fix: FIFO queue for waitlisting; send email for application form; EU logo in contact page in light mode

apps/web/app/routes/events-calendar.$slug.tsx

@@ -128,8 +128,6 @@ export async function action({ params, request }: Route.ActionArgs) {
   const { event } = requireEntity(await fetchEvent(slug, locale));
   const form = await request.formData();
 
-  const waitlist = isWaitlisted(event);
-
   /* A form nobody can submit through the page must not be submittable through
      a POST either - registration state is checked again on the server. */
   if (!isRegistrationOpen(event)) {
@@ -138,7 +136,7 @@ export async function action({ params, request }: Route.ActionArgs) {
 
   /* A bot that fills every field gets the acknowledgement and writes nothing. */
   if (isHoneypotFilled(form)) {
-    return { ok: true, waitlist } satisfies ActionResult;
+    return { ok: true, waitlist: isWaitlisted(event) } satisfies ActionResult;
   }
 
   const { values, errors, valid } = validateRegistration(form);
@@ -150,6 +148,7 @@ export async function action({ params, request }: Route.ActionArgs) {
     );
   }
 
+  let registrationState: "confirmed" | "waitlisted";
   try {
     /* Only the fields the CMS whitelist accepts are sent - see
        ./_events-opportunities/submissions.server.ts. `registrationState` is
@@ -159,7 +158,11 @@ export async function action({ params, request }: Route.ActionArgs) {
        `waitlist` flag below is therefore presentational - it decides which
        sentence the reader sees, and it is read from the same event fields the
        middleware weighs, so the two agree. */
-    await submitRegistration({ values, eventId: event.documentId });
+    registrationState = await submitRegistration({
+      values,
+      eventId: event.documentId,
+      forwardedFor: request.headers.get("x-forwarded-for") ?? undefined,
+    });
   } catch (error) {
     if (!isStrapiError(error)) throw error;
     /* A 4xx here is the CMS refusing the registration on its own terms - the
@@ -175,7 +178,10 @@ export async function action({ params, request }: Route.ActionArgs) {
     );
   }
 
-  return { ok: true, waitlist } satisfies ActionResult;
+  return {
+    ok: true,
+    waitlist: registrationState === "waitlisted",
+  } satisfies ActionResult;
 }
 
 /* ---------------------------------------------------------------------------