private void OnGroupSearchReturned(object sender, GroupSearchEventArgs e)
{
JObject json = JObject.Parse(e.Response);
JObject groupJson = (JObject)json["groups"];
int page = int.Parse(groupJson["page"].ToString());
int perPage = int.Parse(groupJson["perpage"].ToString());
int numTotal = int.Parse(groupJson["total"].ToString());
List<FlickrGroup> groups = new List<FlickrGroup>();
foreach (var js in groupJson["group"])
{
FlickrGroup group = FlickrGroupFactory.GroupWithJObject((JObject)js);
groups.Add(group);
}
GroupSearchResultEventArgs evt = new GroupSearchResultEventArgs();
evt.SearchSessionId = e.SearchSessionId;
evt.Page = page;
evt.PerPage = perPage;
evt.TotalCount = numTotal;
evt.Groups = groups;
GroupSearchCompleted.DispatchEvent(this, evt);
}
public async void SearchGroupsAsync(string searchSessionId, string query = null, Dictionary<string, string> parameters = null)
{
string timestamp = DateTimeUtils.GetTimestamp();
string nonce = Guid.NewGuid().ToString().Replace("-", null);
Dictionary<string, string> paramDict = new Dictionary<string, string>();
paramDict["method"] = "flickr.groups.search";
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["text"] = UrlHelper.Encode(query);
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()))
{
if (response.StatusCode != HttpStatusCode.OK)
{
HandleHTTPException(response);
return;
}
string jsonString = await reader.ReadToEndAsync().ConfigureAwait(false);
if (!TryHandleResponseException(jsonString, () => { SearchGroupsAsync(searchSessionId, query, parameters); }))
return;
GroupSearchEventArgs evt = new GroupSearchEventArgs();
evt.SearchSessionId = searchSessionId;
evt.Response = jsonString;
GroupSearchReturned.DispatchEvent(this, evt);
}
}
