Class: DmgAndroidApi::Android::App

Inherits:
Object
  • Object
show all
Defined in:
lib/dmg_android_api/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]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

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



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# File 'lib/dmg_android_api/android/app.rb', line 169

def initialize(app_id, options={})
  @app_id = app_id
  @hydra = options[:hydra] || DmgAndroidApi.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/dmg_android_api/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/dmg_android_api/android/app.rb', line 15

def callback
  @callback
end

#error ⇒ Object (readonly)

Returns the value of attribute error.



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

def error
  @error
end

#hydra ⇒ Object (readonly)

Returns the value of attribute hydra.



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

def hydra
  @hydra
end

Class Method Details

.parse(html) ⇒ Object 



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

def self.parse(html)
  result = {}

  doc = Nokogiri::HTML(html)

  extra_info = doc.css('.meta-info')

  extra_info.each do |info|

    field_name  = info.css('.title').text

    case field_name
    when 'Updated'
      result[:updated] = info.css('.content').text
    when 'Current Version'
      result[:current_version] = info.css('.content').text
    when 'Requires Android'
      result[:requires_android] = info.css('.content').text
    when 'Category'
      result[:category] = info.css('.content').text
    when 'Installs'
      result[:installs] = info.css('.content').text
    when 'Size'
      result[:size] = info.css('.content').text
    when 'Content Rating'
      result[:content_rating] = info.css('.content').text
    end
  end
  result[:description] = doc.css('.text-body div').first.inner_html

  result[:title] = doc.css('.document-title').first.text

  rating_elem = doc.css('.score')
  result[:rating] = rating_elem.text unless rating_elem.empty?

  votes_elem = doc.css('.reviews-num')
  result[:votes] = votes_elem.text unless votes_elem.empty?

  result[:developer] = doc.css('.document-subtitle.primary').text

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

  price_info = doc.css('.buy-button-container.apps.medium.play-button')

  price_span = price_info.css('meta[itemprop="price"]').first

  if price_span.attributes['content'].text  == 'Free'
      result[:price] = '0'
  else
    result[:price] = price_span.attributes['content'].text
  end
  if similar_elem = doc.css('.doc-similar').first
    similar_elem.children.each do |similar_elem_child|
      assoc_app_type = similar_elem_child.attributes['data-analyticsid'].text

      next unless %w(more-from-developer users-also-installed related).include?(assoc_app_type)

      assoc_app_type = assoc_app_type.gsub('-', '_').to_sym
      result[assoc_app_type] ||= []

      similar_elem_child.css('.app-left-column-related-snippet-container').each do |app_elem|
        assoc_app = {}

        assoc_app[:app_id] = app_elem.attributes['data-docid'].text

        result[assoc_app_type] << assoc_app
      end
    end
  end

  result[:banner_icon_url] = doc.css('.cover-container img').first.attributes['src'].value

  if image_elem = doc.css('.doc-banner-image-container img').first
    result[:banner_image_url] = image_elem.attributes['src'].value
  else
    result[:banner_image_url] = nil
  end

  if website_elem = doc.css('a').select{ |l| l.text.include?("Visit Developer's Website")}.first
    redirect_url = website_elem.attribute('href').value

    if q_param = URI(redirect_url).query.split('&').select{ |p| p =~ /q=/ }.first
      actual_url = q_param.gsub('q=', '')
    end

    result[:website_url] = actual_url
  end

  if email_elem = doc.css('a').select{ |l| l.text.include?("Email Developer")}.first
    result[:email] = email_elem.attribute('href').value.gsub(/^mailto:/, '')
  end

  unless (video_section_elem = doc.css('.doc-video-section')).empty?
    urls = video_section_elem.children.css('embed').map{ |e| e.attribute('src').value }
    result[:youtube_video_ids] = urls.map{ |u| /youtube\.com\/v\/(.*)\?/.match(u)[1] }
  else
    result[:youtube_video_ids] = []
  end

  
  screenshots = doc.css('.thumbnails img')

  if screenshots && screenshots.length > 0
    result[:screenshot_urls] = screenshots.map { |s| s.attributes['src'].value }
  else
    result[:screenshot_urls] = []
  end

  recent_changes = doc.css('.recent-change')
  result[:whats_new] = ''
  recent_changes.each do |change|

    result[:whats_new] << change.text
    result[:whats_new] << '<br>'

  end
  result[:permissions] = permissions = []
  perm_types = ['dangerous', 'safe']
  perm_types.each do |type|
    doc.css("#doc-permissions-#{type} .doc-permission-group").each do |group_elem|
      title = group_elem.css('.doc-permission-group-title').text
      group_elem.css('.doc-permission-description').each do |desc_elem|
        #permissions << { :security => type, :group => title, :description => desc_elem.text }
      end
      descriptions = group_elem.css('.doc-permission-description').map { |e| e.text }
      descriptions_full = group_elem.css('.doc-permission-description-full').map { |e| e.text }
      (0...descriptions.length).each do |i|
        desc = descriptions[i]
        desc_full = descriptions_full[i]
        permissions << { :security => type, :group => title, :description => desc, :description_full => desc_full }
      end
    end
  end

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

  if (histogram = doc.css('div.histogram-table').first)
    cur_index = 5
    histogram.css('tr').each do |e|
      result[:rating_distribution][cur_index] = e.children.last.inner_text.gsub(/[^0-9]/, '').to_i
      cur_index -= 1
    end
  end

  result[:html] = html

  result
end

Instance Method Details

#enqueue_update(&block) ⇒ Object 



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# File 'lib/dmg_android_api/android/app.rb', line 189

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

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

  request.on_complete do |response|
    # HACK: Typhoeus <= 0.4.2 returns a response, 0.5.0pre returns the request.
    response = response.response if response.is_a?(Typhoeus::Request)

    result = nil

    begin
      result = App.parse(response.body)
    rescue Exception => e
      @error = e
    end

    update_callback(result)
  end

  hydra.queue(request)

  self
end

#market_url ⇒ Object 



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# File 'lib/dmg_android_api/android/app.rb', line 177

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

#update ⇒ Object 



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# File 'lib/dmg_android_api/android/app.rb', line 181

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

  self
end