Class: MarketBot::Android::App

Inherits:
Object
  • Object
show all
Defined in:
lib/market_bot/android/app.rb

Constant Summary collapse

MARKET_ATTRIBUTES = 
[:title, :rating, :updated, :current_version, :requires_android,
:category, :installs, :size, :price, :content_rating, :description,
:votes, :developer, :more_from_developer, :users_also_installed,
:related, :banner_icon_url, :banner_image_url, :website_url, :email,
:youtube_video_ids, :screenshot_urls, :whats_new, :permissions,
:rating_distribution, :html, :category_url, :full_screenshot_urls]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app_id, options = {}) ⇒ App

Returns a new instance of App.



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# File 'lib/market_bot/android/app.rb', line 142

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

Instance Attribute Details

#app_id ⇒ Object (readonly)

Returns the value of attribute app_id.



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# File 'lib/market_bot/android/app.rb', line 12

def app_id
  @app_id
end

#callback ⇒ Object (readonly)

Returns the value of attribute callback.



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# File 'lib/market_bot/android/app.rb', line 15

def callback
  @callback
end

#error ⇒ Object (readonly)

Returns the value of attribute error.



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# File 'lib/market_bot/android/app.rb', line 16

def error
  @error
end

#hydra ⇒ Object (readonly)

Returns the value of attribute hydra.



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# File 'lib/market_bot/android/app.rb', line 14

def hydra
  @hydra
end

Class Method Details

.parse(html) ⇒ Object 



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# File 'lib/market_bot/android/app.rb', line 18

def self.parse(html)
  result = {}

  doc = Nokogiri::HTML(html)
  meta_info = doc.css('.meta-info')
  meta_info.each do |info|
    field_name = info.css('.title').text.strip

    case field_name
      when 'Updated'
        result[:updated] = info.css('.content').text.strip
      when 'Installs'
        result[:installs] = info.css('.content').text.strip
      when 'Size'
        result[:size] = info.css('.content').text.strip
      when 'Current Version'
        result[:current_version] = info.css('.content').text.strip
      when 'Requires Android'
        result[:requires_android] = info.css('.content').text.strip
      when 'Content Rating'
        result[:content_rating] = info.css('.content').text.strip
      when 'Contact Developer', 'Developer'
        info.css('.dev-link').each do |node|
          node_href = node[:href]
          if node_href =~ /^mailto:/
            result[:email] = node_href.gsub(/^mailto:/,'')
          else
            if q_param = URI(node_href).query.split('&').select{ |p| p =~ /q=/ }.first
              actual_url = q_param.gsub('q=', '')
            end

            result[:website_url] = actual_url
          end
        end

    end
  end

  node = doc.xpath("//meta[@itemprop='price']").first
  result[:price] = node[:content].strip rescue 'Free'

  category_div = doc.css('.category').first
  result[:category] = category_div.text.strip rescue ''
  cat_link = category_div["href"]
  path, cat_name = File.split(cat_link)
  result[:category_url] = cat_name

  result[:description] = doc.xpath("//div[@itemprop='description']").first.inner_html.strip
  result[:title] = doc.xpath("//div[@itemprop='name']").first.text.strip

  score = doc.css('.score-container').first
  unless score.nil?
    node  = score.css('.score').first
    result[:rating] = node.text.strip
    node = score.xpath("//meta[@itemprop='ratingCount']").first
    result[:votes] = node[:content].strip
  end

  node = doc.xpath("//div[@itemprop='author']")
  result[:developer] = node.css('.primary').first.text.strip

  result[:more_from_developer] = []
  result[:users_also_installed] = []
  result[:related] = []

  node = doc.css('.recommendation')
  node.css('.rec-cluster').each do |recommended|
    assoc_app_type = recommended.css('.heading').first.text.strip.eql?('Similar' ) ? :related : :more_from_developer
    recommended.css('.card').each do |card|
      assoc_app = {}
      assoc_app[:app_id] = card['data-docid'].strip

      result[assoc_app_type] << assoc_app
    end
  end
  # Users also installed is no longer on the page, adding this for backwards compatibility, well, sort of....
  result[:users_also_installed] = result[:related]

  node = doc.css('.cover-image').first
  unless node.nil?
    result[:banner_icon_url] = node[:src]
    result[:banner_image_url] = node[:src]
  end

  result[:youtube_video_ids] = []
  doc.css('.play-action-container').each do |node|
    url = node['data-video-url']
    unless url.nil?
      result[:youtube_video_ids] << url.split('embed/').last.split('?').first
    end
  end

  result[:screenshot_urls] = []
  doc.css('.screenshot').each do |node|
    result[:screenshot_urls] << node[:src]
  end

  result[:full_screenshot_urls] = []
  doc.css('.full-screenshot').each do |node|
    result[:full_screenshot_urls] << node[:src]
  end        

  node = doc.css('.whatsnew').first
  result[:whats_new] = node.inner_html.strip unless node.nil?

  # Stubbing out for now, can't find them in the redesigned page.
  result[:permissions] = permissions = []

  result[:rating_distribution] = { 5 => nil, 4 => nil, 3 => nil, 2 => nil, 1 => nil }

  histogram = doc.css('div.rating-histogram')
  cur_index = 5
  %w(five four three two one).each do |slot|
    node = histogram.css(".#{slot.to_s}")
    result[:rating_distribution][cur_index] = node.css('.bar-number').text.gsub(/,/,'').to_i
    cur_index -= 1

  end

  result[:html] = html

  result
end

Instance Method Details

#enqueue_update(&block) ⇒ Object 



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# File 'lib/market_bot/android/app.rb', line 162

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

  request = Typhoeus::Request.new(market_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

#market_url ⇒ Object 



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# File 'lib/market_bot/android/app.rb', line 150

def market_url
  "https://play.google.com/store/apps/details?id=#{@app_id}&hl=en"
end

#update ⇒ Object 



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# File 'lib/market_bot/android/app.rb', line 154

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

  self
end