Initial food blog app

app/api/restaurants/[id]/route.ts

@@ -0,0 +1,53 @@
+import { NextResponse } from 'next/server'
+import { readRestaurants, writeRestaurants } from '@/app/lib/restaurants'
+import { Restaurant } from '@/app/types'
+
+export async function GET(
+  _request: Request,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  const { id } = await params
+  const restaurants = readRestaurants()
+  const restaurant = restaurants.find((r) => r.id === id)
+
+  if (!restaurant) {
+    return NextResponse.json({ error: 'Not found' }, { status: 404 })
+  }
+
+  return NextResponse.json(restaurant)
+}
+
+export async function PUT(
+  request: Request,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  const { id } = await params
+  const body = await request.json() as Partial<Restaurant>
+  const restaurants = readRestaurants()
+  const index = restaurants.findIndex((r) => r.id === id)
+
+  if (index === -1) {
+    return NextResponse.json({ error: 'Not found' }, { status: 404 })
+  }
+
+  restaurants[index] = { ...restaurants[index], ...body, id }
+  writeRestaurants(restaurants)
+
+  return NextResponse.json(restaurants[index])
+}
+
+export async function DELETE(
+  _request: Request,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  const { id } = await params
+  const restaurants = readRestaurants()
+  const filtered = restaurants.filter((r) => r.id !== id)
+
+  if (filtered.length === restaurants.length) {
+    return NextResponse.json({ error: 'Not found' }, { status: 404 })
+  }
+
+  writeRestaurants(filtered)
+  return NextResponse.json({ success: true })
+}