Icon.cs

using System;
using System.Collections.Generic;
 
namespace Waher.Networking.HTTP.Mcp.Model
{
    public class Icon
    {
        public Icon()
        {
        }
 
        public Icon(Uri Source, string MimeType)
            : this(Source, MimeType, null, null)
        {
        }
 
        public Icon(Uri Source, string MimeType, string[]? Sizes)
            : this(Source, MimeType, Sizes, null)
        {
        }
 
        public Icon(Uri Source, string MimeType, string[]? Sizes, string? Theme)
        {
            this.Source = Source;
            this.MimeType = MimeType;
            this.Sizes = Sizes;
            this.Theme = Theme;
        }
 
        public Uri? Source { get; internal set; }
 
        public string? MimeType { get; internal set; }
 
        public string[]? Sizes { get; internal set; }
 
        public string? Theme { get; internal set; }
 
        public static bool TryParse(Dictionary<string, object> Generic,
            out Icon Typed)
        {
            Icon Result = new Icon();
 
            if (Generic.TryGetValue("src", out object? Obj) &&
                Obj is string Src &&
                Uri.TryCreate(Src, UriKind.Absolute, out Uri Source))
            {
                Result.Source = Source;
            }
 
            if (Generic.TryGetValue("mimeType", out Obj))
                Result.MimeType = Obj as string;
 
            if (Generic.TryGetValue("sizes", out Obj) && Obj is Array Sizes)
            {
                int i, c = Sizes.Length;
 
                Result.Sizes = new string[c];
                for (i = 0; i < c; i++)
                    Result.Sizes[i] = Sizes.GetValue(i)?.ToString() ?? string.Empty;
            }
 
            if (Generic.TryGetValue("theme", out Obj))
                Result.Theme = Obj as string;
 
            Typed = Result;
            return true;
        }
 
        public Dictionary<string, object> ToJson()
        {
            Dictionary<string, object> Result = new Dictionary<string, object>();
 
            if (!(this.Source is null))
                Result["src"] = this.Source.ToString();
 
            if (!string.IsNullOrEmpty(this.MimeType))
                Result["mimeType"] = this.MimeType;
 
            if (!(this.Sizes is null))
                Result["sizes"] = this.Sizes;
 
            if (!string.IsNullOrEmpty(this.Theme))
                Result["theme"] = this.Theme;
 
            return Result;
        }
    }
}