shoney.arickathil
89df517613
- docs/examples/shop: types.wo model, per-feature view modules
(render() classes), root controller files, layout shell/header/
footer, static assets controller + real style.css, README with
Angular file map + run + DX referendum notes
- buy flow proven by hand: stock check/decrement, 409s, traversal
404, css typed, WAL-durable; builds on the UNPATCHED toolchain
- two language gaps recorded, not fixed (per directive): pub+@table
cannot combine (controllers forced into root module); @view
projection classes absent
- story 37 REDIRECTED per Vue-SFC review: view.html compiled by woc
({{}} auto-escaped, w:if/w:for, typed against view class, no
runtime engine); render()-as-concatenation failed the referendum;
forks revised; shop named the acceptance consumer
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
55 lines
1.8 KiB
Text
55 lines
1.8 KiB
Text
-- orders.controller.wo — the buying flow: stock-checked order creation
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-- (decrement + insert are each WAL-committed before they acknowledge)
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-- and the orders list (ref navigation: o.product.name).
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use framework/http
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use layout
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use orders
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use time
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pub class CreateOrder {
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pad: Int
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fn handle(req: Req) -> Resp {
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let sku = req.params["sku"];
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if sku == nil {
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return html_error(404, "No such product", "The order names no product.");
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}
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let f = form_values(req);
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if f == nil {
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return html_error(400, "Bad order", "The form did not arrive form-encoded.");
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}
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let qraw = f["qty"];
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if qraw == nil {
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return html_error(400, "Bad order", "How many? The qty field is missing.");
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}
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let qty = parse_int(trim("${qraw}"));
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if qty == nil or qty < 1 {
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return html_error(400, "Bad order", "qty must be a positive number.");
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}
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let hits = from p in Product where p.sku == sku take 1 select p;
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if len(hits) == 0 {
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return html_error(404, "No such product", "Nothing is listed under that sku.");
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}
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let p = hits[0];
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if p.stock < qty {
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return html_error(409, "Not enough stock", "Only ${p.stock} left of ${p.name}.");
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}
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let total = p.price * float(qty);
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p.stock = p.stock - qty;
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insert Order { product: p, qty: qty, total: total, placed: time.now(), status: "placed" };
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let page = OrderOk { name: p.name, qty: qty, total: total };
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return ok_html(app_shell("shop — order placed", page.render()));
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}
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}
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pub class ListOrders {
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pad: Int
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fn handle(req: Req) -> Resp {
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let rows = "";
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for o in from x in Order select x {
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let row = OrderRow { name: o.product.name, qty: o.qty, total: o.total, status: o.status };
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rows = rows .. row.render();
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}
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let page = OrdersPage { rows: rows };
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return ok_html(app_shell("shop — orders", page.render()));
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}
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}
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