/// <summary>
/// Compares the <see cref="ProductAttributeCollection"/> with other <see cref="IProductVariant"/>s of the <see cref="IProduct"/> pass
/// to determine if the a variant already exists with the attributes passed
/// </summary>
/// <param name="product">The <see cref="IProduct"/> to reference</param>
/// <param name="attributes"><see cref="ProductAttributeCollection"/> to compare</param>
/// <returns>True/false indicating whether or not a <see cref="IProductVariant"/> already exists with the <see cref="ProductAttributeCollection"/> passed</returns>
public bool ProductVariantWithAttributesExists(IProduct product, ProductAttributeCollection attributes)
{
var variants = GetByProductKey(product.Key).ToArray();
var keys = attributes.Select(x => x.Key);
return(variants.Any(x => x.Attributes.All(z => keys.Contains(z.Key))));
}
/// <summary>
/// Compares the <see cref="ProductAttributeCollection"/> with other <see cref="IProductVariant"/>s of the <see cref="IProduct"/> pass
/// to determine if the a variant already exists with the attributes passed
/// </summary>
/// <param name="product">The <see cref="IProduct"/> to reference</param>
/// <param name="attributes"><see cref="ProductAttributeCollection"/> to compare</param>
/// <returns>True/false indicating whether or not a <see cref="IProductVariant"/> already exists with the <see cref="ProductAttributeCollection"/> passed</returns>
public bool ProductVariantWithAttributesExists(IProduct product, ProductAttributeCollection attributes)
{
var variants = GetByProductKey(product.Key).ToArray();
//// http://issues.merchello.com/youtrack/issue/M-941
var keys = attributes.Select(x => x.Key);
return(variants.Any(x => x.Attributes.All(z => keys.Contains(z.Key))));
//// return variants.Any(x => x.Attributes.Equals(attributes));
}
/// <summary>
/// Creates a <see cref="IProductVariant" /> of the <see cref="IProduct" /> passed defined by the collection of
/// <see cref="IProductAttribute" />
/// without saving it to the database
/// </summary>
/// <param name="product">The <see cref="IProduct" /></param>
/// <param name="variants"></param>
/// <param name="name">The name of the product variant</param>
/// <param name="sku">The unique SKU of the product variant</param>
/// <param name="price">The price of the product variant</param>
/// <param name="attributes">The <see cref="ProductAttributeCollection" /></param>
/// <returns>
/// Either a new <see cref="IProductVariant" /> or, if one already exists with associated attributes, the existing
/// <see cref="IProductVariant" />
/// </returns>
internal IProductVariant CreateProductVariant(IProduct product, List <IProductVariant> variants, string name,
string sku, decimal price, ProductAttributeCollection attributes)
{
Mandate.ParameterNotNull(product, "product");
Mandate.ParameterNotNull(attributes, "attributes");
Mandate.ParameterCondition(attributes.Count >= product.ProductOptions.Count(x => x.Required),
"An attribute must be assigned for every required option");
//// http://issues.merchello.com/youtrack/issue/M-740
// verify there is not already a variant with these attributes
////Mandate.ParameterCondition(false == ProductVariantWithAttributesExists(product, attributes), "A ProductVariant already exists for the ProductAttributeCollection");
if (ProductVariantWithAttributesExists(product, variants, attributes))
{
LogHelper.Debug <ProductVariantService>(
"Attempt to create a new variant that already exists. Returning existing variant.");
return(GetProductVariantWithAttributes(product, variants, attributes.Select(x => x.Key).ToArray()));
}
var newVariant = new ProductVariant(product.Key, attributes, name, sku, price)
{
CostOfGoods = product.CostOfGoods,
SalePrice = product.SalePrice,
OnSale = product.OnSale,
Weight = product.Weight,
Length = product.Length,
Width = product.Width,
Height = product.Height,
Barcode = product.Barcode,
Available = product.Available,
Manufacturer = product.Manufacturer,
ManufacturerModelNumber = product.ManufacturerModelNumber,
TrackInventory = product.TrackInventory,
OutOfStockPurchase = product.OutOfStockPurchase,
Taxable = product.Taxable,
Shippable = product.Shippable,
Download = product.Download,
VersionKey = Guid.NewGuid()
};
// Update existing ones in memory for checks in next loop
variants.Add(newVariant);
return(newVariant);
}
public void Can_Retrieve_A_ProductVariant_Given_A_Product_And_A_Collection_Of_AttributeIds()
{
//// Arrange
var attributes = new ProductAttributeCollection
{
_product.ProductOptions.First(x => x.Name == "Color").Choices.First(x => x.Sku == "Blk"),
_product.ProductOptions.First(x => x.Name == "Size").Choices.First(x => x.Sku == "Lg")
};
Assert.IsTrue(_product.ProductVariants.Any());
//// Act
var attIds = attributes.Select(x => x.Key).ToArray();
var retrieved = _productVariantService.GetProductVariantWithAttributes(_product, attIds);
//// Assert
Assert.NotNull(retrieved);
}
public void Can_Retrieve_A_ProductVariant_Given_A_Product_And_A_Collection_Of_AttributeIds()
{
//// Arrange
var attributes = new ProductAttributeCollection
{
_product.ProductOptions.First(x => x.Name == "Color").Choices.First(x => x.Sku == "Blk"),
_product.ProductOptions.First(x => x.Name == "Size").Choices.First(x => x.Sku == "Lg")
};
Assert.IsTrue(_product.ProductVariants.Any());
//// Act
var attIds = attributes.Select(x => x.Key).ToArray();
var retrieved = _productVariantService.GetProductVariantWithAttributes(_product, attIds);
//// Assert
Assert.NotNull(retrieved);
}
/// <summary>
/// Creates a <see cref="IProductVariant"/> of the <see cref="IProduct"/> passed defined by the collection of <see cref="IProductAttribute"/>
/// without saving it to the database
/// </summary>
/// <param name="product">The <see cref="IProduct"/></param>
/// <param name="name">The name of the product variant</param>
/// <param name="sku">The unique SKU of the product variant</param>
/// <param name="price">The price of the product variant</param>
/// <param name="attributes">The <see cref="ProductAttributeCollection"/></param>
/// <returns>Either a new <see cref="IProductVariant"/> or, if one already exists with associated attributes, the existing <see cref="IProductVariant"/></returns>
internal IProductVariant CreateProductVariant(IProduct product, string name, string sku, decimal price, ProductAttributeCollection attributes)
{
Mandate.ParameterNotNull(product, "product");
Mandate.ParameterNotNull(attributes, "attributes");
Mandate.ParameterCondition(attributes.Count >= product.ProductOptions.Count(x => x.Required), "An attribute must be assigned for every required option");
//// http://issues.merchello.com/youtrack/issue/M-740
// verify there is not already a variant with these attributes
////Mandate.ParameterCondition(false == ProductVariantWithAttributesExists(product, attributes), "A ProductVariant already exists for the ProductAttributeCollection");
if (this.ProductVariantWithAttributesExists(product, attributes))
{
LogHelper.Debug<ProductVariantService>("Attempt to create a new variant that already exists. Returning existing variant.");
return this.GetProductVariantWithAttributes(product, attributes.Select(x => x.Key).ToArray());
}
return new ProductVariant(product.Key, attributes, name, sku, price)
{
CostOfGoods = product.CostOfGoods,
SalePrice = product.SalePrice,
OnSale = product.OnSale,
Weight = product.Weight,
Length = product.Length,
Width = product.Width,
Height = product.Height,
Barcode = product.Barcode,
Available = product.Available,
Manufacturer = product.Manufacturer,
ManufacturerModelNumber = product.ManufacturerModelNumber,
TrackInventory = product.TrackInventory,
OutOfStockPurchase = product.OutOfStockPurchase,
Taxable = product.Taxable,
Shippable = product.Shippable,
Download = product.Download
};
}
