From 3736f6854cae341af0e4d09fc11d31d9f423104b Mon Sep 17 00:00:00 2001
From: Thomas Rittson <31796059+eliykat@users.noreply.github.com>
Date: Tue, 29 Oct 2024 09:51:03 +1000
Subject: [PATCH] Add getUserId and getOptionalUserId rxjs functions (#11741)

---
 .../src/auth/services/account.service.ts       | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/libs/common/src/auth/services/account.service.ts b/libs/common/src/auth/services/account.service.ts
index dceec2cbf1..04a0c62dd9 100644
--- a/libs/common/src/auth/services/account.service.ts
+++ b/libs/common/src/auth/services/account.service.ts
@@ -45,6 +45,24 @@ const LOGGED_OUT_INFO: AccountInfo = {
   name: undefined,
 };
 
+/**
+ * An rxjs map operator that extracts the UserId from an account, or throws if the account or UserId are null.
+ */
+export const getUserId = map<{ id: UserId | undefined }, UserId>((account) => {
+  if (account?.id == null) {
+    throw new Error("Null account or account ID");
+  }
+
+  return account.id;
+});
+
+/**
+ * An rxjs map operator that extracts the UserId from an account, or returns undefined if the account or UserId are null.
+ */
+export const getOptionalUserId = map<{ id: UserId | undefined }, UserId | undefined>(
+  (account) => account?.id ?? undefined,
+);
+
 export class AccountServiceImplementation implements InternalAccountService {
   private accountsState: GlobalState<Record<UserId, AccountInfo>>;
   private activeAccountIdState: GlobalState<UserId | undefined>;