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oldhaven/app/helpers/vkontakte.rb

99 lines
2.8 KiB
Ruby

module Vkontakte
require 'uri'
require 'net/http'
require 'erb'
require 'pp'
#require 'nokogiri'
@@accounts = YAML.load_file("#{Rails.root.to_s}/config/vk_accounts.yml")
@@bot = nil
def self.get(artist, track, length)
self.randomBot()
html = self.getHtml(artist << ' - ' << track).force_encoding("WINDOWS-1251").encode("UTF-8")
files = self.parseHtml(html)
files = self.calcWeight(files, artist, track, length)
return {
'url' => files.first['url'],
'remixsid' => @@bot['remixsid'],
'remixchk' => @@bot['remixchk']
}
end
private
def self.randomBot()
botname = @@accounts.keys[rand(@@accounts.keys.length - 1)]
@@bot = @@accounts[botname]
pp 'Using bot ' << botname
end
def self.getHtml(q)
headers = {
'Cookie' => 'remixsid='+ @@bot['remixsid'] + ';remixchk='+ @@bot['remixchk'].to_s,
'Referer' => 'http://vkontakte.ru/audio?album_id=0',
'X-Requested-With' => 'XMLHttpRequest',
'Origin' => 'http://vkontakte.ru',
'Content-Type' => 'application/x-www-form-urlencoded',
'User-Agent' => @@bot['user_agent'],
'Connection' => 'close'
}
data = {
'act' => 'search',
'al' => 1,
'gid' => 0,
'id' => @@bot['user_id'],
'offset' => 0,
'q' => q,
'sort' => 2
}
data_str = []
data.each {|k, v| data_str << k +'='+ ERB::Util.url_encode(v.to_s)}
http = Net::HTTP.new('vkontakte.ru', 80)
resp, data = http.post('/audio', data_str.join('&'), headers)
data
end
def self.parseHtml(html)
files = []
html
.scan(/<table.*?<input.*?value=\"(.*?)\,\d{1,4}\".*?>.*?<div\sclass=\"duration.*?>(.*?)<\/div>.*?<div\sclass=\"title_wrap\".*?>.*?selectPerformer\(event\,\s\'(.*?)\'\).*?<span\sclass=\"title\">(.*?)<\/span><\/div>.*?<\/table>/mi)
.each do |item|
t = item[1].split(':')
files << {
'url' => item[0],
'length' => (t[0].to_i * 60) + t[1].to_i,
'artist' => item[2],
'track' => item[3].gsub(/<.*?>/, '')
}
end
files
end
def self.calcWeight(files, artist, track, length)
files.each do |file|
weight = 0
if file['artist'] == artist then weight += 10 else
if file['artist'].include? artist then weight += 5 else
if file['track'].include? artist then weight += 4
end end end
if file['track'] == track then weight += 10 else
if file['track'].include? track then weight += 5
end end
if file['length'] == length then weight +=10 else
delta = (length - file['length']).abs
if delta < 5 then weight += (5 - delta) end
end
file['weight'] = weight
end
files.sort_by{|file| file['weight']}.reverse
end
end