/// <summary>
/// Signs-in to Nike+ service.
/// </summary>
/// <param name="forceRefreshToken">Flag to determine if force to get a new <see cref="Token"/>, even if one valid is available.</param>
/// <returns><see langword="true"/> if signed-in successfully, otherwise, <see langword="false"/>.</returns>
public async Task<bool> SignIn(bool forceRefreshToken = false)
{
bool lbSignedIn = false;
bool lbValidToken = false;
WebRequest loWebRequest = null;
StringBuilder loPostData = new StringBuilder();
string lsResponse;
// Validate credentials
if (string.IsNullOrEmpty(msUser) ||
string.IsNullOrEmpty(msPassword))
throw new NikePlusException("Invalid credentials, provide Nike+ user and password.", null, null, null);
// Validate current Token
lbSignedIn = false;
lbValidToken = ValidateToken();
// Check if refresh token must be forced
if (forceRefreshToken)
lbValidToken = false;
lbSignedIn = lbValidToken;
if (!lbSignedIn)
{
// Reset values
Token = null;
IsSignedIn = false;
try
{
// Build query data for user/password provided
loPostData.AppendFormat("{0}={1}", USERNAME_PARAM, Uri.EscapeDataString(msUser));
loPostData.AppendFormat("&{0}={1}", PASSWORD_PARAM, Uri.EscapeDataString(msPassword));
// Prepare request
loWebRequest = WebRequest.Create(LOGIN_URI_DEV);
//byte[] loPostContent = Encoding.Default.GetBytes(loPostData.ToString());
byte[] loPostContent = Encoding.UTF8.GetBytes(loPostData.ToString());
loWebRequest.Method = "POST";
loWebRequest.ContentType = "application/x-www-form-urlencoded";
#if DESKTOP_APP
loWebRequest.ContentLength = loPostContent.Length;
#endif
// Post request
using (Stream loRequestStream = await loWebRequest.GetRequestStreamAsync())
{
loRequestStream.Write(loPostContent, 0, loPostContent.Length);
loRequestStream.Flush();
#if DESKTOP_APP
loRequestStream.Close();
#endif
}
// Read response (Json formatted)
using (WebResponse loWebResponse = await loWebRequest.GetResponseAsync())
{
using (Stream loResponseStream = loWebResponse.GetResponseStream())
{
using (StreamReader loStreamReader = new StreamReader(loResponseStream))
{
lsResponse = loStreamReader.ReadToEnd();
// Deserialize Json response
Token = JsonConvert.DeserializeObject<NikePlusToken>(lsResponse);
IsSignedIn = true;
lbSignedIn = true;
}
}
}
}
catch (WebException loWebException)
{
Token = null;
IsSignedIn = false;
lbSignedIn = false;
throw new NikePlusException(loWebException.Message, loWebException, LOGIN_URI_DEV, null);
}
catch (Exception loException)
{
// (Just for debugging purposes: handle response exception).
if (System.Diagnostics.Debugger.IsAttached)
System.Diagnostics.Debug.WriteLine(loException.StackTrace);
Token = null;
IsSignedIn = false;
lbSignedIn = false;
throw;
}
}
return lbSignedIn;
}
/// <summary>
/// Signs-out from Nike+ service.
/// </summary>
/// <returns><see langword="true"/> if signed-out successfully, otherwise, <see langword="false"/>.</returns>
public async Task<bool> SignOut()
{
bool lbSignedOut = false;
if (Token != null &&
!string.IsNullOrEmpty(Token.AccessToken))
{
try
{
await PerformRequest(DISCONNECT_PATH, null, "DELETE");
Token = null;
IsSignedIn = false;
lbSignedOut = true;
}
catch (Exception loException)
{
// (Just for debugging purposes: handle response exception).
if (System.Diagnostics.Debugger.IsAttached)
{
System.Diagnostics.Debug.WriteLine(loException.StackTrace);
} // (Just for debugging purposes: handle response exception)
Token = null;
IsSignedIn = false;
lbSignedOut = true;
}
}
else
{
Token = null;
IsSignedIn = false;
lbSignedOut = true;
}
return lbSignedOut;
}
/// <summary>
/// Sets the Nike+ credentials (user and password).
/// </summary>
/// <param name="user">Nike+ user (e-mail).</param>
/// <param name="password">Nike+ password.</param>
public void SetCredentials(string user, string password)
{
Token = null;
IsSignedIn = false;
msUser = user;
msPassword = password;
}
