public IHttpActionResult GetCollection(string id, [FromUri] string token, [FromUri] string shopname,
            [FromUri] string[] fields, [FromUri] int top = 0)
        {
            var service = new ShopifyService();
            var collection = service.GetEntity("collections", id, token, shopname, fields, top);

            return Ok(collection);
        }
        public IHttpActionResult GetCustomer(string id, [FromUri] string token, [FromUri] string shopname,
            [FromUri] string[] fields, [FromUri] int top = 0)
        {
            var service = new ShopifyService();
            var customer = service.GetEntity("customers", id, token, shopname, fields, top);

            return Ok(customer);
        }
        public IHttpActionResult GetProduct(string id, [FromUri] string token, [FromUri] string shopname,
            [FromUri] string[] fields, [FromUri] int top = 0)
        {
            var service = new ShopifyService();
            var product = service.GetEntity("products", id, token, shopname, fields, top);

            return Ok(product);
        }