public void AddTopicAsync(string sessionId, string groupId, string subject, string message)
{
string timestamp = DateTimeUtils.GetTimestamp();
string nonce = Guid.NewGuid().ToString().Replace("-", null);
Dictionary<string, string> paramDict = new Dictionary<string, string>();
paramDict["method"] = "flickr.groups.discuss.topics.add";
paramDict["format"] = "json";
paramDict["nojsoncallback"] = "1";
paramDict["oauth_consumer_key"] = consumerKey;
paramDict["oauth_nonce"] = nonce;
paramDict["oauth_signature_method"] = "HMAC-SHA1";
paramDict["oauth_timestamp"] = timestamp;
paramDict["oauth_token"] = AccessToken;
paramDict["oauth_version"] = "1.0";
paramDict["group_id"] = groupId;
paramDict["subject"] = subject;
paramDict["message"] = message;
string signature = OAuthCalculateSignature("POST", "https://api.flickr.com/services/rest/", paramDict, AccessTokenSecret);
paramDict["oauth_signature"] = signature;
DispatchPostRequest("POST", "https://api.flickr.com/services/rest/", paramDict,
(response) => {
bool success = true;
string errorMessage = "";
try
{
JObject json = JObject.Parse(response);
string status = json["stat"].ToString();
if (status != "ok")
{
success = false;
errorMessage = json["message"].ToString();
}
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
success = false;
}
if (!success)
{
AddTopicExceptionEventArgs exceptionArgs = new AddTopicExceptionEventArgs();
exceptionArgs.SessionId = sessionId;
AddTopicException.DispatchEvent(this, exceptionArgs);
}
else
{
AddTopicEventArgs args = new AddTopicEventArgs();
args.SessionId = sessionId;
args.GroupId = groupId;
args.Response = response;
args.Subject = subject;
args.Message = message;
TopicAdded.DispatchEvent(this, args);
}
}, (ex) => {
AddTopicExceptionEventArgs exceptionArgs = new AddTopicExceptionEventArgs();
exceptionArgs.SessionId = sessionId;
AddTopicException.DispatchEvent(this, exceptionArgs);
});
}
private void OnTopicAdded(object sender, AddTopicEventArgs e)
{
FlickrGroup group = Cinderella.CinderellaCore.GroupCache[e.GroupId];
JObject rawJson = JObject.Parse(e.Response);
string newTopicId = rawJson["topic"]["id"].ToString();
Topic newTopic = new Topic();
newTopic.ResourceId = newTopicId;
newTopic.Subject = e.Subject;
newTopic.Message = e.Message;
newTopic.Author = CurrentUser;
newTopic.CreationDate = DateTime.Now;
group.TopicCache[newTopicId] = newTopic;
group.Topics.Insert(0, newTopic);
group.TopicCount++;
AddTopicCompleteEventArgs evt = new AddTopicCompleteEventArgs();
evt.SessionId = e.SessionId;
evt.GroupId = group.ResourceId;
evt.newTopic = newTopic;
AddTopicCompleted.DispatchEvent(this, evt);
}