/// <summary>
/// 清理缓存
/// </summary>
public virtual void ClearCache()
{
ProductApiInfoCache.Clear();
ProductSearchResultCache.Clear();
}
/// <summary>
/// 获取商品信息
/// 商品不存在时返回null，但商品已下架或等待销售时仍然返回信息
/// 结果会按商品Id和当前登录用户缓存一定时间
/// </summary>
/// <param name="productId">商品Id</param>
/// <returns></returns>
public virtual object GetProductApiInfo(long productId)
{
return(ProductApiInfoCache.GetOrCreate(productId, () =>
UnitOfWork.ReadData <Database.Product, object>(r => {
var product = r.GetByIdWhereNotDeleted(productId);
if (product == null)
{
return null; // 商品不存在
}
// 卖家信息
var seller = product.Seller;
// 类目信息
var productCategoryManager = Application.Ioc.Resolve <ProductCategoryManager>();
var category = product.Category;
// 相册信息
var productAlbumManager = Application.Ioc.Resolve <ProductAlbumManager>();
var mainImageWebPath = productAlbumManager.GetAlbumImageWebPath(
product.Id, null, ProductAlbumImageType.Normal);
var imageWebPaths = productAlbumManager.GetExistAlbumImageWebPaths(product.Id)
.Select(d => d.ToDictionary(p => p.Key.ToString(), p => p.Value)).ToList();
// 销售信息
var salesInfoDisplayFields = Application.Ioc.ResolveMany <IProductSalesInfoDisplayField>()
.Select(d => new { name = new T(d.Name), html = d.GetDisplayHtml(r.Context, product) })
.Where(d => !string.IsNullOrEmpty(d.html)).ToList();
// 分类和标签
var classes = product.Classes.Select(c => new { id = c.Id, name = c.Name }).ToList();
var tags = product.Tags.Select(t => new { id = t.Id, name = t.Name }).ToList();
var keywords = classes.Select(c => c.name).Concat(tags.Select(t => t.name)).ToList();
// 匹配数据
var matchedDataJson = JsonConvert.SerializeObject(
product.MatchedDatas.Select(d => new {
Conditions = d.Conditions,
Affects = d.Affects,
Price = d.Price,
PriceCurrency = d.PriceCurrency,
PriceCurrencyInfo = d.GetCurrency(),
Weight = d.Weight,
Stock = d.Stock,
MatchOrder = d.MatchOrder
}).OrderBy(d => d.MatchOrder));
// 销售和非销售属性
// 添加时遵守原有的显示顺序
var saleProperties = new List <object>();
var nonSaleProperties = new List <object>();
var groups = product.PropertyValues.GroupBy(p => p.Property.Id).Select(g => new {
property = g.First().Property,
propertyValues = g,
}).OrderBy(g => g.property.DisplayOrder);
foreach (var group in groups)
{
var obj = new {
property = new {
id = group.property.Id,
name = new T(group.property.Name)
},
values = group.propertyValues
.OrderBy(value =>
value.PropertyValue == null ? 0 : value.PropertyValue.DisplayOrder)
.Select(value => new {
id = value.PropertyValue == null ? null : (long?)value.PropertyValue.Id,
name = new T(value.PropertyValueName)
}).ToList()
};
(group.property.IsSalesProperty ? saleProperties : nonSaleProperties).Add(obj);
}
return new {
id = product.Id,
categoryId = category == null ? null : (long?)category.Id,
categoryName = category == null ? null : category.Name,
name = new T(product.Name),
introduction = product.Introduction,
type = product.Type,
typeName = new T(product.Type),
state = product.State,
stateName = new T(product.State),
stateText = new T(string.Format("Product is {0}", product.State)),
stateTrait = product.GetStateTrait(),
sellerId = seller == null ? null : (long?)seller.Id,
sellerName = seller == null ? null : seller.Username,
classes,
tags,
keywords,
mainImageWebPath,
imageWebPaths,
salesInfoDisplayFields,
matchedDataJson,
saleProperties,
nonSaleProperties
};
}), ProductApiInfoCacheTime));
}