sourcegit/src/ViewModels/CreateGroup.cs

using System;
using System.ComponentModel.DataAnnotations;
using System.Threading.Tasks;

namespace SourceGit.ViewModels {
    public class CreateGroup : Popup {
        [Required(ErrorMessage = "Group name is required!")]
        public string Name {
            get => _name;
            set => SetProperty(ref _name, value, true);
        }

        public CreateGroup(RepositoryNode parent) {
            _parent = parent;
            View = new Views.CreateGroup() { DataContext = this };
        }

        public override Task<bool> Sure() {
            Preference.AddNode(new RepositoryNode() {
                Id = Guid.NewGuid().ToString(),
                Name = _name,
                IsRepository = false,
                IsExpanded = false,
            }, _parent);

            return null;
        }

        private RepositoryNode _parent = null;
        private string _name = string.Empty;
    }
}