public async Task <NewLotDtosModel> UpdateLots(int filterId)
{
try
{
logger.Info($"Operation UpdateLots for filter with id {filterId} was started");
var currentFilter = unitOfWork.Filters.GetById(filterId);
if (currentFilter != null)
{
var currnetFilterDto = filterModelFactory.CreateFilterDto(currentFilter);
var lotDtosFromParser = await htmlParserProvider.GetLotsByFilter(currnetFilterDto.Content);
var lotsFromParser = lotModelFactory.CreateLots(lotDtosFromParser).ToList();
var lotsFromDB = GetLotsByFilterId(currentFilter.Id);
var newLots = GetNewLots(lotsFromDB, lotsFromParser);
var notActualLot = GetNotActualLots(lotsFromDB, lotsFromParser);
var toUpdateLots = GetToUpdateLots(lotsFromDB, lotsFromParser, newLots);
AddNewLots(newLots, currentFilter.Id);
UpdatePrice(toUpdateLots, currentFilter.Id);
DeleteNotActualLots(notActualLot, currentFilter.Id);
await unitOfWork.SaveChanges();
var newLotDtosModel = lotModelFactory.CreateNewLotDtosModel(currnetFilterDto, newLots);
return(newLotDtosModel);
}
}
catch (Exception e)
{
unitOfWork.RollBack();
logger.Error($"Exception occurred during operation UpdateLots for filter with id: {filterId}. Error message: {e.Message}");
}
return(null);
}
