/// <summary>
/// 搜索商品
/// </summary>
/// <param name="pageSize">每页数</param>
/// <param name="pageNumber">当前页数</param>
/// <param name="keyword">关键词</param>
/// <param name="cateId">分类id</param>
/// <param name="brandId">品牌id</param>
/// <param name="filterPrice">筛选价格</param>
/// <param name="catePriceRangeList">分类价格范围列表</param>
/// <param name="attrValueIdList">属性值id列表</param>
/// <param name="onlyStock">是否只显示有货</param>
/// <param name="sortColumn">排序列</param>
/// <param name="sortDirection">排序方向</param>
/// <returns></returns>
public List<PartProductInfo> SearchProducts(int pageSize, int pageNumber, string keyword, int cateId, int brandId, int filterPrice, string[] catePriceRangeList, List<int> attrValueIdList, int onlyStock, int sortColumn, int sortDirection)
{
StringBuilder commandText = new StringBuilder();
if (pageNumber == 1)
{
commandText.AppendFormat("SELECT TOP {1} [p].[pid],[p].[psn],[p].[cateid],[p].[brandid],[p].[skugid],[p].[name],[p].[shopprice],[p].[marketprice],[p].[costprice],[p].[state],[p].[isbest],[p].[ishot],[p].[isnew],[p].[displayorder],[p].[weight],[p].[showimg],[p].[salecount],[p].[visitcount],[p].[reviewcount],[p].[star1],[p].[star2],[p].[star3],[p].[star4],[p].[star5],[p].[addtime] FROM [{0}products] AS [p]", RDBSHelper.RDBSTablePre, pageSize);
if (onlyStock == 1)
commandText.AppendFormat(" LEFT JOIN [{0}productstocks] AS [ps] ON [p].[pid]=[ps].[pid]", RDBSHelper.RDBSTablePre);
commandText.AppendFormat(" LEFT JOIN [{0}productkeywords] AS [pk] ON [p].[pid]=[pk].[pid]", RDBSHelper.RDBSTablePre);
commandText.AppendFormat(" WHERE [p].[cateid]={0}", cateId);
if (brandId > 0)
commandText.AppendFormat(" AND [p].[brandid]={0}", brandId);
if (filterPrice > 0 && filterPrice <= catePriceRangeList.Length)
{
string[] priceRange = StringHelper.SplitString(catePriceRangeList[filterPrice - 1], "-");
if (priceRange.Length == 1)
commandText.AppendFormat(" AND [p].[shopprice]>='{0}'", priceRange[0]);
else if (priceRange.Length == 2)
commandText.AppendFormat(" AND [p].[shopprice]>='{0}' AND [p].[shopprice]<'{1}'", priceRange[0], priceRange[1]);
}
commandText.Append(" AND [p].[state]=0");
if (attrValueIdList.Count > 0)
{
commandText.Append(" AND [p].[pid] IN (SELECT [pa1].[pid] FROM");
for (int i = 0; i < attrValueIdList.Count; i++)
{
if (i == 0)
commandText.AppendFormat(" (SELECT [pid] FROM [{0}productattributes] WHERE [attrvalueid]={1}) AS [pa1]", RDBSHelper.RDBSTablePre, attrValueIdList[i]);
else
commandText.AppendFormat(" INNER JOIN (SELECT [pid] FROM [{0}productattributes] WHERE [attrvalueid]={1}) AS [pa{2}] ON [pa{2}].[pid]=[pa{3}].[pid]", RDBSHelper.RDBSTablePre, attrValueIdList[i], i + 1, i);
}
commandText.Append(")");
}
if (onlyStock == 1)
commandText.Append(" AND [ps].[number]>0");
commandText.AppendFormat(" AND [pk].[keyword]='{0}'", keyword);
commandText.Append(" ORDER BY ");
switch (sortColumn)
{
case 0:
commandText.Append("[pk].[relevancy]");
break;
case 1:
commandText.Append("[p].[salecount]");
break;
case 2:
commandText.Append("[p].[shopprice]");
break;
case 3:
commandText.Append("[p].[reviewcount]");
break;
case 4:
commandText.Append("[p].[addtime]");
break;
case 5:
commandText.Append("[p].[visitcount]");
break;
default:
commandText.Append("[pk].[relevancy]");
break;
}
switch (sortDirection)
{
case 0:
commandText.Append(" DESC");
break;
case 1:
commandText.Append(" ASC");
break;
default:
commandText.Append(" DESC");
break;
}
}
else
{
commandText.Append("SELECT [pid],[psn],[cateid],[brandid],[skugid],[name],[shopprice],[marketprice],[costprice],[state],[isbest],[ishot],[isnew],[displayorder],[weight],[showimg],[salecount],[visitcount],[reviewcount],[star1],[star2],[star3],[star4],[star5],[addtime] FROM");
commandText.Append(" (SELECT ROW_NUMBER() OVER (ORDER BY ");
switch (sortColumn)
{
case 0:
commandText.Append("[pk].[relevancy]");
break;
case 1:
commandText.Append("[p].[salecount]");
break;
case 2:
commandText.Append("[p].[shopprice]");
break;
case 3:
commandText.Append("[p].[reviewcount]");
break;
case 4:
commandText.Append("[p].[addtime]");
break;
case 5:
commandText.Append("[p].[visitcount]");
break;
default:
commandText.Append("[pk].[relevancy]");
break;
}
switch (sortDirection)
{
case 0:
commandText.Append(" DESC");
break;
case 1:
commandText.Append(" ASC");
break;
default:
commandText.Append(" DESC");
break;
}
commandText.AppendFormat(") AS [rowid],[p].[pid],[p].[psn],[p].[cateid],[p].[brandid],[p].[skugid],[p].[name],[p].[shopprice],[p].[marketprice],[p].[costprice],[p].[state],[p].[isbest],[p].[ishot],[p].[isnew],[p].[displayorder],[p].[weight],[p].[showimg],[p].[salecount],[p].[visitcount],[p].[reviewcount],[p].[star1],[p].[star2],[p].[star3],[p].[star4],[p].[star5],[p].[addtime] FROM [{0}products] AS [p]", RDBSHelper.RDBSTablePre);
if (onlyStock == 1)
commandText.AppendFormat(" LEFT JOIN [{0}productstocks] AS [ps] ON [p].[pid]=[ps].[pid]", RDBSHelper.RDBSTablePre);
commandText.AppendFormat(" LEFT JOIN [{0}productkeywords] AS [pk] ON [p].[pid]=[pk].[pid]", RDBSHelper.RDBSTablePre);
commandText.AppendFormat(" WHERE [p].[cateid]={0}", cateId);
if (brandId > 0)
commandText.AppendFormat(" AND [p].[brandid]={0}", brandId);
if (filterPrice > 0 && filterPrice <= catePriceRangeList.Length)
{
string[] priceRange = StringHelper.SplitString(catePriceRangeList[filterPrice - 1], "-");
if (priceRange.Length == 1)
commandText.AppendFormat(" AND [p].[shopprice]>='{0}'", priceRange[0]);
else if (priceRange.Length == 2)
commandText.AppendFormat(" AND [p].[shopprice]>='{0}' AND [p].[shopprice]<'{1}'", priceRange[0], priceRange[1]);
}
commandText.Append(" AND [p].[state]=0");
if (attrValueIdList.Count > 0)
{
commandText.Append(" AND [p].[pid] IN (SELECT [pa1].[pid] FROM");
for (int i = 0; i < attrValueIdList.Count; i++)
{
if (i == 0)
commandText.AppendFormat(" (SELECT [pid] FROM [{0}productattributes] WHERE [attrvalueid]={1}) AS [pa1]", RDBSHelper.RDBSTablePre, attrValueIdList[i]);
else
commandText.AppendFormat(" INNER JOIN (SELECT [pid] FROM [{0}productattributes] WHERE [attrvalueid]={1}) AS [pa{2}] ON [pa{2}].[pid]=[pa{3}].[pid]", RDBSHelper.RDBSTablePre, attrValueIdList[i], i + 1, i);
}
commandText.Append(")");
}
if (onlyStock == 1)
commandText.Append(" AND [ps].[number]>0");
commandText.AppendFormat(" AND [pk].[keyword]='{0}'", keyword);
commandText.Append(") AS [temp]");
commandText.AppendFormat(" WHERE [rowid] BETWEEN {0} AND {1}", pageSize * (pageNumber - 1) + 1, pageSize * pageNumber);
}
List<PartProductInfo> partProductList = new List<PartProductInfo>();
IDataReader reader = RDBSHelper.ExecuteReader(CommandType.Text, commandText.ToString());
while (reader.Read())
{
PartProductInfo partProductInfo = new PartProductInfo();
partProductInfo.Pid = TypeHelper.ObjectToInt(reader["pid"]);
partProductInfo.PSN = reader["psn"].ToString();
partProductInfo.CateId = TypeHelper.ObjectToInt(reader["cateid"]);
partProductInfo.BrandId = TypeHelper.ObjectToInt(reader["brandid"]);
partProductInfo.SKUGid = TypeHelper.ObjectToInt(reader["skugid"]);
partProductInfo.Name = reader["name"].ToString();
partProductInfo.ShopPrice = TypeHelper.ObjectToDecimal(reader["shopprice"]);
partProductInfo.MarketPrice = TypeHelper.ObjectToDecimal(reader["marketprice"]);
partProductInfo.CostPrice = TypeHelper.ObjectToDecimal(reader["costprice"]);
partProductInfo.State = TypeHelper.ObjectToInt(reader["state"]);
partProductInfo.IsBest = TypeHelper.ObjectToInt(reader["isbest"]);
partProductInfo.IsHot = TypeHelper.ObjectToInt(reader["ishot"]);
partProductInfo.IsNew = TypeHelper.ObjectToInt(reader["isnew"]);
partProductInfo.DisplayOrder = TypeHelper.ObjectToInt(reader["displayorder"]);
partProductInfo.Weight = TypeHelper.ObjectToInt(reader["weight"]);
partProductInfo.ShowImg = reader["showimg"].ToString();
partProductInfo.SaleCount = TypeHelper.ObjectToInt(reader["salecount"]);
partProductInfo.VisitCount = TypeHelper.ObjectToInt(reader["visitcount"]);
partProductInfo.ReviewCount = TypeHelper.ObjectToInt(reader["reviewcount"]);
partProductInfo.Star1 = TypeHelper.ObjectToInt(reader["star1"]);
partProductInfo.Star2 = TypeHelper.ObjectToInt(reader["star2"]);
partProductInfo.Star3 = TypeHelper.ObjectToInt(reader["star3"]);
partProductInfo.Star4 = TypeHelper.ObjectToInt(reader["star4"]);
partProductInfo.Star5 = TypeHelper.ObjectToInt(reader["star5"]);
partProductInfo.AddTime = TypeHelper.ObjectToDateTime(reader["addtime"]);
partProductList.Add(partProductInfo);
}
reader.Close();
return partProductList;
}
/// <summary>
/// 从IDataReader创建PartProductInfo
/// </summary>
public static PartProductInfo BuildPartProductFromReader(IDataReader reader)
{
PartProductInfo partProductInfo = new PartProductInfo();
partProductInfo.Pid = TypeHelper.ObjectToInt(reader["pid"]);
partProductInfo.PSN = reader["psn"].ToString();
partProductInfo.CateId = TypeHelper.ObjectToInt(reader["cateid"]);
partProductInfo.BrandId = TypeHelper.ObjectToInt(reader["brandid"]);
partProductInfo.SKUGid = TypeHelper.ObjectToInt(reader["skugid"]);
partProductInfo.Name = reader["name"].ToString();
partProductInfo.ShopPrice = TypeHelper.ObjectToDecimal(reader["shopprice"]);
partProductInfo.MarketPrice = TypeHelper.ObjectToDecimal(reader["marketprice"]);
partProductInfo.CostPrice = TypeHelper.ObjectToDecimal(reader["costprice"]);
partProductInfo.State = TypeHelper.ObjectToInt(reader["state"]);
partProductInfo.IsBest = TypeHelper.ObjectToInt(reader["isbest"]);
partProductInfo.IsHot = TypeHelper.ObjectToInt(reader["ishot"]);
partProductInfo.IsNew = TypeHelper.ObjectToInt(reader["isnew"]);
partProductInfo.DisplayOrder = TypeHelper.ObjectToInt(reader["displayorder"]);
partProductInfo.Weight = TypeHelper.ObjectToInt(reader["weight"]);
partProductInfo.ShowImg = reader["showimg"].ToString();
partProductInfo.SaleCount = TypeHelper.ObjectToInt(reader["salecount"]);
partProductInfo.VisitCount = TypeHelper.ObjectToInt(reader["visitcount"]);
partProductInfo.ReviewCount = TypeHelper.ObjectToInt(reader["reviewcount"]);
partProductInfo.Star1 = TypeHelper.ObjectToInt(reader["star1"]);
partProductInfo.Star2 = TypeHelper.ObjectToInt(reader["star2"]);
partProductInfo.Star3 = TypeHelper.ObjectToInt(reader["star3"]);
partProductInfo.Star4 = TypeHelper.ObjectToInt(reader["star4"]);
partProductInfo.Star5 = TypeHelper.ObjectToInt(reader["star5"]);
partProductInfo.AddTime = TypeHelper.ObjectToDateTime(reader["addtime"]);
return partProductInfo;
}