fix product schema and add fields (#3177)

Author: isstuev

lib/metadata/__snapshots__/generate.spec.ts.snap

@@ -26,12 +26,14 @@ exports[`generates correct metadata for: > dynamic route with API data 1`] = `
       "name": "Tether",
     },
     "description": "USDT is a stablecoin",
-    "logo": "https://example.com/usdt.png",
+    "image": "https://example.com/usdt.png",
     "name": "USDT",
     "offers": {
       "@type": "Offer",
+      "availability": "InStock",
       "price": "1.00",
       "priceCurrency": "USD",
+      "priceValidUntil": "2024-01-02T00:00:00.000Z",
     },
     "productID": "0x12345",
     "url": "http://localhost:3000/token/0x12345",

lib/metadata/generate.spec.ts

@@ -2,7 +2,7 @@ import type { ApiData } from './types';
 
 import type { Route } from 'nextjs-routes';
 
-import { describe, it, expect } from 'vitest';
+import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
 
 import generate from './generate';
 
@@ -49,6 +49,16 @@ const TEST_CASES = [
 ];
 
 describe('generates correct metadata for:', () => {
+  beforeEach(() => {
+    // Mock date to a fixed value: 2024-01-01T00:00:00.000Z
+    vi.useFakeTimers();
+    vi.setSystemTime(new Date('2024-01-01T00:00:00.000Z'));
+  });
+
+  afterEach(() => {
+    vi.useRealTimers();
+  });
+
   TEST_CASES.forEach((testCase) => {
     it(`${ testCase.title }`, () => {
       const result = generate(testCase.route, testCase.apiData);

lib/metadata/generateProductSchema.ts

@@ -41,7 +41,7 @@ export default function generateProductSchema<Pathname extends Route['pathname']
     '@type': 'Product',
     name: tokenData.name || tokenData.symbol || undefined,
     description: tokenData.description || undefined,
-    logo: tokenData.icon_url || undefined,
+    image: tokenData.icon_url || undefined,
     url: tokenUrl,
     productID: tokenData.address_hash,
   };
@@ -60,6 +60,8 @@ export default function generateProductSchema<Pathname extends Route['pathname']
       '@type': 'Offer',
       price: tokenData.exchange_rate,
       priceCurrency: 'USD',
+      priceValidUntil: new Date(Date.now() + 1000 * 60 * 60 * 24).toISOString(),
+      availability: 'InStock',
     };
   }
 

lib/metadata/types.ts

@@ -19,13 +19,15 @@ export interface ProductSchema {
     '@type': 'Product';
     name?: string;
     description?: string;
-    logo?: string;
+    image?: string;
     url?: string;
     productID?: string;
     offers?: {
         '@type': 'Offer';
         price?: string;
         priceCurrency?: string;
+        priceValidUntil?: string;
+        availability?: string;
     };
     brand?: {
         '@type': 'Brand';