presence/Demo/Domain/Models/Group.cs

using System;

namespace Demo.Domain.Models
{
    public class Group
    {
        public int Id { get; set; }
        public string Name { get; set; }

        public Group() { }

        public Group(int id, string name)
        {
            Id = id;
            Name = name;
        }

        public override bool Equals(object obj)
        {
            return obj is Group group &&
                   Id == group.Id &&
                   Name == group.Name;
        }

        public override int GetHashCode()
        {
            return HashCode.Combine(Id, Name);
        }

        internal Data.LocalData.Entity.Group ToEntity()
        {
            throw new NotImplementedException();
        }

        public static bool operator ==(Group left, Group right)
        {
            return left.Equals(right);
        }

        public static bool operator !=(Group left, Group right)
        {
            return !(left == right);
        }
    }
}