private Task <TomTomResult> FindClosestStoreLocationAsync(IEnumerable <AlternativeVendor> vendors, ShoppingRequestData data)
{
TomTomResult bestResult = null;
foreach (var vendor in vendors)
{
// Call TomTom API
var baseUrl = $"https://api.tomtom.com/search/2/search/{vendor.Name}.json?key={TomtomApiKey}";
var parameters = new Dictionary <string, string>()
{
{ "typeahead", "false" },
{ "countrySet", "DE" },
{ "lat", data.Lat.ToString() },
{ "lon", data.Lng.ToString() },
{ "radius", "3000" },
{ "idxSet", "POI" }
};
var url = baseUrl + "&" + string.Join('&', parameters.Select(pair => $"{pair.Key}={pair.Value}"));
// Get response
var client = new RestClient(url);
var response = client.Execute(new RestRequest());
dynamic result = JsonConvert.DeserializeObject(response.Content);
// Process response
if (result.summary.numResults == 0)
{
continue;
}
var closest = result.results[0];
var distance = double.Parse(closest.dist.ToString());
if (bestResult != null && distance > bestResult.Distance)
{
continue;
}
// prepare result
bestResult = new TomTomResult()
{
Distance = distance,
Address = closest.address.streetName + " " + closest.address.streetNumber + ", " + closest.address.municipality,
Vendor = closest.poi.name,
Vendor_logo = "https://www.guenstiger.de/haendlerlogo/" + vendor.Id,
Lat = closest.position.lat,
Lng = closest.position.lon,
Method = distance < 600 ? "Walking" : "Biking",
LocationUrl = $"https://www.google.com/maps/search/?api=1&query={closest.position.lat},{closest.position.lon}"
};
}
if (bestResult == null)
{
throw new AlternativeNotFoundException();
}
return(Task.FromResult(bestResult));
}
private Task <double> CalculateSavingAsync(TomTomResult responseData)
{
var saving = responseData.Distance / 1000.0 * 0.270;
return(Task.FromResult(saving));
}
