Class: Voltron::Generators::Js::InstallGenerator

Inherits:
Rails::Generators::Base
  • Object
show all
Defined in:
lib/generators/voltron/js/install_generator.rb

Constant Summary collapse

ASSET_URL = 
"https://raw.githubusercontent.com/ehainer/voltron/%{version}/app/assets/javascripts/%{library}"
TEMP_DIR = 
Rails.root.join("tmp")

Instance Method Summary collapse

Instance Method Details

#install_modules ⇒ Object 



20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# File 'lib/generators/voltron/js/install_generator.rb', line 20

def install_modules
  if modules.empty?
    puts "Please specify one or more modules to install, e.g. - `rails g voltron:js:install dialog [--version=0.1.0]`"
    return false
  end

  FileUtils.mkdir_p(TEMP_DIR) unless File.directory?(TEMP_DIR)

  modules.each do |mod|
    library = "voltron-#{mod.downcase}.js"
    version = options.version == "master" ? "master" : "v" + options.version.gsub(/[^0-9\.]/, "")
    asset = ASSET_URL % { version: version, library: library }

    begin
      download = open(asset)
      tmp = TEMP_DIR.join(library)
      IO.copy_stream(download, tmp)
      copy_file tmp, Rails.root.join("app", "assets", "javascripts", library)
    rescue OpenURI::HTTPError => e
      puts "Module '#{mod}' not found. Are you sure the version exists and that you typed the name correctly? (Lookup URL: #{asset})"
    end

  end
end