public async Task <IEnumerable <PlaceTransporter> > LookForNearbyPlacesAsync(PlacesQueryTransporter query)
{
var placesList = new List <PlaceTransporter>();
foreach (string placeType in query.PlacesTypes)
{
var foundPlaces = await this.FireGooglePlacesQueryAsync(placeType, query);
if (foundPlaces != null)
{
var responsesPlacesList = new List <GooglePlaceTransporter>();
if (!string.IsNullOrEmpty(foundPlaces.NextPageToken))
{
var nextPageResponse = await this.FireGooglePlacesQueryAsync(foundPlaces.NextPageToken);
if (nextPageResponse != null)
{
responsesPlacesList.AddRange(nextPageResponse.Results);
}
if (!string.IsNullOrEmpty(nextPageResponse?.NextPageToken))
{
nextPageResponse = await this.FireGooglePlacesQueryAsync(foundPlaces.NextPageToken);
}
if (nextPageResponse != null)
{
responsesPlacesList.AddRange(nextPageResponse.Results);
}
}
placesList.AddRange(responsesPlacesList.Select(rp => (PlaceTransporter)rp));
placesList.AddRange(foundPlaces.Results.Select(r => (PlaceTransporter)r));
}
}
return(placesList);
}
private async Task <GooglePlacesResponse> FireGooglePlacesQueryAsync(string placeType, PlacesQueryTransporter query)
{
string latitudeString = query.Latitude.ToString("N4", CultureInfo.InvariantCulture);
string longitudeString = query.Longitude.ToString("N4", CultureInfo.InvariantCulture);
var keykey = Configuration["GoogleServices:GoogleServicesKey"];
string radiusString = query.Radius.ToString();
var parameters = new FormUrlEncodedContent(new[]
{
new KeyValuePair <string, string>("key", keykey),
new KeyValuePair <string, string>("location", $"{latitudeString},{longitudeString}"),
new KeyValuePair <string, string>("radius", radiusString),
new KeyValuePair <string, string>("type", placeType)
});
var queryString = await parameters.ReadAsStringAsync();
var response = await this.Client.GetAsync($"?{queryString}");
if (response.IsSuccessStatusCode)
{
var gPlaceTransporter = JsonConvert.DeserializeObject <GooglePlacesResponse>(await response.Content.ReadAsStringAsync());
if (gPlaceTransporter.Status == GooglePlacesResponseStatus.Ok)
{
return(gPlaceTransporter);
}
}
return(null);
}
