public List <Product> All()
{
List <Product> productList = new List <Product>();
try
{
using (prac5_dbEntities db = new prac5_dbEntities())
{
IQueryable <Product> products = from p in db.productSets
where p.stock > 0
select new Product
{
Name = p.name,
Stock = p.stock,
Price = p.price,
Id = p.Id
};
productList = products.ToList();
}
}
catch
{
throw new Exception("Could not fetch the products");
}
return(productList);
}
public Customer RegisterCustomer(string newUsername)
{
var pwd = new Password().IncludeLowercase().IncludeUppercase().IncludeSpecial();
var newPassword = pwd.Next();
// TODO check if customer exists / create customer if so and redirect to product screen logged in?
Customer x = this.FindByUsername(newUsername);
if (x == null)
{
customerSet newCustomer = new customerSet
{
username = newUsername,
password = newPassword,
balance = new Random().Next(5, 105)
};
using (prac5_dbEntities db = new prac5_dbEntities())
{
customerSet c = db.customerSets.Add(newCustomer);
db.SaveChanges();
return(new Customer
{
Id = c.Id,
UserName = c.username,
Balance = c.balance,
Password = c.password
});
}
}
else
{
throw new FaultException <CustomerFaultService>(new CustomerFaultService("User bestaat al..."));
}
}
public Customer Find(int id)
{
using (prac5_dbEntities db = new prac5_dbEntities())
{
return((from c in db.customerSets
where c.Id == id
select new Customer
{
Id = c.Id,
UserName = c.username,
Balance = c.balance
}).FirstOrDefault());
}
}
public List <BoughtProduct> PerProductByCustomer(int CustomerId)
{
using (prac5_dbEntities db = new prac5_dbEntities())
{
return(db.orderLineSets
.Where(ol => ol.orderSet.customer_Id == CustomerId)
.GroupBy(ol => ol.product_Id)
.Select(olg => new BoughtProduct
{
ProductId = olg.FirstOrDefault().product_Id,
Name = olg.FirstOrDefault().productSet.name,
Amount = olg.Sum(l => l.amount),
}).ToList());
}
}
public Customer FindByUsername(string username)
{
using (prac5_dbEntities db = new prac5_dbEntities())
{
return((from c in db.customerSets
where c.username == username
select new Customer
{
Id = c.Id,
UserName = c.username,
Balance = c.balance,
Password = c.password
}).FirstOrDefault());
}
}
public Customer LoginCustomer(string username, string password)
{
using (prac5_dbEntities db = new prac5_dbEntities()) {
try {
return((from c in db.customerSets
where c.username == username &&
c.password == password
select new Customer
{
Id = c.Id,
UserName = c.username,
Balance = c.balance,
Password = c.password
}).First());
} catch (Exception err) {
return(null);
}
}
}
public Product Find(int id)
{
try
{
using (prac5_dbEntities db = new prac5_dbEntities())
{
return((from p in db.productSets
where p.Id == id
select new Product
{
Name = p.name,
Stock = p.stock,
Price = p.price,
Id = p.Id
}).First());
}
}
catch
{
throw new Exception("Could not find the product");
}
}
public bool Order(int customerId, int storeId, List <BuyingProduct> products)
{
orderSet Order = new orderSet {
customer_Id = customerId,
date = DateTime.Now,
};
using (prac5_dbEntities db = new prac5_dbEntities())
{
customerSet customer = (from c in db.customerSets
where c.Id == customerId
select c).First();
double price = (
from p2 in products
select p2.Amount * (
from p in db.productSets
where p.Id == p2.Id
select p.price
).First()
).Sum();
int lowestStock = (
from p2 in products
select(
from p in db.productSets
where p.Id == p2.Id
select p.stock
).First() - p2.Amount
).Min();
if (lowestStock < 0)
{
throw new FaultException <OrderServiceFault>(new OrderServiceFault("Not enough Stok"));
}
if (price > customer.balance)
{
throw new FaultException <OrderServiceFault>(new OrderServiceFault("Not enough balance to pay for this."));
}
customer.balance -= price;
db.customerSets.AddOrUpdate(customer);
orderSet SavedOrder = db.orderSets.Add(Order);
foreach (BuyingProduct bp in products)
{
productSet product = (from p in db.productSets
where p.Id == bp.Id
select p).First();
product.stock -= bp.Amount;
orderLineSet orderLine = new orderLineSet
{
amount = bp.Amount,
order_Id = SavedOrder.Id,
product_Id = bp.Id,
};
db.orderLineSets.Add(orderLine);
db.productSets.AddOrUpdate(product);
}
db.SaveChanges();
}
return(true);
}
