1 files changed, 61 insertions, 0 deletions
diff --git a/Software/Visual_Studio/PPC/Tango.PPC.Common/MachineUpdate/MachineUpdateManager.cs b/Software/Visual_Studio/PPC/Tango.PPC.Common/MachineUpdate/MachineUpdateManager.cs
index 658c323de..e98f6d717 100644
--- a/Software/Visual_Studio/PPC/Tango.PPC.Common/MachineUpdate/MachineUpdateManager.cs
+++ b/Software/Visual_Studio/PPC/Tango.PPC.Common/MachineUpdate/MachineUpdateManager.cs
@@ -37,10 +37,17 @@ namespace Tango.PPC.Common.MachineUpdate
         private IPackageRunner _packageRunner;
         private PPCWebClient _client;
         private List<LogItemBase> _logs;
+        private System.Timers.Timer _checkForUpdateTimer;
+        private bool _isUpdating;
 
         #region Events
 
         /// <summary>
+        /// Occurs when an application update is available.
+        /// </summary>
+        public event EventHandler<CheckForUpdateResponse> UpdateAvailable;
+
+        /// <summary>
         /// Occurs when there is a text log message available.
         /// </summary>
         public event EventHandler<string> ProgressLog;
@@ -55,12 +62,25 @@ namespace Tango.PPC.Common.MachineUpdate
         #region Properties
 
         private MachineUpdateProgress _status;
+        /// <summary>
+        /// Gets the current machine update progress status.
+        /// </summary>
         public MachineUpdateProgress Status
         {
             get { return _status; }
             private set { _status = value; RaisePropertyChangedAuto(); }
         }
 
+        private bool _autoCheckForUpdates;
+        /// <summary>
+        /// Gets or sets a value indicating whether to automatically check for new application updates.
+        /// </summary>
+        public bool AutoCheckForUpdates
+        {
+            get { return _autoCheckForUpdates; }
+            set { _autoCheckForUpdates = value; RaisePropertyChangedAuto(); }
+        }
+
         #endregion
 
         #region Constructors
@@ -79,6 +99,10 @@ namespace Tango.PPC.Common.MachineUpdate
 
             _logs = new List<LogItemBase>();
             LogManager.NewLog += LogManager_NewLog;
+
+            _checkForUpdateTimer = new System.Timers.Timer(TimeSpan.FromMinutes(1).TotalMilliseconds);
+            _checkForUpdateTimer.Elapsed += _checkForUpdateTimer_Elapsed;
+            _checkForUpdateTimer.Start();
         }
 
         #endregion
@@ -159,6 +183,8 @@ namespace Tango.PPC.Common.MachineUpdate
                     LogManager.Log(xx, "Error notifying update failed.");
                 }
             }
+
+            _isUpdating = false;
         }
 
         private async void OnCompleted(MachineUpdateResult result, TaskCompletionSource<MachineUpdateResult> completionSource, DownloadUpdateResponse response, String dbBackupFile)
@@ -186,6 +212,8 @@ namespace Tango.PPC.Common.MachineUpdate
                     LogManager.Log(ex, "Error notifying update completed.");
                 }
             }
+
+            _isUpdating = false;
         }
 
         private void OnCompleted(UpdateDBResponse response)
@@ -205,6 +233,8 @@ namespace Tango.PPC.Common.MachineUpdate
                     LogManager.Log(ex, "Error notifying database completed.");
                 }
             }
+
+            _isUpdating = false;
         }
 
         private void OnFailed(Exception ex, UpdateDBResponse response, bool performDatabaseRollback, String dbBackupFile, Tango.Core.DataSource localDataSource)
@@ -256,6 +286,8 @@ namespace Tango.PPC.Common.MachineUpdate
                     LogManager.Log(xx, "Error notifying database failed.");
                 }
             }
+
+            _isUpdating = false;
         }
 
         private String GetLogsStringAndClear()
@@ -295,6 +327,8 @@ namespace Tango.PPC.Common.MachineUpdate
 
             try
             {
+                _isUpdating = true;
+
                 var machineServiceAddress = SettingsManager.Default.GetOrCreate<PPCSettings>().GetMachineServiceAddress();
 
                 LogManager.Log($"Starting machine update for serial number {serialNumber}...");
@@ -594,6 +628,7 @@ namespace Tango.PPC.Common.MachineUpdate
 
             return Task.Factory.StartNew(() =>
             {
+                _isUpdating = true;
                 UpdateDBResponse update_response = null;
                 var localDataSource = SettingsManager.Default.GetOrCreate<CoreSettings>().DataSource;
                 bool performDatabaseRollback = false;
@@ -930,5 +965,31 @@ namespace Tango.PPC.Common.MachineUpdate
         }
 
         #endregion
+
+        #region Auto Check For Update
+
+        private async void _checkForUpdateTimer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
+        {
+            if (AutoCheckForUpdates && !_isUpdating)
+            {
+                _checkForUpdateTimer.Stop();
+
+                try
+                {
+                    var response = await CheckForUpdate(_machineProvider.Machine.SerialNumber);
+                    if (response.IsUpdateAvailable)
+                    {
+                        _checkForUpdateTimer.Interval = TimeSpan.FromMinutes(60).TotalMilliseconds;
+                        LogManager.Log($"New application version detected ({response.Version}). Raising event...");
+                        UpdateAvailable?.Invoke(this, response);
+                    }
+                }
+                catch { }
+
+                _checkForUpdateTimer.Start();
+            }
+        }
+
+        #endregion
     }
 }