/// <summary>
/// Uses the handler for only one query / work also for cursor queries
/// </summary>
/// <param name="token"></param>
static void execute_query_error_handler(Token token)
{
Token.WebExceptionHandlingDelegate del = delegate(WebException wex)
{
Console.WriteLine("You received an execute_query_error!");
Console.WriteLine(wex.Message);
};
dynamic timeline = token.ExecuteQuery("https://api.twitter.com/1/users/contributors.json?user_id=700562792", del);
}
/// <summary>
/// Get the list of contributors to the account of the current user
/// Update the matching attribute of the current user if the parameter is true
/// Return the list of contributors
/// </summary>
/// <param name="createContributorList">False by default. Indicates if the _contributors attribute needs to be updated with the result</param>
/// <returns>The list of contributors to the account of the current user</returns>
public List <User> GetContributors(bool createContributorList = false)
{
// Specific error handler
// Manage the error 400 thrown when contributors are not enabled by the current user
Token.WebExceptionHandlingDelegate del = delegate(WebException wex)
{
int indexOfStatus = wex.Response.Headers.AllKeys.ToList().IndexOf("Status");
string statusValue = wex.Response.Headers.Get(indexOfStatus);
char[] t = new char[] { ' ' };
string[] statusContent = statusValue.Split(t);
if (statusContent != null && statusContent.Length > 0)
{
switch (statusContent[0])
{
case "400":
// Don't need to do anything, the method will return null
Console.WriteLine("Contributors are not enabled for this user");
break;
default:
// Other errors are not managed
throw wex;
}
}
else
{
throw wex;
}
};
List <User> result = null;
// Contributors can be researched according to the user's id or screen_name
if (this.id != null)
{
result = getContributionObjects(this.token, String.Format(this.query_user_contributors_from_id, this.id), del);
}
else if (this.screen_name != null)
{
result = getContributionObjects(this.token, String.Format(this.query_user_contributors_from_name, this.screen_name), del);
}
// Update the attribute _contributors if required
if (createContributorList)
{
_contributors = result;
}
return(result);
}
/// <summary>
/// Update the exception handler attribute with the 3rd parameter
/// Get the list of users matching the Twitter request url (contributors or contributees)
/// </summary>
/// <param name="token"> Current user token to access the Twitter API</param>
/// <param name="url">Twitter requets URL</param>
/// <param name="exceptionHandlerDelegate">Delegate method to handle Twitter request exceptions</param>
/// <returns>Null if the token parameter is null or if the Twitter request fails. A list of users otherwise (contributors or contributees).</returns>
private List <User> getContributionObjects(Token token, String url, Token.WebExceptionHandlingDelegate exceptionHandlerDelegate = null)
{
//
if (token == null)
{
Console.WriteLine("User's token is needed");
return(null);
}
// Update the exception handler
//token.Integrated_Exception_Handler = false;
token.ExceptionHandler = exceptionHandlerDelegate;
dynamic webRequestResult = token.ExecuteQuery(url);
List <User> result = null;
if (webRequestResult != null)
{
// Create and fill a user list with the data retrieved from Twitter (Dictionary<String, object>[])
result = new User[] { }.ToList();
if (webRequestResult is object[])
{
object[] retrievedContributors = webRequestResult as object[];
foreach (object rc in retrievedContributors)
{
if (rc is Dictionary <String, object> )
{
Dictionary <String, object> userInfo = rc as Dictionary <String, object>;
User u = new User();
u.fillUser(userInfo);
result.Add(u);
}
}
}
}
return(result);
}
