public string GetTimeZoneId(Location location)
{
var middayToday = DateTime.UtcNow.Date.AddHours(12);
var url = string.Format(
"https://maps.googleapis.com/maps/api/timezone/json?location={0},{1}×tamp={2}",
location.Latitude,
location.Longitude,
ToUnixTimeStamp(middayToday));
using (var client = new WebClient())
{
var responseJson = client.DownloadString(url);
var response = JsonConvert.DeserializeObject<TimeZoneResponse>(responseJson);
if (response.Status != "OK")
{
var message = response.Status == "ZERO_RESULTS" ?
"Sorry, but the time zone for your location could not be obtained. Please make sure your location is on land." :
string.Format("Sorry, but the time zone for your location could not be obtained ({0}: {1}).", response.Status, response.ErrorMessage);
throw new UserDisplayableException(message);
}
var id = TimeZones.OlsonTimeZoneToTimeZoneInfo(response.TimeZoneId);
if (id == null)
{
throw new UserDisplayableException(string.Format("Sorry, but the time zone information for your location could not be found ({0}).", response.TimeZoneId));
}
return id;
}
}
public DaylightInfo GetDaylight(Location location, string timeZoneId, DateTime commuteStart, DateTime commuteEnd)
{
var sunCalculator = new SunCalculator(location.Longitude, location.Latitude);
var daylightInfo = CalculateDaylightInfo(commuteStart, commuteEnd, sunCalculator, timeZoneId);
return daylightInfo;
}
public ActionResult Index(CommuteInfoModel model)
{
if (model == null || model.HasDefaultValues())
{
model = new CommuteInfoModel
{
h = "0800",
w = "1830",
j = 30,
d = WorkingDays.Monday | WorkingDays.Tuesday | WorkingDays.Wednesday | WorkingDays.Thursday | WorkingDays.Friday
};
SetLocation(model);
ModelState.Clear();
return View(model);
}
if (!model.y.HasValue || !model.x.HasValue) // shouldn't happen, but could
{
SetLocation(model);
}
DateTime outboundCommuteStart;
DateTime returnCommuteStart;
model.Validate(ModelState, out outboundCommuteStart, out returnCommuteStart);
if (ModelState.IsValid)
{
try
{
var daylightHunter = new DaylightHunter();
var outboundCommuteEnd = outboundCommuteStart.AddMinutes(model.j);
var returnCommuteEnd = returnCommuteStart.AddMinutes(model.j);
var location = new Location { Latitude = model.y.Value, Longitude = model.x.Value };
model.TimeZoneId = _geoService.GetTimeZoneId(location);
var toWorkDaylightInfo = daylightHunter.GetDaylight(location, model.TimeZoneId, outboundCommuteStart, outboundCommuteEnd);
var fromWorkDaylightInfo = daylightHunter.GetDaylight(location, model.TimeZoneId, returnCommuteStart, returnCommuteEnd);
model.ToWorkDaylights = Builders.BuildDaylightInfoModel(DateTime.Now.Date, toWorkDaylightInfo, Commute.ToWork, model.d);
model.FromWorkDaylights = Builders.BuildDaylightInfoModel(DateTime.Now.Date, fromWorkDaylightInfo, Commute.FromWork, model.d);
}
catch (UserDisplayableException ex)
{
ModelState.AddModelError("UserDisplayable", ex.Message);
}
}
return View(model);
}
public static Location? Parse(XDocument response)
{
Location? location = null;
XNamespace ns = "http://www.opengis.net/gml";
var coordinates = GetNestedElementValue(response.Root, new[] { ns + "featureMember", "Hostip", "ipLocation", ns + "pointProperty", ns + "Point", ns + "coordinates" });
if (!string.IsNullOrEmpty(coordinates))
{
var coordParts = coordinates.Split(',');
var longitude = double.Parse(coordParts[0]);
var latitude = double.Parse(coordParts[1]);
location = new Location { Latitude = latitude, Longitude = longitude };
}
return location;
}