Add the Workshops page and keep each sign-up on the site.

The form is built once to the settled field set, and a valid send is saved before anyone is emailed.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/api/workshop-signup/route.ts

@@ -0,0 +1,90 @@
+import { NextRequest, NextResponse } from "next/server";
+import { apiRoute } from "../../../lib/server/apiRoute";
+import { submitWorkshopSignup } from "../../../lib/server/workshopSignup";
+import { attachWorkshopSignupDraft } from "../../../lib/server/workshopSignupDraft";
+import { readLimitedJson } from "../../../lib/server/validation/requestBody";
+import { workshopSignupFromFormData } from "../../../lib/server/validation/workshopSignupSchemas";
+
+const SCOPE = "workshop-signup.submit";
+
+function wantsHtmlForm(request: NextRequest): boolean {
+  const type = request.headers.get("content-type") ?? "";
+  return (
+    type.includes("application/x-www-form-urlencoded") ||
+    type.includes("multipart/form-data")
+  );
+}
+
+function redirectBack(
+  request: NextRequest,
+  status: string,
+  largeOrganization: boolean,
+): NextResponse {
+  const url = new URL("/workshops", request.url);
+  url.searchParams.set("signup", status);
+  if (status === "sent") {
+    url.searchParams.set("band", largeOrganization ? "large" : "standard");
+  }
+  url.hash = "workshop-signup";
+  return NextResponse.redirect(url, 303);
+}
+
+export const POST = apiRoute(SCOPE, async (request: NextRequest, _ctx, { requestId }) => {
+  const htmlForm = wantsHtmlForm(request);
+
+  let raw: unknown;
+  if (htmlForm) {
+    const formData = await request.formData();
+    const parsed = workshopSignupFromFormData(formData);
+    raw = {
+      ...parsed.values,
+      company_website: parsed.honeypot,
+      startedAt: parsed.startedAt,
+    };
+  } else {
+    const parsedBody = await readLimitedJson(request);
+    if (parsedBody.ok === false) return parsedBody.response;
+    raw = parsedBody.value;
+  }
+
+  const result = await submitWorkshopSignup(raw, requestId);
+
+  if (htmlForm) {
+    const status =
+      result.status === "unavailable" ? "failed" : result.status === "sent" ? "sent" : result.status;
+    const response = redirectBack(request, status === "rate_limited" ? "failed" : status, result.largeOrganization);
+    if (result.status !== "sent") {
+      attachWorkshopSignupDraft(response, {
+        values: result.values,
+        fieldErrors: result.fieldErrors,
+      });
+    }
+    return response;
+  }
+
+  if (result.status === "invalid") {
+    return NextResponse.json(
+      {
+        ok: false,
+        status: "invalid",
+        fieldErrors: result.fieldErrors,
+        values: result.values,
+      },
+      { status: 400 },
+    );
+  }
+
+  if (result.status === "rate_limited") {
+    return NextResponse.json({ ok: false, status: "rate_limited" }, { status: 429 });
+  }
+
+  if (result.status === "failed" || result.status === "unavailable") {
+    return NextResponse.json({ ok: false, status: "failed" }, { status: 502 });
+  }
+
+  return NextResponse.json({
+    ok: true,
+    status: "sent",
+    largeOrganization: result.largeOrganization,
+  });
+});