fix: sorting & revalidation

app/[page]/page.tsx

@@ -6,7 +6,7 @@ import { notFound } from 'next/navigation';
 
 export const runtime = 'edge';
 
-export const revalidate = parseInt(process.env.REVALIDATE_WINDOW ?? `${60 * 60 * 12}`); // 12 hours
+export const revalidate = 43200; // 12 hours
 
 export async function generateMetadata({
   params

app/api/revalidate/route.ts

@@ -1,4 +1,4 @@
-import { revalidate } from 'lib/shopify';
+import { revalidate } from 'lib/medusa';
 import { NextRequest, NextResponse } from 'next/server';
 
 export const runtime = 'edge';

app/page.tsx

@@ -5,7 +5,7 @@ import { Suspense } from 'react';
 
 export const runtime = 'edge';
 
-export const revalidate = parseInt(process.env.REVALIDATE_WINDOW ?? `${60 * 60 * 12}`); // 12 hours
+export const revalidate = 43200; // 12 hours
 
 export const metadata = {
   description: 'High-performance ecommerce store built with Next.js, Vercel, and Medusa.',

app/search/[collection]/page.tsx

@@ -33,11 +33,7 @@ export default async function CategoryPage({
 }) {
   const { sort } = searchParams as { [key: string]: string };
   const { sortKey, reverse } = sorting.find((item) => item.slug === sort) || defaultSort;
-  const products = await getCategoryProducts(
-    params.collection
-    // sortKey,
-    // reverse
-  );
+  const products = await getCategoryProducts(params.collection, reverse, sortKey);
 
   return (
     <section>

lib/medusa/index.ts

@@ -1,6 +1,10 @@
 import { isMedusaError } from 'lib/type-guards';
 
+import { TAGS } from 'lib/constants';
 import { mapOptionIds } from 'lib/utils';
+import { revalidateTag } from 'next/cache';
+import { headers } from 'next/headers';
+import { NextRequest, NextResponse } from 'next/server';
 import { calculateVariantAmount, computeAmount, convertToDecimal } from './helpers';
 import {
   Cart,
@@ -346,7 +350,11 @@ export async function getCategory(handle: string): Promise<ProductCollection | u
   return res.body.product_categories[0];
 }
 
-export async function getCategoryProducts(handle: string): Promise<Product[]> {
+export async function getCategoryProducts(
+  handle: string,
+  reverse: boolean,
+  sortKey: string
+): Promise<Product[]> {
   const res = await medusaRequest('GET', `/product-categories?handle=${handle}`);
 
   if (!res) {
@@ -355,13 +363,9 @@ export async function getCategoryProducts(handle: string): Promise<Product[]> {
 
   const category = res.body.product_categories[0];
 
-  const category_products = await medusaRequest('GET', `/products?category_id[]=${category.id}`);
+  const category_products = await getProducts({ reverse, sortKey, categoryId: category.id });
 
-  const products: Product[] = category_products.body.products.map((product: MedusaProduct) =>
-    reshapeProduct(product)
-  );
-
-  return products;
+  return category_products;
 }
 
 export async function getProduct(handle: string): Promise<Product> {
@@ -371,16 +375,32 @@ export async function getProduct(handle: string): Promise<Product> {
 }
 
 export async function getProducts({
-  query = '',
+  query,
   reverse,
-  sortKey
+  sortKey,
+  categoryId
 }: {
   query?: string;
   reverse?: boolean;
   sortKey?: string;
+  categoryId?: string;
 }): Promise<Product[]> {
-  const res = await medusaRequest('GET', `/products?q=${query}&limit=20`);
-  let products: Product[] = res.body.products.map((product: MedusaProduct) =>
+  let res;
+
+  if (query) {
+    res = await medusaRequest('GET', `/products?q=${query}&limit=100`);
+  } else if (categoryId) {
+    res = await medusaRequest('GET', `/products?category_id[]=${categoryId}&limit=100`);
+  } else {
+    res = await medusaRequest('GET', `/products?limit=100`);
+  }
+
+  if (!res) {
+    console.log("Couldn't fetch products");
+    return [];
+  }
+
+  let products: Product[] = res?.body.products.map((product: MedusaProduct) =>
     reshapeProduct(product)
   );
 
@@ -418,3 +438,27 @@ export async function getMenu(menu: string): Promise<any[]> {
 
   return [];
 }
+
+// This is called from `app/api/revalidate.ts` so providers can control revalidation logic.
+export async function revalidate(req: NextRequest): Promise<NextResponse> {
+  const collectionWebhooks = ['collections/create', 'collections/delete', 'collections/update'];
+  const productWebhooks = ['products/create', 'products/delete', 'products/update'];
+  const topic = headers().get('x-medusa-topic') || 'unknown';
+  const isCollectionUpdate = collectionWebhooks.includes(topic);
+  const isProductUpdate = productWebhooks.includes(topic);
+
+  if (!isCollectionUpdate && !isProductUpdate) {
+    // We don't need to revalidate anything for any other topics.
+    return NextResponse.json({ status: 200 });
+  }
+
+  if (isCollectionUpdate) {
+    revalidateTag(TAGS.collections);
+  }
+
+  if (isProductUpdate) {
+    revalidateTag(TAGS.products);
+  }
+
+  return NextResponse.json({ status: 200, revalidated: true, now: Date.now() });
+}