private IEnumerable <double> CalculateDistances(MooiCluster cluster1, MooiCluster cluster2)
{
return(from pm1 in cluster2.Placemarks
from pm2 in cluster1.Placemarks
where pm1 != pm2
select _kmlCalculator.GetDistanceInMeters(pm1, pm2));
}
private async Task <DiscoveredPlace[]> DiscoverOnFoursquareForExploring(IReadOnlyList <KmlPlacemark> placemarks, string language, IDiscoveringProgress progressTracker, CancellationToken cancellationToken)
{
var result = new ConcurrentBag <DiscoveredPlace>();
var placemarksToExplore = new List <KmlPlacemark> {
placemarks.First()
};
foreach (var placemark in placemarks.Skip(1))
{
if (!placemarksToExplore.Any(p => _kmlCalculator.GetDistanceInMeters(p, placemark) < EXPLORE_ON_PLACEMARKS_AFTER_METERS))
{
placemarksToExplore.Add(placemark);
}
else
{
progressTracker.ReportItemProcessed();
}
}
await placemarksToExplore.ForEachAsync(DEGREE_OF_PARALLELISM_PER_SERVICE, async (placemark) =>
{
if (cancellationToken.IsCancellationRequested)
{
return;
}
var venues = await _foursquare.ExplorePopular(placemark, language, cancellationToken);
if (venues != null)
{
foreach (var venue in venues)
{
if (placemarks.Any(p => p.Name.Equals(venue.Title, StringComparison.OrdinalIgnoreCase)))
{
continue;
}
result.Add(new DiscoveredPlace
{
Venue = venue
});
_logger.Info($"Explored a recommended venue on Foursquare: {venue.Title}");
}
}
progressTracker.ReportItemProcessed();
});
return(result.ToArray());
}
private FoursquareVenue CreateVenueModel(FoursquareResponseVenue responseVenue, GeoCoordinate originCoordinate = null)
{
var facebookUser = responseVenue.Contact?.FacebookUsername ?? responseVenue.Contact?.Facebook;
var facebookUrl = string.IsNullOrEmpty(facebookUser) ? null : $"https://www.facebook.com/{facebookUser}";
var mainCategory = responseVenue.Categories.FirstOrDefault(x => x.Primary) ?? responseVenue.Categories[0];
var coordinate = new GeoCoordinate(responseVenue.Location.Lat, responseVenue.Location.Lng);
const int takeTopCategories = 2;
var venue = new FoursquareVenue {
Id = responseVenue.Id,
Title = responseVenue.Name,
Category = string.Join(", ", responseVenue.Categories
.OrderBy(x => x.Primary ? 1 : 2)
.Select(x => x.ShortName)
.Take(takeTopCategories)),
Coordinate = coordinate,
Rating = responseVenue.Rating,
RatingColor = responseVenue.RatingColor,
MaxRating = VENUE_MAX_RATING,
LikesCount = responseVenue.Likes?.Count,
DistanceToPlacemark = _kmlCalculator.GetDistanceInMeters(originCoordinate, coordinate),
Region = string.Join(", ", new[] {
responseVenue.Location?.City,
responseVenue.Location?.State,
responseVenue.Location?.Country
}.Where(x => x != null)),
Address = responseVenue.Location?.Address == null
? null
: string.Join(", ", responseVenue.Location?.FormattedAddress ?? new string[0]),
ContactPhone = responseVenue.Contact?.FormattedPhone,
Websites = new[] {
responseVenue.ShortUrl,
responseVenue.Url,
facebookUrl
}.Where(x => !string.IsNullOrEmpty(x)).ToArray(),
IconUrl = new Uri($"{mainCategory.Icon.Prefix}{VENUE_ICON_SIZE}{mainCategory.Icon.Suffix}"),
PriceLevel = responseVenue.Price?.Tier,
PriceCurrency = responseVenue.Price?.Currency,
PriceMaxLevel = VENUE_MAX_PRICE_LEVEL,
Tags = responseVenue.Tags
};
if ("public".Equals(responseVenue.BestPhoto?.Visibility, StringComparison.OrdinalIgnoreCase))
{
venue.PhotoUrls = new[] {
$"{responseVenue.BestPhoto?.Prefix}{VENUE_PHOTO_SIZE}{responseVenue.BestPhoto?.Suffix}"
};
}
if (responseVenue.Hours?.Timeframes != null)
{
var sb = new StringBuilder();
foreach (var timeframe in responseVenue.Hours.Timeframes)
{
if (sb.Length > 0)
{
sb.Append(", ");
}
sb.Append($"{timeframe.Days}: ");
sb.Append(string.Join(", ", timeframe.Open.Select(o => o.RenderedTime)));
}
venue.OpeningHours = sb.ToString();
}
if (responseVenue.Tips != null)
{
var tips = responseVenue.Tips.Groups[0].Items;
venue.Tips = tips
.Where(x => x.AgreeCount > 0)
.Take(TOP_TIPS_TO_GET)
.Select(tip => new FoursquareVenueTip {
Message = tip.Text,
Likes = tip.Likes.Count,
AgreeCount = tip.AgreeCount,
DisagreeCount = tip.DisagreeCount
}).ToArray();
}
if (venue.Websites.Length == 0)
{
venue.Websites = new[] {
$"{VENUE_WEB_URL}{venue.Id}"
};
}
return(venue);
}