Returns:

• {:ok, stored_file_absolute_path} if everything were ok.
• {:error, :file_size_is_too_big} if file size exceeds max_file_size
• {:error, :download_failure} if host isn't reachable
• {:error, :eexist} if file exists already

Options:

• max_file_size - max available file size for downloading (in bytes). Default is 1024 * 1024 * 1000 (1GB)
• path - absolute file path for the saved file. Default is pwd <> requested file name

Examples

iex> Literature.DownloadHelpers.download_image("http://speedtest.ftp.otenet.gr/files/test100k.db")
{:ok, "/absolute/path/to/test_100k.db"}

iex> Literature.DownloadHelpers.download_image("http://speedtest.ftp.otenet.gr/files/test100k.db", [max_file_size: 99 * 1000])
{:error, :file_size_is_too_big}

iex> Literature.DownloadHelpers.download_image("http://speedtest.ftp.otenet.gr/files/test100k.db", [path: "/custom/absolute/file/path.db"])
{:ok, "/custom/absolute/file/path.db"}