From 8f12e8a114546326ee5b39d6aae859da6d906d0b Mon Sep 17 00:00:00 2001
From: Gaurav <39389231+gsquared94@users.noreply.github.com>
Date: Fri, 11 Jul 2025 10:57:35 -0700
Subject: fix: clearcut logging (retry #3744) (#3751)

---
 packages/core/src/utils/user_account.ts | 115 ++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 packages/core/src/utils/user_account.ts

(limited to 'packages/core/src/utils/user_account.ts')

diff --git a/packages/core/src/utils/user_account.ts b/packages/core/src/utils/user_account.ts
new file mode 100644
index 00000000..6701dfe3
--- /dev/null
+++ b/packages/core/src/utils/user_account.ts
@@ -0,0 +1,115 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import path from 'node:path';
+import { promises as fsp, existsSync, readFileSync } from 'node:fs';
+import * as os from 'os';
+import { GEMINI_DIR, GOOGLE_ACCOUNTS_FILENAME } from './paths.js';
+
+interface UserAccounts {
+  active: string | null;
+  old: string[];
+}
+
+function getGoogleAccountsCachePath(): string {
+  return path.join(os.homedir(), GEMINI_DIR, GOOGLE_ACCOUNTS_FILENAME);
+}
+
+async function readAccounts(filePath: string): Promise<UserAccounts> {
+  try {
+    const content = await fsp.readFile(filePath, 'utf-8');
+    if (!content.trim()) {
+      return { active: null, old: [] };
+    }
+    return JSON.parse(content) as UserAccounts;
+  } catch (error) {
+    if (error instanceof Error && 'code' in error && error.code === 'ENOENT') {
+      // File doesn't exist, which is fine.
+      return { active: null, old: [] };
+    }
+    // File is corrupted or not valid JSON, start with a fresh object.
+    console.debug('Could not parse accounts file, starting fresh.', error);
+    return { active: null, old: [] };
+  }
+}
+
+export async function cacheGoogleAccount(email: string): Promise<void> {
+  const filePath = getGoogleAccountsCachePath();
+  await fsp.mkdir(path.dirname(filePath), { recursive: true });
+
+  const accounts = await readAccounts(filePath);
+
+  if (accounts.active && accounts.active !== email) {
+    if (!accounts.old.includes(accounts.active)) {
+      accounts.old.push(accounts.active);
+    }
+  }
+
+  // If the new email was in the old list, remove it
+  accounts.old = accounts.old.filter((oldEmail) => oldEmail !== email);
+
+  accounts.active = email;
+  await fsp.writeFile(filePath, JSON.stringify(accounts, null, 2), 'utf-8');
+}
+
+export function getCachedGoogleAccount(): string | null {
+  try {
+    const filePath = getGoogleAccountsCachePath();
+    if (existsSync(filePath)) {
+      const content = readFileSync(filePath, 'utf-8').trim();
+      if (!content) {
+        return null;
+      }
+      const accounts: UserAccounts = JSON.parse(content);
+      return accounts.active;
+    }
+    return null;
+  } catch (error) {
+    console.debug('Error reading cached Google Account:', error);
+    return null;
+  }
+}
+
+export function getLifetimeGoogleAccounts(): number {
+  try {
+    const filePath = getGoogleAccountsCachePath();
+    if (!existsSync(filePath)) {
+      return 0;
+    }
+
+    const content = readFileSync(filePath, 'utf-8').trim();
+    if (!content) {
+      return 0;
+    }
+    const accounts: UserAccounts = JSON.parse(content);
+    let count = accounts.old.length;
+    if (accounts.active) {
+      count++;
+    }
+    return count;
+  } catch (error) {
+    console.debug('Error reading lifetime Google Accounts:', error);
+    return 0;
+  }
+}
+
+export async function clearCachedGoogleAccount(): Promise<void> {
+  const filePath = getGoogleAccountsCachePath();
+  if (!existsSync(filePath)) {
+    return;
+  }
+
+  const accounts = await readAccounts(filePath);
+
+  if (accounts.active) {
+    if (!accounts.old.includes(accounts.active)) {
+      accounts.old.push(accounts.active);
+    }
+    accounts.active = null;
+  }
+
+  await fsp.writeFile(filePath, JSON.stringify(accounts, null, 2), 'utf-8');
+}
-- 
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