* Fetch downlods a file to downloads folder from the given url, and names it as given fileName */
(url string, fileName string)
| 15 | if err != nil { |
| 16 | return err |
| 17 | } |
| 18 | |
| 19 | response, err := http.Get(url) |
| 20 | if err != nil { |
| 21 | return err |
| 22 | } |
| 23 | |
| 24 | defer response.Body.Close() |
| 25 | |
| 26 | if response.StatusCode != 200 { |
| 27 | return errors.New(constants.FILE_DOWNLOAD_ERROR + strconv.Itoa(response.StatusCode)) |
| 28 | } |
| 29 | |
| 30 | // create an empty file |
| 31 | file, err := os.Create(newFileName) |
| 32 | if err != nil { |
| 33 | return err |
| 34 | } |
| 35 | |
| 36 | defer file.Close() |
| 37 | |
| 38 | // write the bytes to the file |
| 39 | _, err = io.Copy(file, response.Body) |
| 40 | if err != nil { |
| 41 | return err |
| 42 | } |
| 43 | |
| 44 | return nil |
| 45 | } |
| 46 | |
| 47 | func getFileName(fileName string) (string, error) { |
| 48 | cwd, err := os.Getwd() |
| 49 | |
| 50 | if err != nil { |
| 51 | return "", err |
| 52 | } |
| 53 | |
| 54 | newPath := path.Join(cwd, constants.DOWNLOAD_FILE_PATH_PREFIX) |
| 55 | |
| 56 | err = os.MkdirAll(newPath, os.ModePerm) |