public ShelterCardModel(Data.Entities.Models.Shelter shelter, Geolocation userGeolocation)
{
Id = shelter.Id;
Name = shelter.Name;
WebsiteUrl = shelter.WebsiteUrl;
City = shelter.City;
Address = shelter.Address;
ContactPhone = shelter.ContactPhone;
ContactEmail = shelter.ContactEmail;
DistanceFromUser = GeolocationHelper.GetDistance(shelter.Geolocation, userGeolocation);
}
public void distanceBetweenNewyorkAndNewyorkShouldBe0()
{
var newyorkCoord = new Coordinate()
{
Latitude = _newYork.Lat,
Longitude = _newYork.Long
};
var result = GeolocationHelper.GetDistance(newyorkCoord, newyorkCoord);
var expected = 0;
Assert.Equal(expected, result);
}
public void distanceBetweenMontrealAndNewyorkShouldBe535km()
{
var montrealCoord = new Coordinate()
{
Latitude = _montreal.Lat,
Longitude = _montreal.Long
};
var newyorkCoord = new Coordinate()
{
Latitude = _newYork.Lat,
Longitude = _newYork.Long
};
var result = GeolocationHelper.GetDistance(montrealCoord, newyorkCoord);
var expected = 534209.131234364;
Assert.Equal(expected, result);
}
/// <summary>
/// Calculate the score of a city based on the searched coordinates.
/// </summary>
/// <param name="city">City</param>
/// <param name="latitude">Latitude</param>
/// <param name="longitude">Longitude</param>
/// <returns>City score based on the searched coordinates</returns>
private double GetCoordinateScore(City city, double latitude, double longitude)
{
var firstLocation = new Coordinate()
{
Latitude = city.Lat,
Longitude = city.Long
};
var secondLocation = new Coordinate()
{
Latitude = latitude,
Longitude = longitude
};
var distance = GeolocationHelper.GetDistance(firstLocation, secondLocation);
var farthestDistance = 1500000;
return(distance < farthestDistance
? (farthestDistance - distance) / farthestDistance
: 0);
}