From 310b5490a5a96d088d7c889b02846e8ee2f92c96 Mon Sep 17 00:00:00 2001
From: zubiden <19638254+zubiden@users.noreply.github.com>
Date: Sun, 6 Jul 2025 13:52:03 +0200
Subject: [PATCH] Message: Handle failed translation (#6045)

---
 src/api/gramjs/methods/messages.ts         | 12 +++++++++++-
 src/api/types/updates.ts                   |  8 ++++++++
 src/global/actions/apiUpdaters/messages.ts |  8 ++++++++
 3 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/src/api/gramjs/methods/messages.ts b/src/api/gramjs/methods/messages.ts
index ebf32a272..dac234a3b 100644
--- a/src/api/gramjs/methods/messages.ts
+++ b/src/api/gramjs/methods/messages.ts
@@ -2167,7 +2167,17 @@ export async function translateText(params: TranslateTextParams) {
     }));
   }
 
-  if (!result) return undefined;
+  if (!result) {
+    if (isMessageTranslation) {
+      sendApiUpdate({
+        '@type': 'failedMessageTranslations',
+        chatId: params.chat.id,
+        messageIds: params.messageIds,
+        toLanguageCode: params.toLanguageCode,
+      });
+    }
+    return undefined;
+  }
 
   const formattedText = result.result.map((r) => buildApiFormattedText(r));
 
diff --git a/src/api/types/updates.ts b/src/api/types/updates.ts
index 540cdc91c..b2be53069 100644
--- a/src/api/types/updates.ts
+++ b/src/api/types/updates.ts
@@ -715,6 +715,13 @@ export type ApiUpdateMessageTranslations = {
   toLanguageCode: string;
 };
 
+export type ApiUpdateFailedMessageTranslations = {
+  '@type': 'failedMessageTranslations';
+  chatId: string;
+  messageIds: number[];
+  toLanguageCode: string;
+};
+
 export type ApiUpdateFetchingDifference = {
   '@type': 'updateFetchingDifference';
   isFetching: boolean;
@@ -850,6 +857,7 @@ export type ApiUpdate = (
   ApiUpdateRecentStickers | ApiUpdateSavedGifs | ApiUpdateNewScheduledMessage | ApiUpdateMoveStickerSetToTop |
   ApiUpdateScheduledMessageSendSucceeded | ApiUpdateScheduledMessage | ApiUpdateStarPaymentStateCompleted |
   ApiUpdateDeleteScheduledMessages | ApiUpdateResetMessages | ApiUpdateMessageTranslations |
+  ApiUpdateFailedMessageTranslations |
   ApiUpdateTwoFaError | ApiUpdateTwoFaStateWaitCode | ApiUpdateWebViewResultSent |
   ApiUpdateDefaultNotifySettings | ApiUpdatePeerNotifySettings | ApiUpdatePeerBlocked | ApiUpdatePrivacy |
   ApiUpdateServerTimeOffset | ApiUpdateMessageReactions | ApiUpdateSavedReactionTags |
diff --git a/src/global/actions/apiUpdaters/messages.ts b/src/global/actions/apiUpdaters/messages.ts
index 12ff7a368..68185594d 100644
--- a/src/global/actions/apiUpdaters/messages.ts
+++ b/src/global/actions/apiUpdaters/messages.ts
@@ -866,6 +866,14 @@ addActionHandler('apiUpdate', (global, actions, update): ActionReturnType => {
       setGlobal(global);
       break;
     }
+
+    case 'failedMessageTranslations': {
+      const { chatId, messageIds, toLanguageCode } = update;
+
+      global = updateMessageTranslations(global, chatId, messageIds, toLanguageCode, []);
+
+      setGlobal(global);
+    }
   }
 });