/// <summary>
/// Sets up a session with the Tado API based on the refresh token
/// </summary>
/// <returns>Session instance</returns>
private async Task <Entities.Session> GetRefreshedSession()
{
// Build the POST body with the authentication arguments
var queryBuilder = new Helpers.QueryStringBuilder();
queryBuilder.Add("client_id", ClientId);
queryBuilder.Add("grant_type", "refresh_token");
queryBuilder.Add("client_secret", ClientSecret);
queryBuilder.Add("refresh_token", AuthenticatedSession.RefreshToken);
queryBuilder.Add("scope", "home.user");
return(await PostMessageGetResponse <Entities.Session>(TadoApiAuthUrl, queryBuilder, false));
}
/// <summary>
/// Sets up a new session with the Tado API
/// </summary>
/// <returns>Session instance</returns>
private async Task <Entities.Session> GetNewSession()
{
// Build the POST body with the authentication arguments
var queryBuilder = new Helpers.QueryStringBuilder();
queryBuilder.Add("client_id", ClientId);
queryBuilder.Add("grant_type", "password");
queryBuilder.Add("client_secret", ClientSecret);
queryBuilder.Add("password", Password);
queryBuilder.Add("scope", "home.user");
queryBuilder.Add("username", Username);
return(await PostMessageGetResponse <Entities.Session>(TadoApiAuthUrl, queryBuilder, false));
}
/// <summary>
/// Sends a HTTP POST to the provided uri
/// </summary>
/// <param name="queryBuilder">The querystring parameters to send in the POST body</param>
/// <typeparam name="T">Type of object to try to parse the response JSON into</typeparam>
/// <param name="uri">Uri of the webservice to send the message to</param>
/// <param name="requiresAuthenticatedSession">True to indicate that this request must have a valid oAuth token</param>
/// <returns>Object of type T with the parsed response</returns>
private async Task <T> PostMessageGetResponse <T>(Uri uri, Helpers.QueryStringBuilder queryBuilder, bool requiresAuthenticatedSession)
{
if (uri == null)
{
throw new ArgumentNullException("Uri has not been provided");
}
if (requiresAuthenticatedSession)
{
// Ensure a valid OAuth token is set on the HttpClient if possible
await EnsureAccessToken();
}
// Prepare the content to POST
using (var content = new StringContent(queryBuilder.ToString(), Encoding.UTF8, "application/x-www-form-urlencoded"))
{
// Construct the message towards the webservice
using (var request = new HttpRequestMessage(HttpMethod.Post, uri))
{
// Set the content to send along in the message body with the request
request.Content = content;
try
{
// Request the response from the webservice
var response = await _httpClient.SendAsync(request);
var responseBody = await response.Content.ReadAsStringAsync();
// Verify if the request was successful (response status 200-299)
if (response.IsSuccessStatusCode)
{
// Request was successful
var responseEntity = JsonConvert.DeserializeObject <T>(responseBody);
return(responseEntity);
}
}
catch (Exception ex)
{
throw new Exceptions.RequestFailedException(uri, ex);
}
// Request was not successful. throw an exception
throw new Exceptions.RequestFailedException(uri);
}
}
}
