/// <summary>
/// Read an order from the database
/// </summary>
/// <param name="orderId">Order Id</param>
/// <returns>All information about the order</returns>
public OrderInfo GetOrder(int orderId)
{
OrderInfo order = new OrderInfo();
//Create a parameter
SqlParameter parm = new SqlParameter(PARM_ORDER_ID, SqlDbType.Int);
parm.Value = orderId;
//Execute a query to read the order
using (SqlDataReader rdr = SqlHelper.ExecuteReader(SqlHelper.ConnectionStringOrderDistributedTransaction, CommandType.Text, SQL_SELECT_ORDER, parm)) {
if (rdr.Read()) {
//Generate an order header from the first row
AddressInfo billingAddress = new AddressInfo(rdr.GetString(5), rdr.GetString(6), rdr.GetString(7), rdr.GetString(8), rdr.GetString(9), rdr.GetString(10), rdr.GetString(11), rdr.GetString(12), null, "email");
AddressInfo shippingAddress = new AddressInfo(rdr.GetString(13), rdr.GetString(14), rdr.GetString(15), rdr.GetString(16), rdr.GetString(17), rdr.GetString(18), rdr.GetString(19), rdr.GetString(20), null, "email");
order = new OrderInfo(orderId, rdr.GetDateTime(0), rdr.GetString(1), null, billingAddress, shippingAddress, rdr.GetDecimal(21), null, null);
IList<LineItemInfo> lineItems = new List<LineItemInfo>();
LineItemInfo item = null;
//Create the lineitems from the first row and subsequent rows
do {
item = new LineItemInfo(rdr.GetString(22), string.Empty, rdr.GetInt32(23), rdr.GetInt32(24), rdr.GetDecimal(25));
lineItems.Add(item);
} while (rdr.Read());
order.LineItems = new LineItemInfo[lineItems.Count];
lineItems.CopyTo(order.LineItems, 0);
}
}
return order;
}
public void Insert(OrderInfo order)
{
StringBuilder strSQL = new StringBuilder();
// Get each commands parameter arrays
SqlParameter[] orderParms = GetOrderParameters();
SqlCommand cmd = new SqlCommand();
// Set up the parameters
orderParms[0].Value = order.UserId;
orderParms[1].Value = order.Date;
orderParms[2].Value = order.ShippingAddress.Address1;
orderParms[3].Value = order.ShippingAddress.Address2;
orderParms[4].Value = order.ShippingAddress.City;
orderParms[5].Value = order.ShippingAddress.State;
orderParms[6].Value = order.ShippingAddress.Zip;
orderParms[7].Value = order.ShippingAddress.Country;
orderParms[8].Value = order.BillingAddress.Address1;
orderParms[9].Value = order.BillingAddress.Address2;
orderParms[10].Value = order.BillingAddress.City;
orderParms[11].Value = order.BillingAddress.State;
orderParms[12].Value = order.BillingAddress.Zip;
orderParms[13].Value = order.BillingAddress.Country;
orderParms[14].Value = order.OrderTotal;
orderParms[15].Value = order.BillingAddress.FirstName;
orderParms[16].Value = order.BillingAddress.LastName;
orderParms[17].Value = order.ShippingAddress.FirstName;
orderParms[18].Value = order.ShippingAddress.LastName;
orderParms[19].Value = order.AuthorizationNumber.Value;
foreach (SqlParameter parm in orderParms)
cmd.Parameters.Add(parm);
// Create the connection to the database
using (SqlConnection conn = new SqlConnection(SqlHelper.ConnectionStringOrderDistributedTransaction)) {
// Insert the order status
strSQL.Append(SQL_INSERT_ORDER);
SqlParameter[] itemParms;
// For each line item, insert an orderline record
int i = 0;
foreach (LineItemInfo item in order.LineItems) {
strSQL.Append(SQL_INSERT_ITEM).Append(" @ID").Append(", @LineNumber").Append(i).Append(", @ItemId").Append(i).Append(", @Quantity").Append(i).Append(", @Price").Append(i).Append("); SELECT @ERR=@ERR+@@ERROR;");
//Get the cached parameters
itemParms = GetItemParameters(i);
itemParms[0].Value = item.Line;
itemParms[1].Value = item.ItemId;
itemParms[2].Value = item.Quantity;
itemParms[3].Value = item.Price;
//Bind each parameter
foreach (SqlParameter parm in itemParms)
cmd.Parameters.Add(parm);
i++;
}
conn.Open();
cmd.Connection = conn;
cmd.CommandType = CommandType.Text;
cmd.CommandText = strSQL.Append("SELECT @ID, @ERR").ToString();
// Read the output of the query, should return error count
using (SqlDataReader rdr = cmd.ExecuteReader(CommandBehavior.CloseConnection)) {
// Read the returned @ERR
rdr.Read();
// If the error count is not zero throw an exception
if (rdr.GetInt32(1) != 0)
throw new ApplicationException("DATA INTEGRITY ERROR ON ORDER INSERT - ROLLBACK ISSUED");
}
//Clear the parameters
cmd.Parameters.Clear();
}
}
