JsonRpcResult.cs

using System.Collections.Generic;
using Waher.Networking.HTTP.JsonRpc.Exceptions;
 
namespace Waher.Networking.HTTP.JsonRpc
{
    public class JsonRpcResult
    {
        private readonly JsonRpcVersion version;
        private readonly object? result;
        private readonly JsonRpcError? error;
        private readonly long? id;
        private readonly bool hasResult;
        private readonly bool hasError;
 
        public JsonRpcResult(Dictionary<string,object> JsonResponse)
        {
            foreach (KeyValuePair<string, object> P in JsonResponse)
            {
                switch (P.Key)
                {
                    case "jsonrpc":
                        if (P.Value is string s)
                        {
                            if (s == "2.0")
                                this.version = JsonRpcVersion.JsonRpcV2;
                            else
                                throw new JsonRpcException("Unexpected response received: Unsupported JSON-RPC version: " + s);
                        }
                        else
                            throw new JsonRpcException("Unexpected response received: JSON-RPC version property is not a string.");
                        break;
 
                    case "result":
                        this.result = P.Value;
                        this.hasResult = true;
                        break;
 
                    case "error":   // Processed in DoNotification
 
                        if (P.Value is Dictionary<string, object> Error &&
                            Error.TryGetValue("code", out object Obj) && 
                            Obj is int ErrorCode &&
                            Error.TryGetValue("message", out Obj) && 
                            Obj is string ErrorMessage)
                        {
                            this.error = JsonRpcClient.GetError(ErrorCode, ErrorMessage);
                            this.hasError = true;
                        }
                        else
                            throw new JsonRpcException("Unexpected error response received.");
                        break;
 
                    case "id":
                        if (P.Value is long l)
                            this.id = l;
                        else if (P.Value is int i)
                            this.id = i;
                        else if (P.Value is string s2 && long.TryParse(s2, out l))
                            this.id = l;
                        else
                            throw new JsonRpcException("Unexpected response received: Id property is not a valid integer.");
                        break;
 
                    default:
                        throw new JsonRpcException("Unexpected response received: Unknown property: " + P.Key);
                }
            }
        }
 
        public JsonRpcVersion Version => this.version;
 
        public object? Result => this.result;
 
        public JsonRpcError? Error => this.error;
 
        public long? Id => this.id;
 
        public bool HasResult => this.hasResult;
 
        public bool HasError => this.hasError;
 
 
    }
}