feat: bootstrap commercial AI drama platform

2026-08-24 10:24:34 +08:00
commit ffb27d845b
100 changed files with 35314 additions and 0 deletions
@@ -0,0 +1,63 @@
+import { mkdir, readdir, stat, unlink } from "node:fs/promises";
+import { randomBytes } from "node:crypto";
+import { resolve } from "node:path";
+import { db, dbPath } from "./db.mjs";
+
+const projectRoot = resolve(import.meta.dirname, "..");
+const backupRoot = resolve(projectRoot, "data", "backups");
+const relativeBackupRoot = "data/backups";
+
+function backupEntry(name, fileStat) {
+  return {
+    name,
+    relativePath: `${relativeBackupRoot}/${name}`,
+    bytes: Number(fileStat.size || 0),
+    createdAt: fileStat.birthtime?.toISOString?.() || fileStat.mtime?.toISOString?.() || null,
+    modifiedAt: fileStat.mtime?.toISOString?.() || null
+  };
+}
+
+export async function listDatabaseBackups() {
+  let names = [];
+  try {
+    names = await readdir(backupRoot);
+  } catch (error) {
+    if (error.code !== "ENOENT") throw error;
+  }
+  const entries = await Promise.all(names.filter((name) => /^platform-[A-Z0-9-]+\.sqlite$/i.test(name)).map(async (name) => {
+    try {
+      return backupEntry(name, await stat(resolve(backupRoot, name)));
+    } catch (error) {
+      if (error.code === "ENOENT") return null;
+      throw error;
+    }
+  }));
+  return entries.filter(Boolean).sort((left, right) => String(right.modifiedAt || "").localeCompare(String(left.modifiedAt || "")));
+}
+
+export async function backupSummary() {
+  const backups = await listDatabaseBackups();
+  return {
+    root: relativeBackupRoot,
+    source: dbPath,
+    count: backups.length,
+    latest: backups[0] || null,
+    backups
+  };
+}
+
+export async function createDatabaseBackup() {
+  await mkdir(backupRoot, { recursive: true });
+  const stamp = new Date().toISOString().replace(/[^0-9TZ]/g, "-");
+  const name = `platform-${stamp}-${randomBytes(4).toString("hex")}.sqlite`;
+  const target = resolve(backupRoot, name);
+  const escapedTarget = target.replaceAll("'", "''");
+  try {
+    db.exec(`VACUUM INTO '${escapedTarget}'`);
+    const entry = backupEntry(name, await stat(target));
+    return { backup: entry, ...(await backupSummary()) };
+  } catch (error) {
+    await unlink(target).catch(() => {});
+    throw error;
+  }
+}