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Content-Type: text/plain; charset=UTF-8
Content-Length: 6832
Content-Disposition: inline; filename="LoadingViewVM.cs"
Last-Modified: Tue, 23 Jun 2026 19:00:30 GMT
Expires: Fri, 20 Jun 2036 19:00:30 GMT
ETag: "4032c946c1ea27fbcc777b866316b9fa4564763a"

﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Tango.Core.Helpers;
using Tango.BL.Entities;
using Tango.Logging;
using Tango.MachineStudio.Common.Modules;
using Tango.MachineStudio.Common.Navigation;
using Tango.MachineStudio.Common.Notifications;
using Tango.MachineStudio.Common.StudioApplication;
using Tango.SharedUI;
using Tango.BL;
using Tango.MachineStudio.Common.EventLogging;
using Tango.BL.Enumerations;
using Tango.MachineStudio.UI.TFS;
using Tango.MachineStudio.Common;
using Tango.MachineStudio.Common.Update;
using Tango.Core.DI;
using Tango.Settings;
using Tango.Core;

namespace Tango.MachineStudio.UI.ViewModels
{
    /// <summary>
    /// Represents the Machine Studio loading view, view model.
    /// </summary>
    /// <seealso cref="Tango.SharedUI.ViewModel" />
    public class LoadingViewVM : StudioViewModel
    {
        private INotificationProvider _notificationProvider;
        private TeamFoundationServiceExtendedClient _tfs;
        private INavigationManager _navigationManager;
        private IStudioModuleLoader _studioModuleLoader;
        private IEventLogger _eventLogger;
        private LogManager logManager = LogManager.Default;
        public IStudioApplicationManager ApplicationManager { get; set; }

        private bool _isLoading;
        public bool IsLoading
        {
            get { return _isLoading; }
            set { _isLoading = value; RaisePropertyChangedAuto(); }
        }

        private String _status;
        public String Status
        {
            get { return _status; }
            set { _status = value; RaisePropertyChangedAuto(); }
        }

        /// <summary>
        /// Initializes a new instance of the <see cref="LoadingViewVM"/> class.
        /// </summary>
        /// <param name="navigationManager">The navigation manager.</param>
        /// <param name="studioModuleLoader">The studio module loader.</param>
        /// <param name="notificationProvider">The notification provider.</param>
        public LoadingViewVM(IStudioApplicationManager applicationManager, INavigationManager navigationManager, IStudioModuleLoader studioModuleLoader, INotificationProvider notificationProvider, IEventLogger eventLogger, TeamFoundationServiceExtendedClient teamFoundationClient)
        {
            Status = "Loading, please wait...";
            _tfs = teamFoundationClient;
            _eventLogger = eventLogger;
            ApplicationManager = applicationManager;
            _navigationManager = navigationManager;
            _studioModuleLoader = studioModuleLoader;
            _notificationProvider = notificationProvider;
        }

        public override void OnApplicationStarted()
        {
            base.OnApplicationStarted();
            Load();
        }

        /// <summary>
        /// Load application modules.
        /// </summary>
        private void Load()
        {
            IsLoading = true;

            ThreadsHelper.StartStaThread(() =>
            {
                try
                {
                    try
                    {
                        Status = "Checking for critical updates...";

                        LogManager.Log("Checking for forced update...");
                        var service = UpdateServiceHelper.GetUpdateServiceChannel();
                        var client = service.CreateChannel();

                        CheckForUpdatesResponse response = client.CheckForUpdates(new CheckForUpdatesRequest()
                        {
                            Email = "ForceUpdate",
                            Password = "ForceUpdate",
                            Version = ApplicationManager.Version.ToString(),
                        });

                        if (response.IsUpdateAvailable && response.ForcedUpdate)
                        {
                            LogManager.Log("Forced update found, Navigating to update view!");

                            InvokeUI(() =>
                            {
                                if (_notificationProvider.ShowQuestion("Machine Studio has detected a critical update which must be installed in order for the application to run properly. Do you wish to download and install this update?"))
                                {
                                    TangoMessenger.Default.Send(new Messages.ForcedUpdateMessage() { UpdateResponse = response });
                                    _navigationManager.NavigateTo(NavigationView.UpdateView);
                                }
                                else
                                {
                                    ApplicationManager.ShutDown();
                                }

                                IsLoading = false;
                            });

                            return;
                        }
                    }
                    catch (Exception ex)
                    {
                        LogManager.Log(ex, "Error checking for forced update!");
                    }

                    try
                    {
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.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */</style><div class="highlight"><pre><span></span><span class="k">using</span><span class="w"> </span><span class="nn">System</span><span class="p">;</span>
<span class="k">using</span><span class="w"> </span><span class="nn">System.Collections.Generic</span><span class="p">;</span>
<span class="k">using</span><span class="w"> </span><span class="nn">System.Linq</span><span class="p">;</span>
<span class="k">using</span><span class="w"> </span><span class="nn">System.Text</span><span class="p">;</span>
<span class="k">using</span><span class="w"> </span><span class="nn">System.Threading.Tasks</span><span class="p">;</span>
<span class="k">using</span><span class="w"> </span><span class="nn">Tango.BL.Entities</span><span class="p">;</span>
<span class="k">using</span><span class="w"> </span><span class="nn">Tango.MachineStudio.Common.Notifications</span><span class="p">;</span>

<span class="k">namespace</span><span class="w"> </span><span class="nn">Tango.MachineStudio.DB.ViewModels</span>
<span class="p">{</span>
<span class="w">    </span><span class="k">public</span><span class="w"> </span><span class="k">class</span><span class="w"> </span><span class="nc">ApplicationDisplayPanelVersionsViewVM</span><span class="w"> </span><span class="p">:</span><span class="w"> </span><span class="n">DbTableViewModel</span><span class="o">&lt;</span><span class="n">ApplicationDisplayPanelVersion</span><span class="o">&gt;</span>
<span class="w">    </span><span class="p">{</span>
<span class="w">        </span><span class="k">public</span><span class="w"> </span><span class="nf">ApplicationDisplayPanelVersionsViewVM</span><span class="p">(</span><span class="n">INotificationProvider</span><span class="w"> </span><span class="n">notification</span><span class="p">)</span><span class="w"> </span><span class="p">:</span><span class="w"> </span><span class="k">base</span><span class="p">(</span><span class="n">notification</span><span class="p">)</span>
<span class="w">        </span><span class="p">{</span>
<span class="w">        </span><span class="p">}</span>
<span class="w">    </span><span class="p">}</span>
<span class="p">}</span>
</pre></div>
</code></pre></td></tr></table>
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