public bool ChangeWorkflowStep(CodeTorch.Core.Workflow workflow, WorkflowNextStep nextStep, string entityIDValue, string comment)
{
bool success = false;
//get current workflow step
WorkflowStep currentStep = GetCurrentWorkflowStep(workflow, entityIDValue);
//see if next workflowstep is in possible
WorkflowNextStep validNextStep = currentStep.PossibleNextSteps.
Where(s => s.Code.ToLower() == nextStep.Code.ToLower()).SingleOrDefault();
if (validNextStep != null)
{
//check comments
if ((validNextStep.RequireComment) && (String.IsNullOrEmpty(comment)))
{
throw new ApplicationException("Comments are required to change to this step");
}
else
{
WorkflowStep step = workflow.GetStepByCode(validNextStep.Code);
string userName;
userName = UserIdentityService.GetInstance().IdentityProvider.GetUserName();
using (TransactionScope rootScope = TransactionUtils.CreateTransactionScope())
{
foreach (BaseWorkflowAction action in step.Actions)
{
action.Execute(null, workflow.Code, currentStep.Code, validNextStep.Code, entityIDValue, comment, userName);
}
//update workflow step
SetStep(workflow, step, entityIDValue, comment);
if (step.UpdateEntityWithStatusCode)
{
//update existing table status
SetEntityStatus(workflow, step, entityIDValue);
}
success = true;
rootScope.Complete();
}
}
}
else
{
//invalid - someone may have changed status
throw new ApplicationException("Status cannot be changed at this time");
}
return(success);
}
protected override string GetDisplayText(object value)
{
WorkflowNextStep step = (WorkflowNextStep)value;
string retVal = step.Name;
return(base.GetDisplayText(retVal));
}
protected void Save_Click(object sender, EventArgs e)
{
//perform validation
try
{
if (String.IsNullOrEmpty(StatusList.SelectedValue))
{
throw new ApplicationException("Status is required");
}
WorkflowNextStep nextstep =
step.PossibleNextSteps
.Where(s =>
(
(s.Code.ToLower() == StatusList.SelectedValue.ToLower())
)
)
.SingleOrDefault();
if (nextstep != null)
{
if (nextstep.RequireComment)
{
if (String.IsNullOrEmpty(Comments.Text))
{
throw new ApplicationException("Comments are required to change to this status");
}
}
//all is well execute workflow
bool Success = WorkflowService.GetInstance().GetProvider(workflow).ChangeWorkflowStep(workflow, nextstep, EntityID, Comments.Text);
if (Success)
{
this.ClientScript.RegisterStartupScript(this.GetType(), "OnLoad", BuildCloseWindowJavascript(nextstep.Name));
}
}
}
catch (Exception ex)
{
string MessageFormat = "The following error(s) occurred:<br/>{0}";
Message.Visible = true;
Message.Text = String.Format(MessageFormat, ex.Message);
Message.CssClass = "ErrorMessages";
}
}
protected override void Execute(NativeActivityContext context)
{
// RESET APPLICATION REFERENCE ON WORK QUEUE ITEM
WorkQueueItem.Get(context).Application = WorkflowManager.Get(context).Application;
// ENSURE THAT THE ITEM IS ASSIGNED TO USER
WorkQueueItem.Get(context).SelfAssign("Workflow Suspend Work Queue Item", false);
// ATTEMPT TO SUSPEND THE ITEM
Success.Set(context, WorkQueueItem.Get(context).Suspend(
WorkflowLastStep.Get(context),
WorkflowNextStep.Get(context),
ConstraintDays.Get(context),
MilestoneDays.Get(context),
ReleaseItem.Get(context)
));
if (!Success.Get(context)) // THROW EXCEPTION IF UNABLE TO SUSPEND
{
CommonFunctions.RaiseActivityException(WorkflowManager.Get(context).Application,
1,
WorkQueueItem.Get(context).Id,
WorkflowSteps.Get(context),
WorkflowManager.Get(context).Application.LastException.Message
);
}
// RECORD WORKFLOW STEPS
Workflows.Activities.CommonFunctions.WorkflowStepsAdd(
WorkflowManager.Get(context).Application,
1,
WorkQueueItem.Get(context).Id,
WorkflowSteps.Get(context),
"Suspend for Next Step: " + WorkflowNextStep.Get(context) +
" | Constraint Days: " + ConstraintDays.Get(context).ToString() +
" | Milestone Days: " + MilestoneDays.Get(context).ToString()
);
// SAVE WORKFLOW STEPS
WorkflowManager.Get(context).Application.WorkQueueItemWorkflowStepsSave(WorkQueueItem.Get(context).Id, WorkflowSteps.Get(context));
// EVALUATE IF WE WANT TO SUSPEND THE WORKFLOW TOO, OR JUST THE WORKFLOW ITEM AND LET THE WORKFLOW CONTINUE
if (SuspendWorkflow.Get(context))
{
// MARK WORKFLOW AS SUSPEND USING WORKFLOW MANAGER
WorkflowManager.Get(context).WorkflowStatus = WorkflowStatus.Suspended;
// CREATE A BOOKMARK SET TO THE WORKFLOW INSTANCE ID TO MAKE IT UNIQUE
context.CreateBookmark(context.WorkflowInstanceId.ToString(), new BookmarkCallback(this.ResumeWorkflow));
}
return;
}
