VeloeMonitorAvaloniaApp/VeloeMonitorApp/ViewModels/IndexViewModel.cs

using Microsoft.AspNetCore.SignalR.Client;
using System;
using System.Collections.Generic;
using System.Data.Common;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;
using VeloeMonitorApp.Models;

namespace VeloeMonitorApp.ViewModels
{
    public class IndexViewModel : ViewModelBase
    {
        HubConnection hubConnection;
        public IndexViewModel() 
        {
            HardwareData = new()
            {
                {"cpuload", new SimpleDataModel() {Title = "CPU"} },
                {"ramload", new SimpleDataModel() {Title = "RAM"} },
                {"ramavailable", new SimpleDataModel() {Title = "RAM Available"} },
                {"ramused", new SimpleDataModel() {Title = "RAM Used"} },
                {"root_directory", new SimpleDataModel() {Title = "SSD"} },
                {"_mnt_nas", new SimpleDataModel() {Title = "HDD"} },
            };

            hubConnection = new HubConnectionBuilder()
                .WithUrl("https://monitor.veloe.link/hubs/data")
                .WithAutomaticReconnect()
                .Build();

            Func<Exception, Task> reconnecting = ex => Task.Run(() =>
            {
                //_logger.Warning("Reconnecting to WebCoket...");
            });
            Func<string, Task> reconnected = str => Task.Run(() =>
            {
                //_logger.Warning("Reconnected to WebCoket.");
                //foreach (var server in serverInfo)
                //{
                //    _connection.InvokeAsync("ConnectToGroup", server.Key);
                //}
            });

            hubConnection.Reconnecting += reconnecting;
            hubConnection.Reconnected += reconnected;

            hubConnection.On<string>("Update", (data) =>
            {
                //{"cpuload":5.239773,"ramavailable":11.503387,"ramused":10.2684555,"ramload":89.264626,"root_directory":0.23512806,"_mnt_nas":0.761549}
                var dictionary = JsonSerializer.Deserialize<Dictionary<string, double>>(data);

                if (dictionary == null) return;

                double value;

                foreach (var kvp in dictionary)
                {
                    value = kvp.Value;
                    HardwareData[kvp.Key].Value = value;
                }
            });
        }
        public Dictionary<string,SimpleDataModel> HardwareData { get; set; }
    }
}