Co-locate gift-links response serializers in the service module

ghost/core/core/server/api/endpoints/utils/serializers/output/index.js

@@ -38,7 +38,7 @@ module.exports = {
     },
 
     get gift_links() {
-        return require('./gift-links');
+        return require('../../../../../services/gift-links/serializers').giftLinksSerializers;
     },
 
     get redirects() {

ghost/core/core/server/services/gift-links/serializers.ts

@@ -0,0 +1,46 @@
+import {z} from 'zod';
+import {GiftLink} from './models';
+import type {Post} from './models';
+
+interface Frame {
+    response?: unknown;
+}
+
+// Response schemas — the shapes the admin endpoints emit.
+const GiftLinkResource = z.object({
+    token: z.string(),
+    redeemed_count: z.number(),
+    last_redeemed_at: z.date().nullable(),
+    created_at: z.date()
+});
+const GiftLinksResponse = z.object({gift_links: z.array(GiftLinkResource)});
+const RevokeAllResponse = z.object({meta: z.object({count: z.number()})});
+
+const toGiftLinksResponse = z.array(GiftLink)
+    .transform((links): z.input<typeof GiftLinksResponse> => ({
+        gift_links: links.map(link => ({
+            token: link.token,
+            redeemed_count: link.redeemedCount,
+            last_redeemed_at: link.lastRedeemedAt,
+            created_at: link.createdAt
+        }))
+    }))
+    .pipe(GiftLinksResponse);
+
+const toRevokeAllResponse = z.object({count: z.number()})
+    .transform((data): z.input<typeof RevokeAllResponse> => ({meta: {count: data.count}}))
+    .pipe(RevokeAllResponse);
+
+const serializeLiveLinks = (post: Post, _apiConfig: unknown, frame: Frame): void => {
+    frame.response = toGiftLinksResponse.parse(post.giftLinks);
+};
+
+// Endpoint -> response shape.
+export const giftLinksSerializers = {
+    read: serializeLiveLinks,
+    issue: serializeLiveLinks,
+    reissue: serializeLiveLinks,
+    revokeAll(data: {count: number}, _apiConfig: unknown, frame: Frame): void {
+        frame.response = toRevokeAllResponse.parse(data);
+    }
+};