Re: Beginners DDD question, getting data in domain class

Hi Nick,
I see this like you are having a departments repository, A user repository
and a getuserdepartments service that does the job, then each department
aggregate having a reference to the parent department.
What do you think does that fit your problem?
Regards
El dic 4, 2013 3:31 AM, <[email protected]> escribió:

>
>
> I posted this on StackOverflow too, but I thought I might get better
> answers here. I think I've read 16,154 questions, blog posts, tweets, etc
> about DDD and best practices. Apologies for yet another question of that
> type. Let's say I have three tables in my database, User, Department, and
> UserDepartment. All very simple. I need to build a hierarchy showing what
> departments a user has access to. The issue is that I also need to show the
> parent departments of those that they have access to.
>
>
> Is it best to have a GetDepartments() method on my user class? Right now I
> have a user service with GetDepartments(string userName), but I don't feel
> like that is the optimal solution. If user.GetDepartments() is preferred
> then how do I get access the repository to get the parent departments for
> those that the user has access to?
>
>
> For example, let's say a user has permissions to Department2. The parent
> of Department2 is Department1, so the list of departments returned should
> include them both.
>
>
> Don't know that it matters, but I'm using the Entity Framework.
>
>
> public class User
>
> {
>
>     [Key]
>
>     public int UserId { get; private set; }
>
>
>     [Display(Name = "User Name")]
>
>     public string UserName { get; private set; }
>
>
>     [Display(Name = "Email")]
>
>     public string Email { get; private set; }
>
>
>     [Display(Name = "UserDepartments")]
>
>     public virtual ICollection<UserDepartment> UserDepartments { get;
> private set; }
>
>
>     public List<Department> GetDepartments()
>
>     {
>
>         // Should this be here? and if so, what's the preferred method for
> accessing the repository?
>
>     }
>
> }
>
>
> It seems like a function of the domain to me, but maybe I should just
> leave it in the service.
>
>
> Thanks for any help. I really appreciate it.
>
>
> Nick
>  
>