nadekobot/src/NadekoBot/Modules/Nsfw/Common/Downloaders/SafebooruImageDownloader.cs

using System.Collections.Generic;
using System.Net.Http;
using System.Net.Http.Json;
using System.Threading;
using System.Threading.Tasks;

namespace NadekoBot.Modules.Nsfw.Common
{
    public class SafebooruImageDownloader : ImageDownloader<SafebooruElement>
    {
        public SafebooruImageDownloader(HttpClient http) : base(Booru.Safebooru, http)
        {
        }

        public override async Task<List<SafebooruElement>> DownloadImagesAsync(string[] tags, int page, bool isExplicit = false, CancellationToken cancel = default)
        {
            var tagString = ImageDownloaderHelper.GetTagString(tags, isExplicit: false);
            var uri = $"https://safebooru.org/index.php?page=dapi&s=post&q=index&limit=200&tags={tagString}&json=1&pid={page}";
            var images = await _http.GetFromJsonAsync<List<SafebooruElement>>(uri, _serializerOptions, cancellationToken: cancel);
            if (images is null)
                return new();

            return images;
        }
    }
}