From e41ee760b9b8c21f4355f833661f2baa14b6c72a Mon Sep 17 00:00:00 2001
From: Nils-Johan Gynther <nils-johan.gynther@neoleaf.se>
Date: Fri, 17 Apr 2026 21:22:54 +0200
Subject: [PATCH] feat(products): add reset functionality to delete all
 products and related data

---
 backend/src/products/products.controller.ts   |  7 +++
 backend/src/products/products.service.ts      | 16 ++++++
 .../admin/products/ResetProductsButton.tsx    | 52 +++++++++++++++++++
 frontend/app/admin/products/actions.ts        | 15 ++++++
 frontend/app/admin/products/page.tsx          |  3 ++
 5 files changed, 93 insertions(+)
 create mode 100644 frontend/app/admin/products/ResetProductsButton.tsx

diff --git a/backend/src/products/products.controller.ts b/backend/src/products/products.controller.ts
index 0bb25f21..910856ff 100644
--- a/backend/src/products/products.controller.ts
+++ b/backend/src/products/products.controller.ts
@@ -3,6 +3,7 @@ import {
   Controller,
   Delete,
   Get,
+  HttpCode,
   Param,
   ParseIntPipe,
   Patch,
@@ -109,4 +110,10 @@ export class ProductsController {
   restore(@Param('id', ParseIntPipe) id: number) {
     return this.productsService.restore(id);
   }
+
+  @Delete('reset-all')
+  @HttpCode(200)
+  resetAll() {
+    return this.productsService.resetAll();
+  }
 }
\ No newline at end of file
diff --git a/backend/src/products/products.service.ts b/backend/src/products/products.service.ts
index dc463561..e6e26bae 100644
--- a/backend/src/products/products.service.ts
+++ b/backend/src/products/products.service.ts
@@ -381,4 +381,20 @@ export class ProductsService {
   async findAllTags() {
     return this.prisma.tag.findMany({ orderBy: { name: 'asc' } });
   }
+
+  async resetAll() {
+    await this.prisma.$transaction([
+      this.prisma.receiptAlias.deleteMany(),
+      this.prisma.inventoryConsumption.deleteMany(),
+      this.prisma.inventoryItem.deleteMany(),
+      this.prisma.pantryItem.deleteMany(),
+      this.prisma.nutrition.deleteMany(),
+      this.prisma.productTag.deleteMany(),
+      this.prisma.tag.deleteMany(),
+      this.prisma.userProduct.deleteMany(),
+      this.prisma.recipeIngredient.deleteMany(),
+      this.prisma.product.deleteMany(),
+    ]);
+    return { ok: true };
+  }
 }
\ No newline at end of file
diff --git a/frontend/app/admin/products/ResetProductsButton.tsx b/frontend/app/admin/products/ResetProductsButton.tsx
new file mode 100644
index 00000000..245c39e9
--- /dev/null
+++ b/frontend/app/admin/products/ResetProductsButton.tsx
@@ -0,0 +1,52 @@
+'use client';
+
+import { useState, useTransition } from 'react';
+import { resetAllProducts } from './actions';
+
+export default function ResetProductsButton() {
+  const [isPending, startTransition] = useTransition();
+  const [error, setError] = useState<string | null>(null);
+
+  function handleClick() {
+    if (
+      !confirm(
+        '⚠️ Detta raderar ALLA produkter, inventory, taggar, kvitto-alias och pantry.\n\nKategorier och användare behålls.\n\nÄr du säker?',
+      )
+    )
+      return;
+
+    setError(null);
+    startTransition(async () => {
+      try {
+        await resetAllProducts();
+      } catch (err) {
+        setError(err instanceof Error ? err.message : 'Okänt fel');
+      }
+    });
+  }
+
+  return (
+    <div style={{ marginBottom: '1.5rem' }}>
+      <button
+        type="button"
+        onClick={handleClick}
+        disabled={isPending}
+        style={{
+          padding: '0.6rem 1.25rem',
+          background: isPending ? '#ccc' : '#fff',
+          color: '#c00',
+          border: '1px solid #c00',
+          borderRadius: '4px',
+          cursor: isPending ? 'not-allowed' : 'pointer',
+          fontWeight: 600,
+          fontSize: '0.9rem',
+        }}
+      >
+        {isPending ? 'Återställer...' : '🗑 Återställ alla produkter'}
+      </button>
+      {error && (
+        <p style={{ color: 'crimson', marginTop: '0.5rem', fontSize: '0.9rem' }}>{error}</p>
+      )}
+    </div>
+  );
+}
diff --git a/frontend/app/admin/products/actions.ts b/frontend/app/admin/products/actions.ts
index 78c28d78..13f14609 100644
--- a/frontend/app/admin/products/actions.ts
+++ b/frontend/app/admin/products/actions.ts
@@ -73,3 +73,18 @@ export async function deleteProduct(id: number) {
 
   revalidatePath('/admin/products');
 }
+
+export async function resetAllProducts() {
+  const res = await fetch(`${API_BASE}/api/products/reset-all`, {
+    method: 'DELETE',
+    headers: { ...(await getAuthHeaders()) },
+    cache: 'no-store',
+  });
+
+  if (!res.ok) {
+    const text = await res.text();
+    throw new Error(`Kunde inte återställa produkter: ${text}`);
+  }
+
+  revalidatePath('/admin/products');
+}
diff --git a/frontend/app/admin/products/page.tsx b/frontend/app/admin/products/page.tsx
index 2181dede..f0ea4ddc 100644
--- a/frontend/app/admin/products/page.tsx
+++ b/frontend/app/admin/products/page.tsx
@@ -4,6 +4,7 @@ import MergePreviewForm from './MergePreviewForm';
 import AdminProductList from './AdminProductList';
 import Navigation from '../../Navigation';
 import ExpandableCreateProductSection from './ExpandableCreateProductSection';
+import ResetProductsButton from './ResetProductsButton';
 
 export default async function AdminProductsPage() {
   const products = await fetchJson<Product[]>('/api/products');
@@ -16,6 +17,8 @@ export default async function AdminProductsPage() {
 
       <ExpandableCreateProductSection />
 
+      <ResetProductsButton />
+
       <MergePreviewForm products={products} />
 
       <AdminProductList products={products} />