/// <summary>
/// Initializes a new instance of the <see cref="WrikeClient"/> class.
/// </summary>
/// <param name="accessTokenRequest"></param>
/// <param name="redirectUri">Must provide if used in authorization url</param>
/// <param name="customHttpClient">Custom implementation of HttpClient.
/// Commonly used to add throttling to the number of requests made to the Wrike API</param>
public WrikeClient(WrikeAccessTokenRequest accessTokenRequest, string redirectUri, HttpClient customHttpClient = null)
{
if (accessTokenRequest == null)
{
throw new ArgumentException(nameof(accessTokenRequest));
}
if (redirectUri == null)
{
throw new ArgumentNullException(nameof(redirectUri));
}
if (redirectUri.Trim() == string.Empty)
{
throw new ArgumentException("value can not be empty", nameof(redirectUri));
}
var accessTokenResponse = GetAccesToken(accessTokenRequest, redirectUri);
_clientId = accessTokenRequest.ClientId;
_clientSecret = accessTokenRequest.ClientSecret;
_redirectUri = redirectUri;
_refreshToken = accessTokenResponse.RefreshToken;
_bearerToken = accessTokenResponse.AccessToken;
_host = accessTokenResponse.Host;
InitializeHttpClient(customHttpClient);
}
/// <summary>
/// Request access credentials
/// </summary>
/// <param name="accessTokenRequest"></param>
/// <param name="redirectUri"></param>
/// See <see href="https://developers.wrike.com/documentation/oauth2"/>
public static WrikeAccessTokenResponse GetAccesToken(WrikeAccessTokenRequest accessTokenRequest, string redirectUri)
{
if (accessTokenRequest == null)
{
throw new ArgumentNullException(nameof(accessTokenRequest));
}
var parameters = GetNameValueCollection(accessTokenRequest.ClientId, accessTokenRequest.ClientSecret,
accessTokenRequest.AuthorizationCode, accessTokenRequest.GrantType);
parameters.Add("redirect_uri", redirectUri);
var response = string.Empty;
using (var webClient = new WebClient())
{
try
{
var responseBytes = webClient.UploadValues("https://www.wrike.com/oauth2/token", "POST",
parameters);
response = webClient.Encoding.GetString(responseBytes);
}
catch (WebException exception)
{
using (var reader = new StreamReader(exception.Response.GetResponseStream()))
{
var errorResponse = reader.ReadToEnd();
var er = JsonConvert.DeserializeAnonymousType(errorResponse, new { error = "", error_description = "" });
throw new WrikeApiException(er.error, er.error_description);
}
}
}
return(JsonConvert.DeserializeObject <WrikeAccessTokenResponse>(response));
}