feat(MED-101): add audit log to cart item delete

lib/services/medusaCart.service.ts

@@ -4,6 +4,7 @@ import { z } from 'zod';
 import { loadCurrentUserAccount } from '@/app/home/(user)/_lib/server/load-user-account';
 import { getSupabaseServerClient } from '@kit/supabase/server-client';
 import { addToCart, deleteLineItem, retrieveCart } from '@lib/data/cart';
+import { getCartId } from '@lib/data/cookies';
 import { StoreCartLineItem, StoreProductVariant } from '@medusajs/types';
 import { MontonioOrderHandlerService } from '@/packages/billing/montonio/src';
 import { requireUserInServerComponent } from '../server/require-user-in-server-component';
@@ -64,6 +65,36 @@ export async function handleAddToCart({
   return cart;
 }
 
+export async function handleDeleteCartItem({
+  lineId,
+}: {
+  lineId: string;
+}) {
+  await deleteLineItem(lineId);
+
+  const supabase = getSupabaseServerClient();
+  const cartId = await getCartId();
+  const user = await requireUserInServerComponent();
+  const account = await loadCurrentUserAccount()
+  if (!account) {
+    throw new Error('Account not found');
+  }
+
+  const { error } = await supabase
+    .schema('audit')
+    .from('cart_entries')
+    .insert({
+      variant_id: lineId,
+      operation: 'REMOVE_FROM_CART',
+      account_id: account.id,
+      cart_id: cartId!,
+      changed_by: user.id,
+    });
+  if (error) {
+    throw new Error('Error logging cart entry: ' + error.message);
+  }
+}
+
 export async function handleNavigateToPayment({ language, paymentSessionId }: { language: string, paymentSessionId: string }) {
   const supabase = getSupabaseServerClient();
   const user = await requireUserInServerComponent();