public void UploadImage(int gameId, int teamId, double latitude, double longitude, byte[] image,
string imageName = null)
{
if (image == null)
{
throw new ArgumentException("Parameter image is not provided");
}
var team = GetTeamById(teamId);
var currentGame = Context.Games.Single(g => g.Id == gameId);
var closestNode =
Context.Nodes
.OrderBy(n => GeographyComputation.Distance(n.Latitude, n.Longitude, latitude, longitude))
.FirstOrDefault();
var gameAction = new GameAction()
{
DateOccured = DateTime.Now,
Game = currentGame,
Team = team,
Latitude = latitude,
Longitude = longitude,
Picture = new Picture()
{
Image = image
},
Action = Action.SubmitPicture,
Node = closestNode
};
Context.GameActions.Add(gameAction);
Context.SaveChanges();
}
public void SetCenterOfGameByNodes(int gameId)
{
var game = Context.Games.Include(g => g.Nodes).Single(g => g.Id == gameId);
var nodes = game.Nodes;
var nodesPoints = nodes.Select(n => (n.Latitude, n.Longitude));
var center = GeographyComputation.CenterOfGeoPoints(nodesPoints);
game.MapCenterLat = center.Item1;
game.MapCenterLng = center.Item2;
Context.SaveChanges();
}
public void DistanceBetweenTwoPosition()
{
// Arrange
var point1 = (48.8501065, 2.327722);
var point2 = (48.851291, 2.3318698);
// Act
var distance = GeographyComputation.Distance(point1, point2);
// Assert
Check.That(distance).IsEqualsWithDelta(331.208482931862, 0.001);
}
protected virtual double ComputeDelta(GameAction gameAction)
{
if (gameAction.Node != null)
{
var delta = GeographyComputation.Distance(gameAction.Node.Latitude, gameAction.Node.Longitude,
gameAction.Latitude, gameAction.Longitude);
_logger.LogDebug($"Delta = {delta} for nodeId {gameAction.Node.Id}");
return(delta);
}
else
{
return(double.NaN);
}
}
public void CenterOfGeoPoints()
{
// Arrange
var points = new List <(double, double)>()
{
(48.8501065, 2.327722),
(48.851291, 2.3318698),
(48.8537828, 2.3310879)
};
// Act
var result = GeographyComputation.CenterOfGeoPoints(points);
// Assert
Check.That(result.Item1).IsEqualsWithDelta(48.8517267806692, 0.001);
Check.That(result.Item2).IsEqualsWithDelta(2.33022653262665, 0.001);
}
/// <summary>
/// Returns all the games in a specific radius (5km)
/// </summary>
/// <param name="lat">latitude of the point to check games for</param>
/// <param name="lng">longitude of the point to check games for</param>
/// <returns>List of games where the center is less than 5km from the position</returns>
public IEnumerable <Game> GetGamesFromPosition(double lat, double lng)
{
return(Context.Games.Where(g => g.IsActive && g.MapCenterLat.HasValue && GeographyComputation.Distance(lat, lng, g.MapCenterLat.Value, g.MapCenterLng.Value) < 5000));
}
