Sales history

curl --fail-with-body -sS https://api.alura.io/v1/research/products/4524717183/history \
  -H "Authorization: Bearer $ALURA_API_KEY"

interface History {
  history_through: string;
  methodology_version: string;
  data: { month: string; est_sales: number | null; est_revenue_usd: number | null; reviews: number | null }[];
}

const res = await fetch('https://api.alura.io/v1/research/products/4524717183/history', {
  headers: { Authorization: `Bearer ${process.env.ALURA_API_KEY}` },
});
if (!res.ok) throw new Error(`${res.status}: ${await res.text()}`);
const history = (await res.json()) as History;

console.log(`through ${history.history_through}, methodology ${history.methodology_version}`);
for (const m of history.data) {
  // A month Alura has no data for is null, never 0.
  console.log(m.est_sales === null ? `${m.month}: unknown` : `${m.month}: ${m.est_sales} sales, ${m.est_revenue_usd ?? 'unknown'} USD`);
}

import json
import os
import urllib.request

request = urllib.request.Request(
    "https://api.alura.io/v1/research/products/4524717183/history",
    headers={"Authorization": f"Bearer {os.environ['ALURA_API_KEY']}"},
)
with urllib.request.urlopen(request) as response:
    history = json.load(response)

print(f"through {history['history_through']}, methodology {history['methodology_version']}")
for m in history["data"]:
    # A month Alura has no data for is null, never 0.
    if m["est_sales"] is None:
        print(f"{m['month']}: unknown")
    else:
        revenue = "unknown" if m["est_revenue_usd"] is None else m["est_revenue_usd"]
        print(f"{m['month']}: {m['est_sales']} sales, {revenue} USD")