Batch enrichment

# title: Batch enrichment
# category: Vibescript Showcase
# difficulty: Showcase
# summary: Add fields to many records at the same time with Tasks.map.
# description: Each task gets a copy of one record. Results stay in input order.
# tags: concurrency, tasks, structured-concurrency, enrichment
# vibe: 0.4

def enrich_order(order)
  subtotal = order[:price] * order[:quantity]
  {
    id: order[:id],
    subtotal: subtotal,
    priority: subtotal > 100
  }
end

def run
  orders = [
    { id: "o1", price: 25, quantity: 2 },
    { id: "o2", price: 60, quantity: 3 },
    { id: "o3", price: 12, quantity: 1 }
  ]

  {
    orders: Tasks.map(orders, max: 4, with: :enrich_order)
  }
end