piwigodotnet/PiwigoDotnet/Piwigo.Client/ImageApi.cs

using System.Globalization;
using Microsoft.Extensions.Logging;
using Piwigo.Client.Contract;

namespace Piwigo.Client;

public class ImageApi : IImageApi
{
    private readonly IPiwigoContext _context;
    private readonly ILogger<ImageApi> _logger;

    public ImageApi(IPiwigoContext context, ILogger<ImageApi> logger)
    {
        _context = context ?? throw new ArgumentNullException(nameof(context));
        _logger = logger ?? throw new ArgumentNullException(nameof(logger));
    }

    public async Task AddChunkAsync(byte[] data, string originalSum, int position, CancellationToken cancellationToken = default)
    {
        var base64Data = Convert.ToBase64String(data);

        var formParams = new Dictionary<string, string>
        {
            { "data", base64Data },
            { "original_sum", originalSum },
            // type = file is required for compatibility reasons.
            // There is no other value allowed
            { "type", "file" },
            { "position", position.ToString() }
        };
        await _context.PostAsync<PiwigoResponse>(_logger, "pwg.images.addChunk", formParams, cancellationToken);
    }

    public async Task<PagedImages> GetImages(int albumId, bool recursive, PagingInfo page, ImageFilter filter, ImageOrder order = ImageOrder.Name,
        CancellationToken cancellationToken = default)
    {
        var orderValue = order switch
        {
            ImageOrder.Id => "id",
            ImageOrder.File => "file",
            ImageOrder.Name => "name",
            ImageOrder.Hit => "hit",
            ImageOrder.RatingScore => "rating_score",
            ImageOrder.DateCreation => "date_creation",
            ImageOrder.DateAvailable => "date_available",
            ImageOrder.Random => "random",
            _ => throw new ArgumentOutOfRangeException(nameof(order), order, null)
        };

        var formParams = new Dictionary<string, string>
        {
            { "cat_id", albumId.ToString() },
            { "recursive", recursive.ToString() },
            { "per_page", page.PageSize.ToString() },
            { "page", page.Page.ToString() },
            { "order", orderValue }
        };

        if (filter.MinRate.HasValue)
        {
            formParams.Add("f_min_rate", filter.MinRate.Value.ToString(CultureInfo.InvariantCulture));
        }

        if (filter.MaxRate.HasValue)
        {
            formParams.Add("f_max_rate", filter.MaxRate.Value.ToString(CultureInfo.InvariantCulture));
        }

        if (filter.MinHit.HasValue)
        {
            formParams.Add("f_min_hit", filter.MinHit.Value.ToString());
        }

        if (filter.MaxHit.HasValue)
        {
            formParams.Add("f_max_hit", filter.MaxHit.Value.ToString());
        }

        if (filter.MinRatio.HasValue)
        {
            formParams.Add("f_min_ratio", filter.MinRatio.Value.ToString(CultureInfo.InvariantCulture));
        }

        if (filter.MaxRatio.HasValue)
        {
            formParams.Add("f_max_ratio", filter.MaxRatio.Value.ToString(CultureInfo.InvariantCulture));
        }

        if (filter.MaxLevel.HasValue)
        {
            formParams.Add("f_max_level", filter.MaxLevel.Value.ToString());
        }

        if (filter.MinDateAvailable.HasValue)
        {
            formParams.Add("f_min_date_available", filter.MinDateAvailable.Value.ToString("yyyy-MM-dd"));
        }

        if (filter.MaxDataAvailable.HasValue)
        {
            formParams.Add("f_max_date_available", filter.MaxDataAvailable.Value.ToString("yyyy-MM-dd"));
        }

        if (filter.MinDateCreated.HasValue)
        {
            formParams.Add("f_min_date_created", filter.MinDateCreated.Value.ToString("yyyy-MM-dd"));
        }

        if (filter.MaxDateCreated.HasValue)
        {
            formParams.Add("f_max_date_created", filter.MaxDateCreated.Value.ToString("yyyy-MM-dd"));
        }

        var response = await _context.PostAsync<PiwigoResponse<PagedImages>>(_logger, "pwg.categories.getImages", formParams, cancellationToken);
        return response.Result;
    }
}