PocketBook/Sources/Model/Work.cs

using System;

namespace Model
{
    public class Work : IEquatable<Work>
    {
        public string Id { get; set; }
        public string Description { get; set; }
        public string Title { get; set; }
        public List<string> Subjects { get; set; } = new List<string>();
        public List<Author> Authors { get; set; } = new List<Author>();
        public Ratings Ratings { get; set; }

        public bool Equals(Work? other) => Id == other.Id;

        public override bool Equals(object? obj)
        {
            if (ReferenceEquals(obj, null))
                return false;
            if (ReferenceEquals(this, obj))
                return true;
            if (GetType() != obj.GetType())
                return false;
            return Equals(obj as Work);
        }

        public override int GetHashCode() => Id.GetHashCode();
    }
}