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
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
|
using Google.Protobuf;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Tango.Core.Commands;
using Tango.Core.Helpers;
using Tango.DAL.Observables;
using Tango.Integration.Services;
using Tango.MachineStudio.Common.Notifications;
using Tango.MachineStudio.Common.StudioApplication;
using Tango.MachineStudio.Synchronization.Navigation;
using Tango.PMR.Integration;
using Tango.SharedUI;
using Tango.Synchronization;
using Tango.Synchronization.Local;
using Tango.Synchronization.Remote;
namespace Tango.MachineStudio.Synchronization.ViewModels
{
public class DirectSynchronizationViewVM : ViewModel
{
private SyncNavigationManager _navigation;
private String _slaveDBFile;
private String _masterDBFile;
private LocalDBComparer _comparer;
private INotificationProvider _notification;
private bool _isWorking;
public IStudioApplicationManager ApplicationManager { get; set; }
public DirectSynchronizationViewVM(IStudioApplicationManager applicationManager, SyncNavigationManager navigation, INotificationProvider notification)
{
ApplicationManager = applicationManager;
_navigation = navigation;
_notification = notification;
BackCommand = new RelayCommand(() => _navigation.NavigateTo(NavigationView.MenuView));
Differences = new ObservableCollection<Diff>();
CompareCommand = new RelayCommand(Compare, (x) => !_isWorking && SelectedMachine != null);
CommitAllCommand = new RelayCommand(Synchronize, (x) => Differences.Count > 0 && !_isWorking && SelectedMachine != null);
}
#region Commands
/// <summary>
/// Gets or sets the back command.
/// </summary>
public RelayCommand BackCommand { get; set; }
/// <summary>
/// Gets or sets the browse master database command.
/// </summary>
public RelayCommand BrowseMasterDBCommand { get; set; }
/// <summary>
/// Gets or sets the browse slave database command.
/// </summary>
public RelayCommand BrowseSlaveDBCommand { get; set; }
/// <summary>
/// Gets or sets the compare command.
/// </summary>
public RelayCommand CompareCommand { get; set; }
/// <summary>
/// Gets or sets the commit command.
/// </summary>
public RelayCommand CommitCommand { get; set; }
/// <summary>
/// Gets or sets the commit all command.
/// </summary>
public RelayCommand CommitAllCommand { get; set; }
/// <summary>
/// Gets or sets the clean command.
/// </summary>
public RelayCommand CleanCommand { get; set; }
#endregion
#region Properties
private bool _isClearMachine;
/// <summary>
/// Gets or sets a value indicating whether this instance is clear machine.
/// </summary>
public bool IsClearMachine
{
get { return _isClearMachine; }
set
{
_isClearMachine = value;
RaisePropertyChangedAuto();
}
}
private ObservableCollection<Diff> _differences;
/// <summary>
/// Gets or sets the differences.
/// </summary>
public ObservableCollection<Diff> Differences
{
get { return _differences; }
set { _differences = value; RaisePropertyChanged(nameof(Differences)); }
}
private Diff _selectedDifference;
/// <summary>
/// Gets or sets the selected difference.
/// </summary>
public Diff SelectedDifference
{
get { return _selectedDifference; }
set { _selectedDifference = value; RaisePropertyChanged(nameof(SelectedDifference)); InvalidateRelayCommands(); }
}
private Machine _selectedMachine;
/// <summary>
/// Gets or sets the selected machine.
/// </summary>
public Machine SelectedMachine
{
get { return _selectedMachine; }
set { _selectedMachine = value; RaisePropertyChangedAuto(); InvalidateRelayCommands(); }
}
#endregion
private void Compare()
{
if (SelectedMachine.SerialNumber != ApplicationManager.ConnectedMachine.SerialNumber)
{
if (!_notification.ShowQuestion("The selected machine serial number does not match the connected machine. Are you sure you want to continue?"))
{
return;
}
}
Task.Factory.StartNew(async () =>
{
using (_notification.PushTaskItem("Downloading machine database..."))
{
try
{
_isWorking = true;
InvalidateRelayCommands();
Thread.Sleep(1500);
ApplicationManager.ConnectedMachine.RequestTimeout = TimeSpan.FromSeconds(10);
var response = await ApplicationManager.ConnectedMachine.SendRequest<DirectSynchronizationRequest, DirectSynchronizationResponse>(new DirectSynchronizationRequest());
using (_notification.PushTaskItem("Generating temporary files..."))
{
String tempFolder = PathHelper.GetTempFolderPath();
//File path for the reflected remote data base SQLite.
_masterDBFile = Path.Combine(tempFolder, "Remote.db");
//File path for the received machine SQLite db.
_slaveDBFile = Path.Combine(tempFolder, "Local.db");
//Save the machine db to file.
File.WriteAllBytes(_slaveDBFile, response.Message.LocalDB.ToByteArray());
//Copy the SQLite db template.
File.Copy(Path.Combine(PathHelper.GetStartupPath(), "Tango.db"), _masterDBFile);
//Synchronize the SQL Server db with the new SQLite template. (Overwrite basically)
RemoteDBSynchronizer.Synchronize(_masterDBFile, SelectedMachine.SerialNumber, true);
using (_notification.PushTaskItem("Comparing database..."))
{
_comparer = new LocalDBComparer(new SQLiteDataBase(_masterDBFile), new SQLiteDataBase(_slaveDBFile));
var diffs = _comparer.Compare();
Differences = new ObservableCollection<Diff>(diffs);
if (diffs.Where(x => x.Action != DiffAction.ReplaceTableDataInSlave).Count() > 0)
{
ShowInfo("Found " + Differences.Where(x => x.Action != DiffAction.ReplaceTableDataInSlave).Count() + " differences.");
}
else
{
ShowInfo("The machine database is synchronized.");
}
}
}
}
catch (Exception ex)
{
ShowError(ex.Message);
}
finally
{
_isWorking = false;
SelectedDifference = null;
InvalidateRelayCommands();
}
}
});
}
private void Synchronize()
{
if (IsClearMachine)
{
if (!_notification.ShowQuestion("This will erase and override the existing machine database. Do you want to proceed?"))
{
return;
}
}
Task.Factory.StartNew(async () =>
{
using (_notification.PushTaskItem("Synchronizing..."))
{
try
{
_isWorking = true;
InvalidateRelayCommands();
Thread.Sleep(1500);
for (int i = 0; i < Differences.Count; i++)
{
var diff = Differences[i];
diff.Commit();
InvokeUINow(() => Differences.Remove(diff));
i--;
}
_comparer.Dispose();
byte[] remoteDbBytes = IsClearMachine ? File.ReadAllBytes(_masterDBFile) : File.ReadAllBytes(_slaveDBFile);
var response = await ApplicationManager.ConnectedMachine.SendRequest<OverrideDataBaseRequest, OverrideDataBaseResponse>(new OverrideDataBaseRequest()
{
RemoteDB = ByteString.CopyFrom(remoteDbBytes)
});
if (!response.Message.Successful)
{
ShowError("The remote machine has reported some error while trying to override the database.");
}
else
{
PathHelper.TryDeleteFile(_slaveDBFile);
PathHelper.TryDeleteFile(_masterDBFile);
_slaveDBFile = null;
_masterDBFile = null;
InvalidateRelayCommands();
}
}
catch (Exception ex)
{
ShowError(ex.Message);
}
finally
{
_isWorking = false;
SelectedDifference = null;
InvalidateRelayCommands();
}
}
});
}
private void ShowError(String message)
{
InvokeUINow(() => _notification.ShowError(message));
}
private void ShowInfo(String message)
{
InvokeUINow(() => _notification.ShowInfo(message));
}
}
}
|
