MessengerInterface;
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use Drupal\Core\StringTranslation\StringTranslationTrait;
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use Drupal\log\Event\LogEvent;
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use Symfony\Component\EventDispatcher\EventSubscriberInterface;
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/**
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* Sync child asset fields to reflect those saved in a birth log.
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*/
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class LogEventSubscriber implements EventSubscriberInterface {
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use StringTranslationTrait;
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/**
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* The Messenger service.
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*
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* @var \Drupal\Core\Messenger\MessengerInterface
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*/
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protected $messenger;
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/**
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* MyModuleService constructor.
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*
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* @param \Drupal\Core\Messenger\MessengerInterface $messenger
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* The messenger service.
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*/
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public function __construct(MessengerInterface $messenger) {
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$this->messenger = $messenger;
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}
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/**
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* {@inheritdoc}
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*
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* @return array
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* The event names to listen for, and the methods that should be executed.
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*/
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public static function getSubscribedEvents() {
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return [
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LogEvent::INSERT => 'syncBirthChildren',
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LogEvent::UPDATE => 'syncBirthChildren',
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];
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}
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/**
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* Sync child asset fields to reflect those saved in a birth log.
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*
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* @param \Drupal\log\Event\LogEvent $event
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* The log event.
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*/
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public function syncBirthChildren(LogEvent $event): void {
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// Get the log entity from the event.
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$log = $event->log;
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// If this is not a birth log, bail.
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if ($log->bundle() != 'birth') {
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return;
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}
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// Load mother asset.
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/** @var \Drupal\asset\Entity\AssetInterface $mother */
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$mothers = $log->get('mother')->referencedEntities();
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$mother = reset($mothers);
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// Load children assets.
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/** @var \Drupal\asset\Entity\AssetInterface[] $children */
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$children = $log->get('asset')->referencedEntities();
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// If the log doesn't reference any children, bail.
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if (empty($children)) {
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return;
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}
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// Iterate through the children.
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foreach ($children as $child) {
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$save = FALSE;
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$revision_log = [];
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// If the child is an animal, and their date of birth does not match the
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// timestamp of the birth log, sync it.
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if ($child->bundle() == 'animal' && $child->get('birthdate')->value != $log->get('timestamp')->value) {
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$args = [
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':child_url' => $child->toUrl()->toString(),
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'%child_name' => $child->label(),
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];
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$message = $this->t('<a href=":child_url">%child_name</a> date of birth was updated to match their birth log.', $args);
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$this->messenger->addMessage($message);
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$revision_log[] = $message;
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$child->birthdate = $log->get('timestamp')->value;
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$save = TRUE;
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}
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// If a mother is specified, and the child does not have any parents,
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// add the mother to the child's parent reference field.
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if (!empty($mother)) {
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$parents = $child->get('parent')->referencedEntities();
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if (empty($parents)) {
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$args = [
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':mother_url' => $mother->toUrl()->toString(),
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'%mother_name' => $mother->label(),
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':child_url' => $child->toUrl()->toString(),
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'%child_name' => $child->label(),
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];
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$message = $this->t('<a href=":mother_url">%mother_name</a> added as a parent of <a href=":child_url">%child_name</a>.', $args);
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$this->messenger->addMessage($message);
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$revision_log[] = $message;
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$child->parent[] = ['target_id' => $mother->id()];
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$save = TRUE;
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}
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}
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// Save the child, if necessary.
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if ($save) {
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$revision_log[] = $this->t('Birth log saved: <a href=":birth_url">%birth_label</a>', [':birth_url' => $log->toUrl()->toString(), '%birth_label' => $log->label()]);
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$child->setRevisionLogMessage(implode(" ", $revision_log));
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$child->save();
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}
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}
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}
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}
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