private static void CreatePersonWithAddress()
{
using (var dbContext = new PersonDbContext())
{
var person = new Person
{
FirstName = "Karel",
LastName = "Horak",
BirthDate = DateTime.Now.AddYears(-22)
};
var address1 = new Address
{
City = "Ostrava",
Number = "20",
PostalCode = "45678",
Country = "Czech",
AddressType = AddressType.Home
};
person.Addresses = new List <Address> {
address1
};
dbContext.Persons.Add(person);
dbContext.SaveChanges();
}
}
private static void DeletePersonAddress(Func <Person, bool> singlePersonPredicate, Func <Address, bool> singleAddressPredicate)
{
using (var dbContext = new PersonDbContext())
{
var person = dbContext.Persons
.Include(nameof(Person.Addresses))
.Single(singlePersonPredicate);
var addressToDelete = person.Addresses.Single(singleAddressPredicate);
person.Addresses.Remove(addressToDelete);
dbContext.SaveChanges();
}
}
private static void UpdatePerson(Person personsWithAddress)
{
if (personsWithAddress == null)
{
return;
}
using (var dbContext = new PersonDbContext())
{
personsWithAddress.BirthDate = DateTime.Today.AddYears(-30);
dbContext.Persons.Attach(personsWithAddress);
dbContext.Entry(personsWithAddress).State = EntityState.Modified;
dbContext.SaveChanges();
}
}