From ded55b745839e2d89ac52099f9d727000308785d Mon Sep 17 00:00:00 2001
From: Yousef Mansy <yousefmansy1@gmail.com>
Date: Wed, 15 Feb 2023 01:21:31 -0800
Subject: [PATCH] whatsappmulti prefer mp4 extension for video attachments

resolves #1967
---
 bridge/whatsappmulti/handlers.go | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/bridge/whatsappmulti/handlers.go b/bridge/whatsappmulti/handlers.go
index 34dce471..729d1c99 100644
--- a/bridge/whatsappmulti/handlers.go
+++ b/bridge/whatsappmulti/handlers.go
@@ -207,7 +207,16 @@ func (b *Bwhatsapp) handleVideoMessage(msg *events.Message) {
 		fileExt = append(fileExt, ".mp4")
 	}
 
-	filename := fmt.Sprintf("%v%v", msg.Info.ID, fileExt[0])
+	// Prefer .mp4 extension, otherwise fallback to first index
+	fileExtIndex := 0
+	for i, n := range fileExt {
+		if ".mp4" == n {
+			fileExtIndex = i
+			break
+		}
+	}
+
+	filename := fmt.Sprintf("%v%v", msg.Info.ID, fileExt[fileExtIndex])
 
 	b.Log.Debugf("Trying to download %s with size %#v and type %s", filename, imsg.GetFileLength(), imsg.GetMimetype())