ruby on rails - can't include devise helper methods in my controller -


i'm working on api , have login via devise. working on controllers, have method in sessionscontroller this

  def create     resource = user.find_for_database_authentication(email: params[:user_email])     return invalid_login_attempt unless resource      if resource.valid_password?(params[:user_password])       session[:uid] = resource.authentication_token       #sign_in("user", resource)       render :json => {success: true, auth_token: resource.authentication_token, email: resource.email}       return     end     invalid_login_attempt   end

but got error on sign_in saying method doesn't exists.
tried include devise::controllers::internalhelpers doesn't worked too...
missing?


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