public void InitiateWorkflowRequestHandler(InitiateWorkflowRequest message)
{
InitiateWorkflowResponse response = null;
try
{
response = new InitiateWorkflowResponse();
using (var dataContext = new DataContext(message.TenantId, message.AuditContext))
{
response.AuditContext = message.AuditContext;
response.CorrelationId = message.CorrelationId;
response.TenantId = message.TenantId;
var newWorkflow = makeNewWorkflowInstance(message, dataContext, _bus);
response.WorkflowInstanceId = newWorkflow.Id;
_bus.Reply(response);
Utils.PublishWorkflowState(_bus, newWorkflow, message.AuditContext);
Utils.PublishNewTasks(_bus, newWorkflow, message.AuditContext);
}
}
catch (Exception exc)
{
response = null;
_bus.Reply(response, 0);
}
}
private static WorkflowInstance makeNewWorkflowInstance(InitiateWorkflowRequest message, DataContext dataContext, IMessagingService bus)
{
var objType = message.TargetObjectType;
var newWorkflow = new WorkflowInstance();
newWorkflow.TargetObjectId = message.TargetObjectId;
newWorkflow.TargetObjectTenantId = message.TenantId;
newWorkflow.WorkflowTemplate = Utils.GetWorkflowTemplate(dataContext, null, objType, message.WorkflowTemplateName);
newWorkflow.StartDate = DateTime.UtcNow;
newWorkflow.Completed = false;
newWorkflow.CurrentState = new State()
{
LastState = false,
MetaData = null,
StateTemplate = newWorkflow.WorkflowTemplate.States.FirstOrDefault(x => x.FirstState),
TransitionDate = DateTime.UtcNow,
TransitionedBy = message.AuditContext,
TransitionEvent = new WorkflowEvent()
{
EventDate = DateTime.UtcNow,
EventType = newWorkflow.WorkflowTemplate.EventsTypes.FirstOrDefault(x => x.Event == "Start_Workflow"),
ExecutedBy = message.AuditContext,
StateParent = newWorkflow.CurrentState,
WorkflowInstance = newWorkflow,
},
Tasks = new List<Models.Task>(),
};
newWorkflow.CurrentState.StateTemplate.Tasks.Where(x => x.FirstTask == true).ToList().ForEach(x =>
{
newWorkflow.CurrentState.Tasks.Add(new Models.Task()
{
IsCurrentTask = true,
State = newWorkflow.CurrentState,
TaskTemplate = x,
TransitionDate = DateTime.UtcNow,
TransitionedBy = message.AuditContext,
WorkflowInstance = newWorkflow,
});
}
);
newWorkflow.TargetObjectType = message.TargetObjectType;
dataContext.WorkflowInstances.Add(newWorkflow);
dataContext.SaveChanges();
return newWorkflow;
}
static void Main(string[] args)
{
IMessagingService bus = IoCContext.Current.Container.Resolve<IMessagingService>();
IDictionary<string, string> settings = new Dictionary<string, string>();
settings.Add("EndpointName", "PocketBoss_Test_Client");
settings.Add("HandlersAssembly", "PocketBoss.TestingCLI.exe");
bus.OpenConnection(settings);
bus.AddSubscription<WorkflowStateNotification>();
bus.AddSubscription<WorkflowTaskNotification>();
System.Console.WriteLine("Press enter to start workflow");
var templatesRequest = new GetWorkflowTemplatesRequest()
{
AuditContext = "Console App",
CorrelationId = Guid.NewGuid(),
TargetObjectType = "PocketBoss.Samples.User",
TenantId = System.Guid.Empty
};
GetWorkflowTemplatesResponse templateLookupData = null;
long workflowTemplateId;
templateLookupData = bus.Send<GetWorkflowTemplatesRequest, GetWorkflowTemplatesResponse>(templatesRequest).Result;
System.Console.WriteLine("Workflows Registered:" + templateLookupData.WorkflowTemplates.Count());
if (!templateLookupData.WorkflowTemplates.Exists(t => t.WorkflowTemplateName.Contains("Sample Workflow")))
{
System.Console.WriteLine("Test Workflow not seeded");
System.Console.Read();
return;
}
else
{
workflowTemplateId = templateLookupData.WorkflowTemplates[0].WorkflowTemplateId;
}
while (Console.ReadLine() != null)
{
WorkflowTemplate workflowTemplate = new WorkflowTemplate();
GetSingleWorkflowTemplateRequest templateRequest = new GetSingleWorkflowTemplateRequest()
{
AuditContext = "Console App",
CorrelationId = Guid.NewGuid(),
TenantId = System.Guid.Empty,
WorkflowTemplateId = workflowTemplateId
};
GetSingleWorkflowTemplateResponse searchResponse = bus.Send<GetSingleWorkflowTemplateRequest, GetSingleWorkflowTemplateResponse>(templateRequest).Result;
workflowTemplate = searchResponse.WorkflowTemplate;
var startWorkflowInstance = new InitiateWorkflowRequest()
{
AuditContext = "Console App",
CorrelationId = Guid.NewGuid(),
TargetObjectId = DateTime.Now.Ticks.ToString(),
TargetObjectType = workflowTemplate.TargetObjectType,
TenantId = System.Guid.Empty,
WorkflowTemplateName = workflowTemplate.WorkflowName
};
long workflowInstanceId = 0;
InitiateWorkflowResponse initializeResponse = bus.Send<InitiateWorkflowRequest, InitiateWorkflowResponse>(startWorkflowInstance).Result;
workflowInstanceId = initializeResponse.WorkflowInstanceId;
System.Console.WriteLine("Workflow InstanceId = " + workflowInstanceId.ToString());
}
}
