public int InsertOrder(Order order)
{
using (var connection = this.GetConnection())
{
var orderQueryObject = new OrderQueryObject();
var orderId = connection.Query<int>(orderQueryObject.InsertOrder(order)).First();
return orderId;
}
}
public QueryObject InsertOrder(Order order)
{
const string Sql = @"insert into [dbo].[Orders]
([CustomerID]
,[EmployeeID]
,[OrderDate]
,[RequiredDate]
,[ShippedDate]
,[ShipVia]
,[Freight]
,[ShipName]
,[ShipAddress]
,[ShipCity]
,[ShipRegion]
,[ShipPostalCode]
,[ShipCountry])
values
(@CustomerID,
@EmployeeID,
@OrderDate,
@RequiredDate,
@ShippedDate,
@ShipVia,
@Freight,
@ShipName,
@ShipAddress,
@ShipCity,
@ShipRegion,
@ShipPostalCode,
@ShipCountry);
select scope_identity()";
var parameters = new
{
order.CustomerID,
order.EmployeeID,
order.OrderDate,
order.RequiredDate,
order.ShippedDate,
order.ShipVia,
order.Freight,
order.ShipName,
order.ShipAddress,
order.ShipCity,
order.ShipRegion,
order.ShipPostalCode,
order.ShipCountry
};
return new QueryObject(Sql, parameters);
}
public IEnumerable<Order> CustOrderHist(string customerID)
{
var result = new List<Order>();
using (var connection = new SqlConnection(connectionsString))
{
var command = new SqlCommand("exec Northwind.CustOrderHist @cid", connection);
command.Parameters.AddWithValue("@cid", customerID);
connection.Open();
using (var reader = command.ExecuteReader())
{
Order order = new Order();
order.ProductName = reader.GetString(0);
order.Total = reader.GetInt32(1);
result.Add(order);
}
}
return result;
}
public bool AddOrder(Order order)
{
using (var connection = new SqlConnection(connectionsString))
{
var command = new SqlCommand(
"insert into Northwind.Orders (CustomerID, EmployeeID, OrderDate, RequiredDate, ShippedDate, Freight, ShipName) values(@cid, @empid, #orddate, @reqdate, @sdate, @fr, @sn)", connection);
command.Parameters.AddWithValue("@cid", order.CustomerID);
command.Parameters.AddWithValue("@empid", order.EmployeeID);
command.Parameters.AddWithValue("@orddate", order.OrderDate);
command.Parameters.AddWithValue("@reqdate", order.RequiredDate);
command.Parameters.AddWithValue("@sdate", order.ShippedDate);
command.Parameters.AddWithValue("@fr", order.Freight);
command.Parameters.AddWithValue("@sn", order.ShipName);
connection.Open();
return command.ExecuteNonQuery() == 1;
}
}
public QueryObject UpdateOrder(Order order)
{
const string Sql = @"update [dbo].[Orders]
set [CustomerID] = @CustomerID
,[EmployeeID] = @EmployeeID
,[OrderDate] = @OrderDate
,[RequiredDate] = @RequiredDate
,[ShippedDate] = @ShippedDate
,[ShipVia] = @ShipVia
,[Freight] = @Freight
,[ShipName] = @ShipName
,[ShipAddress] = @ShipAddress
,[ShipCity] = @ShipCity
,[ShipRegion] = @ShipRegion
,[ShipPostalCode] = @ShipPostalCode
,[ShipCountry] = @ShipCountry
where
OrderID = @OrderID
select @@ROWCOUNT";
var parameters = new
{
order.CustomerID,
order.EmployeeID,
order.OrderDate,
order.RequiredDate,
order.ShippedDate,
order.ShipVia,
order.Freight,
order.ShipName,
order.ShipAddress,
order.ShipCity,
order.ShipRegion,
order.ShipPostalCode,
order.ShipCountry,
order.OrderID
};
return new QueryObject(Sql, parameters);
}
public IEnumerable<Order> CustOrdersDetail(Guid orderID)
{
var result = new List<Order>();
using (var connection = new SqlConnection(connectionsString))
{
var command = new SqlCommand("exec Northwind.CustOrdersDetail @id", connection);
command.Parameters.AddWithValue("@id", orderID);
connection.Open();
using (var reader = command.ExecuteReader())
{
Order order = new Order();
order.ProductName = reader.GetString(0);
order.UnitPrice = reader.GetDouble(1);
order.Quantity = reader.GetInt32(2);
order.Discount = reader.GetDouble(3);
order.ExtendedPrice = reader.GetDouble(4);
result.Add(order);
}
}
return result;
}
public IEnumerable<Order> GetAll()
{
var result = new List<Order>();
using (var connection = new SqlConnection(connectionsString))
{
var command = new SqlCommand(
"select OrderID, CustomerID, EmployeeID, OrderDate, RequiredDate, ShippedDate, Freight, ShipName from Northwind.Orders", connection);
connection.Open();
using (var reader = command.ExecuteReader())
{
while (reader.Read())
{
var order = new Order(
reader.GetGuid(0), //OrderID
reader.GetString(1), //CustomerID
reader.GetInt32(2), //EmployeeID
reader.GetDateTime(3), //OrderDate
reader.GetDateTime(4), //RequiredDate
reader.GetDateTime(5), //ShippedDate
reader.GetDouble(6), //Freight
reader.GetString(7) //ShipName
);
if (reader.GetDateTime(3).ToString() == "NULL") order.OrderStatus = Order.Status.New;
else if (reader.GetDateTime(5).ToString() == "NULL") order.OrderStatus = Order.Status.InWork;
else order.OrderStatus = Order.Status.Executed;
result.Add(order);
}
}
}
return result;
}
public IEnumerable<Order> GetById(Guid id)
{
var result = new List<Order>();
using (var connection = new SqlConnection(connectionsString))
{
var command = new SqlCommand(
"select o.OrderID, o.CustomerID, o.EmployeeID, p.ProductID , p.ProductName, p.UnitPrice, ord.Quantity, ord.Discount from Northwind.Orders as o " +
"join Northwind.[Order Details] as ord on o.OrderID = ord.OrderID " +
"join Northwind.Products as p on ord.ProductID = p.ProductID " +
"where @id = o.OrderID", connection);
command.Parameters.AddWithValue("@id", id);
connection.Open();
using (var reader = command.ExecuteReader())
{
while (reader.Read())
{
Order order = new Order();
order.OrderID = reader.GetGuid(0);
order.CustomerID = reader.GetString(1);
order.EmployeeID = reader.GetInt32(2);
order.ProductID = reader.GetInt32(3);
order.ProductName = reader.GetString(4);
order.UnitPrice = reader.GetDouble(5);
order.Quantity = reader.GetInt32(6);
order.Discount = reader.GetDouble(7);
result.Add(order);
}
}
}
return result;
}
public int UpdateOrder(Order order)
{
if (order == null)
{
throw new ArgumentNullException("order");
}
if (order.OrderID <= 0)
{
throw new ArgumentException("OrderID is not valid.");
}
using (var connection = this.GetConnection())
{
var orderQueryObject = new OrderQueryObject();
var affectedRows = connection.Query<int>(orderQueryObject.UpdateOrder(order)).First();
return affectedRows;
}
}