Class: Bnicovideo::Video

Inherits:
Object
  • Object
show all
Defined in:
lib/bnicovideo/video.rb

Overview

This class represents video of Niconico Douga

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(user_session, video_id) ⇒ Video

Initialize from user session and video ID

user_session

Bnicovideo::UserSession object

video_id

Video ID



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# File 'lib/bnicovideo/video.rb', line 47

def initialize(user_session, video_id)
  @user_session = user_session
  @video_id = video_id
  @info_got = false
end

Instance Attribute Details

#comment_num ⇒ Object (readonly)

How many comments were post



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# File 'lib/bnicovideo/video.rb', line 31

def comment_num
  @comment_num
end

#deleted ⇒ Object (readonly)

Whether this video was deleted



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# File 'lib/bnicovideo/video.rb', line 43

def deleted
  @deleted
end

#description ⇒ Object (readonly)

Video description



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# File 'lib/bnicovideo/video.rb', line 19

def description
  @description
end

#embeddable ⇒ Object (readonly)

Embeddable this video



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# File 'lib/bnicovideo/video.rb', line 35

def embeddable
  @embeddable
end

#first_retrieve ⇒ Object (readonly)

DateTime object when the video was post



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# File 'lib/bnicovideo/video.rb', line 23

def first_retrieve
  @first_retrieve
end

#length ⇒ Object (readonly)

Video length in seconds



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# File 'lib/bnicovideo/video.rb', line 25

def length
  @length
end

#live_allowed ⇒ Object (readonly)

Whether this video can play in Niconico live streaming



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# File 'lib/bnicovideo/video.rb', line 37

def live_allowed
  @live_allowed
end

#movie_type ⇒ Object (readonly)

Movie type(mp4, flv, …)



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# File 'lib/bnicovideo/video.rb', line 27

def movie_type
  @movie_type
end

#mylist_counter ⇒ Object (readonly)

How many mylists have this video



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# File 'lib/bnicovideo/video.rb', line 33

def mylist_counter
  @mylist_counter
end

#tags ⇒ Object (readonly)

Tags’ hash. Key is language and value is the array of Bnicovideo::Tag object.



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# File 'lib/bnicovideo/video.rb', line 39

def tags
  @tags
end

#thumbnail_url ⇒ Object (readonly)

Thumbnail URL



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# File 'lib/bnicovideo/video.rb', line 21

def thumbnail_url
  @thumbnail_url
end

#title ⇒ Object (readonly)

Video title



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# File 'lib/bnicovideo/video.rb', line 17

def title
  @title
end

#user_id ⇒ Object (readonly)

User id of this video’s author



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# File 'lib/bnicovideo/video.rb', line 41

def user_id
  @user_id
end

#video_id ⇒ Object (readonly)

Video ID



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# File 'lib/bnicovideo/video.rb', line 15

def video_id
  @video_id
end

#view_counter ⇒ Object (readonly)

How many times this video was viewed



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# File 'lib/bnicovideo/video.rb', line 29

def view_counter
  @view_counter
end

Instance Method Details

#access_getflv_api ⇒ Object

Access getflv API



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# File 'lib/bnicovideo/video.rb', line 194

def access_getflv_api
  resp2 = nil
  Net::HTTP.start('flapi.nicovideo.jp') do |http|
    resp2 = http.get('/api/getflv/' + @video_id + '?as3=1',
      {'Cookie' => 'user_session=' + @user_session.session_id})
  end
  flvhsh = CGI.parse(resp2.body)
  return flvhsh
end

#download(filename = nil) ⇒ Object

Download video

filename

File name or stream. If nil, return binary



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# File 'lib/bnicovideo/video.rb', line 98

def download(filename = nil)
  self.get_info
  return nil if @deleted
  resp = nil
  Net::HTTP.start('www.nicovideo.jp') do |http|
    resp = http.get('/watch/' + @video_id,
      {'Cookie' => 'user_session=' + @user_session.session_id})
  end
  adc = {}
  resp.each do |k, v|
    if k.downcase == 'set-cookie'
      z = v.split(';')
      z.map!{|cp| cp.gsub(/(^ +)|( +$)/, '')}
      hsh = {}
      z.each do |ckchr|
        ckchra = ckchr.split('=', 2)
        hsh[ckchra[0]] = ckchra[1]
      end
      hsh.each do |nk, nv|
        adc[nk] = nv unless ['expires', 'path', 'domain', 'secure'].include?(nk)
      end
    end
  end
  movie_url = access_getflv_api['url'][0]
  return if movie_url == nil
  resp3 = nil
  huri = URI.parse(movie_url)
  cks = {'user_session' => @user_session.session_id}.merge(adc)
  ckarr = []
  cks.each do |ckk, ckv|
    ckarr.push(ckk + '=' + ckv)
  end
  ckstr = ckarr.join('; ')
  Net::HTTP.start(huri.host) do |http|
    resp3 = http.get(huri.request_uri, {'Cookie' => ckstr})
  end
  return unless resp3.code.to_i == 200
  if filename == nil
    return resp3.body
  elsif filename.respond_to?(:write)
    filename.write(resp3.body)
  else
    File.open(filename, 'wb') do |file|
      file.write resp3.body
    end
  end
end

#get_comments ⇒ Object

Get comments



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# File 'lib/bnicovideo/video.rb', line 146

def get_comments
  self.get_info
  return [] if @deleted
  hsh = access_getflv_api
  tid = hsh['thread_id'][0]
  return unless tid
  ms = hsh['ms'][0]
  uid = hsh['user_id'][0]
  req = '<packet><thread thread="' + tid + '" version="20090904" user_id="' +
    uid + '" score="1" /><thread_leaves thread="' + tid + '" user_id="' +
    uid + '" scores="1">0-' + ((@length + 59) / 60).to_s + ':100, 1000' +
    '</thread_leaves><thread thread="' + tid + '" version="20061206" ' +
    'res_from="-1000" fork="1" scores="1" /></packet>'
  uri = URI.parse(ms)
  resp = nil
  Net::HTTP.start(uri.host) do |http|
    resp = http.post(uri.request_uri, req,
      {'Cookie' => 'user_session=' + @user_session.session_id,
      'Content-Type' => 'application/xml'})
  end
  xml = REXML::Document.new(resp.body)
  ret = []
  xml.root.elements.each('chat') do |chn|
    comno = chn.attributes['no'].to_i
    vat = chn.attributes['vpos'].to_i / 100.0
    tat = Time.at(chn.attributes['date'].to_i)
    is184 = chn.attributes['anonymity'] == '1'
    user_id = chn.attributes['user_id']
    is_premium = chn.attributes['premium'] == '1'
    score = 0
    if chn.attributes['score']
      score = chn.attributes['score'].to_i
    end
    is_creator_comment = chn.attributes['fork'] == '1'
    ret.push({
      :comment_no => comno,
      :video_position => vat,
      :comment_at => tat,
      :anonymous? => is184,
      :user_id => user_id,
      :premium? => is_premium,
      :score => score,
      :creator_comment? => is_creator_comment
      })
  end
  return ret
end

#get_info(refresh = false) ⇒ Object

Get video information

refresh

If this is set true, force get. Otherwise, get only if not gotten.



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# File 'lib/bnicovideo/video.rb', line 54

def get_info(refresh = false)
  if @info_got && !refresh
    return
  end
  resp = nil
  Net::HTTP.start('ext.nicovideo.jp') do |http|
    resp = http.get('/api/getthumbinfo/' + @video_id,
      {'Cookie' => 'user_session=' + @user_session.session_id})
  end
  resp.value
  xml = REXML::Document.new(resp.body)
  root = xml.root
  if root.attributes['status'] == 'ok'
    @title = root.elements['thumb/title'].text
    @description = root.elements['thumb/description'].text
    @thumbnail_url = root.elements['thumb/thumbnail_url'].text
    @first_retrieve = DateTime.parse(root.elements['thumb/first_retrieve'].text)
    length_string = root.elements['thumb/length'].text
    length_arr = length_string.split(':')
    @length = length_arr[0].to_i * 60 + length_arr[1].to_i
    @movie_type = root.elements['thumb/movie_type'].text
    @view_counter = root.elements['thumb/view_counter'].text.to_i
    @comment_num = root.elements['thumb/comment_num'].text.to_i
    @mylist_counter = root.elements['thumb/mylist_counter'].text.to_i
    @embeddable = root.elements['thumb/embeddable'].text == '1'
    @live_allowed = root.elements['thumb/no_live_play'].text == '0'
    @tags = {}
    root.elements.each('thumb/tags') do |tse|
      key = tse.attributes['domain']
      dtags = []
      tse.elements.each('tag') do |tge|
        dtags.push(Bnicovideo::Tag.new(tge.text,
            tge.attributes['lock'] == '1', tge.attributes['category'] == '1'))
      end
      @tags[key] = dtags
    end
    @user_id = root.elements['thumb/user_id'].text
  else
    @deleted = true
  end
  @info_got = true
end