- docs/examples/writeonce-serve -> docs/examples/porch (git mv, history kept); `[deps]` key and import are now `porch` / `porch/http` / `porch/router` - name history preserved on the library README, not rewritten into dated records: writeonce-framework -> writeonce-serve (08-25) -> porch (08-26). Stories, specs, plans and the audit reports keep the older name by the repo's own convention; only live docs and every path link were rewritten - left alone deliberately: `internal/serve.wo`, `pub fn serve`, `serve_conn`, `app.serve(...)` — those are functions, not the module name - web-app/wo.toml comment corrected: it claimed hyphens are not identifier characters and named a key this file never used. lexer.ml's `is_ident_cont` DOES accept `-` (an internal dash is part of the identifier, which is why binary minus needs spaces), so a hyphenated key would be legal too - site now teaches the name: package card, the two-deps chapter and the handlers-are-classes chapter say `porch`; site-accept asserted the old /packages/serve route and caught the rename, as a gate should - gates: web-app 46/0, site 21/0, deps-accept 8/0, oop-e2e 116/0, linkcheck 0 broken / 0 anchors; porch typechecks entry-less as kind=library Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
53 lines
1.9 KiB
Text
53 lines
1.9 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 porch/http
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use layout
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use time
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pub class CreateOrder {
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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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let shell = AppShell { title: "shop — order placed", content: page.render() };
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return ok_html(shell.render());
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}
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}
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pub class ListOrders {
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fn handle(req: Req) -> Resp {
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let rows: multi Component = [];
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for o in from x in Order select x {
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push(rows, OrderRow { name: o.product.name, qty: o.qty, total: o.total, status: o.status });
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}
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let page = OrdersPage { rows: rows };
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let shell = AppShell { title: "shop — orders", content: page.render() };
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return ok_html(shell.render());
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}
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}
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