using MongoDB.Bson; using MongoDB.Bson.Serialization.Attributes; namespace Core.Entities; public class Chat { [BsonId] [BsonRepresentation(BsonType.String)] public Guid Id { get; set; } public Guid PatientId { get; set; } public Guid DoctorId { get; set; } public List Messages { get; set; } = new List(); } public class Message { [BsonRepresentation(BsonType.String)] public Guid UserId { get; set; } public string Content { get; set; } }