public async Task <GeoCoordsResult> GetCoordsAsync(string name)
{
var result = new GeoCoordsResult
{
Success = false,
Message = "Failed to get coordinates"
};
var apiKey = _config["Keys:GMapsKey"];
var encodedName = WebUtility.UrlEncode(name);
var url = $"https://maps.googleapis.com/maps/api/geocode/json?address={encodedName}&key={apiKey}";
var client = new HttpClient();
var json = await client.GetStringAsync(url);
var results = JObject.Parse(json);
var resources = results["results"][0];
if (!results["results"][0].HasValues)
{
result.Message = $"Could not find '{name}' as a location";
}
else
{
var coords = resources["geometry"]["location"];
result.Latitude = (double)coords["lat"];
result.Longitude = (double)coords["lng"];
result.Success = true;
result.Message = "Success";
}
return(result);
}
public async Task <IActionResult> Post(string tripName, [FromBody] StopViewModel vm)
{
try
{
if (ModelState.IsValid)
{
// map
Stop newStop = Mapper.Map <Stop>(vm);
// lookup the geocodes
GeoCoordsResult coordsResult = await _coordsService.GetCoordsAsync(newStop.Name);
if (coordsResult.Success == false)
{
_logger.LogError(coordsResult.Message);
}
else
{
newStop.Latitude = coordsResult.Latitude;
newStop.Longitude = coordsResult.Longitude;
// save to db
_repository.AddStop(tripName, newStop, User.Identity.Name);
if (await _repository.SaveChangesAsync())
{
return(Created($"/api/trips/{tripName}/stops/{newStop.Name}",
Mapper.Map <StopViewModel>(newStop)));
}
}
}
else
{
return(BadRequest(ModelState));
}
}
catch (Exception ex)
{
_logger.LogError("Failed to save Stop: {0}", ex);
}
return(BadRequest("Failed to save Stop"));
}
public async Task <GeoCoordsResult> GetCoordsAsync(string name)
{
var result = new GeoCoordsResult
{
Success = false,
Message = "Failed to get coordinates"
};
var apiKey = _config["Keys:BingKey"];
var encodedName = WebUtility.UrlEncode(name);
var url = $"http://dev.virtualearth.net/REST/v1/Locations?q={encodedName}&key={apiKey}";
var client = new HttpClient();
var json = await client.GetStringAsync(url);
var results = JObject.Parse(json);
var resources = results["resourceSets"][0]["resources"];
if (!results["resourceSets"][0]["resources"].HasValues)
{
result.Message = $"Could not find '{name}' as a location";
}
else
{
var confidence = (string)resources[0]["confidence"];
if (confidence != "High")
{
result.Message = $"Could not find a confident match for '{name}' as a location";
}
else
{
var coords = resources[0]["geocodePoints"][0]["coordinates"];
result.Latitude = (double)coords[0];
result.Longitude = (double)coords[1];
result.Success = true;
result.Message = "Success";
}
}
return(result);
}
