/// <summary>
/// 获取二级分类下的子分类（获取三级）
/// </summary>
/// <param name="parent"></param>
/// <param name="cats"></param>
/// <returns></returns>
private List <TempCategory> GetChildTempCategoryList(TempCategory parent, CategoryItem[] cats, IEnumerable <TempCategory> location)
{
if (cats == null)
{
return(null);
}
List <TempCategory> list = new List <TempCategory>();
foreach (var cat in cats)
{
//本地数据库中副本
var dbItem = location.FirstOrDefault(p => p.Name.Equals(cat.Text, StringComparison.OrdinalIgnoreCase));
long newCatId = dbItem != null ? dbItem.CategoryId : Tools.NewId();
TempCategory category = new TempCategory
{
Link = cat.Link,
SiteCatId = cat.CatId,
Layer = parent.Layer + "," + newCatId.ToString(),
Name = cat.Text,
CategoryId = newCatId,
ParentId = parent.CategoryId,
Type = collectorType
};
list.Add(category);
}
return(list);
}
public TempMonitor GetTempMonitor(TempCategory tempCategory)
{
return(tempCategory switch
{
TempCategory.Warm => new TempMonitor(30, 45),
TempCategory.Fresh => new TempMonitor(16, 30),
TempCategory.Cold => new TempMonitor(6, 15),
TempCategory.Freezing => new TempMonitor(0, 5),
_ => throw new ArgumentOutOfRangeException(message: "Invalid Temperature Expresion", paramName: nameof(tempCategory)),
});
public IEnumerable <TempCategory> UpdateCategories()
{
List <TempCategory> categories = new List <TempCategory>();
//本地数据库存储的商品分类
var locationCategories = GetLocationCategories();
//一级分类
var first = GetFirstCategoryResult();
foreach (var cat in first.Data)
{
//本地数据库中副本
var dbItem = locationCategories.FirstOrDefault(p => p.Name.Equals(cat.Name, StringComparison.OrdinalIgnoreCase));
long newCatId = dbItem != null ? dbItem.CategoryId : Tools.NewId();
TempCategory category = new TempCategory
{
Link = cat.Link,
SiteCatId = cat.CatId,
Layer = newCatId.ToString(),
Name = cat.Name,
CategoryId = newCatId,
ParentId = 0,
Type = collectorType
};
var childUrl = categoryOption.ChildCategoriesDataUrl.Replace("#wh_id#", cat.Id);
var childData = GetChildCategoryResult(childUrl);
if (childData != null && childData.Data != null)
{
var child = GetChildTempCategoryList(category, childData.Data.Cats, locationCategories);
category.Child = child.ToArray();
}
categories.Add(category);
}
//更新本地商品分类
new DataService().UpdateCategories(categories);
return(categories);
}
/// <summary>
/// 这是专门为寻找分类准备的
/// </summary>
/// <param name="categoryId"></param>
/// <returns></returns>
TempCategory findTempCategory(long categoryId)
{
//定义查找方法
var find = Tools.Fix <TempCategory, TempCategory>(f => (cat) =>
{
TempCategory temp = null;
if (cat.CategoryId == categoryId)
{
temp = cat;
}
else if (cat.Child != null)
{
foreach (var c in cat.Child)
{
temp = f(c);
if (temp != null)
{
break;
}
}
}
return(temp);
});
TempCategory result = null;
foreach (var cat in Categories)
{
result = find(cat);
if (result != null)
{
break;
}
}
return(result);
}
