blob: f10e84d05d35e2b5628dac55eeb0b3ec71761526 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.BL.Entities;
using Tango.Core.Commands;
using Tango.Core.DI;
using Tango.Core.ExtensionMethods;
using Tango.Integration.ExternalBridge;
using Tango.PMR.Integration;
using Tango.PPC.Common;
using Tango.PPC.Common.ExternalBridge;
using Tango.PPC.Common.Navigation;
using Tango.PPC.UI.Dialogs;
namespace Tango.PPC.UI.ViewModels
{
/// <summary>
/// Represents the external bridge view ViewModel.
/// </summary>
/// <seealso cref="Tango.PPC.Common.PPCViewModel" />
[TangoCreateWhenRegistered]
public class ExternalBridgeViewVM : PPCViewModel
{
private bool _disconnecting;
private const int KEEP_SAFETY_AUTHENTICATION_MINUTES = 5;
#region Properties
private ExternalBridgeClientConnectedEventArgs _connection;
/// <summary>
/// Gets or sets the last client connection event arguments.
/// </summary>
public ExternalBridgeClientConnectedEventArgs Connection
{
get { return _connection; }
set { _connection = value; RaisePropertyChangedAuto(); }
}
private User _user;
/// <summary>
/// Gets or sets the user connected user.
/// </summary>
public User User
{
get { return _user; }
set { _user = value; RaisePropertyChangedAuto(); }
}
#endregion
#region Commands
/// <summary>
/// Gets or sets the close session command.
/// </summary>
public RelayCommand CloseSessionCommand { get; set; }
#endregion
#region Constructors
/// <summary>
/// Initializes a new instance of the <see cref="ExternalBridgeViewVM"/> class.
/// </summary>
public ExternalBridgeViewVM()
{
CloseSessionCommand = new RelayCommand(CloseSession, () => !_disconnecting);
}
#endregion
#region Private Methods
/// <summary>
/// Closes the current session.
/// </summary>
private void CloseSession()
{
LogManager.Log("Disconnecting current external bridge session.");
_disconnecting = true;
InvalidateRelayCommands();
ExternalBridgeService.DisconnectFullControlSession();
}
#endregion
#region Override Methods
/// <summary>
/// Called when the navigation system has navigated to this VM view.
/// </summary>
public override void OnNavigatedTo()
{
base.OnNavigatedTo();
_disconnecting = false;
InvalidateRelayCommands();
}
/// <summary>
/// Called when the application has been started.
/// </summary>
public override void OnApplicationStarted()
{
ExternalBridgeService.ConnectionRequest += ExternalBridgeService_ConnectionRequest;
ExternalBridgeService.FullControlSessionDisconnected += ExternalBridgeService_FullControlSessionDisconnected;
}
#endregion
#region Event Handlers
/// <summary>
/// Handles the <see cref="ExternalBridgeService.FullControlSessionDisconnected"/> event.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
private void ExternalBridgeService_FullControlSessionDisconnected(object sender, EventArgs e)
{
if (IsVisible)
{
LogManager.Log("External bridge client disconnected. Navigating to home module...");
InvokeUI(() =>
{
NavigationManager.NavigateTo(NavigationView.HomeModule);
});
}
}
/// <summary>
/// Handles the <see cref="ExternalBridgeService.ConnectionRequest"/> event.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="ExternalBridgeClientConnectedEventArgs"/> instance containing the event data.</param>
private async void ExternalBridgeService_ConnectionRequest(object sender, ExternalBridgeClientConnectedEventArgs e)
{
LogManager.Log($"External bridge connection request received.\n{e.ToJsonString()}");
if (!e.Request.Intent.RequiresPassword() || e.Request.Password == Settings.ExternalBridgePassword)
{
e.ApplicationInformation.Version = ApplicationManager.Version.ToString();
e.ApplicationInformation.StartupDate = ApplicationManager.StartUpDate.ToUniversalTime().ToString();
Connection = e;
User = Adapter.Users.SingleOrDefault(x => x.Guid == e.Request.UserGuid);
if (User != null)
{
LogManager.Log($"External bridge connection user has been identified as {User.Contact.FullName}");
}
if (e.Request.RequireSafetyLevelOperations)
{
DateTime lastAuthenticationTime;
bool bypassSafetyConfirmation = false;
if (ExternalBridgeReceiver.LastSafetyLevelContactsTimes.TryGetValue(e.Request.UserName, out lastAuthenticationTime))
{
if (DateTime.Now < lastAuthenticationTime.AddMinutes(KEEP_SAFETY_AUTHENTICATION_MINUTES))
{
bypassSafetyConfirmation = true;
e.Confirm();
}
}
if (!bypassSafetyConfirmation)
{
SafetyLevelOperationsConfirmationViewVM vm = new SafetyLevelOperationsConfirmationViewVM(e);
await NotificationProvider.ShowDialog(vm);
if (vm.DialogResult)
{
e.Confirm();
}
else
{
e.Decline("Safety level connection refused by the remote user.");
return;
}
}
}
else
{
e.Confirm();
}
if (e.Request.Intent == ExternalBridgeLoginIntent.FullControl)
{
LogManager.Log("Navigating to external bridge view...");
InvokeUI(() =>
{
NavigationManager.NavigateTo(NavigationView.ExternalBridgeView, false);
});
}
}
else
{
e.Decline("Connection password did not match the machine external bridge password.");
LogManager.Log("Connection password did not match the machine external bridge password.");
}
}
#endregion
}
}
|
