public static VariationsCollection.Variation FirstOrDefault(this VariationsCollection.Variation variations, string levelId)
{
if (variations != null)
{
if (string.Equals(variations.Id, levelId, StringComparison.InvariantCultureIgnoreCase))
{
return(variations);
}
if (variations.Options.Length > 0)
{
return(FirstOrDefault(variations.Options[0].Variations, levelId));
}
}
return(null);
}
private static VariationsCollection.Variation GetVariationsByAttributes(Variations variations, string id, IList <ProductVariationsConfig.Variation> groupVariations, int variationLevel, List <string> attributeNames, List <string> attributeValues)
{
if (groupVariations.Count == variationLevel)
{
return(null);
}
var groupVariation = groupVariations[variationLevel];
var variationProducts = FilterVariationProductsByAttributes(variations.Product.ToList(), 0, attributeNames, attributeValues);
var values = variationProducts.Select(p => p.CustomAttributes.ValueByName <string>(groupVariation.AttributeName, null)).Distinct(StringComparer.InvariantCultureIgnoreCase);
var options = new List <VariationsCollection.Option>();
foreach (var value in values)
{
var option = CreateOption(variationProducts, variations, groupVariation, value);
var attNames = new List <string>(attributeNames)
{
groupVariation.AttributeName
};
var attValues = new List <string>(attributeValues)
{
value
};
option.Variations = GetVariationsByAttributes(variations, id, groupVariations, variationLevel + 1, attNames, attValues);
if (option.Variations == null)
{
option.VariationProduct = GetProductByAttribute(variationProducts, groupVariation.AttributeName, value);
}
options.Add(option);
}
var result = new VariationsCollection.Variation
{
Id = groupVariation.Id + "_" + id,
Name = groupVariation.Id,
Options = options.ToArray()
};
return(result);
}
