-- product_page.controller.wo — the CONTROLLER for /p/:sku.
use framework/http
use layout
use product_page

pub class ShowProduct {
  pad: Int
  fn handle(req: Req) -> Resp {
    let sku = req.params["sku"];
    if sku == nil {
      return html_error(404, "No such product", "The address is missing a product.");
    }
    let hits = from p in Product where p.sku == sku take 1 select p;
    if len(hits) == 0 {
      return html_error(404, "No such product", "Nothing is listed under that sku.");
    }
    let p = hits[0];
    let page = ProductPage { sku: p.sku, name: p.name, price: p.price, stock: p.stock };
    return ok_html(app_shell("shop — ${p.name}", page.render()));
  }
}