private void SpawnOrTurnOffRecurrance()
{
if (IsMessage(PluginMessage.Create, PluginMessage.Update) && IsStage(PluginStage.PostEvent) &&
IsMode(PluginMode.Synchronous))
{
if (GetOptionSet(Fields.jmcg_workflowtask_.jmcg_workflowexecutiontype) != OptionSets.WorkflowTask.WorkflowExecutionType.MonitorOnly)
{
if (BooleanChangingToTrue(Fields.jmcg_workflowtask_.jmcg_on))
{
if (!GetDateTimeField(Fields.jmcg_workflowtask_.jmcg_nextexecutiontime).HasValue)
{
SetField(Fields.jmcg_workflowtask_.jmcg_nextexecutiontime, DateTime.UtcNow);
}
var workflows = WorkflowSchedulerService.GetRecurringInstances(TargetId);
if (!workflows.Any())
{
WorkflowSchedulerService.StartNewContinuousWorkflowFor(TargetId);
}
}
if (BooleanChangingToFalse(Fields.jmcg_workflowtask_.jmcg_on))
{
WorkflowSchedulerService.StopContinuousWorkflowFor(TargetId);
}
}
}
}
protected override void Execute()
{
var behindSchedule = IsBehindSchedule();
ActivityThisType.IsBehindSchedule.Set(ExecutionContext, behindSchedule);
if (behindSchedule)
{
//if there is recurring instance, but we are behind schedule
//then probably went into an error waiting state
//so lets stop it
try
{
WorkflowSchedulerService.StopContinuousWorkflowFor(TargetId);
}
catch (Exception ex)
{
Trace(string.Format("Error stopping continuous workflows: {0}", ex.XrmDisplayString()));
}
//and start a fresh continuous one
try
{
WorkflowSchedulerService.StartNewContinuousWorkflowFor(TargetId);
}
catch (Exception ex)
{
Trace(string.Format("Error starting continuous workflow: {0}", ex.XrmDisplayString()));
}
}
if (behindSchedule && Target.GetBoolean(Fields.jmcg_workflowtask_.jmcg_sendnotificationforschedulefailures))
{
var recipientQueue = Target.GetLookupGuid(Fields.jmcg_workflowtask_.jmcg_sendfailurenotificationsto);
if (!recipientQueue.HasValue)
{
throw new NullReferenceException(string.Format("Error required field {0} is empty on the target {1}", XrmService.GetFieldLabel(Fields.jmcg_workflowtask_.jmcg_sendfailurenotificationsto, TargetType), XrmService.GetEntityLabel(TargetType)));
}
var crmUrl = GetCrmURL();
var email = new HtmlEmailGenerator(XrmService, crmUrl, null);
email.AppendParagraph(string.Format("This is an automated notification that the {0} named '{1}' fell behind schedule. The system has attempted to restart the continuous workflow but any failed instance should be reviewed"
, XrmService.GetEntityLabel(TargetType)
, Target.GetStringField(Fields.jmcg_workflowtask_.jmcg_name)));
if (!string.IsNullOrWhiteSpace(crmUrl))
{
email.AppendParagraph(email.CreateHyperlink(email.CreateUrl(Target), "Open " + XrmService.GetEntityLabel(TargetType)));
}
var subject = XrmService.GetEntityLabel(TargetType) + " Schedule Failure: " + Target.GetStringField(Fields.jmcg_workflowtask_.jmcg_name);
SendNotificationEmail(Entities.queue, recipientQueue.Value, subject, email.GetContent());
Target.SetField(Fields.jmcg_workflowtask_.jmcg_minimumschedulefailuredatetime, DateTime.UtcNow);
XrmService.Update(Target, new[] { Fields.jmcg_workflowtask_.jmcg_minimumschedulefailuredatetime });
}
}