Moved the code from src to the root.

handler/convertor_windows.go

@@ -0,0 +1,153 @@
+//go:build windows
+// +build windows
+
+package handler
+
+import (
+	"archive/zip"
+	"errors"
+	"fyne.io/fyne/v2/canvas"
+	"fyne.io/fyne/v2/widget"
+	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/src/convertor"
+	"github.com/nicksnyder/go-i18n/v2/i18n"
+	"io"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func getPathsToFF() []convertor.FFPathUtilities {
+	return []convertor.FFPathUtilities{{"ffmpeg\\bin\\ffmpeg.exe", "ffmpeg\\bin\\ffprobe.exe"}}
+}
+
+func (h ConvertorHandler) downloadFFmpeg(progressBar *widget.ProgressBar, progressMessage *canvas.Text) (err error) {
+	isDirectoryFFmpeg := isDirectory("ffmpeg")
+	if isDirectoryFFmpeg == false {
+		err = os.Mkdir("ffmpeg", 0777)
+		if err != nil {
+			return err
+		}
+	}
+	progressMessage.Text = h.localizerService.GetMessage(&i18n.LocalizeConfig{
+		MessageID: "downloadRun",
+	})
+	progressMessage.Refresh()
+	err = downloadFile("ffmpeg/ffmpeg.zip", "https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-master-latest-win64-gpl.zip", progressBar)
+	if err != nil {
+		return err
+	}
+
+	progressMessage.Text = h.localizerService.GetMessage(&i18n.LocalizeConfig{
+		MessageID: "unzipRun",
+	})
+	progressMessage.Refresh()
+	err = unZip("ffmpeg/ffmpeg.zip", "ffmpeg")
+	if err != nil {
+		return err
+	}
+	_ = os.Remove("ffmpeg/ffmpeg.zip")
+
+	progressMessage.Text = h.localizerService.GetMessage(&i18n.LocalizeConfig{
+		MessageID: "testFF",
+	})
+	progressMessage.Refresh()
+	err = h.saveSettingFFPath("ffmpeg/ffmpeg-master-latest-win64-gpl/bin/ffmpeg.exe", "ffmpeg/ffmpeg-master-latest-win64-gpl/bin/ffprobe.exe")
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func downloadFile(filepath string, url string, progressBar *widget.ProgressBar) (err error) {
+	progressBar.Value = 0
+	progressBar.Max = 100
+
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		return err
+	}
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	f, err := os.OpenFile(filepath, os.O_CREATE|os.O_WRONLY, 0644)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+
+	buf := make([]byte, 32*1024)
+	var downloaded int64
+	for {
+		n, err := resp.Body.Read(buf)
+		if err != nil {
+			if err == io.EOF {
+				break
+			}
+			return err
+		}
+		if n > 0 {
+			f.Write(buf[:n])
+			downloaded += int64(n)
+			progressBar.Value = float64(downloaded) / float64(resp.ContentLength) * 100
+			progressBar.Refresh()
+		}
+	}
+	return nil
+}
+
+func unZip(fileZip string, directory string) error {
+	archive, err := zip.OpenReader(fileZip)
+	if err != nil {
+		return err
+	}
+	defer archive.Close()
+
+	for _, f := range archive.File {
+		filePath := filepath.Join(directory, f.Name)
+
+		if !strings.HasPrefix(filePath, filepath.Clean(directory)+string(os.PathSeparator)) {
+			return errors.New("invalid file path")
+		}
+		if f.FileInfo().IsDir() {
+			os.MkdirAll(filePath, os.ModePerm)
+			continue
+		}
+
+		if err := os.MkdirAll(filepath.Dir(filePath), os.ModePerm); err != nil {
+			return err
+		}
+
+		dstFile, err := os.OpenFile(filePath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
+		if err != nil {
+			return err
+		}
+
+		fileInArchive, err := f.Open()
+		if err != nil {
+			return err
+		}
+
+		if _, err := io.Copy(dstFile, fileInArchive); err != nil {
+			return err
+		}
+
+		dstFile.Close()
+		fileInArchive.Close()
+	}
+
+	return nil
+}
+
+func isDirectory(path string) bool {
+	fileInfo, err := os.Stat(path)
+	if err != nil {
+		return false
+	}
+
+	return fileInfo.IsDir()
+}