private void OnContactPhotosReturned(object sender, GetContactPhotosEventArgs e)
{
JObject rawJson = JObject.Parse(e.Response);
JObject rootJson = (JObject)rawJson["photos"];
ContactPhotoList.Clear();
foreach (var entry in rootJson["photo"])
{
JObject json = (JObject)entry;
Photo photo = PhotoFactory.PhotoWithJObject(json);
ContactPhotoList.Add(photo);
}
// Dispatch event
if (ContactPhotosUpdated != null)
ContactPhotosUpdated(this, null);
}
public async void GetContactPhotosAsync()
{
if (isLoadingContactPhotos)
return;
isLoadingContactPhotos = true;
string timestamp = DateTimeUtils.GetTimestamp();
string nonce = Guid.NewGuid().ToString().Replace("-", null);
Dictionary<string, string> paramDict = new Dictionary<string, string>();
paramDict["method"] = "flickr.photos.getContactsPhotos";
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["count"] = "25";
paramDict["extras"] = UrlHelper.Encode(commonExtraParameters);
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()))
{
isLoadingContactPhotos = false;
if (response.StatusCode != HttpStatusCode.OK)
{
HandleHTTPException(response);
return;
}
string jsonString = await reader.ReadToEndAsync().ConfigureAwait(false);
if (!TryHandleResponseException(jsonString,
() =>
{
GetContactPhotosAsync();
},
() =>
{
if (GetContactPhotosException != null)
GetContactPhotosException(this, null);
}))
return;
GetContactPhotosEventArgs args = new GetContactPhotosEventArgs();
args.Response = jsonString;
ContactPhotosReturned.DispatchEvent(this, args);
}
}
