immich-to-slideshow/src/ImmichToSlideshow/Models/Identifier.cs

using ImmichToSlideshow.Domain;
using System.Collections.ObjectModel;
using System.Text.Json;
using System.Text.Json.Serialization;

namespace ImmichToSlideshow.Models;

public sealed record Identifier(string[] DirectoryNames,
                                string Extension,
                                bool? HasDateTimeOriginal,
                                int Id,
                                long Length,
                                string PaddedId,
                                long Ticks) {

    public override string ToString() {
        string result = JsonSerializer.Serialize(this, IdentifierSourceGenerationContext.Default.Identifier);
        return result;
    }

    internal static string GetDeviceAssetIds(ReadOnlyCollection<Identifier> identifiers) =>
        $"'{string.Join($"',{Environment.NewLine}'", (from l in identifiers select GetDeviceAssetId(l)).ToArray())}'";

    internal static string GetDeviceAssetIds(ReadOnlyCollection<ImageTag> imageTags) =>
        $"'{string.Join($"',{Environment.NewLine}'", (from l in imageTags select l.Name).ToArray())}'";

    internal static string GetDeviceAssetId(Identifier identifier) =>
        $"{identifier.PaddedId}{identifier.Extension}";

}

[JsonSourceGenerationOptions(WriteIndented = true)]
[JsonSerializable(typeof(Identifier))]
public partial class IdentifierSourceGenerationContext : JsonSerializerContext {
}

[JsonSourceGenerationOptions(WriteIndented = true)]
[JsonSerializable(typeof(Identifier[]))]
public partial class IdentifierCollectionSourceGenerationContext : JsonSerializerContext {
}