Library/OwnChar/Manager/GroupsManager.cs

using OwnChar.Model;

namespace OwnChar.Manager;

public class GroupsManager(OwnCharManager manager)
{
    public OwnCharManager Manager { get; } = manager;

    public UserProfile? GetOwner(Group? group)
    {
        ArgumentNullException.ThrowIfNull(group, nameof(group));
        Manager.CheckLogin();
        return Manager.DataManager.GetOwner(Manager.CurrentUser, group);
    }

    public IEnumerable<UserProfile>? GetMembers(Group? group)
    {
        ArgumentNullException.ThrowIfNull(group, nameof(group));
        Manager.CheckLogin();
        return Manager.DataManager.GetMembers(Manager.CurrentUser, group);
    }

    public bool AddMember(UserProfile? profile, Group? group)
    {
        ArgumentNullException.ThrowIfNull(profile, nameof(profile));
        ArgumentNullException.ThrowIfNull(group, nameof(group));
        Manager.CheckLogin();
        return Manager.DataManager.AddMember(Manager.CurrentUser, group, profile);
    }

    public bool DeleteMember(UserProfile? profile, Group? group)
    {
        ArgumentNullException.ThrowIfNull(profile, nameof(profile));
        ArgumentNullException.ThrowIfNull(group, nameof(group));
        Manager.CheckLogin();
        return Manager.DataManager.RemoveMember(Manager.CurrentUser, group, profile);
    }

    public Group? CreateGroup(string? name)
    {
        ArgumentException.ThrowIfNullOrWhiteSpace(name, nameof(name));
        Manager.CheckLogin();
        return Manager.DataManager.CreateGroup(Manager.CurrentUser, name);
    }

    public bool DeleteGroup(Group? group)
    {
        ArgumentNullException.ThrowIfNull(group, nameof(group));
        Manager.CheckLogin();
        return Manager.DataManager.DeleteGroup(Manager.CurrentUser, group);
    }
}