public async void GetTopicRepliesAsync(string topicId, string groupId, Dictionary<string, string> parameters = null)
{
if (topicRepliesFetchingQueue.Contains(topicId))
return;
topicRepliesFetchingQueue.Add(topicId);
string timestamp = DateTimeUtils.GetTimestamp();
string nonce = Guid.NewGuid().ToString().Replace("-", null);
Dictionary<string, string> paramDict = new Dictionary<string, string>();
paramDict["method"] = "flickr.groups.discuss.replies.getList";
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["topic_id"] = topicId;
if (parameters != null)
{
foreach (var entry in parameters)
{
paramDict[entry.Key] = entry.Value;
}
}
string paramString = GenerateParamString(paramDict);
string signature = GenerateSignature("GET", AccessTokenSecret, "https://api.flickr.com/services/rest", paramString);
string requestUrl = "https://api.flickr.com/services/rest?" + paramString + "&oauth_signature=" + signature;
HttpWebResponse response = await DispatchRequest("GET", requestUrl, null).ConfigureAwait(false);
using (StreamReader reader = new StreamReader(response.GetResponseStream()))
{
topicRepliesFetchingQueue.Remove(topicId);
if (response.StatusCode != HttpStatusCode.OK)
{
HandleHTTPException(response);
return;
}
string jsonString = await reader.ReadToEndAsync().ConfigureAwait(false);
if (!TryHandleResponseException(jsonString, () => { GetTopicRepliesAsync(topicId, groupId, parameters); }))
return;
GetTopicRepliesEventArgs args = new GetTopicRepliesEventArgs();
args.TopicId = topicId;
args.Response = jsonString;
args.GroupId = groupId;
TopicRepliesReturned.DispatchEvent(this, args);
}
}
private void OnTopicRepliesReturned(object sender, GetTopicRepliesEventArgs e)
{
if (!Cinderella.CinderellaCore.GroupCache.ContainsKey(e.GroupId))
return;
FlickrGroup group = Cinderella.CinderellaCore.GroupCache[e.GroupId];
if (!group.TopicCache.ContainsKey(e.TopicId))
return;
Topic topic = group.TopicCache[e.TopicId];
JObject rawJson = JObject.Parse(e.Response);
JObject rootJson = (JObject)rawJson["replies"];
JObject topicJson = (JObject)rootJson["topic"];
int TotalCount = int.Parse(topicJson["total"].ToString());
int page = int.Parse(topicJson["page"].ToString());
int numPages = int.Parse(topicJson["pages"].ToString());
int perPage = int.Parse(topicJson["per_page"].ToString());
List<TopicReply> newReplies = new List<TopicReply>();
if (TotalCount > 0)
{
foreach (var entry in rootJson["reply"])
{
JObject json = (JObject)entry;
TopicReply reply = TopicReplyFactory.TopicReplyWithJObject(json, topic);
if (!topic.Replies.Contains(reply))
{
topic.Replies.Add(reply);
newReplies.Add(reply);
}
}
}
// Dispatch event
TopicRepliesUpdatedEventArgs evt = new TopicRepliesUpdatedEventArgs();
evt.GroupId = group.ResourceId;
evt.TopicId = topic.ResourceId;
evt.Page = page;
evt.PageCount = numPages;
evt.PerPage = perPage;
evt.NewReplies = newReplies;
TopicRepliesUpdated.DispatchEvent(this, evt);
}
