nadekobot/src/NadekoBot/Modules/Nsfw/Common/ImageData.cs

using System;
using System.Collections.Generic;
using System.Linq;

namespace NadekoBot.Modules.Nsfw.Common
{
    public class ImageData : IComparable<ImageData>
    {
        public Booru SearchType { get; }
        public string FileUrl { get; }
        public HashSet<string> Tags { get; }
        public string Rating { get; }

        public ImageData(string url, Booru type, string[] tags, string rating)
        {
            if (type == Booru.Danbooru && !Uri.IsWellFormedUriString(url, UriKind.Absolute))
            {
                this.FileUrl = "https://danbooru.donmai.us" + url;
            }
            else
            {
                this.FileUrl = url.StartsWith("http", StringComparison.InvariantCulture) ? url : "https:" + url;
            }
            
            this.SearchType = type;
            this.FileUrl = url;
            this.Tags = tags.ToHashSet();
            this.Rating = rating;
        }

        public override string ToString()
        {
            return FileUrl;
        }

        public override int GetHashCode() => FileUrl.GetHashCode();
        public override bool Equals(object obj)
            => obj is ImageData ico && ico.FileUrl == this.FileUrl;

        public int CompareTo(ImageData other)
            => string.Compare(FileUrl, other.FileUrl, StringComparison.InvariantCulture);
    }
}