narsil/Tanshu.Accounts.SqlDAO/ProductDAO.cs

185 lines
9.0 KiB
C#

using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using Tanshu.Accounts.Contracts;
using Tanshu.Data.DAO;
using System.Data;
namespace Tanshu.Accounts.SqlDAO
{
public class ProductDAO : BaseDAO
{
public ProductDAO(IConnectionDAO connection)
: base(connection)
{ }
public bool Insert(ProductBO product)
{
product.ProductID = Guid.NewGuid();
SqlCommand cmd = new SqlCommand(@"
SELECT @Code = ISNULL(MAX(Code), 0) + 1 FROM Products;
INSERT INTO Products (ProductID, Code, Name, ShortName, BarCode, Units, ProductGroupID, VatID ,SalePrice , ServiceTaxID , Discontinued, MinimumLevel, MaximumLevel, SortOrder) VALUES (@ProductID, @Code, @Name, '', '', @Units, @ProductGroupID, @VatID, @SalePrice ,@ServiceTaxID ,@Discontinued, @MinimumLevel, @MaximumLevel, @SortOrder);");
{
cmd.Parameters.AddWithValue("@ProductID", product.ProductID);
cmd.Parameters.Add("@Code", SqlDbType.Int);
cmd.Parameters["@Code"].Direction = ParameterDirection.Output;
cmd.Parameters.AddWithValue("@Name", product.Name);
cmd.Parameters.AddWithValue("@Units", product.Units);
cmd.Parameters.AddWithValue("@ProductGroupID", product.ProductGroupID);
cmd.Parameters.AddWithValue("@VatID", product.VatID);
cmd.Parameters.AddWithValue("@SalePrice", product.SalePrice);
cmd.Parameters.AddWithValue("@ServiceTaxID", product.ServiceTaxID);
cmd.Parameters.AddWithValue("@Discontinued", product.Discontinued);
cmd.Parameters.AddWithValue("@MinimumLevel", product.MinimumLevel);
cmd.Parameters.AddWithValue("@MaximumLevel", product.MaximumLevel);
cmd.Parameters.AddWithValue("@SortOrder", product.SortOrder);
connection.ExecuteNonQuery(cmd);
product.Code = (int)cmd.Parameters["@Code"].Value;
return true;
}
}
public ProductBO GetProduct(Guid productID)
{
SqlCommand cmd = new SqlCommand("SELECT * FROM Products WHERE ProductID = @ProductID");
cmd.Parameters.AddWithValue("@ProductID", productID);
return BusinessObjectDAO<ProductBO>.GetBusinessObject(connection.ExecuteReader(cmd));
}
public bool Delete(Guid productID)
{
SqlCommand cmd = new SqlCommand("DELETE FROM Products WHERE ProductID = @ProductID");
cmd.Parameters.AddWithValue("@ProductID", productID);
connection.ExecuteNonQuery(cmd);
return true;
}
public bool Update(ProductBO product)
{
SqlCommand cmd = new SqlCommand(@"UPDATE Products SET Code = @Code ,Name = @Name ,Units = @Units ,ProductGroupID = @ProductGroupID ,VatID = @VatID ,SalePrice = @SalePrice ,ServiceTaxID = @ServiceTaxID ,Discontinued = @Discontinued ,MinimumLevel = @MinimumLevel ,MaximumLevel = @MaximumLevel, SortOrder=@SortOrder WHERE ProductID = @ProductID;");
cmd.Parameters.AddWithValue("@ProductID", product.ProductID);
cmd.Parameters.AddWithValue("@Code", product.Code);
cmd.Parameters.AddWithValue("@Name", product.Name);
cmd.Parameters.AddWithValue("@Units", product.Units);
cmd.Parameters.AddWithValue("@ProductGroupID", product.ProductGroupID);
cmd.Parameters.AddWithValue("@VatID", product.VatID);
cmd.Parameters.AddWithValue("@SalePrice", product.SalePrice);
cmd.Parameters.AddWithValue("@ServiceTaxID", product.ServiceTaxID);
cmd.Parameters.AddWithValue("@Discontinued", product.Discontinued);
cmd.Parameters.AddWithValue("@MinimumLevel", product.MinimumLevel);
cmd.Parameters.AddWithValue("@MaximumLevel", product.MaximumLevel);
cmd.Parameters.AddWithValue("@SortOrder", product.SortOrder);
connection.ExecuteNonQuery(cmd);
return true;
}
public ProductBO GetProduct(string nameAndUnits)
{
SqlCommand cmd = new SqlCommand("SELECT * FROM Products WHERE Name + ' (' + Units + ')' = @Name");
cmd.Parameters.AddWithValue("@Name", nameAndUnits);
return BusinessObjectDAO<ProductBO>.GetBusinessObject(connection.ExecuteReader(cmd));
}
public List<ProductDisplayBO> GetProducts()
{
//SELECT p.ProductID, p.Picture, p.Code, p.Name, p.Units, p.ProductGroupID, p.VatID, p.SalePrice, p.ServiceTaxID, p.Discontinued, p.MinimumLevel, p.MaximumLevel, p.SortOrder, pt.Name AS Type FROM Products p INNER JOIN ProductGroups pt ON p.ProductGroupID = pt.ProductGroupID ORDER BY p.Name
SqlCommand cmd = new SqlCommand("SELECT p.ProductID, p.Picture, p.Code, p.Name, p.Units, p.ProductGroupID, p.VatID, p.SalePrice, p.ServiceTaxID, p.Discontinued, p.MinimumLevel, p.MaximumLevel, p.SortOrder, pt.Name AS Type FROM Products p INNER JOIN ProductGroups pt ON p.ProductGroupID = pt.ProductGroupID ORDER BY p.Name");
return BusinessObjectDAO<ProductDisplayBO>.GetBusinessObjects(connection.ExecuteReader(cmd));
}
public List<ProductDisplaySmallBO> GetFilteredProducts(Dictionary<string, string> filter)
{
List<ProductDisplaySmallBO> list = new List<ProductDisplaySmallBO>();
string query = GetProductQuery(filter);
using (IDataReader dr = connection.ExecuteReader(query))
{
while (dr.Read())
{
list.Add(new ProductDisplaySmallBO
{
Category = dr.GetString(4),
Code = dr.GetInt32(1),
Name = dr.GetString(2),
Price = dr.GetDecimal(3),
ProductID = dr.GetGuid(0)
});
}
dr.Close();
}
return list;
}
private string GetProductQuery(Dictionary<string, string> filter)
{
string query = @"
SELECT p.ProductID, p.Code, p.Name + ' (' + p.Units + ') ' + ShortName AS Name,
p.SalePrice * (1 + t.Rate) AS Price,
pt.Name AS Category
FROM Products p INNER JOIN Tax t ON p.VatID = t.TaxID
INNER JOIN ProductGroups pt ON p.ProductGroupID = pt.ProductGroupID
WHERE pt.IsForSale = 1 AND p.SalePrice > 0 AND p.Discontinued = 0
";
string[] n = filter["Name"].Split(" ".ToCharArray());
foreach (string n1 in n)
if (n1 != null && n1 != string.Empty)
query += string.Format("AND p.Name + ' (' + p.Units + ') ' + ShortName LIKE '%{0}%' \r\n", n1);
n = filter["Type"].ToLower().Split(" ".ToCharArray());
foreach (string n1 in n)
if (n1 != null && n1 != string.Empty)
query += string.Format("AND pt.Name LIKE '%{0}%' \r\n", n1);
query += "ORDER BY p.SortOrder DESC;";
return query;
}
public void UpdateShortName()
{
List<ProductBO> list = BusinessObjectDAO<ProductBO>.GetBusinessObjects(connection.ExecuteReader("SELECT * FROM Products"));
foreach (var item in list)
{
using (SqlCommand cmd = new SqlCommand("UPDATE Products SET ShortName = @ShortName WHERE ProductID = @ProductID AND ShortName <> @ShortName"))
{
cmd.Parameters.AddWithValue("@ShortName", GetShortName(item.Name));
cmd.Parameters.AddWithValue("@ProductID", item.ProductID);
connection.ExecuteScalar(cmd);
}
}
}
private string GetShortName(string name)
{
string[] t1 = name.Split(" ".ToCharArray());
if (t1.Length == 0)
return "";
name = "";
foreach (string t in t1)
{
if ((!t.StartsWith("(")) && (t != ""))
name += t.Substring(0, 1);
}
return name;
}
public List<ProductGroupBO> GetProductGroups()
{
SqlCommand cmd = new SqlCommand("SELECT * FROM ProductGroups ORDER BY Name");
return BusinessObjectDAO<ProductGroupBO>.GetBusinessObjects(connection.ExecuteReader(cmd));
}
public List<ProductDisplayBO> GetProducts(string name, int skip, int count)
{
string query = @"
WITH ProductsRN AS
(SELECT *, ROW_NUMBER() OVER(ORDER BY Name) AS RowNum FROM Products WHERE Name LIKE '%{0}%')
SELECT TOP {1} p.*, pt.Name AS Type FROM ProductsRN p INNER JOIN ProductGroups pt ON p.ProductGroupID = pt.ProductGroupID WHERE RowNum > {2}
";
query = string.Format(query, name, count, skip);
return BusinessObjectDAO<ProductDisplayBO>.GetBusinessObjects(connection.ExecuteReader(query));
}
public List<TaxBO> GetTaxes()
{
return BusinessObjectDAO<TaxBO>.GetBusinessObjects(connection.ExecuteReader("SELECT * FROM Tax;"));
}
}
}