text: module.exports = function(ctx) {
    // ensure args.{cart,product,purchase} is a valid entity
    // loads ent if value is just an id
    this.act({
      role: 'util',
      cmd: 'ensure_entity',
      pin: {
        role: 'cart',
        cmd:'*'
      },
      entmap:{
        cart: ctx.cart_ent,
        product: ctx.product_ent,
        purchase: ctx.purchase_ent
      }
    })
  
    this.act({
      role: 'web',
      use: require('./web-use')(ctx)
    })
  }
  