// Activity stream retrieved for a user
private void OnActivityStreamReturned(object sender, GetActivityStreamEventArgs e)
{
JObject rawJson = JObject.Parse(e.Response);
JObject rootJson = (JObject)rawJson["items"];
ActivityItemsCount = int.Parse(rootJson["total"].ToString());
ActivityList.Clear();
foreach (var entry in rootJson["item"])
{
JObject json = (JObject)entry;
PhotoActivity activity = ActivityFactory.ActivityWithJObject(json);
if (activity == null)
continue;
if (!ActivityList.Contains(activity))
{
ActivityList.Add(activity);
}
}
// Dispatch event
if (ActivityStreamUpdated != null)
ActivityStreamUpdated(this, null);
}
public async void GetActivityStreamAsync()
{
if (isLoadingActivityStream)
return;
isLoadingActivityStream = true;
string timestamp = DateTimeUtils.GetTimestamp();
string nonce = Guid.NewGuid().ToString().Replace("-", null);
Dictionary<string, string> paramDict = new Dictionary<string, string>();
paramDict["method"] = "flickr.activity.userPhotos";
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["timeframe"] = "30d";
paramDict["page"] = "1";
paramDict["per_page"] = "25";
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()))
{
isLoadingActivityStream = false;
if (response.StatusCode != HttpStatusCode.OK)
{
HandleHTTPException(response);
return;
}
string jsonString = await reader.ReadToEndAsync().ConfigureAwait(false);
if (!TryHandleResponseException(jsonString, () => { GetActivityStreamAsync(); }))
return;
GetActivityStreamEventArgs args = new GetActivityStreamEventArgs();
args.Response = jsonString;
ActivityStreamReturned.DispatchEvent(this, args);
}
}
