adiciona modelo real

data-pipeline/scripts/fetch-real-models.mjs

@@ -0,0 +1,32 @@
+import { createWriteStream, existsSync, mkdirSync, statSync } from "node:fs";
+import { pipeline } from "node:stream/promises";
+import { Readable } from "node:stream";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import { RAW_BASE, SOURCES } from "./sources.mjs";
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const RAW_DIR = path.resolve(__dirname, "../raw");
+mkdirSync(RAW_DIR, { recursive: true });
+
+async function download(fbx) {
+  const dest = path.join(RAW_DIR, fbx);
+  if (existsSync(dest) && statSync(dest).size > 0) {
+    console.log(`✓ já baixado: ${fbx}`);
+    return;
+  }
+  const url = RAW_BASE + fbx;
+  console.log(`↓ baixando ${fbx}...`);
+  const res = await fetch(url);
+  if (!res.ok || !res.body) {
+    throw new Error(`Falha ao baixar ${fbx}: HTTP ${res.status} (${url})`);
+  }
+  await pipeline(Readable.fromWeb(res.body), createWriteStream(dest));
+  console.log(`✓ ${fbx} baixado (${(statSync(dest).size / 1024 / 1024).toFixed(1)} MB)`);
+}
+
+for (const { fbx } of SOURCES) {
+  await download(fbx);
+}
+
+console.log("Todos os modelos-fonte baixados.");