lets try storing as tmp file again

utils/odAuthTokenStore.ts

@@ -1,45 +1,29 @@
 // This should be only used on the server side, where the tokens are stored with KV store using
 // a file system based storage. The tokens are stored in the file system as JSON at /tmp path.
-import os from 'os'
 
 import Keyv from 'keyv'
-import { KeyvFile } from 'keyv-file'
 
-// console.log(`${os.tmpdir()}/od-auth-token.json`)
+export async function getOdAuthTokens(keyv: Keyv): Promise<{ accessToken: unknown; refreshToken: unknown }> {
+  const accessToken = await keyv.get('access_token')
+  const refreshToken = await keyv.get('refresh_token')
 
-export default class TokenStore {
-  kv: Keyv
-
-  constructor() {
-    this.kv = new Keyv()
-    // this.kv = new Keyv({
-    //   store: new KeyvFile({
-    //     filename: `${os.tmpdir()}/od-auth-token.json`,
-    //   }),
-    // })
-    console.log('TokenStore constructor')
-  }
-
-  async getOdAuthTokens(): Promise<{ accessToken: unknown; refreshToken: unknown }> {
-    const accessToken = await this.kv.get('access_token')
-    const refreshToken = await this.kv.get('refresh_token')
-
-    return {
-      accessToken,
-      refreshToken,
-    }
-  }
-
-  async storeOdAuthTokens({
+  return {
     accessToken,
-    accessTokenExpiry,
     refreshToken,
-  }: {
-    accessToken: string
-    accessTokenExpiry: number
-    refreshToken: string
-  }): Promise<void> {
-    await this.kv.set('access_token', accessToken, accessTokenExpiry)
-    await this.kv.set('refresh_token', refreshToken)
   }
 }
+
+export async function storeOdAuthTokens({
+  accessToken,
+  accessTokenExpiry,
+  refreshToken,
+  keyv,
+}: {
+  accessToken: string
+  accessTokenExpiry: number
+  refreshToken: string
+  keyv: Keyv
+}): Promise<void> {
+  await keyv.set('access_token', accessToken, accessTokenExpiry)
+  await keyv.set('refresh_token', refreshToken)
+}