protected Tuple <DateTime, ScheduleMessageState> ExecuteScript(string scriptName, IComponentContext context)
{
var script = Scripts[scriptName];
if (script == null)
{
throw new Exception("Script not found");
}
RunningScriptName = scriptName;
var flow = new ScriptFlow(this);
flow.OnNewMessage +=
(m) =>
{
if (m.Type == ScheduleMessageState.Error)
{
log.Error(String.Format("{0}: {1}", m.Type, m.Message));
}
else
{
log.Info(String.Format("{0}: {1}", m.Type, m.Message));
}
Progress.SetProgress(m.Message);
};
scriptUtility.Flow = flow;
flow.AddMessage(String.Format("Starting {1} for {0}", TaskName, scriptName));
OnScriptStarted(script);
//init
try
{
flow.AddMessage(String.Format("Initializing {0}", scriptName), ScheduleMessageState.Debug);
var dependency = ResolveScriptDependency(script, context);
ValidateDependencies(dependency);
script.Init(dependency, Settings, flow, scriptUtility);
}
catch (Exception ex)
{
flow.AddMessage("Script init failed", ScheduleMessageState.Error);
flow.Dump(ex);
}
//execution
if (flow.MessagesState < ScheduleMessageState.Error)
{
try
{
script.Execute();
}
catch (FlowException ex)
{
if (ex.ExceptionType == FlowExceptionType.Fail)
{
flow.AddMessage(ex.Message, ScheduleMessageState.Error);
}
else if (!String.IsNullOrEmpty(ex.Message))
{
flow.AddMessage(ex.Message);
}
}
catch (Exception ex)
{
flow.AddMessage("Script failed with exception", ScheduleMessageState.Error);
flow.Dump(ex);
}
}
//execution done - changing and saving settings
Settings.Set(SETTING_LAST_STATE, flow.MessagesState);
var currentTime = DateTime.Now;
if (flow.MessagesState < ScheduleMessageState.Error)
{
//update schedules
ScheduledScripts = ScheduledScripts.Skip(1).ToList();
flow.ScheduledScripts.ForEach(x =>
{
if (Scripts.Any(s => s.Key == x.Key))
{
ScheduledScripts.Add(new BrowsingGoalScriptSchedule()
{
ScriptName = x.Key, Date = currentTime.AddSeconds(x.Value)
});
}
else
{
flow.AddMessage(String.Format("Script {0} not found for schedule.", x.Key), ScheduleMessageState.Error);
}
});
ScheduledScripts = ScheduledScripts.OrderBy(x => x.Date).ToList();
flow.AddMessage(String.Format("{0} scripts in queue", ScheduledScripts.Count), ScheduleMessageState.Debug);
}
flow.AddMessage(String.Format("Script {0}.{1} finished", TaskName, RunningScriptName), flow.MessagesState);
Settings.Set(SETTING_PREFIX_MESSAGES + scriptName, flow.Messages);
Progress.SetProgressRemaining(RunningScriptName + " complete",
(int)((0.0 + ProgressStatus.PROGRESS_MAX) * (Math.Min(ScheduledScripts.Count, Scripts.Count) / (0.0 + Scripts.Count))));
OnScriptFinished(script);
if (ScheduledScripts.Count == 0 || flow.MessagesState >= ScheduleMessageState.Error)
{
flow.AddMessage(String.Format("Task '{0}' finished", TaskName));
OnTaskFinished();
}
RunningScriptName = null;
return(new Tuple <DateTime, ScheduleMessageState>(
(ScheduledScripts.Count == 0) ? DateTime.MaxValue :
ScheduledScripts.First().Date, flow.MessagesState));
}