From 70f1813e33807639867fa3204a9028f514390442 Mon Sep 17 00:00:00 2001
From: Marc Mintel <marc@mintel.me>
Date: Tue, 27 Jan 2026 09:23:15 +0100
Subject: [PATCH] fix 404

---
 app/[locale]/products/[...slug]/page.tsx | 24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/app/[locale]/products/[...slug]/page.tsx b/app/[locale]/products/[...slug]/page.tsx
index 9d4e0fb0..e843f373 100644
--- a/app/[locale]/products/[...slug]/page.tsx
+++ b/app/[locale]/products/[...slug]/page.tsx
@@ -8,7 +8,7 @@ import RelatedProducts from '@/components/RelatedProducts';
 import { Badge, Container, Section } from '@/components/ui';
 import { getDatasheetPath } from '@/lib/datasheets';
 import { getAllProducts, getProductBySlug } from '@/lib/mdx';
-import { mapFileSlugToTranslated } from '@/lib/slugs';
+import { mapFileSlugToTranslated, mapSlugToFileSlug } from '@/lib/slugs';
 import { Metadata } from 'next';
 import { getTranslations } from 'next-intl/server';
 import { MDXRemote } from 'next-mdx-remote/rsc';
@@ -30,9 +30,10 @@ export async function generateMetadata({ params }: ProductPageProps): Promise<Me
 
   // Check if it's a category page
   const categories = ['low-voltage-cables', 'medium-voltage-cables', 'high-voltage-cables', 'solar-cables'];
-  if (categories.includes(productSlug)) {
-    const categoryKey = productSlug.replace(/-cables$/, '').replace(/-([a-z])/g, (g) => g[1].toUpperCase());
-    const categoryTitle = t.has(`categories.${categoryKey}.title`) ? t(`categories.${categoryKey}.title`) : productSlug;
+  const fileSlug = await mapSlugToFileSlug(productSlug, locale);
+  if (categories.includes(fileSlug)) {
+    const categoryKey = fileSlug.replace(/-cables$/, '').replace(/-([a-z])/g, (g) => g[1].toUpperCase());
+    const categoryTitle = t.has(`categories.${categoryKey}.title`) ? t(`categories.${categoryKey}.title`) : fileSlug;
     const categoryDesc = t.has(`categories.${categoryKey}.description`) ? t(`categories.${categoryKey}.description`) : '';
 
     return {
@@ -130,15 +131,17 @@ export default async function ProductPage({ params }: ProductPageProps) {
 
   // Check if it's a category page
   const categories = ['low-voltage-cables', 'medium-voltage-cables', 'high-voltage-cables', 'solar-cables'];
-  if (categories.includes(productSlug)) {
+  const fileSlug = await mapSlugToFileSlug(productSlug, locale);
+  
+  if (categories.includes(fileSlug)) {
     const allProducts = await getAllProducts(locale);
-    const categoryKey = productSlug.replace(/-cables$/, '').replace(/-([a-z])/g, (g) => g[1].toUpperCase());
-    const categoryTitle = t.has(`categories.${categoryKey}.title`) ? t(`categories.${categoryKey}.title`) : productSlug;
+    const categoryKey = fileSlug.replace(/-cables$/, '').replace(/-([a-z])/g, (g) => g[1].toUpperCase());
+    const categoryTitle = t.has(`categories.${categoryKey}.title`) ? t(`categories.${categoryKey}.title`) : fileSlug;
     
     // Filter products for this category
     const filteredProducts = allProducts.filter(p =>
       p.frontmatter.categories.some(cat =>
-        cat.toLowerCase().replace(/\s+/g, '-') === productSlug ||
+        cat.toLowerCase().replace(/\s+/g, '-') === fileSlug ||
         cat === categoryTitle
       )
     );
@@ -245,8 +248,9 @@ export default async function ProductPage({ params }: ProductPageProps) {
   const datasheetPath = getDatasheetPath(productSlug, locale);
   const isFallback = (product.frontmatter as any).isFallback;
   const categorySlug = slug[0];
-  const categoryKey = categorySlug.replace(/-cables$/, '').replace(/-([a-z])/g, (g) => g[1].toUpperCase());
-  const categoryTitle = t.has(`categories.${categoryKey}.title`) ? t(`categories.${categoryKey}.title`) : categorySlug;
+  const categoryFileSlug = await mapSlugToFileSlug(categorySlug, locale);
+  const categoryKey = categoryFileSlug.replace(/-cables$/, '').replace(/-([a-z])/g, (g) => g[1].toUpperCase());
+  const categoryTitle = t.has(`categories.${categoryKey}.title`) ? t(`categories.${categoryKey}.title`) : categoryFileSlug;
 
   const sidebar = (
     <ProductSidebar