public async Task CreateOrUpdateRegionInfo(RegionInfoCreateOrUpdateInput input)
        {
            await CheckValidation(input);

            if (input.Id.HasValue)
            {
                await UpdateRegionInfoAsync(input);
            }
            else
            {
                await CreateRegionInfoAsync(input);
            }
        }
        private async Task CheckValidation(RegionInfoCreateOrUpdateInput input)
        {
            var existingObj = (await _regionInfoRepository.GetAll().AsNoTracking()
                               .FirstOrDefaultAsync(l => l.Code == input.Code && l.CityInfoId == input.CityInfoId));

            if (existingObj != null && existingObj.Id != input.Id)
            {
                throw new UserFriendlyException(L("ThisCodeAlreadyExists"));
            }

            existingObj = (await _regionInfoRepository.GetAll().AsNoTracking()
                           .FirstOrDefaultAsync(l => l.Name == input.Name && l.CityInfoId == input.CityInfoId));
            if (existingObj != null && existingObj.Id != input.Id)
            {
                throw new UserFriendlyException(L("ThisNameAlreadyExists"));
            }
        }
 private async Task CreateRegionInfoAsync(RegionInfoCreateOrUpdateInput input)
 {
     var regionInfo = ObjectMapper.Map <RegionInfo>(input);
     await _regionInfoRepository.InsertAsync(regionInfo);
 }