/**
* Copyright © 2016-2017 The Thingsboard Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.thingsboard.server.dao.widget;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.thingsboard.server.common.data.Tenant;
import org.thingsboard.server.common.data.id.TenantId;
import org.thingsboard.server.common.data.id.WidgetTypeId;
import org.thingsboard.server.common.data.widget.WidgetType;
import org.thingsboard.server.common.data.widget.WidgetsBundle;
import org.thingsboard.server.dao.exception.DataValidationException;
import org.thingsboard.server.dao.model.ModelConstants;
import org.thingsboard.server.dao.model.TenantEntity;
import org.thingsboard.server.dao.model.WidgetTypeEntity;
import org.thingsboard.server.dao.model.WidgetsBundleEntity;
import org.thingsboard.server.dao.service.DataValidator;
import org.thingsboard.server.dao.service.Validator;
import org.thingsboard.server.dao.tenant.TenantDao;
import org.thingsboard.server.dao.tenant.TenantService;
import java.util.List;
import static org.thingsboard.server.dao.DaoUtil.convertDataList;
import static org.thingsboard.server.dao.DaoUtil.getData;
@Service
@Slf4j
public class WidgetTypeServiceImpl implements WidgetTypeService {
@Autowired
private WidgetTypeDao widgetTypeDao;
@Autowired
private TenantDao tenantDao;
@Autowired
private WidgetsBundleDao widgetsBundleService;
@Override
public WidgetType findWidgetTypeById(WidgetTypeId widgetTypeId) {
log.trace("Executing findWidgetTypeById [{}]", widgetTypeId);
Validator.validateId(widgetTypeId, "Incorrect widgetTypeId " + widgetTypeId);
WidgetTypeEntity widgetTypeEntity = widgetTypeDao.findById(widgetTypeId.getId());
return getData(widgetTypeEntity);
}
@Override
public WidgetType saveWidgetType(WidgetType widgetType) {
log.trace("Executing saveWidgetType [{}]", widgetType);
widgetTypeValidator.validate(widgetType);
WidgetTypeEntity widgetTypeEntity = widgetTypeDao.save(widgetType);
return getData(widgetTypeEntity);
}
@Override
public void deleteWidgetType(WidgetTypeId widgetTypeId) {
log.trace("Executing deleteWidgetType [{}]", widgetTypeId);
Validator.validateId(widgetTypeId, "Incorrect widgetTypeId " + widgetTypeId);
widgetTypeDao.removeById(widgetTypeId.getId());
}
@Override
public List<WidgetType> findWidgetTypesByTenantIdAndBundleAlias(TenantId tenantId, String bundleAlias) {
log.trace("Executing findWidgetTypesByTenantIdAndBundleAlias, tenantId [{}], bundleAlias [{}]", tenantId, bundleAlias);
Validator.validateId(tenantId, "Incorrect tenantId " + tenantId);
Validator.validateString(bundleAlias, "Incorrect bundleAlias " + bundleAlias);
List<WidgetTypeEntity> widgetTypesEntities = widgetTypeDao.findWidgetTypesByTenantIdAndBundleAlias(tenantId.getId(), bundleAlias);
return convertDataList(widgetTypesEntities);
}
@Override
public WidgetType findWidgetTypeByTenantIdBundleAliasAndAlias(TenantId tenantId, String bundleAlias, String alias) {
log.trace("Executing findWidgetTypeByTenantIdBundleAliasAndAlias, tenantId [{}], bundleAlias [{}], alias [{}]", tenantId, bundleAlias, alias);
Validator.validateId(tenantId, "Incorrect tenantId " + tenantId);
Validator.validateString(bundleAlias, "Incorrect bundleAlias " + bundleAlias);
Validator.validateString(alias, "Incorrect alias " + alias);
WidgetTypeEntity widgetTypeEntity = widgetTypeDao.findByTenantIdBundleAliasAndAlias(tenantId.getId(), bundleAlias, alias);
return getData(widgetTypeEntity);
}
@Override
public void deleteWidgetTypesByTenantIdAndBundleAlias(TenantId tenantId, String bundleAlias) {
log.trace("Executing deleteWidgetTypesByTenantIdAndBundleAlias, tenantId [{}], bundleAlias [{}]", tenantId, bundleAlias);
Validator.validateId(tenantId, "Incorrect tenantId " + tenantId);
Validator.validateString(bundleAlias, "Incorrect bundleAlias " + bundleAlias);
List<WidgetTypeEntity> widgetTypesEntities = widgetTypeDao.findWidgetTypesByTenantIdAndBundleAlias(tenantId.getId(), bundleAlias);
for (WidgetTypeEntity widgetTypeEntity : widgetTypesEntities) {
deleteWidgetType(new WidgetTypeId(widgetTypeEntity.getId()));
}
}
private DataValidator<WidgetType> widgetTypeValidator =
new DataValidator<WidgetType>() {
@Override
protected void validateDataImpl(WidgetType widgetType) {
if (StringUtils.isEmpty(widgetType.getName())) {
throw new DataValidationException("Widgets type name should be specified!");
}
if (StringUtils.isEmpty(widgetType.getBundleAlias())) {
throw new DataValidationException("Widgets type bundle alias should be specified!");
}
if (widgetType.getDescriptor() == null || widgetType.getDescriptor().size() == 0) {
throw new DataValidationException("Widgets type descriptor can't be empty!");
}
if (widgetType.getTenantId() == null) {
widgetType.setTenantId(new TenantId(ModelConstants.NULL_UUID));
}
if (!widgetType.getTenantId().getId().equals(ModelConstants.NULL_UUID)) {
TenantEntity tenant = tenantDao.findById(widgetType.getTenantId().getId());
if (tenant == null) {
throw new DataValidationException("Widget type is referencing to non-existent tenant!");
}
}
}
@Override
protected void validateCreate(WidgetType widgetType) {
WidgetsBundleEntity widgetsBundle = widgetsBundleService.findWidgetsBundleByTenantIdAndAlias(widgetType.getTenantId().getId(), widgetType.getBundleAlias());
if (widgetsBundle == null) {
throw new DataValidationException("Widget type is referencing to non-existent widgets bundle!");
}
String alias = widgetType.getName().toLowerCase().replaceAll("\\W+", "_");
String originalAlias = alias;
int c = 1;
WidgetTypeEntity withSameAlias;
do {
withSameAlias = widgetTypeDao.findByTenantIdBundleAliasAndAlias(widgetType.getTenantId().getId(), widgetType.getBundleAlias(), alias);
if (withSameAlias != null) {
alias = originalAlias + (++c);
}
} while(withSameAlias != null);
widgetType.setAlias(alias);
}
@Override
protected void validateUpdate(WidgetType widgetType) {
WidgetTypeEntity storedWidgetType = widgetTypeDao.findById(widgetType.getId().getId());
if (!storedWidgetType.getTenantId().equals(widgetType.getTenantId().getId())) {
throw new DataValidationException("Can't move existing widget type to different tenant!");
}
if (!storedWidgetType.getBundleAlias().equals(widgetType.getBundleAlias())) {
throw new DataValidationException("Update of widget type bundle alias is prohibited!");
}
if (!storedWidgetType.getAlias().equals(widgetType.getAlias())) {
throw new DataValidationException("Update of widget type alias is prohibited!");
}
}
};
}