public async Task <PlanElementCandidate> GenerateAsync(DecisionArray decisionArray, Plan plan, int whichMeal, PlanElementIteratorParams iterParams)
{
var test = true;
//choose type based on preferences
var type = (plan.PlanForm.FoodPreference == FoodPreference.OnlyRestaurant || (plan.PlanForm.FoodPreference == FoodPreference.Mixed && whichMeal == 2)) ? GooglePlaceTypeCategory.Restaurant : GooglePlaceTypeCategory.Food;
var candidates = new List <PlanElementCandidate>();
var decisionRows = new List <DecisionRow>();
var googleNearbyFoodInput = _googlePlaceNearbySearchInputFactory.Create(iterParams.CurrentLocation, type);
var nearbyFoodResults = await _googlePlaceNearbySearchApiClient.GetAsync(googleNearbyFoodInput);
int counter = 1;
foreach (var nr in nearbyFoodResults.results)
{
var details = await _googlePlaceDetailsApiClient.GetAsync(_googlePlaceDetailsInputFactory.CreateAllUseful(nr.place_id));
if (details.IsOk)
{
var candidate = new PlanElementCandidate(details.Result.name, details.Result.place_id, details.Result.formatted_address, details.Result.geometry.location, details.Result.opening_hours, details.Result.types, details.Result.rating, details.Result.price_level, details.Result.user_ratings_total);
if (test)
{
return(candidate);
}
candidates.Add(candidate);
}
++counter;
if (counter > 10 && candidates.Count > 5)
{
break;
}
}
var iter = 1;
foreach (var candidate in candidates)
{
decisionRows.Add(_decisionRowFactory.Create(candidate, iter, iterParams.CurrentLocation));
++iter;
}
var minVector = DecisionArray.GetMinVector(decisionRows);
var maxVector = DecisionArray.GetMaxVector(decisionRows);
foreach (var decisionRow in decisionRows)
{
decisionRow.NormalizedScore = _sawMethod.CalculateNormalizedScore(SawNormalizationMethod.LinearFirstType, decisionArray.WeightVector, decisionRow.DecisionValues, minVector, maxVector);
}
var result = decisionRows.OrderByDescending(x => x.NormalizedScore).FirstOrDefault(x => x.Candidate.IsOpen(iterParams.CurrentDateTime));
if (result == null)
{
throw new UserFriendlyException($"Nie udało się znaleźć żadnego miejsca, gdzie można zjeść w pobliżu o godz: {iterParams.CurrentDateTime}");
}
return(result.Candidate);
}
//0. Price //1. Rating //2. Distance //3. Popularity //4.Entertainment //5. Relax //6. Activity //7. Culture //8. Sightseeing //9. Partying //10. Shopping
public DecisionRow Create(PlanElementCandidate candidate, int iter, Location startLocation)
{
var row = new DecisionRow();
row.Candidate = candidate;
row.InitialPosition = iter;
//0. Price
row.SetValue(WeightVectorLabel.Price, Validate(WeightVectorLabel.Price, candidate.Price));
//1. Rating
row.SetValue(WeightVectorLabel.Rating, Validate(WeightVectorLabel.Rating, candidate.Rating));
//2. Distance
row.SetValue(WeightVectorLabel.Distance, Validate(WeightVectorLabel.Distance, (decimal)PlanHelpers.CalculateDistance(startLocation.lat, startLocation.lng, candidate.Location.lat, candidate.Location.lng)));
//3. Popularity
row.SetValue(WeightVectorLabel.Popularity, Validate(WeightVectorLabel.Popularity, candidate.Popularity));
//4. Entertainment
row.SetValue(WeightVectorLabel.Entertainment, Validate(WeightVectorLabel.Entertainment, candidate.ElementTypes.Contains(PlanElementType.Entertainment)? 1 : 0));
//5. Relax
row.SetValue(WeightVectorLabel.Relax, Validate(WeightVectorLabel.Relax, candidate.ElementTypes.Contains(PlanElementType.Relax) ? 1 : 0));
//6. Activity
row.SetValue(WeightVectorLabel.Activity, Validate(WeightVectorLabel.Activity, candidate.ElementTypes.Contains(PlanElementType.Activity) ? 1 : 0));
//7. Culture
row.SetValue(WeightVectorLabel.Culture, Validate(WeightVectorLabel.Culture, candidate.ElementTypes.Contains(PlanElementType.Culture) ? 1 : 0));
//8. Sightseeing
row.SetValue(WeightVectorLabel.Sightseeing, Validate(WeightVectorLabel.Sightseeing, candidate.ElementTypes.Contains(PlanElementType.Sightseeing) ? 1 : 0));
//9. Partying
row.SetValue(WeightVectorLabel.Partying, Validate(WeightVectorLabel.Partying, candidate.ElementTypes.Contains(PlanElementType.Partying) ? 1 : 0));
//10. Shopping
row.SetValue(WeightVectorLabel.Shopping, Validate(WeightVectorLabel.Shopping, candidate.ElementTypes.Contains(PlanElementType.Shopping) ? 1 : 0));
return(row);
}
public async Task <IList <PlanElementCandidate> > GetCandidates(Plan plan, WeightVector weightVector)
{
var test = true;
var candidates = new List <PlanElementCandidate>();
PlanElementType[] planElementTypes = new PlanElementType[]
{
PlanElementType.Entertainment,
PlanElementType.Relax,
PlanElementType.Activity,
PlanElementType.Culture,
PlanElementType.Sightseeing,
PlanElementType.Partying,
PlanElementType.Shopping,
};
foreach (var planElementType in planElementTypes)
{
var googlePlaceTypes = GooglePlaceTypes.Table.Where(x => x.PlanElementType == planElementType).ToList();
foreach (var type in googlePlaceTypes)
{
var nearbySearchInput = _googlePlaceNearbySearchInputFactory.Create(plan.StartLocation, (int)MaximumDistanceToAccomodation, type);
var nearbyResults = await _googlePlaceNearbySearchApiClient.GetAsync(nearbySearchInput);
int counter = 1;
foreach (var nr in nearbyResults.results)
{
var details = await _googlePlaceDetailsApiClient.GetAsync(_googlePlaceDetailsInputFactory.CreateAllUseful(nr.place_id));
if (details.IsOk)
{
var candidate = new PlanElementCandidate(details.Result.name, details.Result.place_id, details.Result.formatted_address, details.Result.geometry.location, details.Result.opening_hours, details.Result.types, details.Result.rating, details.Result.price_level, details.Result.user_ratings_total);
if (!candidates.Any(x => x.PlaceId == candidate.PlaceId))
{
candidates.Add(candidate);
}
}
++counter;
}
if (test && candidates.Count > 15)
{
return(candidates);
}
WeightVectorLabel weightVectorLabel = WeightVector.TranslateLabel(planElementType);
if ((plan.PlanForm.IsOverOneWeek || weightVector.GetLabelValue(weightVectorLabel) >= 0.1m) && nearbyResults.IsMoreResults)
{
var nearbyResults2 = await _googlePlaceNearbySearchApiClient.GetNextPageTokenAsync(nearbyResults.next_page_token);
foreach (var nr in nearbyResults2.results)
{
var details = await _googlePlaceDetailsApiClient.GetAsync(_googlePlaceDetailsInputFactory.CreateAllUseful(nr.place_id));
if (details.IsOk)
{
var candidate = new PlanElementCandidate(details.Result.name, details.Result.place_id, details.Result.formatted_address, details.Result.geometry.location, details.Result.opening_hours, details.Result.types, details.Result.rating, details.Result.price_level, details.Result.user_ratings_total);
if (!candidates.Any(x => x.PlaceId == candidate.PlaceId))
{
candidates.Add(candidate);
}
}
++counter;
}
}
if (test && candidates.Count > 15)
{
return(candidates);
}
}
if (test && candidates.Count > 15)
{
break;
}
}
if (candidates.Count == 0)
{
throw new UserFriendlyException($"Nie znaleziono żadnych potencjalnych kandydatów na elementy planu");
}
return(candidates);
}
