private static void CreateCustomerWithOrder()
{
var products = GetProducts();
var product1 = products[0];
var product2 = products[1];
var customer = new Customer
{
FirstName = "Julie",
LastName = "Lerman",
ContactDetail = new ContactDetail
{
TwitterAlias = "julielerman"
},
DateOfBirth = DateTime.Now
};
var order = new Order
{
DestinationLatLong = DbGeography.FromText("POINT(44.292401 -72.968102)"),
OrderDate = DateTime.Now,
OrderSource = OrderSource.InPerson,
LineItems = { new LineItem {
ProductId = product1.ProductId, Quantity = 2
},
new LineItem {
ProductId = product2.ProductId, Quantity = 1
} }
};
customer.Orders.Add(order);
using (var context = new SalesModelContext())
{
context.Customers.Add(customer);
context.SaveChanges();
}
}
private static List <Product> GetProducts()
{
using (var context = new SalesModelContext())
{
return(context.Products.ToList());
}
}
private static void ExplicitLoading()
{
using (var context = new SalesModelContext())
{
var customer = context.Customers.First(c => c.Orders.Any());
context.Entry(customer).Collection(c => c.Orders).Load();
Console.WriteLine("Order count for {0}: {1}",
customer.FirstName, customer.Orders.Count);
}
}
private static void GetCustomers()
{
using (var context = new SalesModelContext())
{
var customers = context.Customers.ToList();
foreach (var customer in customers)
{
Console.WriteLine(customer.FirstName);
}
}
}
private static void InsertCustomer()
{
using (var ctx = new SalesModelContext())
{
var customer = new Customer {
FirstName = "First", LastName = "Last", DateOfBirth = new DateTime(1980, 1, 5)
};
ctx.Customers.Add(customer);
ctx.SaveChanges();
}
}
private static void GetCustomers()
{
using (var ctx = new SalesModelContext())
{
var customers = ctx.Customers.ToList();
foreach (var customer in customers)
{
Console.WriteLine(customer.FirstName);
}
}
}
private static void LazyLoading()
{
using (var context = new SalesModelContext())
{
context.Configuration.LazyLoadingEnabled = true;
var customer = context.Customers.First(c => c.Orders.Any());
//context.Entry(customer).Collection(c => c.Orders).Load();
Console.WriteLine("Order count for {0}: {1}",
customer.FirstName, customer.Orders.Count);
}
}
private static void GetCustomer(int id)
{
using (var context = new SalesModelContext())
{
var customer = context.Customers.Find(id);
Console.WriteLine(customer.FirstName);
Console.WriteLine(customer.DateOfBirth);
}
Console.WriteLine("-------------");
Console.ReadKey();
}
private static void InsertCustomer()
{
var customer = new Customer {
FirstName = "Julie", LastName = "Lerman", DateOfBirth = DateTime.Now
};
using (var context = new SalesModelContext())
{
context.Customers.Add(customer);
context.SaveChanges();
}
GetCustomer(customer.CustomerId);
}
protected override void Seed(SalesModelContext context)
{
var customers = new List <Customer> {
new Customer {
FirstName = "Sampson", LastName = "TheNewfie", DateOfBirth = new DateTime(2008, 1, 28)
},
new Customer {
FirstName = "Yogi", LastName = "TheBear", DateOfBirth = new DateTime(1958, 1, 1)
}
};
context.Customers.AddOrUpdate(
c => new { c.FirstName, c.LastName }, customers.ToArray());
}
private static void UpdateCustomer()
{
int id;
using (var context = new SalesModelContext())
{
var customer = context.Customers
.FirstOrDefault(c => c.FirstName == "Julie");
id = customer.CustomerId;
Console.WriteLine(customer.DateOfBirth);
customer.DateOfBirth = DateTime.Now.AddYears(-25);
context.SaveChanges();
}
GetCustomer(id);
}
private static void DeleteJulie()
{
using (var context = new SalesModelContext())
{
var julies = context.Customers
.Where(c => c.FirstName == "Julie")
.ToList();
foreach (var customer in julies)
{
context.Customers.Remove(customer);
}
context.SaveChanges();
}
GetCustomers();
}
private static void EagerLoading()
{
using (var context = new SalesModelContext())
{
var eagerLoadGraph = context.Customers.Include(c => c.Orders).ToList();
var eagerLoadGraph2 = context.Customers.Include("Orders").ToList();
var eagerLoadGraph3 = context.Customers.Include("Orders.LineItems").ToList();
var eagerLoadGraph4 = context.Customers
.Where(c => c.Orders.Any())
.Include(c => c.Orders.Select(o => o.LineItems.Select(l => l.Product)))
.ToList();
var customer = eagerLoadGraph4[0];
}
}
private static void LoadWithProjection()
{
using (var context = new SalesModelContext())
{
var customerOrderGraph = context.Customers
.Select(c => new { c, c.Orders })
.ToList();
var customer = customerOrderGraph[2].c;
var customerWithFirstOrder =
context.Customers
.Select(c => new
{
c,
FirstOrder = c.Orders.OrderBy(o => o.OrderDate).FirstOrDefault()
})
.ToList();
}
}
private static void InsertCustomer()
{
using (var ctx = new SalesModelContext())
{
var customer = new Customer { FirstName = "First", LastName = "Last", DateOfBirth = new DateTime(1980, 1, 5) };
ctx.Customers.Add(customer);
ctx.SaveChanges();
}
}
protected override void Seed(SalesModelContext context)
{
//this check for Any customers is specific to distributing the demo solution.
//I've left automatic migrations in place so you'll get the intial database
//and data. But I don't want the AddOrUpdate to run each time you run the app
//Once the app has created the database upon first run, you can disable the initialization by commenting out
//the entire <contexts> section in the console app's app.config file. And then remove the
//check for any customers so that you don't hit the database at all.
if (!context.Customers.Any()) //after removing initialization in config file remove this line
{ //after removing initialization in config file remove this line
var customers = new List <Customer>
{
new Customer
{
FirstName = "Sampson",
LastName = "TheNewfie",
DateOfBirth = new DateTime(2008, 1, 28)
},
new Customer
{
FirstName = "Yogi",
LastName = "TheBear",
DateOfBirth = new DateTime(1958, 1, 1)
}
};
context.Customers.AddOrUpdate(
c => new { c.FirstName, c.LastName }, customers.ToArray());
var dogstuff = new Category()
{
Name = "Dog stuff"
};
var bearstuff = new Category()
{
Name = "Bear stuff"
};
var products = new List <Product>()
{
new Product()
{
Name = "Bone",
Description = "Juicy Dog Bone",
Categories = { dogstuff },
ProductionStart = DateTime.Now
},
new Product()
{
Name = "Katie's Bumper Toy",
Description = "Super fun dog toy",
Categories = { dogstuff },
ProductionStart = DateTime.Now
},
new Product()
{
Name = "Picnic Basket",
Description = "To carry your food",
Categories = { bearstuff },
ProductionStart = DateTime.Now
},
new Product()
{
Name = "Honey",
Description = "For bears who like honey",
Categories = { bearstuff },
ProductionStart = DateTime.Now
}
};
context.Products.AddOrUpdate(p => p.Name, products.ToArray());
} //after removing initialization in config file remove this line
}
