public IActionResult ObtainAll(double latitude, double longitude)
{
CustomStatusCode code;
var jwt = HttpRequest();
var all = _longitudeResource.LAndLSearchAll(jwt.Id);
var resource = _mapper.Map <IEnumerable <LAndLSearchMapper> >(all);
if (resource == null)
{
code = new CustomStatusCode
{
Status = 404,
Message = $"获取所有经纬度为空"
};
return(StatusCode(404, code));
}
foreach (var s in resource)
{
s.Distance = LocationUtils.GetDistance(latitude, longitude, s.Latitude, s.Longitude);
}
resource = resource.OrderBy(x => x.Distance);
code = new CustomStatusCode
{
Status = 200,
Message = $"获取所有经纬度成功",
Data = resource
};
return(StatusCode(200, code));
}
public IActionResult SearchChildrenLalApi(int sonId, double latitude, double longitude)
{
CustomStatusCode code;
var log = _parentResource.SearchChildrenLal(sonId);
if (log == null)
{
_logger.LogInformation($"用户查询 {sonId} 为空");
code = new CustomStatusCode
{
Status = "404",
Message = $"用户查询 {sonId} 为空"
};
return(StatusCode(404, code));
}
var resource = _mapper.Map <IEnumerable <LAndLSearchMapper> >(log);
foreach (var s in resource)
{
s.Distance = LocationUtils.GetDistance(latitude, longitude, s.Latitude, s.Longitude);
}
_logger.LogInformation($"用户查询 {sonId} 成功");
code = new CustomStatusCode
{
Status = "200",
Message = $"用户查询 {sonId} 成功",
Data = resource
};
return(StatusCode(200, code));
}
public void GetDistance()
{
// Values used for comparison comes from lines plotted into Google Maps. Google uses a varying number
// decimals depending on the distance, so we loose a bit precision when rounding. But the results of this
// unit test still shows that the method works (eg. the test will fail if using the mean radius rather than
// the equatorial radius).
var samples = new[] {
new { From = new EssentialsLocation(55.6946159, 10.0366974), To = new EssentialsLocation(55.6477614, 10.1589203), Expected = "9.28", Decimals = 2 },
new { From = new EssentialsLocation(54.8671242, 7.7124023), To = new EssentialsLocation(56.8159142, 12.2113037), Expected = "355", Decimals = 0 },
new { From = new EssentialsLocation(49.2104204, -6.1083984), To = new EssentialsLocation(59.578851, 22.9833984), Expected = "2184", Decimals = 0 },
new { From = new EssentialsLocation(12.3829283, -71.3671875), To = new EssentialsLocation(71.2443555, 25.4882813), Expected = "8958", Decimals = 0 }
};
foreach (var sample in samples)
{
string format = "{0:0." + ("".PadLeft(sample.Decimals, '0')) + "}";
Assert.AreEqual(sample.Expected, String.Format(CultureInfo.InvariantCulture, format, LocationHelper.GetDistance(sample.From, sample.To) / 1000));
Assert.AreEqual(sample.Expected, String.Format(CultureInfo.InvariantCulture, format, LocationUtils.GetDistance(sample.From, sample.To) / 1000));
}
}
/// <summary>
/// Calculates the distance in meters between two GPS locations.
/// </summary>
/// <param name="loc1">The first location.</param>
/// <param name="loc2">The second location.</param>
public static double GetDistance(this ILocation loc1, ILocation loc2)
{
return(LocationUtils.GetDistance(loc1, loc2));
}
