// Business function which processes the input provided by the user and saves the data after validation
public bool SaveSellerCatalogue(List <CsvInput> input)
{
bool result = false;
if (input != null && input.Any())
{
int sellerId = input.FirstOrDefault().SellerId; //Gets seller id from input csv file
int versionId = _catalogueRepo.GetSellersLastActiveVersion(sellerId); // Gets current active version for seller
if (versionId == -1 && !_catalogueRepo.SaveNewSeller(sellerId)) // Saves seller if version is invalid and checks if seller was saved properly if not return false and ends flow
{
return(result);
}
input = RemoveDuplicates(input); // Private function called which takes decision on input and removes duplicates based on business function
if (versionId > 0) // Gets remaiing products only when the seller has an active catalogue
{
string remainingProdIds = string.Join(',', input.Select(x => x.SellerProdId));
List <CsvInput> remainingProds = _catalogueRepo.GetRemainingProducts(remainingProdIds, sellerId, versionId);
input.AddRange(remainingProds);
}
int newversionId = versionId == -1 ? 1 : versionId + 1;
bool entriesSaved = _catalogueRepo.SaveNewCatalogueData(input, newversionId); // Saves the catalogue
if (entriesSaved) // On successfully saving the catalogue, the active version for the seller is updated
{
result = _catalogueRepo.UpdateActiveVersion(sellerId, newversionId);
}
}
return(result);
}