as-app/scripts/dae/download-geodae.mjs

45 lines
1.3 KiB
JavaScript

#!/usr/bin/env node
// Download the GeoDAE JSON file from data.gouv.fr
// Source: https://www.data.gouv.fr/datasets/geodae-base-nationale-des-defibrillateurs
// Resource ID: 86ea48a0-dd94-4a23-b71c-80d3041d7db2
import { createWriteStream } from "node:fs";
import { dirname, join } from "node:path";
import { fileURLToPath } from "node:url";
import { pipeline } from "node:stream/promises";
const __dirname = dirname(fileURLToPath(import.meta.url));
const RESOURCE_ID = "86ea48a0-dd94-4a23-b71c-80d3041d7db2";
const DOWNLOAD_URL = `https://www.data.gouv.fr/api/1/datasets/r/${RESOURCE_ID}`;
const OUTPUT = join(__dirname, "geodae.json");
async function download() {
console.log(`Downloading GeoDAE data from data.gouv.fr ...`);
console.log(`URL: ${DOWNLOAD_URL}`);
const response = await fetch(DOWNLOAD_URL, { redirect: "follow" });
if (!response.ok) {
throw new Error(
`Download failed: ${response.status} ${response.statusText}`
);
}
const contentLength = response.headers.get("content-length");
if (contentLength) {
console.log(
`File size: ${(parseInt(contentLength, 10) / 1024 / 1024).toFixed(1)} MB`
);
}
await pipeline(response.body, createWriteStream(OUTPUT));
console.log(`Saved to ${OUTPUT}`);
}
download().catch((err) => {
console.error(err.message);
process.exit(1);
});