feat: migrate legacy long-lived database records

2026-07-27 01:12:00 +00:00
parent d8220a18b3
commit 89013272e1
39 changed files with 2495 additions and 124 deletions
@@ -0,0 +1,15 @@
+import { createHash } from 'node:crypto';
+
+const LEGACY_USER_NAMESPACE = 'sammo-ts:legacy-root-member:v1';
+
+export const legacyUserId = (memberNo: number): string => {
+    if (!Number.isSafeInteger(memberNo) || memberNo <= 0) {
+        throw new Error(`Legacy member number must be a positive safe integer: ${memberNo}`);
+    }
+
+    const bytes = createHash('sha256').update(`${LEGACY_USER_NAMESPACE}:${memberNo}`).digest().subarray(0, 16);
+    bytes[6] = (bytes[6]! & 0x0f) | 0x50;
+    bytes[8] = (bytes[8]! & 0x3f) | 0x80;
+    const hex = bytes.toString('hex');
+    return `${hex.slice(0, 8)}-${hex.slice(8, 12)}-${hex.slice(12, 16)}-${hex.slice(16, 20)}-${hex.slice(20)}`;
+};