From 28d3ed7d9fad2302bf357f099c8b8951631dee8c Mon Sep 17 00:00:00 2001
From: Zed <zedeus@pm.me>
Date: Wed, 5 Feb 2025 00:32:55 +0100
Subject: [PATCH] Raise NoAccountsError when all accounts limited

---
 src/auth.nim   | 5 ++++-
 src/nitter.nim | 5 +++++
 src/types.nim  | 1 +
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/auth.nim b/src/auth.nim
index a15766b..20e136f 100644
--- a/src/auth.nim
+++ b/src/auth.nim
@@ -125,6 +125,9 @@ proc getAccountPoolDebug*(): JsonNode =
 proc rateLimitError*(): ref RateLimitError =
   newException(RateLimitError, "rate limited")
 
+proc noAccountsError*(): ref NoAccountsError =
+  newException(NoAccountsError, "no accounts available")
+
 proc isLimited(account: GuestAccount; api: Api): bool =
   if account.isNil:
     return true
@@ -165,7 +168,7 @@ proc getGuestAccount*(api: Api): Future[GuestAccount] {.async.} =
     inc result.pending
   else:
     log "no accounts available for API: ", api
-    raise rateLimitError()
+    raise noAccountsError()
 
 proc setLimited*(account: GuestAccount; api: Api) =
   account.apis[api].limited = true
diff --git a/src/nitter.nim b/src/nitter.nim
index dfc1dfd..958dc0b 100644
--- a/src/nitter.nim
+++ b/src/nitter.nim
@@ -97,6 +97,11 @@ routes:
     resp Http429, showError(
       &"Instance has been rate limited.<br>Use {link} or try again later.", cfg)
 
+  error NoAccountsError:
+    const link = a("another instance", href = instancesUrl)
+    resp Http429, showError(
+      &"Instance has no available accounts.<br>Use {link} or try again later.", cfg)
+
   extend rss, ""
   extend status, ""
   extend search, ""
diff --git a/src/types.nim b/src/types.nim
index 1b9189b..d1981d7 100644
--- a/src/types.nim
+++ b/src/types.nim
@@ -6,6 +6,7 @@ genPrefsType()
 
 type
   RateLimitError* = object of CatchableError
+  NoAccountsError* = object of CatchableError
   InternalError* = object of CatchableError
   BadClientError* = object of CatchableError