public Task <string> QueueStartAction(string processId, string actionId)
{
var process = _processStore.GetProcessAsync(processId);
var newId = Guid.NewGuid().ToString();
_taskQueue.Enqueue(new ActionTask()
{
ProcessId = processId,
ProcessItemId = newId,
ActionId = actionId
});
return(Task.FromResult <string>(newId));
}
public async Task ProcessActionTask(IEngineTask task)
{
var actionTask = task as ActionTask;
var process = await _processStore.GetProcessAsync(actionTask.ProcessId);
var processItem = await _processItemEventStore.GetProcessItemAsync(actionTask.ProcessItemId);
if (processItem == null)
{
var action = process.StartActions[actionTask.ActionId];
if (action == null)
{
throw new Exception("Start action not found, and process item is null.");
}
processItem = new ProcessItem();
processItem.ApplyMutation(new CreationActionProcessItemMutation()
{
ProcessItemId = actionTask.ProcessItemId,
ActionId = actionTask.ActionId,
TargetStepId = action.ArrivalStep,
PropertyChanges = actionTask.PropertyChanges
});
_processItemEventStore.StoreUnsavedMutations((IProcessItemEventContainer)processItem,
(processItemMutationId, mutationDateTimeUtc) =>
{
processItem.SetProcessItemState(processItemMutationId, mutationDateTimeUtc);
});
}
else
{
_taskValidatorFactory(EngineTaskValidatorKinds.CurrentUserCanLockProcessItem).Validate(task, processItem);
_taskValidatorFactory(EngineTaskValidatorKinds.RequestIsForTheMostRecentState).Validate(task, processItem);
if (process.Steps.TryGetValue(processItem.CurrentStepId, out var step))
{
if (step.Actions.TryGetValue(actionTask.ActionId, out var action))
{
processItem.ApplyMutation(new ActionProcessItemMutation()
{
ActionId = actionTask.ActionId,
TargetStepId = action.ArrivalStep,
PropertyChanges = actionTask.PropertyChanges
});
_processItemEventStore.StoreUnsavedMutations((IProcessItemEventContainer)processItem,
(processItemMutationId, mutationDateTimeUtc) =>
{
processItem.SetProcessItemState(processItemMutationId, mutationDateTimeUtc);
});
}
else
{
throw new ActionNotFoundException(actionTask.ProcessItemId, actionTask.ProcessId, actionTask.PrincipalId, processItem.CurrentStepId, actionTask.ActionId);
}
}
else
{
throw new Exception("Step not found.");
}
}
_eventQueue.PublishEvent(new EventNotification()
{
ProcessId = actionTask.ProcessId,
ProcessItemId = actionTask.ProcessItemId,
ActionId = actionTask.ActionId,
NotificationKind = EventNotificationKinds.Action
});
}
