public void RemovePhotoFromGroupAsync(string photoId, string groupId)
{
string timestamp = DateTimeUtils.GetTimestamp();
string nonce = Guid.NewGuid().ToString().Replace("-", null);
Dictionary<string, string> paramDict = new Dictionary<string, string>();
paramDict["method"] = "flickr.groups.pools.remove";
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["photo_id"] = photoId;
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)
{
RemovePhotoFromGroupExceptionEventArgs exceptionArgs = new RemovePhotoFromGroupExceptionEventArgs();
exceptionArgs.PhotoId = photoId;
exceptionArgs.GroupId = groupId;
exceptionArgs.ErrorMessage = errorMessage;
RemovePhotoFromGroupException.DispatchEvent(this, exceptionArgs);
}
else
{
RemovePhotoFromGroupEventArgs args = new RemovePhotoFromGroupEventArgs();
args.PhotoId = photoId;
args.GroupId = groupId;
PhotoRemovedFromGroup.DispatchEvent(this, args);
}
}, (ex) =>
{
RemovePhotoFromGroupExceptionEventArgs exceptionArgs = new RemovePhotoFromGroupExceptionEventArgs();
exceptionArgs.PhotoId = photoId;
exceptionArgs.GroupId = groupId;
exceptionArgs.ErrorMessage = "Unknown network error";
RemovePhotoFromGroupException.DispatchEvent(this, exceptionArgs);
});
}
private void OnPhotoRemovedFromGroup(object sender, RemovePhotoFromGroupEventArgs e)
{
// Update group throttle info
FlickrGroup group = GroupCache[e.GroupId];
Photo photo = PhotoCache[e.PhotoId];
if (group.ThrottleMode != "none")
group.ThrottleRemainingCount++;
if (group.Photos.Contains(photo))
{
group.Photos.Remove(photo);
group.PhotoCount--;
// Dispatch event
RemovePhotoFromGroupCompleteEventArgs evt = new RemovePhotoFromGroupCompleteEventArgs();
evt.PhotoId = photo.ResourceId;
evt.GroupId = group.ResourceId;
RemovePhotoFromGroupCompleted.DispatchEvent(this, evt);
}
}