/// <summary>
/// Checks whether the user has opted in to an extended application permission.
/// </summary>
/// <example>
/// <code>
/// private static void RunDemoAsync()
/// {
/// Api api = new Api(new DesktopSession(Constants.ApplicationKey, Constants.ApplicationSecret, Constants.ApplicationSecret, Constants.SessionKey));
/// api.Users.HasAppPermissionAsync(Enums.ExtendedPermissions.email, Constants.UserId, AsyncDemoCompleted, null);
/// }
///
/// private static void AsyncDemoCompleted(bool result, Object state, FacebookException e)
/// {
/// var actual = result;
/// }
/// </code>
/// </example>
/// <param name="ext_perm">String identifier for the extended permission that is being checked for. Must be one of email, read_stream, publish_stream, offline_access, status_update, photo_upload, {create_event, rsvp_event, sms, video_upload, create_note, share_item.</param>
/// <param name="uid">The user ID of the user whose permissions you are checking. If this parameter is not specified, then it defaults to the session user. Note: This parameter applies only to Web applications. Facebook ignores this parameter if it is passed by a desktop application.</param>
/// <param name="callback">The AsyncCallback delegate</param>
/// <param name="state">An object containing state information for this asynchronous request</param>
/// <returns>Returns true or false.</returns>
public void HasAppPermissionAsync(Enums.ExtendedPermissions ext_perm, long uid, HasAppPermissionCallback callback, Object state)
{
HasAppPermission(ext_perm, uid, true, callback, state);
}
private bool HasAppPermission(Enums.ExtendedPermissions ext_perm, long uid, bool isAsync, HasAppPermissionCallback callback, Object state)
{
var parameterList = new Dictionary<string, string>
{
{"method", "facebook.users.hasAppPermission"},
{"ext_perm", ext_perm.ToString()}
};
Utilities.AddOptionalParameter(parameterList, "uid", uid);
if (isAsync)
{
SendRequestAsync<users_hasAppPermission_response, bool>(parameterList, !string.IsNullOrEmpty(Session.SessionKey), new FacebookCallCompleted<bool>(callback), state);
return false;
}
var response = SendRequest<users_hasAppPermission_response>(parameterList, !string.IsNullOrEmpty(Session.SessionKey));
return response == null ? true : response.TypedValue;
}
/// <summary>
/// Checks whether the user has opted in to an extended application permission.
/// </summary>
/// <example>
/// <code>
/// private static void RunDemoAsync()
/// {
/// Api api = new Api(new DesktopSession(Constants.ApplicationKey, Constants.ApplicationSecret, Constants.ApplicationSecret, Constants.SessionKey));
/// api.Users.HasAppPermissionAsync(Enums.ExtendedPermissions.email, AsyncDemoCompleted, null);
/// }
///
/// private static void AsyncDemoCompleted(bool result, Object state, FacebookException e)
/// {
/// var actual = result;
/// }
/// </code>
/// </example>
/// <param name="ext_perm">String identifier for the extended permission that is being checked for. Must be one of email, read_stream, publish_stream, offline_access, status_update, photo_upload, {create_event, rsvp_event, sms, video_upload, create_note, share_item.</param>
/// <param name="callback">The AsyncCallback delegate</param>
/// <param name="state">An object containing state information for this asynchronous request</param>
/// <returns>Returns true or false.</returns>
public void HasAppPermissionAsync(Enums.ExtendedPermissions ext_perm, HasAppPermissionCallback callback, Object state)
{
HasAppPermissionAsync(ext_perm, 0, callback, state);
}
