Implement public audit pages

lib/audits/public-audit-presenter.ts

@@ -0,0 +1,51 @@
+import type {
+  PublicAuditLookupResult,
+  PublicAuditOffer,
+  PublicAuditRenderState,
+} from "./public-audit-types";
+
+const isSafeCtaHref = (href: string) => {
+  try {
+    const parsed = new URL(href);
+    return parsed.protocol === "https:" || parsed.protocol === "mailto:" || parsed.protocol === "tel:";
+  } catch {
+    return href.startsWith("/");
+  }
+};
+
+const sanitizeOffer = (offer: PublicAuditOffer): PublicAuditOffer => {
+  if (!offer.ctaHref || isSafeCtaHref(offer.ctaHref)) {
+    return offer;
+  }
+
+  return {
+    body: offer.body,
+    ctaLabel: offer.ctaLabel,
+  };
+};
+
+export const toPublicAuditRenderState = (
+  result: PublicAuditLookupResult,
+): PublicAuditRenderState => {
+  if (!result || result.publicationStatus === "deactivated") {
+    return { kind: "unavailable" };
+  }
+
+  if (result.publicationStatus !== "published") {
+    return { kind: "pending" };
+  }
+
+  return {
+    kind: "published",
+    audit: {
+      companyName: result.companyName,
+      domain: result.domain,
+      publishedAt: result.publishedAt,
+      headline: result.publicContent.headline,
+      intro: result.publicContent.intro,
+      observations: result.publicContent.observations,
+      finalOffer: sanitizeOffer(result.publicContent.finalOffer),
+      screenshots: result.screenshots,
+    },
+  };
+};