public ServiceResponse <User> CreateUser(CreateUserData data)
{
// Save the model to the datastore if it doesn't exists
User user = new User();
user.name = data.Name;
user.username = data.Username;
user.balance = 10;
char[] nameReverse = data.Name.ToArray();
Array.Reverse(nameReverse);
user.password = new string(nameReverse);
using (var context = new ahshopEntities())
{
User userExists = context.User.FirstOrDefault(b => b.username == data.Username);
if (userExists != null)
{
return(ServiceResponse <User> .Error(null, "Username already exists!"));
}
context.User.Add(user);
context.SaveChanges();
}
return(ServiceResponse <User> .Success(user, "User successfully created!"));
}
public ServiceResponse <User> UserDetails(UserDetailsData data)
{
User user = null;
using (var context = new ahshopEntities())
user = context.User.FirstOrDefault(b => b.userid == data.UserID);
return(user == null ? ServiceResponse <User> .Error(null, "Not Found!") : ServiceResponse <User> .Success(Copy.CloneUser(user)));
}
public ServiceResponse <Product[]> ProductList()
{
var result = new List <Product>();
using (var context = new ahshopEntities())
foreach (var product in context.Product)
{
result.Add(Copy.CloneProduct(product));
}
return(ServiceResponse <Product[]> .Success(result.ToArray()));
}
public ServiceResponse <Purchase> PurchaseProduct(PurchaseProductData data)
{
User user = null;
Product product = null;
Purchase purchase = new Purchase();
using (var context = new ahshopEntities())
{
user = context.User.FirstOrDefault(b => b.userid == data.UserID);
product = context.Product.FirstOrDefault(b => b.productid == data.ProductID);
if (user == null)
{
return(ServiceResponse <Purchase> .Error(null, "User not found!"));
}
if (product == null)
{
return(ServiceResponse <Purchase> .Error(null, "Product not found!"));
}
if (user.balance - product.price < 0)
{
return(ServiceResponse <Purchase> .Error(null, "Not enough money!"));
}
if (product.quantity - 1 < 0)
{
return(ServiceResponse <Purchase> .Error(null, "Not enough items in shop!"));
}
purchase.price = product.price;
purchase.productid = product.productid;
purchase.Product = product;
purchase.userid = user.userid;
purchase.User = user;
product.quantity -= 1;
user.balance -= product.price;
user.Purchase.Add(purchase);
context.SaveChanges();
}
return(ServiceResponse <Purchase> .Success(Copy.ClonePurchase(purchase)));
}
public ServiceResponse <User> LoginUser(LoginUserData data)
{
User user = null;
using (var context = new ahshopEntities())
{
user = context.User
.FirstOrDefault(b => b.password == data.Password && b.password == data.Password);
}
if (user != null)
{
// bug: Some kind of bug causes to empty the response.
// Prevent by hack
return(ServiceResponse <User> .Success(Copy.CloneUser(user), "Welcome back!"));
}
else
{
return(ServiceResponse <User> .Error(null, "Invalid credentials"));
}
}
public ServiceResponse <Purchase[]> HistoryList(HistoryListData data)
{
var result = new List <Purchase>();
using (var context = new ahshopEntities())
{
var user = context.User.FirstOrDefault(b => b.userid == data.UserID);
if (user == null)
{
return(ServiceResponse <Purchase[]> .Error(null, "User not found!"));
}
foreach (var pur in user.Purchase)
{
var purchase = Copy.ClonePurchase(pur);
purchase.Product = Copy.CloneProduct(pur.Product);
result.Add(purchase);
}
}
return(ServiceResponse <Purchase[]> .Success(result.ToArray()));
}