public void RemoveFriend(User user)
{
UserRelation ur = FriendsWith.FirstOrDefault(u => u.FriendWith == user);
UserRelation ur2 = FriendsOf.FirstOrDefault(u => u.FriendOf == user);
FriendsWith.Remove(ur);
FriendsWith.Remove(ur2);
FriendsOf.Remove(ur);
FriendsOf.Remove(ur2);
}
public async Task <IEnumerable <Person> > GetRequestedFriends(Person person, FriendsWith friendsWith)
{
// Get list of all requests going out from person - r -> but not <- r -
return(await this.GetRightRelated(p1 => p1.Name == person.Name));
}
public async Task <IEnumerable <Person> > GetFriendRequests(Person person, FriendsWith friendsWith)
{
// Get list of all requests coming in for person <- r - but not - r ->
return(await this.GetLeftRelated(p1 => p1.Name == person.Name));
}
public async Task <IEnumerable <Person> > GetConfirmedFriendsWithRelationshipAsync(Person person, FriendsWith friendsWith)
{
// Get list of all requests that have <- r -> because they are confirmed both ways
return(await this.GetDualRelated(p1 => p1.Name == person.Name, friendsWith));
}
public void AddFriend(User user)
{
FriendsWith.Add(new UserRelation(this, user));
FriendsOf.Add(new UserRelation(user, this));
}
public async Task CreateFriendRelationshipAsync(Person person, Person friend, FriendsWith friendsWith)
{
// Creates relationship person1 -> person2
await this.Relate <Person, FriendsWith>(p1 => p1.Name == person.Name, p2 => p2.Name == friend.Name, friendsWith);
}
