Fix duplicate session billing and align pricing with DeepSeek ×3.

Serialize billSessionUsage with row locks, expose rates on recharge, add compensation script and admin usage views. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-16 03:10:05 -07:00
parent befeedfd37
commit 03690ee354
14 changed files with 472 additions and 52 deletions
@@ -0,0 +1,153 @@
+#!/usr/bin/env node
+/**
+ * One-off billing compensation for duplicate charges / rate overcharge.
+ *
+ * Usage:
+ *   node scripts/compensate-user-billing.mjs wx_mk4zzaps
+ *   node scripts/compensate-user-billing.mjs wx_mk4zzaps --apply
+ *   node scripts/compensate-user-billing.mjs wx_mk4zzaps --apply --include-rate-adjustment
+ */
+import crypto from 'node:crypto';
+import fs from 'node:fs';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+import mysql from 'mysql2/promise';
+
+const root = path.join(path.dirname(fileURLToPath(import.meta.url)), '..');
+
+function loadEnvFile(filePath) {
+  if (!fs.existsSync(filePath)) return;
+  for (const line of fs.readFileSync(filePath, 'utf8').split('\n')) {
+    const trimmed = line.trim();
+    if (!trimmed || trimmed.startsWith('#')) continue;
+    const eq = trimmed.indexOf('=');
+    if (eq < 0) continue;
+    const key = trimmed.slice(0, eq).trim();
+    const value = trimmed.slice(eq + 1).trim();
+    if (!process.env[key]) process.env[key] = value;
+  }
+}
+
+loadEnvFile(path.join(root, '.env'));
+
+const username = process.argv[2];
+const apply = process.argv.includes('--apply');
+const includeRateAdjustment = process.argv.includes('--include-rate-adjustment');
+
+if (!username) {
+  console.error('Usage: node scripts/compensate-user-billing.mjs <username> [--apply] [--include-rate-adjustment]');
+  process.exit(1);
+}
+
+if (!process.env.DATABASE_URL) {
+  console.error('DATABASE_URL is not configured');
+  process.exit(1);
+}
+
+/** wx_mk4zzaps duplicate Finish billing (2026-06-16 session 20260616_600). */
+const DUPLICATE_COST_CENTS = 1735;
+const DUPLICATE_TOKENS = 838567;
+/** Unique bills at 2/6 分/1k vs documented DeepSeek ×3 default (0.302/0.605 分/1k). */
+const RATE_OVERCHARGE_CENTS = 1467;
+
+async function main() {
+  const pool = mysql.createPool(process.env.DATABASE_URL);
+  try {
+    const [users] = await pool.query(
+      `SELECT u.id, u.username, u.display_name, u.status,
+              COALESCE(w.balance_cents, 0) AS balance_cents,
+              COALESCE(w.tokens_used, 0) AS tokens_used
+       FROM h5_users u
+       LEFT JOIN h5_user_wallets w ON w.user_id = u.id
+       WHERE u.username = ?
+       LIMIT 1`,
+      [username],
+    );
+    const user = users[0];
+    if (!user) {
+      console.error(`User not found: ${username}`);
+      process.exit(1);
+    }
+
+    const amountCents = DUPLICATE_COST_CENTS + (includeRateAdjustment ? RATE_OVERCHARGE_CENTS : 0);
+    const tokenAdjust = -DUPLICATE_TOKENS;
+    const note = includeRateAdjustment
+      ? `补偿：重复扣费 ¥${(DUPLICATE_COST_CENTS / 100).toFixed(2)} + 费率差额 ¥${(RATE_OVERCHARGE_CENTS / 100).toFixed(2)}`
+      : `补偿：重复扣费 ¥${(DUPLICATE_COST_CENTS / 100).toFixed(2)}（session 20260616_600）`;
+
+    console.log('User:', user.username, user.display_name ?? '', `(${user.id})`);
+    console.log('Current status:', user.status);
+    console.log('Current balance:', `¥${(Number(user.balance_cents) / 100).toFixed(2)}`);
+    console.log('Current tokens_used:', Number(user.tokens_used).toLocaleString());
+    console.log('');
+    console.log('Compensation plan:');
+    console.log('  balance +', `¥${(amountCents / 100).toFixed(2)}`, `(${amountCents} cents)`);
+    if (tokenAdjust !== 0) {
+      console.log('  tokens_used', tokenAdjust.toLocaleString(), '(remove duplicate token count)');
+    }
+    console.log('  note:', note);
+    console.log('  reactivate account if suspended:', user.status === 'suspended' ? 'yes' : 'no');
+
+    if (!apply) {
+      console.log('');
+      console.log('Dry run only. Re-run with --apply to execute.');
+      return;
+    }
+
+    const now = Date.now();
+    const conn = await pool.getConnection();
+    try {
+      await conn.beginTransaction();
+      await conn.query(
+        `INSERT INTO h5_user_wallets (user_id, balance_cents, tokens_used, updated_at)
+         VALUES (?, ?, 0, ?)
+         ON DUPLICATE KEY UPDATE
+           balance_cents = balance_cents + VALUES(balance_cents),
+           tokens_used = GREATEST(CAST(tokens_used AS SIGNED) + ?, 0),
+           updated_at = VALUES(updated_at)`,
+        [user.id, amountCents, now, tokenAdjust],
+      );
+      await conn.query(
+        `INSERT INTO h5_billing_ledger
+         (user_id, type, amount_cents, tokens, note, operator_id, created_at)
+         VALUES (?, 'adjust', ?, ?, ?, NULL, ?)`,
+        [user.id, amountCents, tokenAdjust, note, now],
+      );
+      if (user.status === 'suspended') {
+        await conn.query(`UPDATE h5_users SET status = 'active', updated_at = ? WHERE id = ?`, [
+          now,
+          user.id,
+        ]);
+      }
+      await conn.commit();
+    } catch (err) {
+      await conn.rollback();
+      throw err;
+    } finally {
+      conn.release();
+    }
+
+    const [updatedRows] = await pool.query(
+      `SELECT u.status, COALESCE(w.balance_cents, 0) AS balance_cents,
+              COALESCE(w.tokens_used, 0) AS tokens_used
+       FROM h5_users u
+       LEFT JOIN h5_user_wallets w ON w.user_id = u.id
+       WHERE u.id = ?
+       LIMIT 1`,
+      [user.id],
+    );
+    const updated = updatedRows[0];
+    console.log('');
+    console.log('Applied.');
+    console.log('New status:', updated.status);
+    console.log('New balance:', `¥${(Number(updated.balance_cents) / 100).toFixed(2)}`);
+    console.log('New tokens_used:', Number(updated.tokens_used).toLocaleString());
+  } finally {
+    await pool.end();
+  }
+}
+
+main().catch((err) => {
+  console.error(err);
+  process.exit(1);
+});