@Override
public GeneratorInstance delete(GeneratorInstanceDeleteRequest request) {
Long id = request.getId();
GeneratorInstance generatorInstancePersistence = generatorInstanceRepository.selectById(id);
if (generatorInstancePersistence == null) {
throw new AppException("实例不存在");
}
Long userId = request.getAuthentication().getUserId();
if (!userId.equals(generatorInstancePersistence.getUser().getId())) {
throw new AppException("权限不足");
}
generatorInstanceRepository.delete(generatorInstancePersistence);
Long rootDataModelId = generatorInstancePersistence.getDataModel().getId();
DataModel rootDataModePersistence = dataModelRepository.selectById(rootDataModelId);
if (rootDataModePersistence == null) {
throw new AppException("rootDataMode不存在");
}
dataModelRepository.delete(rootDataModePersistence);
Generator generatorPersistence =
generatorRepository.selectById(generatorInstancePersistence.getGenerator().getId());
generatorPersistence.setInstanceCount(generatorPersistence.getInstanceCount() - 1);
generatorRepository.update(generatorPersistence);
return generatorInstancePersistence;
}
