public IOAuthClientFlow BeginOAuthFlow(IEntitySession session, Guid userId, string serverName, string scopes = null)
{
using (session.WithElevateRead()) {
var acct = session.GetOAuthAccount(serverName);
session.Context.ThrowIfNull(acct, ClientFaultCodes.ObjectNotFound, "serverName", "Account not registered for server {0}.", serverName);
scopes = string.IsNullOrWhiteSpace(scopes) ? acct.Server.Scopes : scopes; //take all scopes
var flow = acct.BeginOAuthFlow(userId, scopes);
return(flow);
}
}