Class: SwissKnife::SmushIt

Inherits:
Object
  • Object
show all
Defined in:
lib/swiss_knife/smusher_it.rb

Constant Summary collapse

ENDPOINT = 
URI.parse("http://ws1.adq.ac4.yahoo.com/ysmush.it/ws.php")
CONTENT_TYPE = 
{
  ".png"  => "image/png",
  ".gif"  => "image/gif",
  ".jpg"  => "image/jpeg",
  ".jpeg" => "image/jpeg"
}
HOOKS = 
{}

Class Method Summary collapse

Class Method Details

.compress(filepath) ⇒ Object 



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# File 'lib/swiss_knife/smusher_it.rb', line 24

def self.compress(filepath)
  http = Net::HTTP.new(ENDPOINT.host, ENDPOINT.port)
  request = Net::HTTP::Post.new(ENDPOINT.request_uri)
  file_contents = File.read(filepath)
  boundary = Digest::SHA1.hexdigest(file_contents)
  request["Content-Type"] = "multipart/form-data, boundary=#{boundary}"
  request.body = [].tap do |body|
    body << "--#{boundary}"
    body << %[Content-Disposition: form-data; name="files[]"; filename="#{File.basename(filepath)}"]
    body << %[Content-Type: #{CONTENT_TYPE[File.extname(filepath).downcase]}\r\n]
    body << file_contents
    body << "--#{boundary}--\r\n"
  end.join("\r\n")

  response = http.request(request)
  return nil unless response.code == "200"

  JSON.load(response.body).tap do |info|
    HOOKS[:complete].each {|block| block[filepath, info]}
  end
end

.convert(from, to) ⇒ Object 



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# File 'lib/swiss_knife/smusher_it.rb', line 46

def self.convert(from, to)
  info = compress(from)
  return if info["error"]
  File.open(to, "wb+") {|file| file << open(info["dest"]).read }
end

.convert_directory(source) ⇒ Object 



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# File 'lib/swiss_knife/smusher_it.rb', line 52

def self.convert_directory(source)
  Dir["#{source}/**/*.{png,gif,jpg,jpeg}"].each do |filepath|
    p "converting #{filepath}"
    convert filepath, filepath
  end
end

.on(hook, &block) ⇒ Object 



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# File 'lib/swiss_knife/smusher_it.rb', line 19

def self.on(hook, &block)
  HOOKS[hook] ||= []
  HOOKS[hook] << block
end