public bool AddProduct(string productName, string price, string type)
{
if (this.productsMapByName.Contains(productName))
{
return false;
}
var product = new Product
{
Name = productName,
Price = decimal.Parse(price),
Type = type
};
if (!this.mapByType.ContainsKey(type))
{
this.mapByType[type] = new List<Product>();
}
this.productsMapByName.Add(product.Name);
this.mapByType[type].Add(product);
this.productsByPrice.Add(product);
return true;
}
public IEnumerable<Product> FilterByPrice(
decimal minPrice = Product.MinimmPrice,
decimal maxPrice = Product.MaximumPrice,
int count = 10)
{
var minProduct = new Product
{
Name = "testProduct",
Type = "testType",
Price = minPrice
};
var maxProduct = new Product
{
Name = "testProduct",
Type = "testType",
Price = maxPrice
};
var result = this.productsByPrice.Range(
minProduct, true, maxProduct, true)
.Take(count);
return this.ApplyOrdering(result, count);
}
public string Add(Product product)
{
// check unique names
if (productNames.Contains(product.Name))
{
return string.Format("Error: Product {0} already exists", product.Name);
}
productNames.Add(product.Name);
// add by type
if (!productsByType.ContainsKey(product.Type))
{
productsByType[product.Type] = new SortedSet<Product>();
}
this.productsByType[product.Type].Add(product);
// add by price
this.allPrices.Add(product.Price);
if (!this.productsByPrice.ContainsKey(product.Price))
{
this.productsByPrice[product.Price] = new SortedSet<Product>();
}
this.productsByPrice[product.Price].Add(product);
return string.Format("Ok: Product {0} added successfully", product.Name);
}
private static bool AddProduct(
Product product,
OrderedBag<Product> byPrice,
Dictionary<string, OrderedBag<Product>> byType)
{
if (productNames.Contains(product.Name))
{
return false;
}
productNames.Add(product.Name);
types.Add(product.Type);
byPrice.Add(product);
if (byType.ContainsKey(product.Type))
{
byType[product.Type].Add(product);
}
else
{
byType.Add(product.Type, new OrderedBag<Product> { product });
}
return true;
}
