Listing.cs

using System.ComponentModel.DataAnnotations;
using MessagePack;
using Newtonsoft.Json;
using KeyAttribute = MessagePack.KeyAttribute;

namespace Coflnet.Ane;

[MessagePackObject]
public class Listing
{
    [Key(0)]
    public string Id { get; set; }

    [Key(1)]
    public string? Title { get; set; }

    [Key(2)]
    public string? DescriptionShort { get; set; }

    [Key(3)]
    public string? Description { get; set; }

    [Key(4)]
    public string? Category { get; set; }

    [Key(5)]
    public string? Street { get; set; }

    [Key(6)]
    public string? Locality { get; set; }

    [Key(7)]
    public string? Region { get; set; }

    [Key(8)]
    public string? Country { get; set; }

    [Key(9)]
    public string[]? ImageUrls { get; set; }

    [Key(10)]
    public double Price { get; set; }

    [Key(11)]
    public string? Currency { get; set; }

    [Key(12)]
    public string? Contact { get; set; }

    [Required]
    [Key(13)]
    public string UserId { get; set; } = null!;

    [Key(14)]
    public float Latitude { get; set; }

    [Key(15)]
    public float Longitude { get; set; }

    [Key(16)]
    public string? Shipping { get; set; }

    [Key(17)]
    public string? ReturnPolicy { get; set; }

    [Key(18)]
    public PriceKind PriceKind { get; set; }

    [Key(19)]
    public Dictionary<string, string>? Attributes { get; set; }

    [Key(20)]
    public DateTime FoundAt { get; set; } = DateTime.UtcNow;

    [Key(21)]
    public DateTime? CreatedAt { get; set; }

    [Key(22)]
    public DateTime? SoldBefore { get; set; }
    /// <summary>
    /// Is this offered by a busniness or a private person
    /// </summary>
    [Key(23)]
    public bool? Commercial { get; set; }
    /// <summary>
    /// Extra metadata for the listing, aggregations from other listings etc.
    /// </summary>
    [Key(24)]
    [JsonIgnore]
    [System.Text.Json.Serialization.JsonIgnore]
    public Dictionary<string, string>? Metadata { get; set; }
    [Key(25)]
    public Platform Platform { get; set; }
}