/// <summary>
/// Gets work based on a known transition timespan.
/// </summary>
/// <param name="session">A secure Session.</param>
/// <param name="formId">The form id.</param>
/// <param name="state">The Workflow State.</param>
/// <param name="transition">The Workflow Transision.</param>
/// <param name="work">The work list to update.</param>
private void GetWorkAfterTimespan(SecureSession session, string formId, WorkflowState state, WorkflowTransition transition, UnitOfWorkList<ApplicationWorkItem> work)
{
DateTime? lastTransitionDate = transition.GetKnownTransitionDateTime();
if (lastTransitionDate != null)
{
ApplicationSearchFilter filter = new ApplicationSearchFilter
{
ApplicationStates = new List<string> { state.Name },
StateTransitionDate = new DateTimeRange()
{
To = lastTransitionDate
}
};
// Pagination pagination = new Pagination() { PageIndex = 0, PageSize = 50 };
Pagination pagination = null;
IEnumerable<Application> apps = this.formServiceGateway.SearchApplications(session, formId, filter, pagination);
work.AddRange(apps.Select(app => new ApplicationWorkItem
{
Application = app,
Transition = transition
}).Select(workItem => new UnitOfWork<ApplicationWorkItem>(workItem)));
}
}
/// <summary>
/// Gets work for all applicaiotns in the specified state.
/// </summary>
/// <param name="session">A secure Session.</param>
/// <param name="formId">The form id.</param>
/// <param name="state">The Workflow State.</param>
/// <param name="transition">The Workflow Transision.</param>
/// <param name="work">The work list to update.</param>
private void GetAllEventsInState(SecureSession session, string formId, WorkflowState state, WorkflowTransition transition, UnitOfWorkList<ApplicationWorkItem> work)
{
ApplicationSearchFilter filter = new ApplicationSearchFilter
{
ApplicationStates = new List<string> { state.Name }
};
IEnumerable<Application> apps = this.formServiceGateway.SearchApplications(session, formId, filter);
work.AddRange(apps.Select(app => new ApplicationWorkItem
{
Application = app,
Transition = transition
}).Select(workItem => new UnitOfWork<ApplicationWorkItem>(workItem)));
}
/// <summary>
/// Gets work fo all apps in a geven state after a fixed point in time.
/// </summary>
/// <param name="session">A secure Session.</param>
/// <param name="formId">The form id.</param>
/// <param name="state">The Workflow State.</param>
/// <param name="transition">The Workflow Transision.</param>
/// <param name="work">The work list to update.</param>
private void GetWorkAfterDateTime(SecureSession session, string formId, WorkflowState state, WorkflowTransition transition, UnitOfWorkList<ApplicationWorkItem> work)
{
if (transition.ExitStateName == state.Name)
{
return;
}
ApplicationSearchFilter filter = new ApplicationSearchFilter
{
ApplicationStates = new List<string> { state.Name }
};
IEnumerable<Application> apps = null;
if (transition.OnDateTimeCompare == ComparisonType.Value)
{
DateTime? pointInTime = transition.GetOnDateTimeTransitionDateTime();
if (pointInTime != null && pointInTime <= DateTime.Now)
{
apps = this.formServiceGateway.SearchApplications(session, formId, filter, null);
}
}
if (transition.OnDateTimeCompare == ComparisonType.Field && !string.IsNullOrEmpty(transition.OnDateTimeField))
{
var offset = DateTime.Now;
if (!string.IsNullOrEmpty(transition.OnDateTimeOffset))
{
offset = offset.Subtract(transition.OnDateTimeOffset);
}
filter.ApplicationDataDates = new Dictionary<string, DateTimeRange>
{
{ transition.OnDateTimeField, new DateTimeRange() { To = offset } }
};
apps = this.formServiceGateway.SearchApplications(session, formId, filter);
}
if (apps != null)
{
work.AddRange(apps.Select(app => new ApplicationWorkItem
{
Application = app,
Transition = transition
}).Select(workItem => new UnitOfWork<ApplicationWorkItem>(workItem)));
}
}
/// <summary>
/// Finds the states that have any time system transitions.
/// </summary>
/// <param name="session">A <see cref="SecureSession"/> session object.</param>
/// <param name="formId">A form ID.</param>
/// <param name="state">A <see cref="WorkflowState"/> object.</param>
/// <returns>The states that have any time system transitions.</returns>
private UnitOfWorkList<ApplicationWorkItem> FindWork(SecureSession session, string formId, WorkflowState state)
{
UnitOfWorkList<ApplicationWorkItem> work = new UnitOfWorkList<ApplicationWorkItem>();
foreach (WorkflowTransition transition in state.Transitions)
{
switch (transition.Trigger)
{
case TriggerEvent.AfterDateTime:
this.GetWorkAfterTimespan(session, formId, state, transition, work);
break;
case TriggerEvent.OnDateTime:
this.GetWorkAfterDateTime(session, formId, state, transition, work);
break;
case TriggerEvent.AtAnyTime:
this.GetAllEventsInState(session, formId, state, transition, work);
break;
case TriggerEvent.EmailLink:
Dictionary<string, WorkflowAction> actionList = this.GetAllWorkflowActionsForTransition(formId);
foreach (var item in actionList)
{
var appId = item.Key;
var action = item.Value;
var app = this.formServiceGateway.GetApplication(session, appId);
ApplicationWorkItem workItem = new ApplicationWorkItem
{
Application = app,
Transition = transition
};
workItem.Transition = state.Transitions.FirstOrDefault(t => t.Name == action.WorkflowActionData.TransitionName) ?? transition;
workItem.EmailAddress = action.WorkflowActionData.EmailAddress;
workItem.UserId = action.WorkflowActionData.UserId;
work.Add(new UnitOfWork<ApplicationWorkItem>(workItem));
}
break;
}
}
return work;
}