class WorkspacesHooks

class WorkspacesHooks {
    
    /**
     * Implements hook_help().
     */
    public function help($route_name, RouteMatchInterface $route_match) {
        switch ($route_name) {
            // Main module help for the Workspaces module.
            case 'help.page.workspaces':
                $output = '';
                $output .= '<h2>' . t('About') . '</h2>';
                $output .= '<p>' . t('The Workspaces module allows workspaces to be defined and switched between. Content is then assigned to the active workspace when created. For more information, see the <a href=":workspaces">online documentation for the Workspaces module</a>.', [
                    ':workspaces' => 'https://www.drupal.org/docs/8/core/modules/workspace/overview',
                ]) . '</p>';
                return $output;
        }
    }
    
    /**
     * Implements hook_module_preinstall().
     */
    public function modulePreinstall($module) {
        if ($module !== 'workspaces') {
            return;
        }
        
        /** @var \Drupal\workspaces\WorkspaceInformationInterface $workspace_info */
        $workspace_info = \Drupal::service('workspaces.information');
        $entity_definition_update_manager = \Drupal::entityDefinitionUpdateManager();
        foreach ($entity_definition_update_manager->getEntityTypes() as $entity_type) {
            if ($workspace_info->isEntityTypeSupported($entity_type)) {
                $entity_type->setRevisionMetadataKey('workspace', 'workspace');
                $entity_definition_update_manager->updateEntityType($entity_type);
            }
        }
    }
    
    /**
     * Implements hook_entity_type_build().
     */
    public function entityTypeBuild(array &$entity_types) {
        return \Drupal::service('class_resolver')->getInstanceFromDefinition(EntityTypeInfo::class)
            ->entityTypeBuild($entity_types);
    }
    
    /**
     * Implements hook_entity_type_alter().
     */
    public function entityTypeAlter(array &$entity_types) : void {
        \Drupal::service('class_resolver')->getInstanceFromDefinition(EntityTypeInfo::class)
            ->entityTypeAlter($entity_types);
    }
    
    /**
     * Implements hook_form_alter().
     */
    public function formAlter(&$form, FormStateInterface $form_state, $form_id) : void {
        if ($form_state->getFormObject() instanceof EntityFormInterface) {
            \Drupal::service('class_resolver')->getInstanceFromDefinition(EntityOperations::class)
                ->entityFormAlter($form, $form_state, $form_id);
        }
        \Drupal::service('class_resolver')->getInstanceFromDefinition(FormOperations::class)
            ->formAlter($form, $form_state, $form_id);
    }
    
    /**
     * Implements hook_field_info_alter().
     */
    public function fieldInfoAlter(&$definitions) {
        \Drupal::service('class_resolver')->getInstanceFromDefinition(EntityTypeInfo::class)
            ->fieldInfoAlter($definitions);
    }
    
    /**
     * Implements hook_entity_base_field_info().
     */
    public function entityBaseFieldInfo(EntityTypeInterface $entity_type) {
        return \Drupal::service('class_resolver')->getInstanceFromDefinition(EntityTypeInfo::class)
            ->entityBaseFieldInfo($entity_type);
    }
    
    /**
     * Implements hook_entity_preload().
     */
    public function entityPreload(array $ids, $entity_type_id) {
        return \Drupal::service('class_resolver')->getInstanceFromDefinition(EntityOperations::class)
            ->entityPreload($ids, $entity_type_id);
    }
    
    /**
     * Implements hook_entity_presave().
     */
    public function entityPresave(EntityInterface $entity) {
        return \Drupal::service('class_resolver')->getInstanceFromDefinition(EntityOperations::class)
            ->entityPresave($entity);
    }
    
    /**
     * Implements hook_entity_insert().
     */
    public function entityInsert(EntityInterface $entity) {
        if ($entity->getEntityTypeId() === 'workspace') {
            \Drupal::service('workspaces.association')->workspaceInsert($entity);
            \Drupal::service('workspaces.repository')->resetCache();
        }
        return \Drupal::service('class_resolver')->getInstanceFromDefinition(EntityOperations::class)
            ->entityInsert($entity);
    }
    
    /**
     * Implements hook_entity_update().
     */
    public function entityUpdate(EntityInterface $entity) {
        if ($entity->getEntityTypeId() === 'workspace') {
            \Drupal::service('workspaces.repository')->resetCache();
        }
        return \Drupal::service('class_resolver')->getInstanceFromDefinition(EntityOperations::class)
            ->entityUpdate($entity);
    }
    
    /**
     * Implements hook_entity_translation_insert().
     */
    public function entityTranslationInsert(EntityInterface $translation) : void {
        \Drupal::service('class_resolver')->getInstanceFromDefinition(EntityOperations::class)
            ->entityTranslationInsert($translation);
    }
    
    /**
     * Implements hook_entity_predelete().
     */
    public function entityPredelete(EntityInterface $entity) {
        if ($entity->getEntityTypeId() === 'workspace') {
            \Drupal::service('workspaces.repository')->resetCache();
        }
        return \Drupal::service('class_resolver')->getInstanceFromDefinition(EntityOperations::class)
            ->entityPredelete($entity);
    }
    
    /**
     * Implements hook_entity_delete().
     */
    public function entityDelete(EntityInterface $entity) {
        if (\Drupal::service('workspaces.information')->isEntityTypeSupported($entity->getEntityType())) {
            \Drupal::service('workspaces.association')->deleteAssociations(NULL, $entity->getEntityTypeId(), [
                $entity->id(),
            ]);
        }
    }
    
    /**
     * Implements hook_entity_revision_delete().
     */
    public function entityRevisionDelete(EntityInterface $entity) {
        if (\Drupal::service('workspaces.information')->isEntityTypeSupported($entity->getEntityType())) {
            \Drupal::service('workspaces.association')->deleteAssociations(NULL, $entity->getEntityTypeId(), [
                $entity->id(),
            ], [
                $entity->getRevisionId(),
            ]);
        }
    }
    
    /**
     * Implements hook_entity_access().
     *
     * @see \Drupal\workspaces\EntityAccess
     */
    public function entityAccess(EntityInterface $entity, $operation, AccountInterface $account) {
        return \Drupal::service('class_resolver')->getInstanceFromDefinition(EntityAccess::class)
            ->entityOperationAccess($entity, $operation, $account);
    }
    
    /**
     * Implements hook_entity_create_access().
     *
     * @see \Drupal\workspaces\EntityAccess
     */
    public function entityCreateAccess(AccountInterface $account, array $context, $entity_bundle) {
        return \Drupal::service('class_resolver')->getInstanceFromDefinition(EntityAccess::class)
            ->entityCreateAccess($account, $context, $entity_bundle);
    }
    
    /**
     * Implements hook_ENTITY_TYPE_update() for the 'menu_link_content' entity type.
     */
    public function menuLinkContentUpdate(EntityInterface $entity) {
        
        /** @var \Drupal\menu_link_content\MenuLinkContentInterface $entity */
        if ($entity->getLoadedRevisionId() != $entity->getRevisionId()) {
            // We are not updating the menu tree definitions when a custom menu link
            // entity is saved as a pending revision (because the parent can not be
            // changed), so we need to clear the system menu cache manually. However,
            // inserting or deleting a custom menu link updates the menu tree
            // definitions, so we don't have to do anything in those cases.
            $cache_tags = Cache::buildTags('config:system.menu', [
                $entity->getMenuName(),
            ], '.');
            \Drupal::service('cache_tags.invalidator')->invalidateTags($cache_tags);
        }
    }
    
    /**
     * Implements hook_views_query_alter().
     */
    public function viewsQueryAlter(ViewExecutable $view, QueryPluginBase $query) {
        return \Drupal::service('class_resolver')->getInstanceFromDefinition(ViewsQueryAlter::class)
            ->alterQuery($view, $query);
    }
    
    /**
     * Implements hook_cron().
     */
    public function cron() {
        \Drupal::service('workspaces.manager')->purgeDeletedWorkspacesBatch();
    }

}