Class: DepsGrapher::Visualizer::Downloader

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/deps_grapher/visualizer/downloader.rb

Instance Method Summary collapse

Methods included from Logging

#error, #info, #verbose, #warn

Constructor Details

#initialize(download_dir) ⇒ Downloader

Returns a new instance of Downloader.



8
9
10
# File 'lib/deps_grapher/visualizer/downloader.rb', line 8

def initialize(download_dir)
  @download_dir = download_dir
end

Instance Method Details

#download(url, force: false) ⇒ Object



12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
# File 'lib/deps_grapher/visualizer/downloader.rb', line 12

def download(url, force: false)
  uri = URI.parse url
  file_name = File.basename uri.to_s
  file_path = File.join @download_dir, file_name

  FileUtils.rm_f file_path if force

  return if File.exist?(file_path)

  response = get_response uri

  raise "download error occurred: #{uri} (#{response.code})" if response.code.to_i != 200

  File.write file_path, response.body
end