Class: ChosenAssets::SourceFetcher

Inherits:
Object
  • Object
show all
Defined in:
lib/chosen_assets/source_fetcher.rb

Constant Summary collapse

GithubRepo = 
'harvesthq/chosen'

Instance Method Summary collapse

Constructor Details

#initialize(github_repo, tag_name = nil) ⇒ SourceFetcher

Returns a new instance of SourceFetcher.



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# File 'lib/chosen_assets/source_fetcher.rb', line 11

def initialize(github_repo, tag_name = nil)
  @github_repo = github_repo || GithubRepo
  @tag_name = tag_name
end

Instance Method Details

#fetch ⇒ Object

desc ‘fetch source files’, ‘fetch source files from GitHub’



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# File 'lib/chosen_assets/source_fetcher.rb', line 17

def fetch
  releases_data = JSON.load( open("https://api.github.com/repos/#{@github_repo}/releases") )
  release = if @tag_name.nil? 
    releases_data.first
  else
    releases_data.find {|hash| hash["tag_name"] == @tag_name}
  end

  # We assume there's only one asset, and we want it
  asset       = release['assets'].first
  asset_name  = asset['name']

  local_zip_path = "tmp/#{asset_name}"
  
  open(local_zip_path, "wb") do |file|
    # Need to send Accept  application/octet-stream to github to get the binary
    # http://developer.github.com/v3/repos/releases/#get-a-single-release-asset
    file << open(asset['url'], "Accept" => "application/octet-stream").read
  end

  # We're just gonna shell out to the 'unzip' command, OSX and unix prob
  # has it, good enough. 
  local_source_path = "tmp/#{asset_name.chomp(File.extname(asset_name))}.scss"
  system("unzip", local_zip_path, "-d", local_source_path)

  # Copy all the files over

  
  Dir.glob("#{local_source_path}/*.css").each do |source|
    dest = "vendor/assets/stylesheets/#{File.basename source}.scss"
    puts "copy to #{dest}"
    FileUtils.copy source, dest

    # replace url() with asset-pipeline-aware scss asset-url()
    content = File.read(dest)
    content.gsub!(/ url\(([^)]+)\)/, ' image-url(\\1)')
    File.open(dest, 'wb') { |file| file.write(content) }
  end

  Dir.glob("#{local_source_path}/*.js").each do |source|
    puts "copy to vendor/assets/javascripts/#{File.basename source}"
    FileUtils.copy source, "vendor/assets/javascripts/#{File.basename source}"
  end

  Dir.glob("#{local_source_path}/*.{png,gif,jpg,jpeg}").each do |source|
    puts "copy to vendor/assets/images/#{File.basename source}"
    FileUtils.copy source, "vendor/assets/images/#{File.basename source}"
  end


end