public async Task <IActionResult> GetDistanceData(string origin, string destination, string mode, string unit)
{
// To ensure clean-up
using (var client = new HttpClient())
{
try
{
// Shorthand string.format to place parameters in the url
var suffix = $"/maps/api/distancematrix/json?units={unit}&origins={origin}&destinations={destination}&mode={mode}&key={ApiKey}";
// sets the base address of the client, in this instance, Google's Distance Matrix
client.BaseAddress = new Uri(BaseUrl);
// Waits for a response from the suffixed address
var res = await client.GetAsync(suffix);
// Ensures a response is yielded
res.EnsureSuccessStatusCode();
// Waits for the content to be parsed as a string.
var stringRes = await res.Content.ReadAsStringAsync();
// Deserializes the string response to be a model that maps the response 1:1.
var rawDistData = JsonConvert.DeserializeObject <DistanceResponseData>(stringRes);
// Calls a service to further format the deserialized data.
var dvm = _distance.GetDistanceViewModel(rawDistData);
// Returns a status code with the parsed info
return(Ok(dvm));
}
catch (HttpRequestException ex)
{
return(BadRequest($"Getting the following error: {ex}"));
}
}
}
