class Api::V1::ApplicationController < ActionController::API
  include ActionController::HttpAuthentication::Token::ControllerMethods

  attr_reader :current_user

  before_filter :require_access_key
  before_filter :update_limit

  private

  def require_access_key
    authenticate_with_http_token do |key, options|
      @current_user = Token.find_by_key(key).account if Token.exists?(key: key)
    end
  end

  def update_limit
    access_token = @current_user.access_token
    previous_limit = access_token.limit
    access_token.update_attributes limit: previous_limit - 1
  end
end