/// <summary>
/// 判断是否匹配
/// </summary>
public bool IsMatched(ProductMatchParameters parameters, ProductMatchedData data)
{
// 获取规格的条件
// 格式 [ { PropertyId: ..., PropertyValueId: ... }, ... ]
var exceptedProperties = data.Conditions.GetProperties();
if (exceptedProperties == null || !exceptedProperties.Any())
{
return(true); // 没有指定条件
}
// 判断参数中的规格值列表是否包含条件中的所有规格值
// 例如 参数 { 颜色: 黑色, 尺码: XXS, 款式: 2013 }, 条件 { 颜色: 黑色, 尺码: XXS }时匹配成功
// 参数的格式同上
var incomeProperties = parameters.GetProperties();
if (incomeProperties == null || !incomeProperties.Any())
{
return(false); // 有指定条件，但参数中没有包含任何规格值
}
var incomePropertiesMapping = new Dictionary <long, long?>();
foreach (var obj in incomeProperties)
{
incomePropertiesMapping[obj.PropertyId] = obj.PropertyValueId;
}
return(exceptedProperties.All(obj => {
return incomePropertiesMapping.GetOrDefault(obj.PropertyId) == obj.PropertyValueId;
}));
}
/// <summary>
/// 获取描述，没有时返回null
/// </summary>
public string GetDescription(Database.Product product, ProductMatchParameters parameters)
{
var properties = parameters.GetProperties();
if (properties == null || properties.Count <= 0)
{
return(null);
}
var parts = new List <string>();
foreach (var productToPropertyValue in product.FindPropertyValuesFromPropertyParameters(properties))
{
parts.Add(string.Format("{0}: {1}",
new T(productToPropertyValue.Property.Name),
new T(productToPropertyValue.PropertyValueName)));
}
return(string.Join(" ", parts));
}
/// <summary>
/// 判断商品匹配参数是否部分相等
/// </summary>
public bool IsPartialEqual(
ProductMatchParameters lhs, ProductMatchParameters rhs)
{
var propertiesLhs = lhs.GetProperties();
var propertiesRhs = rhs.GetProperties();
if (propertiesLhs == null && propertiesRhs == null)
{
return(true);
}
else if (propertiesLhs == null || propertiesRhs == null)
{
return(false);
}
var disinctCount = propertiesLhs.Concat(propertiesRhs) // 计算并集去除重复后的大小
.Select(p => new Pair <long, long>(p.PropertyId, p.PropertyValueId)).Distinct().Count();
return(propertiesLhs.Count == disinctCount && propertiesLhs.Count == propertiesRhs.Count);
}