Function UnZip

common/persistence/problems/utils.go:33–62

UnZip do unzip

(zipArchive *zip.ReadCloser, destDir string)

// UnZip do unzip
func UnZip(zipArchive *zip.ReadCloser, destDir string) error {
	return WalkZip(zipArchive, func(f *zip.File) error {
		fpath := filepath.Join(destDir, f.Name)
		if f.FileInfo().IsDir() {
			_ = os.MkdirAll(fpath, os.ModePerm)
		} else {
			if err := os.MkdirAll(filepath.Dir(fpath), os.ModePerm); err != nil {
				return err
			}

			inFile, err := f.Open()
			if err != nil {
				return err
			}
			defer inFile.Close()

			outFile, err := os.OpenFile(fpath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
			if err != nil {
				return err
			}
			defer outFile.Close()

			_, err = io.Copy(outFile, inFile)
			if err != nil {
				return err
			}
		}
		return nil
	})
}

// WalkZip walk in zip
func WalkZip(zipArchive *zip.ReadCloser, walkFunc func(file *zip.File) error) error {