/// <summary>
/// This function loads the elements of the MyOrders.xml file.
/// </summary>
/// <param name="OrderList">This parameter is a list of ShoppingCard class.</param>
/// <returns> This function does not return a value </returns>
public static void LoadOrder(List <ShoppingCard> OrderList)
{
if (!File.Exists(@"data/MyOrders.xml"))
{
XmlTextWriter writer = new XmlTextWriter(@"data/MyOrders.xml", System.Text.Encoding.UTF8);
writer.WriteStartDocument(true);
writer.Formatting = Formatting.Indented;
writer.Indentation = 2;
writer.WriteStartElement("Orders");
writer.WriteEndElement();
writer.WriteEndDocument();
writer.Close();
return;
}
XDocument xDoc = XDocument.Load(@"data/MyOrders.xml");
XElement OrderRootElement = xDoc.Root;
NumberFormatInfo info = new NumberFormatInfo();
info.NumberDecimalSeparator = ".";
foreach (XElement order in OrderRootElement.Elements())
{
string customerID = order.FirstAttribute.Value;
double amount = Convert.ToDouble(order.Element("PaymentAmount").Value, info);
PaymentType type = PaymentType.cash;
if (order.Element("PaymentType").Value == "creditcard")
{
type = PaymentType.creditcard;
}
else if (order.Element("PaymentType").Value == "transfer")
{
type = PaymentType.transfer;
}
OrderStatus orderStatus = OrderStatus.canceled;
if (order.Element("OrderStatus").Value == "received")
{
orderStatus = OrderStatus.received;
}
else if (order.Element("OrderStatus").Value == "shipped")
{
orderStatus = OrderStatus.shipped;
}
else if (order.Element("OrderStatus").Value == "waitForShip")
{
orderStatus = OrderStatus.waitForShip;
}
int cargoamount = Convert.ToInt32(order.Element("CargoAmount").Value);
int oid = Convert.ToInt32(order.LastAttribute.Value);
List <ItemToPurchase> tempitemsToPurchase = new List <ItemToPurchase>();
XElement itemToPurchaseRootElement = order.Element("ItemToPurchaseList");
foreach (XElement item in itemToPurchaseRootElement.Elements())
{
ItemToPurchase itemToPurchase = new ItemToPurchase();
string id = item.Element("id").Value;
string name = item.Element("name").Value;
double price = Convert.ToDouble(item.Element("price").Value, info);
int quantity = Convert.ToInt32(item.Element("quantity").Value);
Image image = UtilConvert.Base64ToImage(item.Element("image").Value);
Creator c;
if (item.FirstAttribute.Value == "Book")
{
c = new BookFactory(name, id, price, "", "", "", 0, image);
itemToPurchase.Product = c.FactoryMethod();
itemToPurchase.Quantity = quantity;
tempitemsToPurchase.Add(itemToPurchase);
}
else if (item.FirstAttribute.Value == "Magazine")
{
c = new MagazineFactory(name, id, price, "", Magazine_Type.Actual, image);
itemToPurchase.Product = c.FactoryMethod();
itemToPurchase.Quantity = quantity;
tempitemsToPurchase.Add(itemToPurchase);
}
else
{
c = new MusicCdFactory(name, id, price, "", MusicCD_Type.Country, image);
itemToPurchase.Product = c.FactoryMethod();
itemToPurchase.Quantity = quantity;
tempitemsToPurchase.Add(itemToPurchase);
}
}
ShoppingCard _order = new ShoppingCard();
_order.itemsToPurchase = tempitemsToPurchase;
_order.PaymentAmount = amount;
_order.CustomerID = customerID;
_order.Type = type;
_order.Status = orderStatus;
_order.CargoAmount = cargoamount;
_order.OID = oid;
OrderList.Add(_order);
}
}
/// <summary>
/// This function loads the elements of the ShoppingCard.xml file.
/// </summary>
/// <param name="shoppingCardList">This parameter is a list of ShoppingCard class.</param>
/// <returns> This function does not return a value </returns>
public static void Load(List <ShoppingCard> shoppingCardList)
{
if (!File.Exists(@"data/ShoppingCard.xml"))
{
XmlTextWriter writer = new XmlTextWriter(@"data/ShoppingCard.xml", System.Text.Encoding.UTF8);
writer.WriteStartDocument(true);
writer.Formatting = Formatting.Indented;
writer.Indentation = 2;
writer.WriteStartElement("ShoppingCards");
writer.WriteEndElement();
writer.WriteEndDocument();
writer.Close();
return;
}
XDocument xDoc = XDocument.Load(@"data/ShoppingCard.xml");
XElement shoppingCardRootElement = xDoc.Root;
NumberFormatInfo info = new NumberFormatInfo();
info.NumberDecimalSeparator = ".";
foreach (XElement shoppingCard in shoppingCardRootElement.Elements())
{
string customerID = shoppingCard.FirstAttribute.Value;
double amount = Convert.ToDouble(shoppingCard.Element("PaymentAmount").Value, info);
PaymentType type = PaymentType.cash;
if (shoppingCard.Element("PaymentType").Value == "creditcard")
{
type = PaymentType.creditcard;
}
List <ItemToPurchase> tempitemsToPurchase = new List <ItemToPurchase>();
XElement itemToPurchaseRootElement = shoppingCard.Element("ItemToPurchaseList");
foreach (XElement item in itemToPurchaseRootElement.Elements())
{
ItemToPurchase itemToPurchase = new ItemToPurchase();
string classType = item.FirstAttribute.Value;
string ID = item.Element("id").Value;
string name = item.Element("name").Value;
double price = Convert.ToDouble(item.Element("price").Value, info);
Image image = UtilConvert.Base64ToImage(item.Element("image").Value);
Creator c;
if (classType == "Book")
{
c = new BookFactory(name, ID, price, "", "", "", 0, image);
itemToPurchase.Product = c.FactoryMethod();
}
else if (classType == "Magazine")
{
c = new MagazineFactory(name, ID, price, "", Magazine_Type.Actual, image);
itemToPurchase.Product = c.FactoryMethod();
}
else
{
c = new MusicCdFactory(name, ID, price, "", MusicCD_Type.Country, image);
itemToPurchase.Product = c.FactoryMethod();
}
itemToPurchase.Quantity = Int32.Parse(item.Element("quantity").Value);
tempitemsToPurchase.Add(itemToPurchase);
}
ShoppingCard shoppCard = new ShoppingCard();
shoppCard.itemsToPurchase = tempitemsToPurchase;
shoppCard.PaymentAmount = amount;
shoppCard.CustomerID = customerID;
shoppCard.Type = type;
shoppingCardList.Add(shoppCard);
}
}
/// <summary>
/// This function loads the elements of the ProductList.xml file.
/// </summary>
/// <param name="productList">This parameter is a list of Product class.</param>
/// <returns> This function does not return a value </returns>
public static void Load(List <Product> productList)
{
if (!File.Exists(@"data/ProductList.xml"))
{
XmlTextWriter writer = new XmlTextWriter(@"data/ProductList.xml", System.Text.Encoding.UTF8);
writer.WriteStartDocument(true);
writer.Formatting = Formatting.Indented;
writer.Indentation = 2;
writer.WriteStartElement("Products");
writer.WriteEndElement();
writer.WriteEndDocument();
writer.Close();
return;
}
XDocument xDoc = XDocument.Load(@"data/ProductList.xml");
XElement rootElement = xDoc.Root;
foreach (XElement product in rootElement.Elements())
{
Creator c;
string classType = product.FirstAttribute.Value;
NumberFormatInfo info = new NumberFormatInfo();
info.NumberDecimalSeparator = ".";
string name = product.Element("Name").Value;
string id = product.LastAttribute.Value;
double price = Convert.ToDouble(product.Element("Price").Value, info);
Image image = UtilConvert.Base64ToImage(product.Element("Image").Value);
if (classType == "Book")
{
string isbn = product.Element("ISBN").Value;
string author = product.Element("Author").Value;
string publisher = product.Element("Publisher").Value;
int pages = Convert.ToInt32(product.Element("Pages").Value);
c = new BookFactory(name, id, price, isbn, author, publisher, pages, image);
}
else if (classType == "Magazine")
{
string issue = product.Element("Issue").Value;
Magazine_Type type = Magazine_Type.Actual;
switch (product.Element("MagazineType").Value)
{
case "Computer":
type = Magazine_Type.Computer;
break;
case "News":
type = Magazine_Type.News;
break;
case "Sport":
type = Magazine_Type.Sport;
break;
case "Technology":
type = Magazine_Type.Technology;
break;
default:
break;
}
c = new MagazineFactory(name, id, price, issue, type, image);
}
else
{
string singer = product.Element("Singer").Value;
MusicCD_Type type = MusicCD_Type.Country;
switch (product.Element("MusicCDType").Value)
{
case "HardRock":
type = MusicCD_Type.HardRock;
break;
case "Romance":
type = MusicCD_Type.Romance;
break;
default:
break;
}
c = new MusicCdFactory(name, id, price, singer, type, image);
}
productList.Add(c.FactoryMethod());
}
}