private IEnumerable <Attitude <IntentionType, T> > LookForTours(List <Attitude <DesireType, T> > desires)
{
var visitDesire = desires.First(d => d.Label == DesireType.Visit);
var dateDesire = desires.First(d => d.Label == DesireType.Date);
var maxBudgetDesire = desires.First(d => d.Label == DesireType.Budget);
var citiesToVisit = visitDesire.AttitudeRepresentation["visiting"].Split(",");
var dateFrom = dateDesire.AttitudeRepresentation["from"];
var days = int.Parse(dateDesire.AttitudeRepresentation["days"]);
var maxBudget = double.Parse(maxBudgetDesire.AttitudeRepresentation["max"]);
var tourPackages = Beliefs.Where(b => b.Label == BeliefType.TourPackages);
var result = new List <Attitude <IntentionType, T> >();
foreach (var tourPackage in tourPackages)
{
var data = tourPackage.AttitudeRepresentation;
var starts = data["starts"];
var daysTour = int.Parse(data["days"]);
var cities = data["cities"].Split(',');
var price = double.Parse(data["price"]);
if (daysTour <= days &&
cities.Intersect(citiesToVisit).Count() == cities.Length &&
starts == dateFrom &&
price < maxBudget)
{
result.Add(new Attitude <IntentionType, T>(IntentionType.BookTourPackage,
tourPackage.AttitudeRepresentation));
}
}
return(result);
}
