public int Execute(IReadOnlyDictionary <Sku, int> skus)
{
int sum = 0;
if (skus == null || !skus.Any())
{
return(sum);
}
KeyValuePair <Sku, int> currentSkus = skus.FirstOrDefault(a => a.Key != null && a.Key.Name == Name);
if (currentSkus.IsDefault())
{
return(sum);
}
int skuValue = currentSkus.Key.SkuValue;
int count = currentSkus.Value;
int divider = count / Multiplier;
int remainder = count % Multiplier;
//Multiple promotion price with divider of skus.
if (divider > 0)
{
sum += divider * PromotionPrice;
}
//Add actual price of sku.
if (remainder > 0)
{
sum += remainder * skuValue;
}
return(sum);
}
public int Execute(IReadOnlyDictionary <Sku, int> skus)
{
int sum = 0;
KeyValuePair <Sku, int> currentSkusAlly1 = skus.FirstOrDefault(a => a.Key != null && a.Key.Name == Ally1);
KeyValuePair <Sku, int> currentSkusAlly2 = skus.FirstOrDefault(a => a.Key != null && a.Key.Name == Ally2);
if (currentSkusAlly1.IsDefault() && currentSkusAlly2.IsDefault())
{
return(sum);
}
if (!currentSkusAlly1.IsDefault() && currentSkusAlly2.IsDefault())
{
//If we found Ally 1 only not ally 2, e.g. C = 1 & D = 0.
sum += currentSkusAlly1.Key.SkuValue * currentSkusAlly1.Value;
}
else if (currentSkusAlly1.IsDefault() && !currentSkusAlly2.IsDefault())
{
//If we found Ally 2 only not ally 1, e.g. C = 0 & D = 1.
sum += currentSkusAlly2.Key.SkuValue * currentSkusAlly2.Value;
}
else
{
//If we found Ally 1 & ally 1, e.g. C = 2 & D = 1.
int ally1Count = currentSkusAlly1.Value;
int ally2Count = currentSkusAlly2.Value;
if (ally1Count > ally2Count)
{
sum += ally2Count * PromotionPrice;
sum += (ally1Count - ally2Count) * currentSkusAlly1.Key.SkuValue;
}
else
{
sum += ally1Count * PromotionPrice;
sum += (ally2Count - ally1Count) * currentSkusAlly2.Key.SkuValue;
}
}
return(sum);
}