static bool EvaluateWorkflowIsReadyForTransition(GenericExampleModel model)
{
var readyForTransition = false;
var status = JsonConvert.DeserializeObject <JToken>(model.Status);
var state = (WorkflowState)status["state"].ToObject <int>();
switch (state)
{
case WorkflowState.ToDo:
// all "preliminary" tasks must be completed before being considered "in progress"
readyForTransition = model.Tasks.Where(t => t.Variety == GenericExampleTaskVariety.Preliminary).All(t => t.Completed);
break;
case WorkflowState.Doing:
// all "communicative" tasks must be completed
readyForTransition = model.Tasks.Where(t => t.Variety == GenericExampleTaskVariety.Communicative).All(t => t.Completed);
break;
case WorkflowState.Waiting:
// all "administrative" tasks must be completed
readyForTransition = model.Tasks.Where(t => t.Variety == GenericExampleTaskVariety.Administrative).All(t => t.Completed);
break;
}
return(readyForTransition);
}
static void ProcessModel(GenericExampleModel model, bool pauseExecution = false)
{
var nodes = DeserializeNodes();
var currentNode = JsonConvert.DeserializeObject <JToken>(model.Status);
var matchingCurrent = nodes.Find(n => JToken.DeepEquals(currentNode, n));
var indexOfCurrent = nodes.IndexOf(matchingCurrent);
var nextNode = nodes[indexOfCurrent + 1];
if (JToken.DeepEquals(nextNode["state"], currentNode["state"]))
{
model.Status = nextNode.ToString();
model.StatusDisplay = nextNode["statusName"].ToString();
}
else
{
var ready = EvaluateWorkflowIsReadyForTransition(model);
if (ready)
{
var success = PopNextWorkflow((WorkflowState)currentNode["state"].ToObject <int>(), pauseExecution);
if (success)
{
model.Status = nextNode.ToString();
model.StatusDisplay = nextNode["statusName"].ToString();
}
}
}
Console.WriteLine($"current status: {model.StatusDisplay}");
}
static void Main(string[] args)
{
var model = new GenericExampleModel();
InitModel(model);
Console.WriteLine("initiating sequence:");
Console.WriteLine($"current status: {model.StatusDisplay}");
Console.ReadLine();
// assign model
ProcessModel(model);
Console.ReadLine();
// commence work
ProcessModel(model);
Console.ReadLine();
// waiting on 3rd party
ProcessModel(model, true);
Console.ReadLine();
// compiling results
ProcessModel(model);
Console.ReadLine();
// completion
ProcessModel(model);
Console.ReadLine();
Console.WriteLine("sequence completed.");
Console.ReadLine();
}
static void InitModel(GenericExampleModel model)
{
model.Id = 1;
model.Tasks = new List <GenericExampleTaskModel>();
InitTasks(model.Tasks);
// intitialize status for model
var workflowNodes = DeserializeNodes();
if (workflowNodes.Any())
{
var initialStatus = workflowNodes.First();
model.StatusDisplay = initialStatus["statusName"].ToString();
// storing the whole workflow node as the status
model.Status = initialStatus.ToString();
}
}