From e075698891d653330b5d5d0f80c2c3495aee6262 Mon Sep 17 00:00:00 2001
From: Martin Kagamino Lehoux <martin@lehoux.net>
Date: Mon, 27 Jul 2026 19:53:11 +0200
Subject: feat: product references + grocery detail page
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- references table (brand, price, unit, quality_score) with FK to groceries
- /grocery/[id] page for managing references per item
- Unit dropdown (€/kg, €/L, €/u) defaulting to €/kg
- → link on all items navigates to detail page
- Delete item moved from catalog to detail page
---
 src/routes/grocery/[id]/+page.server.ts | 71 +++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 src/routes/grocery/[id]/+page.server.ts

(limited to 'src/routes/grocery/[id]/+page.server.ts')

diff --git a/src/routes/grocery/[id]/+page.server.ts b/src/routes/grocery/[id]/+page.server.ts
new file mode 100644
index 0000000..88aa137
--- /dev/null
+++ b/src/routes/grocery/[id]/+page.server.ts
@@ -0,0 +1,71 @@
+import { error, fail, redirect } from '@sveltejs/kit';
+import { db } from '$lib/server/db';
+import { groceries, categories, references } from '$lib/server/db/schema';
+import { eq } from 'drizzle-orm';
+import type { Actions, PageServerLoad } from './$types';
+
+export const load: PageServerLoad = async ({ params }) => {
+	const id = Number(params.id);
+
+	const [item] = await db.select().from(groceries).where(eq(groceries.id, id));
+	if (!item) throw error(404, 'Item not found');
+
+	const [cat] = item.categoryId
+		? await db
+				.select()
+				.from(categories)
+				.where(eq(categories.id, item.categoryId))
+		: [null];
+
+	const refs = await db
+		.select()
+		.from(references)
+		.where(eq(references.groceryId, id));
+
+	return {
+		item: {
+			...item,
+			categoryName: cat?.name ?? null,
+		},
+		references: refs,
+	};
+};
+
+export const actions: Actions = {
+	add: async ({ request, params }) => {
+		const data = await request.formData();
+		const brand = data.get('brand')?.toString().trim();
+		const price = data.get('price')?.toString().trim();
+		const unit = data.get('unit')?.toString().trim();
+		const qualityScore = data.get('quality_score')?.toString().trim();
+
+		if (!brand) {
+			return fail(400, { error: 'Brand is required' });
+		}
+
+		await db.insert(references).values({
+			groceryId: Number(params.id),
+			brand,
+			price: price ? Number(price) : null,
+			unit: unit || null,
+			qualityScore: qualityScore ? Number(qualityScore) : null,
+		});
+
+		return { success: true };
+	},
+
+	delete: async ({ request }) => {
+		const data = await request.formData();
+		const id = Number(data.get('id'));
+
+		await db.delete(references).where(eq(references.id, id));
+
+		return { success: true };
+	},
+
+	deleteItem: async ({ params }) => {
+		await db.delete(groceries).where(eq(groceries.id, Number(params.id)));
+
+		throw redirect(303, '/');
+	},
+};
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