Alfred workflow to lookup multitran.ru

multitran-alfred.rb

require 'net/http'
require 'nokogiri'

def lookup(query)
  path = "https://www.multitran.com/c/M.exe?CL=1&s=#{query}&l1=1&l2=2"
  uri = URI(URI.escape(path))
  Net::HTTP.get(uri)
end

def node_to_str(node)
  node.xpath('descendant::text()')
      .map(&:content)
      .map{|s| s.gsub /[[:space:]]/, ' ' }
      .map(&:strip)
      .select{|s| s.size > 0}
      .join(' ')
    .gsub('( ', '(').gsub(' )', ')')
end

def translations(doc)
  doc.xpath('//form[@id="translation"]/../table[1]/tr').map do |tr|
    dict = node_to_str tr.xpath('td[1]')
    translations = node_to_str tr.xpath('td[2]')
    [dict, translations.split(' ; ')]
  end.select do |dict, translations|
    translations.size > 0
  end
end

def format_doc(body)
  "<?xml version=\"1.0\"?>#{body}"
end

def format_items(items)
  items = items.map{|i| format_item *i}.join "\n"
  "<items>#{items}</items>"
end

def format_item(title, subtitle)
  "<item><title>#{title}</title><subtitle>#{subtitle}</subtitle></item>"
end

query = ARGV.first
res = lookup query
doc = Nokogiri::HTML res
trans = translations(doc)
items = trans.map do |dict,transes|
  [dict, transes.join(', ')]
end
puts format_doc(format_items(items))

Multitran.alfredworkflow

Unfortunately not working with Alfred 4

also not working with Alfred 3

@yoursdearboy have a look at dict.cc Workflow. This one is working great. It's based on a python script though instead of ruby:
https://github.com/dennis-tra/alfred-dict.cc-workflow