secure-sharing/SecureSharing.Data/Data/FileModel.cs

using System.ComponentModel.DataAnnotations.Schema;
using System.Diagnostics.CodeAnalysis;

namespace SecureSharing.Data.Data;

public class FileModel
{
    public int Id { get; set; }
    public string Name { get; set; }
    [NotNull]
    [ForeignKey("MessageId")]
    public int MessageId { get; set; }
}