/// <summary>
/// Method to retrieve and cache category name by its ID
/// </summary>
/// <param name="categoryId">Category id</param>
/// <returns>Category name</returns>
public static string GetCategoryName(string categoryId)
{
if (!enableCaching)
{
string categoryName = String.Empty;
using (var context = new PetShopDataContext())
{
categoryName = context.Category.GetByKey(categoryId).Name;
}
return categoryName;
}
string cacheKey = string.Format(CATEGORY_NAME_KEY, categoryId);
// Check if the data exists in the data cache
var data = (string) HttpRuntime.Cache[cacheKey];
if (data == null)
{
// Caching duration from Web.config
int cacheDuration = int.Parse(ConfigurationManager.AppSettings["CategoryCacheDuration"]);
// If the data is not in the cache then fetch the data from the business logic tier
using (var context = new PetShopDataContext())
{
data = context.Category.GetByKey(categoryId).Name;
}
// Store the output in the data cache, and Add the necessary AggregateCacheDependency object
HttpRuntime.Cache.Add(cacheKey, data, null, DateTime.Now.AddHours(cacheDuration),
Cache.NoSlidingExpiration, CacheItemPriority.High, null);
}
return data;
}
/// <summary>
/// Update profile
/// </summary>
protected void btnSubmit_Click(object sender, EventArgs e)
{
using (var context = new PetShopDataContext())
{
var options = new DataLoadOptions();
options.LoadWith<Profile>(p => p.AccountList);
context.LoadOptions = options;
var profile = context.Profile.GetProfile(User.Identity.Name);
if (!string.IsNullOrEmpty(profile.Username) && AddressForm.IsValid)
{
if (profile.AccountList.Count > 0)
{
Account account = profile.AccountList[0];
UpdateAccount(ref account, AddressForm.Address);
}
else
{
var account = new Account();
profile.AccountList.Add(account);
account.UniqueID = profile.UniqueID;
UpdateAccount(ref account, AddressForm.Address);
}
context.SubmitChanges();
}
}
lblMessage.Text = "Your profile information has been successfully updated.<br> ";
}
/// <summary>
/// Calculate total
/// </summary>
protected void BtnTotal_Click(object sender, ImageClickEventArgs e)
{
using (var context = new PetShopDataContext())
{
var profile = context.Profile.GetProfile(Page.User.Identity.Name);
if (!string.IsNullOrEmpty(profile.Username))
{
TextBox txtQuantity;
ImageButton btnDelete;
int qty = 0;
foreach (RepeaterItem row in repShoppingCart.Items)
{
txtQuantity = (TextBox)row.FindControl("txtQuantity");
btnDelete = (ImageButton)row.FindControl("btnDelete");
if (int.TryParse(WebUtility.InputText(txtQuantity.Text, 10), out qty))
{
if (qty > 0)
CartHelper.SetQuantity(profile.ShoppingCart, btnDelete.CommandArgument, qty);
else if (qty == 0)
CartHelper.Remove(profile.ShoppingCart, btnDelete.CommandArgument);
}
}
}
}
BindCart();
}
protected void Page_PreInit(object sender, EventArgs e)
{
if (!IsPostBack)
{
string itemId = Request.QueryString["addItem"];
if (!string.IsNullOrEmpty(itemId))
{
Profile profile = null;
using (var context = new PetShopDataContext())
{
profile = context.Profile.GetProfile(Page.User.Identity.Name);
if (profile != null)
profile.Detach();
}
if (profile != null && !string.IsNullOrEmpty(profile.Username))
{
CartHelper.Add(profile.WishList, itemId, profile.UniqueID, false);
}
// Redirect to prevent duplictations in the wish list if user hits "Refresh"
Response.Redirect("~/WishList.aspx", true);
}
}
}
public void CreateProfile()
{
Stopwatch watch = Stopwatch.StartNew();
var profile = new Profile();
profile.Username = NAME;
profile.ApplicationName = PetShopConstants.APPLICATION_NAME;
profile.IsAnonymous = false;
profile.LastActivityDate = DateTime.Now;
profile.LastUpdatedDate = DateTime.Now;
try
{
using (var context = new PetShopDataContext())
{
context.Profile.InsertOnSubmit(profile);
context.SubmitChanges();
}
}
catch (Exception ex)
{
Assert.Fail(ex.Message);
}
Assert.IsTrue(true);
Console.WriteLine("Time: {0} ms", watch.ElapsedMilliseconds);
}
/// <summary>
/// Bind repeater to Cart object in Profile
/// </summary>
private void BindCart()
{
using (var context = new PetShopDataContext())
{
var profile = context.Profile.GetProfile(Page.User.Identity.Name);
if (!string.IsNullOrEmpty(profile.Username))
{
List<Cart> items = profile.ShoppingCart;
items.ForEach(i => i.Detach());
if (items.Count > 0)
{
repShoppingCart.DataSource = items;
repShoppingCart.DataBind();
PrintTotal();
plhTotal.Visible = true;
}
else
{
repShoppingCart.Visible = false;
plhTotal.Visible = false;
lblMsg.Text = "Your cart is empty.";
}
}
}
}
public static void ClearCart(List<Cart> items)
{
using (var context = new PetShopDataContext())
{
context.Cart.AttachAll(items);
context.Cart.DeleteAllOnSubmit(items);
context.SubmitChanges();
}
}
// Bind categories
private void BindCategories()
{
using (var context = new PetShopDataContext())
{
rePCategories.DataSource = context.Category.OrderBy(c => c.Name).FromCache().ToList();
}
rePCategories.DataBind();
}
public static void SetQuantity(List<Cart> items, string itemId, int quantity)
{
var item = items.FirstOrDefault(i => i.ItemId == itemId);
using (var context = new PetShopDataContext())
{
context.Cart.Attach(item);
item.Quantity = quantity;
context.SubmitChanges();
}
}
protected Inventory GetInventory(string itemId)
{
var inventory = new Inventory();
using( var context = new PetShopDataContext())
{
inventory = context.Inventory.GetByKey(itemId);
inventory.Detach();
}
return inventory;
}
protected void Page_Load(object sender, EventArgs e)
{
if (billingForm.Address == null)
{
using (var context = new PetShopDataContext())
{
var profile = context.Profile.GetProfile(User.Identity.Name);
billingForm.Address = new Address(profile);
}
}
}
/// <summary>
/// Recalculate the total
/// </summary>
private void PrintTotal()
{
using (var context = new PetShopDataContext())
{
var profile = context.Profile.GetProfile(Page.User.Identity.Name);
if (!string.IsNullOrEmpty(profile.Username))
{
if (profile.ShoppingCart.Count > 0)
ltlTotal.Text = CartHelper.GetTotal(profile.ShoppingCart).ToString("c");
}
}
}
public static void MoveToCart(Profile profile, string itemId)
{
var item = profile.WishList.FirstOrDefault(i => i.ItemId == itemId);
using (var context = new PetShopDataContext())
{
context.Cart.Attach(item);
item.IsShoppingCart = true;
context.SubmitChanges();
}
profile.WishList.Remove(item);
profile.ShoppingCart.Add(item);
}
public void FetchProfile()
{
Stopwatch watch = Stopwatch.StartNew();
Profile profile = null;
using (var context = new PetShopDataContext())
{
profile = context.Profile.GetProfile(NAME);
profile.Detach();
}
Assert.IsTrue(profile.Username == NAME);
Console.WriteLine("Time: {0} ms", watch.ElapsedMilliseconds);
}
/// <summary>
/// Rebind control
/// </summary>
protected void PageChanged(object sender, DataGridPageChangedEventArgs e)
{
//reset index
productsList.CurrentPageIndex = e.NewPageIndex;
//get category id
string categoryId = Request.QueryString["categoryId"];
//bind data(
using (var context = new PetShopDataContext())
{
productsList.DataSource = context.Product.ByCategoryId(categoryId).ToList();
}
productsList.DataBind();
}
/// <summary>
/// Rebind control
/// </summary>
protected void PageChanged(object sender, DataGridPageChangedEventArgs e)
{
//reset index
searchList.CurrentPageIndex = e.NewPageIndex;
//get category id
string keywordKey = Request.QueryString["keywords"];
var list = new List<Product>();
using (var context = new PetShopDataContext())
{
list = context.Product.Search(keywordKey).ToList();
}
//bind data
searchList.DataSource = list;
searchList.DataBind();
}
/// <summary>
/// Rebind control
/// </summary>
protected void PageChanged(object sender, DataGridPageChangedEventArgs e)
{
//reset index
itemsGrid.CurrentPageIndex = e.NewPageIndex;
//get category id
string productId = Request.QueryString["productId"];
using (var context = new PetShopDataContext())
{
var options = new DataLoadOptions();
options.LoadWith<Item>(i => i.Product);
context.LoadOptions = options;
itemsGrid.DataSource = context.Item.ByProductId(productId).ToList();
}
itemsGrid.DataBind();
}
protected void CreateUserWizard1_CreatedUser(object sender, EventArgs e)
{
using (var context = new PetShopDataContext())
{
string userName = ((System.Web.UI.WebControls.CreateUserWizard)sender).UserName;
var profile = context.Profile.GetProfile(userName);
if (null == profile)
{
profile = new Profile();
profile.Username = userName;
profile.ApplicationName = ".NET Pet Shop 4.0";
profile.IsAnonymous = false;
profile.LastActivityDate = DateTime.Now;
profile.LastUpdatedDate = DateTime.Now;
context.Profile.InsertOnSubmit(profile);
context.SubmitChanges();
}
}
}
/// <summary>
/// Bind controls to profile
/// </summary>
private void BindUser()
{
using (var context = new PetShopDataContext())
{
var profile = context.Profile.GetProfile(User.Identity.Name);
if (string.IsNullOrEmpty(profile.Username))
{
profile = new Profile();
profile.Username = User.Identity.Name;
profile.ApplicationName = ".NET Pet Shop 4.0";
profile.IsAnonymous = !User.Identity.IsAuthenticated;
profile.LastActivityDate = DateTime.Now;
profile.LastUpdatedDate = DateTime.Now;
context.Profile.InsertOnSubmit(profile);
context.SubmitChanges();
}
AddressForm.Address = new Address(profile);
}
}
public static void Add(List<Cart> items, string itemId, int uniqueId, bool isShoppingCart)
{
int index = 0;
bool found = false;
using (var context = new PetShopDataContext())
{
var options = new DataLoadOptions();
options.LoadWith<Item>(i => i.Product);
var item = items.FirstOrDefault(i => i.ItemId == itemId);
if (item != null)
{
context.Cart.Attach(item);
item.Quantity++;
}
else
{
var cartItem = context.Item.GetByKey(itemId);
var cart = new Cart();
cart.UniqueID = uniqueId;
cart.ItemId = itemId;
cart.Name = cartItem.Name;
cart.ProductId = cartItem.ProductId;
cart.IsShoppingCart = isShoppingCart;
cart.Price = cartItem.ListPrice ?? cartItem.UnitCost ?? 0;
cart.Type = cartItem.Product.Name;
cart.CategoryId = cartItem.Product.CategoryId;
cart.Quantity = 1;
items.Add(cart);
context.Cart.InsertOnSubmit(cart);
}
context.SubmitChanges();
}
}
/// <summary>
/// Bind repeater to Cart object in Profile
/// </summary>
private void BindCart()
{
var profile = new Data.Profile();
using (var context = new PetShopDataContext())
{
profile = context.Profile.GetProfile(Page.User.Identity.Name);
}
if (!string.IsNullOrEmpty(profile.Username))
{
List<Cart> wishList = profile.WishList;
if (wishList.Count > 0)
{
repWishList.DataSource = wishList;
repWishList.DataBind();
}
else
{
repWishList.Visible = false;
lblMsg.Text = "Your wish list is empty.";
}
}
}
/// <summary>
/// Handler for Delete/Move buttons
/// </summary>
protected void CartItem_Command(object sender, CommandEventArgs e)
{
var profile = new Data.Profile();
using (var context = new PetShopDataContext())
{
profile = context.Profile.GetProfile(Page.User.Identity.Name);
profile.Detach();
}
if (!string.IsNullOrEmpty(profile.Username))
{
switch (e.CommandName)
{
case "Del":
CartHelper.Remove(profile.WishList, e.CommandArgument.ToString());
break;
case "Move":
CartHelper.MoveToCart(profile, e.CommandArgument.ToString());
break;
}
}
BindCart();
}
public void UpdateProfile()
{
Stopwatch watch = Stopwatch.StartNew();
Profile profile = null;
using (var context = new PetShopDataContext())
{
profile = context.Profile.GetProfile(NAME);
profile.Detach();
}
using (var context = new PetShopDataContext())
{
context.Profile.Attach(profile);
profile.IsAnonymous = true;
context.SubmitChanges();
}
using (var context = new PetShopDataContext())
{
Assert.IsTrue(context.Profile.GetProfile(NAME).IsAnonymous.Value);
}
Console.WriteLine("Time: {0} ms", watch.ElapsedMilliseconds);
}
public void UpdateItemQuantityShoppingCart()
{
Stopwatch watch = Stopwatch.StartNew();
//Add new Item to the cart.
Profile profile = null;
using (var context = new PetShopDataContext())
{
profile = context.Profile.GetProfile(NAME);
profile.Detach();
}
CartHelper.Add(profile.ShoppingCart, ID, profile.UniqueID, true);
CartHelper.Add(profile.ShoppingCart, ID, profile.UniqueID, true);
using (var context = new PetShopDataContext())
{
profile = context.Profile.GetProfile(NAME);
profile.Detach();
}
Assert.IsTrue(profile.ShoppingCart.Count == 1 && profile.ShoppingCart[0].Quantity == 2);
Console.WriteLine("Time: {0} ms", watch.ElapsedMilliseconds);
}
public void ClearShoppingCart()
{
Stopwatch watch = Stopwatch.StartNew();
//Add new Item to the cart.
Profile profile = null;
using (var context = new PetShopDataContext())
{
profile = context.Profile.GetProfile(NAME);
profile.Detach();
}
CartHelper.Add(profile.ShoppingCart, ID, profile.UniqueID, true);
//Clear the cart.
using (var context = new PetShopDataContext())
{
profile = context.Profile.GetProfile(NAME);
profile.Detach();
}
CartHelper.ClearCart(profile.ShoppingCart);
using (var context = new PetShopDataContext())
{
Assert.IsTrue(context.Profile.GetProfile(NAME).ShoppingCart.Count == 0);
}
Console.WriteLine("Time: {0} ms", watch.ElapsedMilliseconds);
}
public static void SaveOrderLineItems(List<Cart> cart, int orderId)
{
int lineNum = 0;
using (var context = new PetShopDataContext())
{
foreach (var item in cart)
{
var lineItem = new LineItem();
lineItem.OrderId = orderId;
lineItem.ItemId = item.ItemId;
lineItem.LineNum = ++lineNum;
lineItem.Quantity = item.Quantity;
lineItem.UnitPrice = item.Price;
context.LineItem.InsertOnSubmit(lineItem);
}
context.SubmitChanges();
}
}
public void DeleteSupplier()
{
Stopwatch watch = Stopwatch.StartNew();
using (var context = new PetShopDataContext())
{
context.Supplier.Delete(_supplierId);
}
Console.WriteLine("Time: {0} ms", watch.ElapsedMilliseconds);
}
public static void Remove(List<Cart> items, string itemId)
{
var item = items.FirstOrDefault(i => i.ItemId == itemId);
using (var context = new PetShopDataContext())
{
context.Cart.Delete(item.CartId);
}
items.Remove(item);
}
public void DeleteCategory()
{
Stopwatch watch = Stopwatch.StartNew();
using (var context = new PetShopDataContext())
{
context.Category.Delete(ID);
}
Console.WriteLine("Time: {0} ms", watch.ElapsedMilliseconds);
}
public void DeleteProfile()
{
Stopwatch watch = Stopwatch.StartNew();
using (var context = new PetShopDataContext())
{
var profile = context.Profile.GetProfile(NAME);
if(profile != null)
context.Profile.Delete(profile.UniqueID);
}
Console.WriteLine("Time: {0} ms", watch.ElapsedMilliseconds);
}
