public void UpdateUser(User updatedUser)
{
using (PhotoShareContext context = new PhotoShareContext())
{
User userToUpdate = context.Users
.Include("BornTown")
.Include("CurrentTown")
.SingleOrDefault(u => u.Id == updatedUser.Id);
if (userToUpdate != null)
{
if (updatedUser.BornTown != null &&
(userToUpdate.BornTown == null || updatedUser.BornTown.Id != userToUpdate.BornTown.Id))
{
userToUpdate.BornTown = context.Towns.Find(updatedUser.BornTown.Id);
}
if (updatedUser.CurrentTown != null &&
(userToUpdate.CurrentTown == null || updatedUser.CurrentTown.Id != userToUpdate.CurrentTown.Id))
{
userToUpdate.CurrentTown = context.Towns.Find(updatedUser.CurrentTown.Id);
}
if (updatedUser.Password != userToUpdate.Password)
{
userToUpdate.Password = updatedUser.Password;
}
context.Entry(userToUpdate).State = EntityState.Modified;
context.SaveChanges();
}
}
}
public void DeleteUser(User user)
{
using (PhotoShareContext context = new PhotoShareContext())
{
user.IsDeleted = true; // v.1
context.Users.Attach(user);
context.Entry(user).State = EntityState.Modified;
//User userToDelete = context.Users.Find(user.Id); // v.2
//userToDelete.IsDeleted = true;
context.SaveChanges();
}
}
public void AddFriend(string username1, string username2)
{
var requestingUser = this.GetByUsername(username1);
var addedFriend = this.GetByUsername(username2);
context.Entry(requestingUser).Collection(ru => ru.FriendsAdded).Load();
var friends = requestingUser.FriendsAdded.ToList();
if (friends.Any(f => f.Friend.Username == username2))
{
throw new InvalidOperationException(string.Format(ExeptionMessageHandler.AlreadyFriendsExeption, username2, username1));
}
requestingUser.FriendsAdded
.Add(new Friendship()
{
User = requestingUser,
Friend = addedFriend
});
context.SaveChanges();
}
public void UpdateUser(User updatedUser)
{
// Solution with specifically FK properties in the User model for the virtual Town properties;
using (PhotoShareContext context = new PhotoShareContext())
{
context.Users.Attach(updatedUser);
context.Entry(updatedUser).State = EntityState.Modified;
context.SaveChanges();
}
// Solution with disabled lazy loading and no FK properties in the User model for the virtual Town properties;
//using (PhotoShareContext context = new PhotoShareContext())
//{
// User user = context.Users
// .Include(u => u.BornTown)
// .Include(u => u.CurrentTown)
// .SingleOrDefault(u => u.Id == updatedUser.Id);
// if (user != null)
// {
// if (user.Password != updatedUser.Password)
// {
// user.Password = updatedUser.Password;
// }
// if (updatedUser.BornTown != null &&
// (user.BornTown == null || user.BornTown.Id != updatedUser.BornTown.Id))
// {
// user.BornTown = context.Towns.Find(updatedUser.BornTown.Id);
// }
// if (updatedUser.CurrentTown != null &&
// (user.CurrentTown == null || user.CurrentTown.Id != updatedUser.CurrentTown.Id))
// {
// user.CurrentTown = context.Towns.Find(updatedUser.CurrentTown.Id);
// }
// context.SaveChanges();
// }
//}
}
