Module: StackOverflow::Questions

Extended by:
Engine
Defined in:
lib/rstackoverflow/question.rb

Constant Summary

Constants included from Engine

Engine::Engines, Engine::Github, Engine::Native

Class Method Summary collapse

Class Method Details

.[](q_index) ⇒ Object Also known as: at 



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# File 'lib/rstackoverflow/question.rb', line 17

def [](q_index)
  return nil unless q_index.is_a? Integer
  html = Utils.http_get("/questions/#{q_index}")
  href = html.css('a').first.attr('href')
  arr = href.split('/')
  return nil unless q_index == arr[2].to_i
  html = Utils.http_get(href)
  q_title = html.css('div[id=question-header]').first.css('a').text
  question = html.css('div[class=question]').first
  q_detail = question.css('div[class=post-text]').text.strip
  q_vote = question.css('span[class~=vote-count-post]').text.to_i
  list = question.css('div[class=post-taglist]')
  q_labels = list.first.children.css('a').map {|e| e.text}
  q_comments = question.css('td[class=comment-text]').map {|e| e.text.strip}

  answers = html.css('div[class~=answer]').map do |e|
    a_index = e.attr('id')[7..-1].to_i
    a_detail = e.css('div[class=post-text]').text.strip
    a_accepted = e.attr('class').index('accepted-answer') ? true : false
    a_vote = e.css('span[class~=vote-count-post]').text.to_i
    a_comments = e.css('td[class=comment-text]').map {|t| t.text.strip}
    Answer.new(a_index, a_detail, a_accepted, a_vote, a_comments)
  end
  Question.new(q_index, "#{Utils::DOMAIN}#{href}",
               q_title, q_detail, q_vote, q_labels, q_comments,
               answers)
end

.add_class(klass, *args) ⇒ Object 



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# File 'lib/rstackoverflow/question.rb', line 6

def add_class(klass, *args)
  eval <<-init
    class #{klass.capitalize}
      attr_reader :#{args.join(', :')}
      def initialize(#{args.join(', ')})
      #{args.map {|e| "@#{e} = #{e};"}.join}
      end
    end
  init
end

.search(cond, engine = Native) ⇒ Object 



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# File 'lib/rstackoverflow/question.rb', line 47

def search(cond, engine = Native)
  return nil unless cond.is_a? String
  case engine
  when Native
    html = Utils.http_get("/search?q=#{cond.escape!}")
    results = html.css('div[class~=search-result]')
    results.map do |r|
      r_index = r.attr('id')[17..-1].to_i
      r_title = r.css('div[class=result-link]').text.strip
      r_abstract = r.css('div[class=excerpt]').text.strip
      r_vote = r.css('span[class~=vote-count-post]').text.to_i
      r_answer_count = r.css('div[class~=answered-accepted]').text.to_i
      Result.new(r_index, r_title, r_abstract, r_vote, r_answer_count)
    end
  when Github
    #TODO
    fail InvalidSearchEngine
  else
    fail InvalidSearchEngine
  end
end