Change project structure

src/subtitles.go

@@ -0,0 +1,60 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"strings"
+
+	"github.com/asticode/go-astisub"
+)
+
+func downloadAndConvertSubtitles(subtitlesURLs string) ([]string, error) {
+	var subtitlePaths []string
+	urls := strings.Split(subtitlesURLs, ",")
+
+	for _, url := range urls {
+		vttPath, err := downloadSubtitle(url)
+		if err != nil {
+			return nil, fmt.Errorf("error downloading subtitle: %v", err)
+		}
+
+		srtPath, err := convertVTTtoSRT(vttPath)
+		if err != nil {
+			return nil, fmt.Errorf("error converting subtitle: %v", err)
+		}
+
+		subtitlePaths = append(subtitlePaths, srtPath)
+	}
+
+	return subtitlePaths, nil
+}
+
+func downloadSubtitle(url string) (string, error) {
+	resp, err := http.Get(url)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+
+	tempFile, err := os.CreateTemp("", "subtitle_*.vtt")
+	if err != nil {
+		return "", err
+	}
+	defer tempFile.Close()
+
+	_, err = io.Copy(tempFile, resp.Body)
+	if err != nil {
+		return "", err
+	}
+
+	return tempFile.Name(), nil
+}
+
+func convertVTTtoSRT(vttPath string) (string, error) {
+	srtPath := strings.TrimSuffix(vttPath, ".vtt") + ".srt"
+	s1, _ := astisub.OpenFile(vttPath)
+	s1.Write(srtPath)
+	return srtPath, nil
+}