// use ordinals to speed up access to DataReader
// links:
// docLink: http://sql2x.org/documentationLink/327451c3-64a8-4de8-b359-76742d634497
// parameters:
// reader: IDataReader from SQLClient
public void Populate(IDataReader reader, ProductSearchByCategoryType1DataOrdinals ordinals)
{
if (!reader.IsDBNull(ordinals.ProductId))
{
ProductId = reader.GetGuid(ordinals.ProductId);
}
if (!reader.IsDBNull(ordinals.ProductName))
{
ProductName = reader.GetString(ordinals.ProductName);
}
if (!reader.IsDBNull(ordinals.Gtin13))
{
Gtin13 = reader.GetString(ordinals.Gtin13);
}
if (!reader.IsDBNull(ordinals.Color))
{
Color = reader.GetString(ordinals.Color);
}
}
/// <summary>Search products by category, result set 1</summary>
/// <cardinality>Many</cardinality>
public List <ProductSearchByCategoryType1Data> ProductSearchByCategoryType1(
Guid productCategoryId,
bool onParent
)
{
var ret = new List <ProductSearchByCategoryType1Data>();
string sql = @"
select
p.product_id
,p.product_name
,( select top 1 pid.identifier
from product_identifier as pid
where pid.product_id = p.product_id
and pid.product_identifier_rcd = 'gtin13'
) as gtin13
,( select top 1 pa.value
from product_attribute as pa
where pa.product_id = p.product_id
and pa.product_attribute_rcd = 'color'
) as color
from product as p
inner join product_category_mapping as pcm on pcm.product_id = p.product_id
inner join product_category as pc on pc.product_category_id = pcm.product_category_id
--realwhere
where pcm.product_category_id = @product_category_id
and p.product_became_id is null
";
if (onParent)
{
sql += " or pc.product_category_parent_id = @product_category_id\r\n";
}
sql += " order by p.product_name, gtin13\r\n";
using (var conn = new SqlConnection(ConfigurationManager.AppSettings["Conn"])) {
conn.Open();
using (var command = new SqlCommand(sql, conn)) {
command.Parameters.Add("@product_category_id", SqlDbType.UniqueIdentifier).Value = productCategoryId;
IDataReader reader = command.ExecuteReader(CommandBehavior.SingleResult);
var ordinals = new ProductSearchByCategoryType1DataOrdinals(reader);
while (reader.Read())
{
var data = new ProductSearchByCategoryType1Data();
data.Populate(reader, ordinals);
ret.Add(data);
}
reader.Close();
}
return(ret);
}
}
