public void RecordTaskActionHandler(RecordTaskAction message)
{
var workflowId = message.WorkflowInstanceId;
var tenantId = message.TenantId;
var auditContext = message.AuditContext;
var objId = message.TargetObjectId;
var objType = message.TargetObjectType;
var taskEvent = message.Event;
var task = message.State + "|" + message.Task;
var state = message.State;
var workflowName = message.WorkflowTemplateName;
var stateNameForLock = (string.IsNullOrEmpty(state) ? message.StateId.ToString() : state);
var stateLock = new StateLock()
{
WorkflowInstanceId = workflowId,
WorkflowInstanceTenantId = tenantId,
StateName = stateNameForLock,
};
while (lockedStates.Exists(x => x.WorkflowInstanceId == workflowId && x.StateName == stateNameForLock && x.WorkflowInstanceTenantId == tenantId))
{
System.Threading.Thread.Sleep(100);
}
lockedStates.Add(stateLock);
try
{
//System.Console.WriteLine("Event Received : " + taskEvent);
WorkflowInstance data = null;
using (var dataContext = new DataContext(message.TenantId, auditContext))
{
try
{
data = Utils.GetWorkflowInstance(dataContext, workflowId, objId, objType);
if (data == null)
{
return;
}
var stateData = data.States.Where(x => (x.Id == message.StateId)).FirstOrDefault();
if (stateData == null)
{
stateData = data.States.Where(x => (x.StateTemplate.StateName == message.State)).OrderByDescending(x => x.Id).FirstOrDefault();
if (stateData == null)
{
return;
}
}
var taskData = stateData.Tasks.Where(x => (x.Id == message.TaskId)).FirstOrDefault();
if (taskData == null)
{
taskData = stateData.Tasks.Where(x => (x.TaskTemplate.TaskName == task)).OrderByDescending(x => x.Id).FirstOrDefault();
if (taskData == null)
{
return;
}
}
var eventData = data.WorkflowTemplate.EventsTypes.FirstOrDefault(x => x.ParentName == taskData.TaskTemplate.TaskName && x.Event == taskEvent && x.Type == EventType.EventLevel.TASK);
if (eventData == null)
{
return;
}
var workflowEvent = new WorkflowEvent()
{
EventDate = DateTime.UtcNow,
EventMetaData = null,
EventType = eventData,
ExecutedBy = auditContext,
TaskParent = taskData,
WorkflowInstance = data,
};
data.Events.Add(workflowEvent);
if (data.CurrentState.Id == stateData.Id && taskData.IsCurrentTask == true)
{
TaskTemplate nextTaskTemplate = stateData.StateTemplate.Tasks.FirstOrDefault(x => x.TaskName == eventData.MoveTo);
if (nextTaskTemplate == null)
{
return;
}
taskData.IsCurrentTask = false;
PocketBoss.Models.Task newTask = new Models.Task()
{
TaskTemplate = nextTaskTemplate,
IsCurrentTask = true,
LastTask = nextTaskTemplate.LastTask,
State = stateData,
WorkflowInstance = data,
TransitionDate = DateTime.UtcNow,
TransitionedBy = auditContext,
TransitionEvent = workflowEvent,
};
stateData.Tasks.Add(newTask);
dataContext.SaveChanges();
publishNewTasks(data, newTask, message.AuditContext, message.TenantId, _bus);
}
}
catch (Exception exc)
{
}
}
using (var dataContext = new DataContext(message.TenantId, auditContext))
{
if (dataContext.Tasks.Count(x => x.LastTask == false && x.IsCurrentTask == true && x.State.IsCurrent == true && x.WorkflowInstanceId == data.Id) == 0)
{
updateStateAsComplete(data, message.AuditContext, message.TenantId, _bus);
}
}
}
catch (Exception exc)
{
}
finally
{
lockedStates.Remove(stateLock);
}
}
public void RecordStateActionHandler(RecordStateAction message)
{
var workflowId = message.WorkflowInstanceId;
var tenantId = message.TenantId;
var auditContext = message.AuditContext;
var objId = message.TargetObjectId;
var objType = message.TargetObjectType;
var stateEvent = message.Event;
var state = message.State;
using (var dataContext = new DataContext(message.TenantId, message.AuditContext))
{
try
{
var data = Utils.GetWorkflowInstance(dataContext, workflowId, objId, objType);
var transition = data.WorkflowTemplate.EventsTypes.FirstOrDefault(x => x.Event == stateEvent && ((x.Type == EventType.EventLevel.GLOBAL) || (x.Type == EventType.EventLevel.STATE && x.ParentName == state)));
data = Utils.GetWorkflowInstance(dataContext, workflowId, objId, objType);
if (data == null)
{
return;
}
var stateData = data.States.Where(x => (x.Id == message.StateId)).FirstOrDefault();
if (stateData == null)
{
stateData = data.States.Where(x => (x.StateTemplate.StateName == message.State)).OrderByDescending(x => x.Id).FirstOrDefault();
if (stateData == null)
{
return;
}
}
WorkflowEvent newEvent = null;
if (transition != null)
{
newEvent = new WorkflowEvent()
{
EventDate = DateTime.UtcNow,
EventMetaData = null,
EventType = transition,
WorkflowInstance = data,
ExecutedBy = message.AuditContext,
};
if (transition.Type == EventType.EventLevel.GLOBAL)
{
newEvent.WorkflowParent = data;
}
else
{
newEvent.StateParent = stateData;
}
data.Events.Add(newEvent);
}
else
{
return;
}
if (data.CurrentState.Id == stateData.Id || data.WorkflowTemplate.EventsTypes.Count(x => x.Type == EventType.EventLevel.GLOBAL && x.Event == stateEvent) > 0)
{
if (transition != null)
{
var nextState = data.WorkflowTemplate.States.FirstOrDefault(x => x.StateName == transition.MoveTo);
if (nextState != null)
{
var previousState = data.CurrentState;
data.CurrentState.IsCurrent = false;
data.CurrentState = new State()
{
LastState = nextState.LastState,
MetaData = null,
TransitionDate = DateTime.UtcNow,
TransitionedBy = auditContext,
TransitionEvent = newEvent,
Tasks = new List<Models.Task>(),
StateTemplate = nextState,
};
data.CurrentState.StateTemplate.Tasks.Where(x => x.FirstTask == true).ToList().ForEach(x =>
{
data.CurrentState.Tasks.Add(new Models.Task()
{
IsCurrentTask = true,
State = data.CurrentState,
TaskTemplate = x,
TransitionDate = DateTime.UtcNow,
TransitionedBy = message.AuditContext,
WorkflowInstance = data,
LastTask = x.LastTask,
});
}
);
}
data.Completed = data.CurrentState.LastState;
if (data.Completed)
{
data.EndDate = DateTime.UtcNow;
}
dataContext.SaveChanges();
Utils.PublishWorkflowState(_bus, data, message.AuditContext);
Utils.PublishNewTasks(_bus, data, message.AuditContext);
}
}
else
{
dataContext.SaveChanges();
}
}
catch (Exception exc)
{
}
}
}