/// <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>
/// 转换到数据库使用的集合
/// </summary>
/// <param name="values">编辑后的商品匹配数据列表</param>
/// <param name="product">商品</param>
/// <returns></returns>
public static ISet <ProductMatchedData> ToDatabaseSet(
this List <ProductMatchedDataForEdit> values, Database.Product product)
{
if (values == null)
{
return(new HashSet <ProductMatchedData>());
}
long matchOrder = 0;
return(new HashSet <ProductMatchedData>(values.Select(v => {
// 部分特殊字段需要手动设置字段中
var data = new ProductMatchedData()
{
Product = product,
Conditions = v.Conditions,
Affects = v.Affects,
Price = v.Affects.GetOrDefault <decimal?>("Price"),
PriceCurrency = v.Affects.GetOrDefault <string>("PriceCurrency"),
Weight = v.Affects.GetOrDefault <decimal?>("Weight"),
Stock = v.Affects.GetOrDefault <long?>("Stock"),
MatchOrder = matchOrder++,
Remark = v.Affects.GetOrDefault <string>("Remark")
};
return data;
})));
}
/// <summary>
/// 判断是否匹配
/// </summary>
public bool IsMatched(ProductMatchParameters parameters, ProductMatchedData data)
{
// 获取订购数量的条件
var orderCountGE = data.Conditions.GetOrderCountGE();
if (orderCountGE == null || orderCountGE <= 1)
{
return(true); // 没有指定条件
}
// 判断订购数量是否大于条件中指定的数量
var orderCount = parameters.GetOrderCount();
return(orderCount >= orderCountGE.Value);
}
/// <summary>
/// 减少匹配数据中的库存
/// 有可能会减到负数但不会失败
/// </summary>
/// <param name="matchedData">匹配数据</param>
/// <param name="delta">减少值</param>
public static void ReduceStock(this ProductMatchedData matchedData, long delta)
{
matchedData.Stock -= delta;
matchedData.Affects["Stock"] = matchedData.Stock;
}
/// <summary>
/// 获取货币信息
/// 没有设置时返回默认货币信息
/// </summary>
/// <param name="data">商品匹配数据</param>
/// <returns></returns>
public static ICurrency GetCurrency(this ProductMatchedData data)
{
var currencyManager = Application.Ioc.Resolve <CurrencyManager>();
return(currencyManager.GetCurrency(data.PriceCurrency) ?? currencyManager.GetDefaultCurrency());
}
