public void Build(List <PhotoSession> photoSessions)
{
Candidates.Clear();
Sessions = photoSessions;
ComputeSessionsScores();
var rankedSessions = Sessions.OrderByDescending(s => s.Score).ToList();
while (rankedSessions.Any())
{
var mainSession = rankedSessions.First();
var nearbySessions = rankedSessions
.Skip(1)
.Where(s => IsNear(mainSession.Location, s.Location)).ToList();
var newCandidate = new DestinationCandidate(mainSession);
if (nearbySessions.Count() > 0)
{
newCandidate.Add(nearbySessions.ToList());
}
Candidates.Add(newCandidate);
rankedSessions = rankedSessions
.Skip(1)
.Where(s => !nearbySessions.Contains(s)).ToList();
}
// Merge();
Candidates = Candidates.OrderByDescending(l => l.TotalScore).ToList();
// fill in the destination from the session locations
foreach (var candidate in Candidates)
{
var childLocation = candidate.Sessions.Select(s => s.Location).ToList();
candidate.Location = _locationService.DetectParentLocation(childLocation);
candidate.DisplayName = candidate?.Location.DisplayName ?? "Unknown";
Debug.Assert(candidate.Location != null);
}
}
private Location DetectParentLocation(TripCandidate tripCandidate)
{
var childLocations = tripCandidate.Destinations.Select(d => d.Location).ToList();
return(_locationService.DetectParentLocation(childLocations));
}