org.graylog.events.contentpack.facade.NotificationFacade Maven / Gradle / Ivy
/**
* This file is part of Graylog.
*
* Graylog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog. If not, see .
*/
package org.graylog.events.contentpack.facade;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.graylog.events.contentpack.entities.NotificationEntity;
import org.graylog.events.notifications.DBNotificationService;
import org.graylog.events.notifications.NotificationDto;
import org.graylog.events.notifications.NotificationResourceHandler;
import org.graylog2.contentpacks.EntityDescriptorIds;
import org.graylog2.contentpacks.facades.EntityFacade;
import org.graylog2.contentpacks.model.ModelId;
import org.graylog2.contentpacks.model.ModelTypes;
import org.graylog2.contentpacks.model.entities.Entity;
import org.graylog2.contentpacks.model.entities.EntityDescriptor;
import org.graylog2.contentpacks.model.entities.EntityExcerpt;
import org.graylog2.contentpacks.model.entities.EntityV1;
import org.graylog2.contentpacks.model.entities.NativeEntity;
import org.graylog2.contentpacks.model.entities.NativeEntityDescriptor;
import org.graylog2.contentpacks.model.entities.references.ValueReference;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.inject.Inject;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
public class NotificationFacade implements EntityFacade {
private static final Logger LOG = LoggerFactory.getLogger(NotificationFacade.class);
private final ObjectMapper objectMapper;
private final DBNotificationService notificationService;
private final NotificationResourceHandler notificationResourceHandler;
@Inject
public NotificationFacade(ObjectMapper objectMapper,
NotificationResourceHandler notificationResourceHandler,
DBNotificationService notificationService) {
this.objectMapper = objectMapper;
this.notificationService = notificationService;
this.notificationResourceHandler = notificationResourceHandler;
}
@Override
public Optional exportEntity(EntityDescriptor entityDescriptor, EntityDescriptorIds entityDescriptorIds) {
final ModelId modelId = entityDescriptor.id();
final Optional notificationDto = notificationService.get(modelId.id());
if (!notificationDto.isPresent()) {
LOG.debug("Couldn't find notification {}", entityDescriptor);
return Optional.empty();
}
final NotificationEntity entity = (NotificationEntity) notificationDto.get().toContentPackEntity(entityDescriptorIds);
final JsonNode data = objectMapper.convertValue(entity, JsonNode.class);
return Optional.of(
EntityV1.builder()
.id(ModelId.of(entityDescriptorIds.getOrThrow(notificationDto.get().id(), ModelTypes.NOTIFICATION_V1)))
.type(ModelTypes.NOTIFICATION_V1)
.data(data)
.build());
}
@Override
public NativeEntity createNativeEntity(Entity entity, Map parameters, Map nativeEntities, String username) {
if (entity instanceof EntityV1) {
return decode((EntityV1) entity, parameters, nativeEntities);
} else {
throw new IllegalArgumentException("Unsupported entity version: " + entity.getClass());
}
}
private NativeEntity decode(EntityV1 entityV1,
Map parameters,
Map nativeEntities) {
final NotificationEntity entity = objectMapper.convertValue(entityV1.data(), NotificationEntity.class);
final NotificationDto notificationDto = entity.toNativeEntity(parameters, nativeEntities);
final NotificationDto savedDto = notificationResourceHandler.create(notificationDto);
return NativeEntity.create(entityV1.id(), savedDto.id(), ModelTypes.NOTIFICATION_V1, savedDto.title(), savedDto);
}
@Override
public Optional> loadNativeEntity(NativeEntityDescriptor nativeEntityDescriptor) {
final Optional notificationDto = notificationService.get(nativeEntityDescriptor.id().id());
return notificationDto.map(notification -> NativeEntity.create(nativeEntityDescriptor, notification));
}
@Override
public void delete(NotificationDto nativeEntity) {
notificationResourceHandler.delete(nativeEntity.id());
}
@Override
public EntityExcerpt createExcerpt(NotificationDto nativeEntity) {
return EntityExcerpt.builder()
.id(ModelId.of(nativeEntity.id()))
.type(ModelTypes.NOTIFICATION_V1)
.title(nativeEntity.title())
.build();
}
@Override
public Set listEntityExcerpts() {
return notificationService.streamAll()
.map(this::createExcerpt)
.collect(Collectors.toSet());
}
}