/// <summary>
/// Tasks the clerk engine start.
/// </summary>
public override void StartEngine()
{
base.StartEngine();
DateTime lastShutdown = (DateTime)SettingsProvider.Get("LastStopEngine", DateTime.MinValue);
if (lastShutdown != DateTime.MinValue)
{
ForcedShutDownDetected(lastShutdown);
}
this.HeartBeat += AppContext_HeartBeat;
bool startTaskActivity = (bool)SettingsProvider.Get("StartTaskEnabled", false);
if (startTaskActivity == true)
{
TaskDescription taskDescription =
(TaskDescription)SettingsProvider.Get("StartTaskDescription", TaskDescription.Empty);
if (taskDescription.IsNotEmpty())
{
HandleNewTaskActivity(taskDescription, DateTime.Now);
}
taskDescription =
SettingsProvider.Get("StartTaskDescription2", TaskDescription.Empty) as TaskDescription;
if (taskDescription != null && taskDescription.IsNotEmpty())
{
HandleNewTaskActivity(taskDescription, DateTime.Now);
}
}
BackupData();
Trace.TraceInformation(
"AppContext:TaskClerkEngineStart[TaskClerk has successfully started and is ready for user input.]");
}
/// <summary>
/// Tasks the clerk engine end.
/// </summary>
public override void StopEngine()
{
base.StopEngine();
SettingsProvider.Set("AppEndTime", DateTime.Now, PersistHint.AcrossSessions);
bool stopTaskActivity = (bool)SettingsProvider.Get("StopTaskEnabled", false);
if (stopTaskActivity == true)
{
TaskDescription taskDescription =
(TaskDescription)SettingsProvider.Get("StopTaskDescription", TaskDescription.Empty);
if (taskDescription.IsNotEmpty())
{
HandleNewTaskActivity(taskDescription, DateTime.Now);
}
}
Trace.TraceInformation("AppContext:TaskClerkEngineEnd[TaskClerk has successfully shutdown.]");
Application.Exit();
}
/// <summary>
/// Provides the business logic for handling a new TaskActivity
/// </summary>
/// <param name="taskDescription">The task description.</param>
/// <param name="crossTabTaskDescription">The task description for cross tab.</param>
/// <param name="effectiveDateTime">The effective date time.</param>
public void HandleNewTaskActivity(TaskDescription taskDescription, TaskDescription crossTabTaskDescription,
DateTime effectiveDateTime)
{
if (taskDescription == null)
{
throw new ArgumentNullException("taskDescription");
}
if (taskDescription.IsNotEmpty())
{
// update SelectedTaskDescription
SettingsProvider.Set(STRING_SELECTEDTASKDESCRIPTION, taskDescription, PersistHint.AcrossSessions);
// Close off the current activity
TaskActivity currentActivity =
(TaskActivity)SettingsProvider.Get(STRING_CURRENTTASK, TaskActivity.Empty);
if (currentActivity.IsNotEmpty())
{
if (currentActivity.EndDate == DateTime.MinValue)
{
currentActivity.EndDate = effectiveDateTime;
currentActivity.UserId = IdentityProvider.Principal.Identity.Name;
TaskActivitiesProvider.CompleteActivity(currentActivity);
}
SettingsProvider.Set(STRING_PREVIOUSTASK, currentActivity, PersistHint.AcrossSessions);
}
// create a new task activity
TaskActivity newActivity = new TaskActivity(taskDescription, IdentityProvider.Principal.Identity.Name);
newActivity.StartDate = effectiveDateTime;
if(crossTabTaskDescription != null)
newActivity.CrosstabTaskDescription = crossTabTaskDescription;
SettingsProvider.Set(STRING_CURRENTTASK, newActivity, PersistHint.AcrossSessions);
TaskActivitiesProvider.BeginActivity(newActivity);
if (taskDescription.IsEvent)
{
// because the selected event is an event also close it off
newActivity.EndDate = newActivity.StartDate.AddSeconds(1);
newActivity.UserId = IdentityProvider.Principal.Identity.Name;
TaskActivitiesProvider.CompleteActivity(newActivity);
// now set the current activity to null
SettingsProvider.Set(STRING_CURRENTTASK, TaskActivity.Empty, PersistHint.AcrossSessions);
}
Trace.TraceInformation("AppContext:HandleNewTaskActivity");
}
}