func assertDirectoryExistance(actual interface{}, expected ...interface{}) string {
if fail := need(1, expected); fail != success {
return fail
}
dirPath, dirPathIsString := actual.(string)
mustExist, mustExistIsBool := expected[0].(bool)
if !dirPathIsString {
return fmt.Sprintf(shouldBeString, reflect.TypeOf(actual))
}
if !mustExistIsBool {
return fmt.Sprintf(shouldBeBool, reflect.TypeOf(expected[0]))
}
if dirExist, err := path_utils.DirectoryExists(dirPath); err != nil {
return err.Error()
} else if dirExist != mustExist {
if mustExist {
return fmt.Sprintf(shouldHaveBeenTrue, dirExist)
} else {
return fmt.Sprintf(shouldHaveBeenFalse, dirExist)
}
}
return success
}
func (h *handler) handleDownloadTarFunc(c echo.Context) error {
pathToSend := c.QueryParam("path")
fileFilter := c.QueryParam("file-filter")
if strings.TrimSpace(pathToSend) == "" {
return fmt.Errorf("Request does not contain query 'path' value")
}
var tarProvider tar_io.TarProvider
if isDir, err := path_utils.DirectoryExists(pathToSend); err != nil {
return fmt.Errorf("Unable to determine if path '%s' is a directory, error: %s", pathToSend, err.Error())
} else if isDir {
tarProvider = tar_io.Factories.TarProvider.Dir(pathToSend, fileFilter)
h.logger.Infof("Now starting to send dir '%s'", pathToSend)
} else if isFile, err := path_utils.FileExists(pathToSend); err != nil {
return fmt.Errorf("Unable to determine if path '%s' is a file, error: %s", pathToSend, err.Error())
} else if isFile {
tarProvider = tar_io.Factories.TarProvider.File(pathToSend)
h.logger.Infof("Now starting to send file '%s'", pathToSend)
} else {
return fmt.Errorf("Path '%s' is not an existing file or directory", pathToSend)
}
handler := &sendTarHandler{writer: c.Response()}
err := tar_io.UploadProvider(tarProvider, handler)
if err != nil {
return fmt.Errorf("Unable to send file, error: %s", err.Error())
}
return nil
}