public static void SetCorrelationId(string name, object id)
{
var state = StateManager.GetState(SessionProvider.SessionId);
if (state == null)
{
throw new RouteFlowException("RouteFlow:SetCorrelationId:Session state invalid");
}
if (name == "key")
{
// Verify duplicate correlation key while in a session
// Reserved "key" is used to correlate an entire workflow to a single object id
var keyValue = GetCorrelationId("key");
if (keyValue != null)
{
if (keyValue.ToString() != id.ToString())
{
throw new RouteFlowException("RouteFlow:SetCorrelationId:Cannot reassign the primary correlation key.");
}
}
}
StateManager.SetCorrelationId(SessionProvider.SessionId, name, id);
}
public static void Prepare(ActionExecutingContext context)
{
var state = StateManager.GetState(SessionProvider.SessionId);
if (state == null)
{
return;
}
state.Current.SetContext(context);
}
public static ActionResult SkipTo(string name)
{
var state = StateManager.GetState(SessionProvider.SessionId);
if (state == null)
{
return(null);
}
state.Current.SkipTo = name;
return(Next(null));
}
public static bool OnPath <T>()
{
var state = StateManager.GetState(SessionProvider.SessionId);
if (state == null)
{
return(false);
}
return(state.Path == typeof(T).Name);
}
public static bool OnPath(string path)
{
if (path == null)
{
return(false);
}
var state = StateManager.GetState(SessionProvider.SessionId);
if (state == null)
{
return(false);
}
return(state.Path == path);
}
public static bool Active <T>(int?id)
{
var state = StateManager.GetState(SessionProvider.SessionId);
if (state == null)
{
return(false);
}
var primaryKey = StateManager.GetCorrelationId(SessionProvider.SessionId, "key");
if (primaryKey == null)
{
return(false);
}
return(state.Path == typeof(T).Name && (int)primaryKey == id);
}
public static bool Active <T>()
{
var state = StateManager.GetState(SessionProvider.SessionId);
return(state != null && state.Path == typeof(T).Name);
}
public static bool Active()
{
var state = StateManager.GetState(SessionProvider.SessionId);
return(state != null);
}
public static ActionResult Resume()
{
var state = StateManager.GetState(SessionProvider.SessionId);
if (state == null)
{
throw new RouteFlowException("RouteFlow:SessionID not valid in RouteFlow table");
}
var result = PathManager.GetEndpointByName(state.Path, state.Current.Name);
if (result == null)
{
// stumped
return(null);
}
var routeValues = new RouteValueDictionary();
if (result.Correlations != null)
{
result.Correlations.ForEach(x =>
{
if (x.Type == "SET")
{
if (routeValues.ContainsKey(x.RouteItem))
{
SetCorrelationId(x.Key, routeValues[x.RouteItem]);
}
}
//SetCorrelationId(x.Key, state.Current.Context.ActionParameters[x.RouteItem]);
if (x.Type == "GET")
{
var value = GetCorrelationId(x.Key);
if (value == null && x.IsRequired)
{
throw new ApplicationException(string.Format("RouteFlow:Correlation ({0}) is Required but not present", x.Key));
}
if (routeValues.ContainsKey(x.RouteItem))
{
routeValues[x.RouteItem] = value;
}
else
{
routeValues.Add(x.RouteItem, value);
}
}
});
}
routeValues.Add("controller", result.Controller);
routeValues.Add("action", result.Action);
routeValues.Add("area", result.Area);
routeValues.Extend(result.RouteValues);
state.Current.SkipTo = null;
state.Current.Name = result.StepName;
return(new RedirectToRouteResult(routeValues));
}