/// <summary>
/// Requests the friends of the encoded user id or if none supplied the current logged in user
/// </summary>
/// <param name="encodedUserId">encoded user id, can be null for current logged in user</param>
/// <returns>List of <see cref="UserProfile"/></returns>
public async Task <List <UserProfile> > GetFriendsAsync(string encodedUserId = default(string))
{
string apiCall = FitbitClientHelperExtensions.ToFullUrl("/1/user/{0}/friends.json", encodedUserId);
HttpResponseMessage response = await HttpClient.GetAsync(apiCall);
await HandleResponse(response);
string responseBody = await response.Content.ReadAsStringAsync();
var serializer = new JsonDotNetSerializer();
return(serializer.GetFriends(responseBody));
}
