Class: Niconico::Video

Inherits:
Fabric
  • Object
show all
Includes:
Helper
Defined in:
lib/nv/niconico/video.rb

Instance Attribute Summary

Attributes inherited from Fabric

#agent

Instance Method Summary collapse

Methods included from Helper

#escape_string, #mylist?

Methods inherited from Fabric

#sign_in, #signed_in?

Constructor Details

#initialize(ptr, agent = nil) ⇒ Video

Returns a new instance of Video.



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# File 'lib/nv/niconico/video.rb', line 5

def initialize(ptr, agent=nil)
  super(agent)

  @thumb = nil
  @flv   = nil
  @id    = normalize(ptr) # pvid | thumb_cached
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args) ⇒ Object

Combined parameter fetcher



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# File 'lib/nv/niconico/video.rb', line 129

def method_missing(method, *args)
  thumb[method] || flv[method] || raise(NoMethodError, method)
end

Instance Method Details

#download(output = ".") ⇒ Object 



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# File 'lib/nv/niconico/video.rb', line 13

def download(output=".")
  escaped_title  = escape_string(thumb.title)
  escaped_output = escape_string(output)

  filename = sprintf OUTPUT_NAME, {:title => escaped_title, :id => thumb.video_id, :extension => thumb.extension}
  filepath = File.join(escaped_output, filename)
  filepath_nvdownload = "#{filepath}.nvdownload"

  # Return when video file is already exist
  if File.exist? filepath
    File.delete filepath_nvdownload if File.exist? filepath_nvdownload
    return
  end

  # Create output dir
  Dir.mkdir escaped_output unless Dir.exist? escaped_output

  # Define request headers
  options = {
    'Cookie' => flv.history_cookies
  }
  if File.exist? filepath_nvdownload
    options['Range'] = "bytes=#{File.size(filepath_nvdownload)}-"
  end

  # Download video
  progress_bar = nil
  url = URI.parse(flv.url)
  begin
    Net::HTTP.start(url.host, url.port) do |http|
      header = http.request_head("#{url.path}?#{url.query}", options)
      progress_bar = ProgressBar.create(:total => header['content-length'].to_i)
      transferred_bytes = 0
      request = Net::HTTP::Get.new(url, options)
      http.request request do |response|
        open(filepath_nvdownload, 'ab') do |io|
          response.read_body do |chunk|
            transferred_bytes += chunk.size
            if progress_bar
              progress_bar.progress = transferred_bytes
            else
              puts "#{transferred_bytes} / Total size is unknown"
            end

            io.write chunk
          end
        end
      end
    end
  rescue => e
    puts "Failed download: #{e}"
    return
  end

  # Rename .nvdownload to real file
  File.rename(filepath_nvdownload, filepath)
end

#download_comments(output = ".") ⇒ Object

POST msg.nicovideo.jp/53/api/ <packet><thread thread=“1345476375” version=“20090904” user_id=“1501297” scores=“1” nicoru=“1” with_global=“1”/><thread_leaves thread=“1345476375” user_id=“1501297” scores=“1” nicoru=“1”>0-14:100,1000</thread_leaves></packet> <packet>

<thread thread="1345476375"
        version="20090904"
        waybackkey="1417346808.E9d0LUF9gvFvt3Rrf5TP91Pa0LA"
        when="1417346804"
        user_id="1501297"
        scores="1"
        nicoru="1"
/>
<thread_leaves
        thread="1345476375"
        waybackkey="1417346808.E9d0LUF9gvFvt3Rrf5TP91Pa0LA"
        when="1417346804" # 起点
        user_id="1501297"
        res_before="8541"
        scores="1"
        nicoru="1" >0-14:100,1000</thread_leaves>

</packet> <chat thread=“1345476375” no=“8540” vpos=“55658” date=“1417346426” mail=“184” user_id=“tzaiW5hp-SvJG6UGkEa0kELQd3w” anonymity=“1” leaf=“9”>白いレースのハンカチかな？</chat> <chat thread=“1345476375” no=“8539” vpos=“41534” date=“1417233687” mail=“184” user_id=“1p_4U9fr-YvliRaUl3E6XGEavp4” premium=“1” anonymity=“1” leaf=“6”>くっそｗｗｗｗ</chat>



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# File 'lib/nv/niconico/video.rb', line 96

def download_comments(output=".")
  escaped_title  = escape_string(thumb.title)
  escaped_output = escape_string(output)

  filename = sprintf OUTPUT_NAME, {:title => escaped_title, :id => thumb.video_id, :extension => 'comments'}
  filepath = File.join(escaped_output, filename)

  Dir.mkdir(escaped_output) unless Dir.exist? escaped_output

  url = URI.parse(flv.ms)

  thread_id = flv.thread_id
  length = (flv.l.to_i / 60).round
  res = Net::HTTP.new(url.host).start do |http|
    req = Net::HTTP::Post.new(url.path, {'Cookie' => flv.history_cookies})
    req.body = %|<packet><thread thread="#{thread_id}" version="20090904" scores="1" nicoru="1" with_global="1"/><thread_leaves thread="#{thread_id}" scores="1" nicoru="1">0-#{length}:10</thread_leaves></packet>|
    http.request(req)
  end

  open(filepath, 'w') do |f|
    f.write res.body
  end

  # TODO: Comment parser
  # doc = REXML::Document.new(res.body)
  # chats = doc.elements.to_a('/packet/chat')
  # chats.each do |chat|
  #   puts chat.attribute('vpos')
  #   puts chat.text
  # end
end