public UserType(IUserService userService, IRelationshipService relationshipService)
{
//使用者編號
Field(context => context.Id);
//使用者名稱
Field(context => context.Name);
//朋友
Field <ListGraphType <UserType> >(
"friends",
resolve: context =>
{
List <int> friendsIds = relationshipService.GetFriendsIdsByUserId(context.Source.Id);
List <User> friends = new List <User>();
foreach (int friendId in friendsIds)
{
friends.Add(userService.GetUserById(friendId));
}
return(friends);
});
}
public List <int> GetFriendsIdsByUserId(int userId)
{
return(relationshipService.GetFriendsIdsByUserId(userId));
}