public IEnumerable<PriceBreak> ImportVariantPriceBreaks(ProductVariantImportDataTransferObject dto, ProductVariant productVariant)
{
var priceBreaksToAdd = dto.PriceBreaks.Where(s => !productVariant.PriceBreaks.Select(@break => @break.Quantity).Contains(s.Key)).ToList();
var priceBreaksToRemove = productVariant.PriceBreaks.Where(@break => !dto.PriceBreaks.Keys.Contains(@break.Quantity)).ToList();
var priceBreaksToUpdate = productVariant.PriceBreaks.Where(@break => !priceBreaksToRemove.Contains(@break)).ToList();
foreach (var item in priceBreaksToAdd)
{
var priceBreak = new PriceBreak
{
Quantity = item.Key,
Price = item.Value,
ProductVariant = productVariant
};
productVariant.PriceBreaks.Add(priceBreak);
}
foreach (var priceBreak in priceBreaksToRemove)
{
productVariant.PriceBreaks.Remove(priceBreak);
_session.Delete(priceBreak);
}
foreach (var priceBreak in priceBreaksToUpdate)
priceBreak.Price = dto.PriceBreaks[priceBreak.Quantity];
return productVariant.PriceBreaks;
}
public virtual decimal GetUnitTax(int quantity)
{
PriceBreak priceBreak = GetPriceBreak(quantity);
return(priceBreak != null
? priceBreak.Tax
: Tax);
}
public virtual decimal GetUnitPrice(int quantity)
{
PriceBreak priceBreak = GetPriceBreak(quantity);
return(priceBreak != null
? priceBreak.PriceIncludingTax
: Price);
}
public IEnumerable<string> GetErrors(ProductVariantImportDataTransferObject productVariant)
{
var errors = new List<string>();
var productVariantPriceBreaks = new List<PriceBreak>();
foreach (var item in productVariant.PriceBreaks)
{
var priceBreak = new PriceBreak() {Price = item.Value, Quantity = item.Key};
productVariantPriceBreaks.Add(priceBreak);
if (!IsPriceBreakQuantityValid(item.Key, productVariantPriceBreaks) ||
!IsPriceBreakPriceValid(item.Key, item.Value, productVariant.Price, productVariantPriceBreaks))
{
productVariantPriceBreaks.Remove(priceBreak);
errors.Add(
string.Format(
"Price Break with Quantity: {0} and Price:{1} is not valid for this product variant.",
item.Key, item.Value));
}
}
return errors;
}
public void DeletePriceBreak(PriceBreak priceBreak)
{
if (priceBreak.ProductVariant != null)
{
priceBreak.ProductVariant.PriceBreaks.Remove(priceBreak);
}
_session.Transact(session => session.Delete(priceBreak));
}
public PriceBreak AddPriceBreak(PriceBreak item)
{
_session.Transact(session => session.Save(item));
return item;
}
public PriceBreak AddPriceBreak(AddPriceBreakModel model)
{
var productVariant = _session.Get<ProductVariant>(model.Id);
var priceBreak = new PriceBreak
{
ProductVariant = productVariant,
Quantity = model.Quantity,
Price = model.Price
};
productVariant.PriceBreaks.Add(priceBreak);
_session.Transact(session => session.SaveOrUpdate(priceBreak));
return priceBreak;
}