/// <summary>
/// 搜索
/// </summary>
public ActionResult Search()
{
//搜索词
string keyword = WebHelper.GetQueryString("keyword");
WorkContext.SearchWord = WebHelper.HtmlEncode(keyword);
if (keyword.Length == 0)
{
return(PromptView(WorkContext.UrlReferrer, "请输入搜索词"));
}
if (!SecureHelper.IsSafeSqlString(keyword))
{
return(PromptView(WorkContext.UrlReferrer, "您搜索的商品不存在"));
}
//异步保存搜索历史
Asyn.UpdateSearchHistory(WorkContext.Uid, keyword);
//判断搜索词是否为分类名称，如果是则重定向到分类页面
int cateId = Categories.GetCateIdByName(keyword);
if (cateId > 0)
{
return(Redirect(Url.Action("category", new RouteValueDictionary {
{ "cateId", cateId }
})));
}
else
{
cateId = WebHelper.GetQueryInt("cateId");
}
//分类列表
List <CategoryInfo> categoryList = null;
//分类信息
CategoryInfo categoryInfo = null;
//品牌列表
List <BrandInfo> brandList = null;
//品牌id
int brandId = Brands.GetBrandIdByName(keyword);
if (brandId > 0)//当搜索词为品牌名称时
{
//获取品牌相关的分类
categoryList = Brands.GetBrandCategoryList(brandId);
//由于搜索结果的展示是以分类为基础的，所以当分类不存在时直接将搜索结果设为“搜索的商品不存在”
if (categoryList.Count == 0)
{
return(PromptView(WorkContext.UrlReferrer, "您搜索的商品不存在"));
}
if (cateId > 0)
{
categoryInfo = Categories.GetCategoryById(cateId);
}
else
{
//当没有进行分类的筛选时，将分类列表中的首项设为当前选中的分类
categoryInfo = categoryList[0];
cateId = categoryInfo.CateId;
}
brandList = new List <BrandInfo>();
brandList.Add(Brands.GetBrandById(brandId));
}
else//当搜索词为商品关键词时
{
//获取商品关键词相关的分类
categoryList = Searches.GetCategoryListByKeyword(keyword);
//由于搜索结果的展示是以分类为基础的，所以当分类不存在时直接将搜索结果设为“搜索的商品不存在”
if (categoryList.Count == 0)
{
return(PromptView(WorkContext.UrlReferrer, "您搜索的商品不存在"));
}
if (cateId > 0)
{
categoryInfo = Categories.GetCategoryById(cateId);
}
else
{
categoryInfo = categoryList[0];
cateId = categoryInfo.CateId;
}
//根据商品关键词获取分类相关的品牌
brandList = Searches.GetCategoryBrandListByKeyword(cateId, keyword);
if (brandList.Count == 0)
{
return(PromptView(WorkContext.UrlReferrer, "您搜索的商品不存在"));
}
brandId = WebHelper.GetQueryInt("brandId");
}
//最后再检查一遍分类是否存在
if (categoryInfo == null)
{
return(PromptView(WorkContext.UrlReferrer, "您搜索的商品不存在"));
}
//筛选价格
int filterPrice = WebHelper.GetQueryInt("filterPrice");
//筛选属性
string filterAttr = WebHelper.GetQueryString("filterAttr");
//是否只显示有货
int onlyStock = WebHelper.GetQueryInt("onlyStock");
//排序列
int sortColumn = WebHelper.GetQueryInt("sortColumn");
//排序方向
int sortDirection = WebHelper.GetQueryInt("sortDirection");
//当前页数
int page = WebHelper.GetQueryInt("page");
//分类筛选属性及其值列表
List <KeyValuePair <AttributeInfo, List <AttributeValueInfo> > > cateAAndVList = Categories.GetCategoryFilterAAndVList(cateId);
//分类价格范围列表
string[] catePriceRangeList = StringHelper.SplitString(categoryInfo.PriceRange, "\r\n");
//筛选属性处理
List <int> attrValueIdList = new List <int>();
string[] filterAttrValueIdList = StringHelper.SplitString(filterAttr, "-");
if (filterAttrValueIdList.Length != cateAAndVList.Count)//当筛选属性和分类的筛选属性数目不对应时，重置筛选属性
{
if (cateAAndVList.Count == 0)
{
filterAttr = "0";
}
else
{
int count = cateAAndVList.Count;
StringBuilder sb = new StringBuilder();
for (int i = 0; i < count; i++)
{
sb.Append("0-");
}
filterAttr = sb.Remove(sb.Length - 1, 1).ToString();
}
}
else
{
foreach (string attrValueId in filterAttrValueIdList)
{
int temp = TypeHelper.StringToInt(attrValueId);
if (temp > 0)
{
attrValueIdList.Add(temp);
}
}
}
//分页对象
PageModel pageModel = new PageModel(20, page, Searches.GetSearchProductCount(keyword, cateId, brandId, filterPrice, catePriceRangeList, attrValueIdList, onlyStock));
//视图对象
SearchModel model = new SearchModel()
{
Word = keyword,
CateId = cateId,
BrandId = brandId,
FilterPrice = filterPrice,
FilterAttr = filterAttr,
OnlyStock = onlyStock,
SortColumn = sortColumn,
SortDirection = sortDirection,
CategoryList = categoryList,
CategoryInfo = categoryInfo,
BrandList = brandList,
CatePriceRangeList = catePriceRangeList,
AAndVList = cateAAndVList,
PageModel = pageModel,
ProductList = Searches.SearchProducts(pageModel.PageSize, pageModel.PageNumber, keyword, cateId, brandId, filterPrice, catePriceRangeList, attrValueIdList, onlyStock, sortColumn, sortDirection)
};
return(View(model));
}