From da1eaf2d1f568890676afd2099b80fdd531423b9 Mon Sep 17 00:00:00 2001
From: Aaron Liu <912394456@qq.com>
Date: Fri, 7 Apr 2023 19:06:46 +0800
Subject: [PATCH] fix(wopi): cannot set preferred language for LibreOffice
 online

---
 pkg/wopi/wopi.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkg/wopi/wopi.go b/pkg/wopi/wopi.go
index bf92985..1090f77 100644
--- a/pkg/wopi/wopi.go
+++ b/pkg/wopi/wopi.go
@@ -59,6 +59,7 @@ const (
 
 	wopiSrcPlaceholder    = "WOPI_SOURCE"
 	wopiSrcParamDefault   = "WOPISrc"
+	languageParamDefault  = "lang"
 	sessionExpiresPadding = 10
 	wopiHeaderPrefix      = "X-WOPI-"
 )
@@ -214,6 +215,9 @@ func generateActionUrl(src string, fileSrc string) (*url.URL, error) {
 		queryReplaced.Set(wopiSrcParamDefault, fileSrc)
 	}
 
+	// LibreOffice require this flag to show correct language
+	queryReplaced.Set(languageParamDefault, "lng")
+
 	actionUrl.RawQuery = queryReplaced.Encode()
 	return actionUrl, nil
 }