Class: Desuraify::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/desuraify/base.rb

Overview

base class to inherit, hopefully reducing duplicate code

Direct Known Subclasses

Company, Engine, Game, Member

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(id, options = {}) ⇒ Base 



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# File 'lib/desuraify/base.rb', line 11

def initialize(id, options={})
  @id = id
  @hydra = options[:hydra] || Desuraify.hydra
  @request_opts = options[:request_opts] || {}
  @callback = nil
  @error = nil
end

Instance Attribute Details

#callback ⇒ Object (readonly)

Returns the value of attribute callback.



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# File 'lib/desuraify/base.rb', line 8

def callback
  @callback
end

#error ⇒ Object (readonly)

Returns the value of attribute error.



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# File 'lib/desuraify/base.rb', line 9

def error
  @error
end

#hydra ⇒ Object (readonly)

Returns the value of attribute hydra.



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# File 'lib/desuraify/base.rb', line 7

def hydra
  @hydra
end

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/desuraify/base.rb', line 6

def id
  @id
end

Instance Method Details

#enqueue_update(&block) ⇒ Object 



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# File 'lib/desuraify/base.rb', line 27

def enqueue_update(&block)
  @callback = block
  @error = nil

  request = Typhoeus::Request.new(url, @request_opts)

  request.on_complete do |response|
    result = nil

    begin
      result = handle_response(response)
    rescue Exception => e
      @error = e
    end

    update_callback(result)
  end

  hydra.queue(request)

  self
end

#parse_headers(headers) ⇒ Object 



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# File 'lib/desuraify/base.rb', line 50

def parse_headers(headers)
  result = Hash.new

  headers.each do |header|
    next if header.text.strip.empty?

    attribute = header.text.strip.split(" ").join("_").downcase.intern

    case header.text.strip
    when /^Platforms?$/i

      result[:platforms] = header.parent.children.search('a').select do |platform|
        platform unless platform == header || platform.text.strip.empty?
      end.map! {|platform| platform.text.strip }.uniq

    when /^Engine$/i

      result[:engines] = header.parent.children.select do |engine|
        engine unless engine == header || engine.text.strip.empty?
      end.map do |engine|
        eng = Hash.new
        eng[:name] = engine.text.strip
        eng[:id] = engine.child.attribute('href').value.split('/').last rescue nil
        eng
      end.uniq

    when /^Developers?/i, /Publishers?$/i

      attribute = header.text.downcase
      attribute << "s" unless attribute[-1] == "s"

      result[attribute.intern] = header.parent.children.select do |entity|
        entity unless entity == header || entity.text.strip.empty?
      end.map do |entity|
        target = Hash.new
        target[:name] = entity.text.strip
        href = entity.child.attribute('href').value.split('/')
        target[:company] = !!href.find{|company| company.match(/^company$/i)}
        target[:id] = href.last
        target
      end.uniq

    when /Languages?/i, /^Genres?/i, /^Themes?$/i, "Players", /^Projects?$/

      attribute = header.text.downcase
      attribute << "s" unless attribute[-1] == "s"

      result[attribute.intern] = header.parent.children.select do |entity|
        entity unless entity == header || entity.text.strip.empty?
      end.map! {|entity| entity.text.strip }.uniq

    when /^This game is an expansion for\s+?/i

      match = header.text.strip.match(/^This game is an expansion for\s+?(.*)/i)
      expansion = Hash.new
      expansion[:title] = match[match.size-1]
      expansion[:boxshot] = header.parent.search('img').attribute('src').value.strip
      expansion[:id] = header.parent.search('a').attribute('href').value.split('/').last.strip
      result[:expansion] = expansion

    when "Boxshot"

      result[attribute] = header.parent.search('a').attribute('href').value.strip rescue nil

    when "Last Update"

      result[:updated] = header.next.next.text.strip rescue nil

    when "News", "Members", "Videos", "Games", "Images", "Engines"

      attribute = header.text.strip.split(" ").push("count").join("_").downcase.intern
      result[attribute] = header.next.next.text.strip.to_i rescue nil


    when "Visits", "Profile Visitors"

      result[:visits] = header.next.next.text.strip rescue nil

    when "Official Page", "Homepage"

      result[:official_page] = header.parent.search('a').attribute('href').value.strip rescue nil

    when "Offline Since"

      result[:offline] = header.next.next.text.strip rescue nil

    when "Activity Points"

      result[:activity_points] = header.next.next.text.strip.to_i rescue nil

    when "Company", "Office", "Time Online", "Site Visits", /^Gender/, /^Country/, "Established", "Watchers", "Rank", "License", "Release Date", "Phone"

      result[attribute] = header.next.next.text.strip rescue nil

    when "Address"

      addresses = Array.new

      header.parent.children.each do |child|
        next if child == header || child.text.strip.empty?
        break if child.text.strip == "Phone"
        addresses << child.text.strip
      end

      result[:address] = addresses.map { |address| address.split("\n") }.flatten

    end

  end

  result[:engines_count]  = result[:engines_count]  || 0
  result[:images_count]   = result[:images_count]   || 0
  result[:videos_count]   = result[:videos_count]   || 0 
  result[:games_count]    = result[:games_count]    || 0 
  result[:news_count]     = result[:news_count]     || 0 

  result
end

#parse_similar(doc, img_count = 0, vid_count = 0) ⇒ Object 



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# File 'lib/desuraify/base.rb', line 169

def parse_similar(doc, img_count=0, vid_count=0)
  result = Hash.new

  result[:rating] = doc.at_css('.score').text.strip.to_f rescue nil
  result[:level]  = result[:rating]

  result[:videos] = doc.css('.videobox').search('a').map do |video|
    values = video.attribute('href').value.strip.split('/')
    values.pop
    "http://www.desura.com#{values.join('/')}"
  end rescue nil

  result[:videos] = rss_update(video_rss) if result[:videos].size < vid_count rescue nil

  result[:images] = doc.css('.mediaitem').search('a').select{|item| item if item.attribute('href').value.match(/^https?/i) }.map{|pic| pic.attribute('href').value.strip }
  result[:images] = rss_update(image_rss) if result[:images].size < img_count rescue nil

  result[:summary] = doc.at_css('.body.clear').search('p').map{ |paragraph| paragraph.text.strip }
  result[:page_title] = doc.css('title').text.strip
  result[:title] = doc.at_css('.title').css('h2').text.strip rescue nil

  result
end

#rss_update(url) ⇒ Object 



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# File 'lib/desuraify/base.rb', line 197

def rss_update(url)
  response = Typhoeus::Request.get(url, @request_opts)
  if response.success?
    xml = Nokogiri::XML(response.body)
    data = xml.search('enclosure').map{|item| item.attribute('url').value.strip }

    block_given? ? (yield data) : data
  end
end

#to_s ⇒ Object 



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# File 'lib/desuraify/base.rb', line 193

def to_s
  "#{@title}" rescue "#{self.class}::#{self.object_id}"
end

#update ⇒ Object 



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# File 'lib/desuraify/base.rb', line 19

def update
  resp = Typhoeus::Request.get(url, @request_opts)
  result = handle_response(resp)
  update_callback(result)

  self
end