Class: Nanny::Search

Inherits:
Object
  • Object
show all
Defined in:
lib/nanny/search.rb

Constant Summary collapse

SIZE_UNITS = 
%w(b kb mb gb tb)
FEED_ITEMS_XPATH = 
'//rss/channel/item'
FEED_TEMPLATE_URL = 
Addressable::Template.new("http://torrentz.eu/feed?q={query}")
FEED_DESC_REGEXP = 
/
  Size: \s* (?<size>\d+) \s* (?<size_unit>[KMGT]?B)
  .*
  Seeds: \s* (?<seeds>[\d,]+)
  \s+
  Peers: \s* (?<peers>[\d,]+)
  \s+
  Hash: \s* (?<hash>[a-f0-9]+)
/xi

Instance Method Summary collapse

Instance Method Details

#document_for_query(query) ⇒ Object 



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# File 'lib/nanny/search.rb', line 42

def document_for_query(query)
  url = FEED_TEMPLATE_URL.expand(query: query).to_s
  Nokogiri::XML HTTPClient.get(url)
end

#search_torrents(query) ⇒ Object 



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# File 'lib/nanny/search.rb', line 20

def search_torrents(query)
  doc = document_for_query(query)
  doc.xpath(FEED_ITEMS_XPATH).map do |item|
    torrent_from_item(item)
  end
end

#torrent_from_item(item) ⇒ Object 



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# File 'lib/nanny/search.rb', line 27

def torrent_from_item(item)
  desc = item.at_xpath('.//description').text
  matches = desc.match(FEED_DESC_REGEXP)
  exp = SIZE_UNITS.index(matches['size_unit'].downcase)
  size = matches['size'].to_i * (1024 ** exp)
  Torrent.new(
    title: item.at_xpath('.//title').text,
    url: item.at_xpath('.//link').text,
    seeds: matches['seeds'].gsub(",", "").to_i,
    peers: matches['peers'].gsub(",", "").to_i,
    size: size,
    hash: matches['hash']
  )
end