Update videos to work again

main.go

@@ -41,6 +41,8 @@ type handler struct {
 	tg            *tgbotapi.BotAPI
 	bsky          *bsky.BSky
 	channelAdmins map[int64]bool
+	openFiles     []*os.File
+	tempFiles     []string
 }
 
 var (
@@ -211,38 +213,55 @@ func (h *handler) handleVideo(media bsky.ParsedEmbeds) (tgbotapi.InputMedia, err
 	if err != nil {
 		return nil, fmt.Errorf("failed to create video file: %w", err)
 	}
-	defer func() {
-		f.Close()
-		os.Remove(filename)
-	}()
 
 	if _, err := io.Copy(f, resp.Body); err != nil {
+		f.Close()
+		os.Remove(filename)
 		return nil, fmt.Errorf("failed to write video: %w", err)
 	}
 	if _, err := f.Seek(0, 0); err != nil {
+		f.Close()
+		os.Remove(filename)
 		return nil, fmt.Errorf("failed to seek video: %w", err)
 	}
 
-	mediaAdd := tgbotapi.NewInputMediaVideo(tgbotapi.FileReader{Name: "video.mp4", Reader: f})
-
 	metadata, err := getVideoMetadata(f.Name())
 	if err != nil {
+		f.Close()
+		os.Remove(filename)
 		return nil, fmt.Errorf("failed to read video metadata: %w", err)
 	}
 
-	mediaAdd.SupportsStreaming = true
-	mediaAdd.Height = metadata.Height()
-	mediaAdd.Width = metadata.Width()
-	mediaAdd.Duration = int(metadata.Duration())
-
 	frames, _ := metadata.ReadFrames(0)
 	var buf bytes.Buffer
 	jpeg.Encode(&buf, frames[0], &jpeg.Options{Quality: 90})
+
+	// Keep file open for SendMediaGroup to read, cleanup happens in ProcessPost after sending
+	mediaAdd := tgbotapi.NewInputMediaVideo(tgbotapi.FileReader{Name: "video.mp4", Reader: f})
+	mediaAdd.SupportsStreaming = true
+	mediaAdd.Height = metadata.Height()
+	mediaAdd.Width = metadata.Width()
+	mediaAdd.Duration = int(metadata.Duration())
 	mediaAdd.Thumb = tgbotapi.FileBytes{Name: "thumb.jpg", Bytes: buf.Bytes()}
 
+	// Store file reference for cleanup after sending
+	h.openFiles = append(h.openFiles, f)
+	h.tempFiles = append(h.tempFiles, filename)
+
 	return &mediaAdd, nil
 }
 
+func (h *handler) cleanupFiles() {
+	for _, f := range h.openFiles {
+		f.Close()
+	}
+	for _, filename := range h.tempFiles {
+		os.Remove(filename)
+	}
+	h.openFiles = nil
+	h.tempFiles = nil
+}
+
 func (h *handler) ProcessPost(event *models.Event) error {
 	ps, _ := h.bsky.ParsePost(event.Commit.Record)
 	po := ps.GetEmbeds()
@@ -407,7 +426,9 @@ func (h *handler) ProcessPost(event *models.Event) error {
 			if isEditedPost {
 				h.tg.Send(tgbotapi.NewEditMessageCaption(telegramRecord.ChannelID, telegramRecord.MessageID[0], captionText))
 			} else {
-				resp, _ := h.tg.SendMediaGroup(tgbotapi.NewMediaGroup(cid, mediaGroup))
+				resp, err := h.tg.SendMediaGroup(tgbotapi.NewMediaGroup(cid, mediaGroup))
+				fmt.Println(err)
+				h.cleanupFiles()
 				uri, postCid := getLink(event)
 				var messageIDs []int
 				for _, msgID := range resp {