Class: Kansou::AppStoreReview

Inherits:
Object
  • Object
show all
Defined in:
lib/kansou/app_store_review.rb

Instance Method Summary collapse

Constructor Details

#initialize(app_id) ⇒ AppStoreReview

Returns a new instance of AppStoreReview.



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# File 'lib/kansou/app_store_review.rb', line 6

def initialize(app_id)
  return nil unless app_id

  @app_id = app_id
end

Instance Method Details

#download(page = 0) ⇒ Object 



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# File 'lib/kansou/app_store_review.rb', line 21

def download(page=0)
  base_url = "https://itunes.apple.com"
  user_agent = "iTunes/9.2 (Windows; Microsoft Windows 7 "\
                            + "Home Premium Edition (Build 7600)) AppleWebKit/533.16"

  url = base_url + "/WebObjects/MZStore.woa/wa/viewContentsUserReviews?id="\
    + @app_id.to_s + "&pageNumber="+page.to_s+"&sortOrdering=4&type=Purple+Software"
  xml = open(url, 'User-Agent' => user_agent, 'X-Apple-Store-Front' => '143462-1').read
  return xml
end

#fetch(page_amount = 1) ⇒ Object 



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# File 'lib/kansou/app_store_review.rb', line 11

def fetch(page_amount=1)
  reviews = []
  max_page = page_amount - 1
  (0..max_page).each do |page|
    xml = download(page)
    reviews.concat(parse(xml))
  end
  return reviews
end

#get_version(text) ⇒ Object 



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# File 'lib/kansou/app_store_review.rb', line 99

def get_version(text)
  version = nil
  if /Version([\d\.]+)/ =~ text
    version = $1
  end
  return version
end

#parse(xml) ⇒ Object 



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# File 'lib/kansou/app_store_review.rb', line 32

def parse(xml)
  items = []
  users = []
  versions = []
  dates = []
  i = 0
  document = Oga.parse_xml(xml)

  expression = 'TextView[topInset="0"][styleSet="basic13"][squishiness="1"][leftInset="0"][truncation="right"][textJust="left"][maxLines="1"]'
  document.css(expression).each do |elm|
    if elm.text =~ /by/
      tmp_array = elm.text.gsub(" ", "").split("\n")
      info = []
      tmp_array.each do |v|
        if v!=""&&v!="-"&&v!="by"
          info.push v
        end
      end
      users.push info[0]

      if info[1]
        versions.push(get_version(info[1]))
      else
        versions.push("")
      end

      if info[2]
        dates.push(info[2])
      else
        dates.push("")
      end
    end
  end

  titles = []
  document.css('TextView[styleSet="basic13"][textJust="left"][maxLines="1"]').each do |elm|
    elm.css('b').each do |e|
      titles.push e.text
    end
  end

  stars = []
  document.css('HBoxView[topInset="1"]').each do |elm|
    stars.push elm.attribute("alt").value.gsub(/ stars*/,"")
  end

  bodies = []
  document.css('TextView[styleSet="normal11"]').each do |elm|
    bodies.push(elm.text.gsub("\n", "<br />"))
  end

  count = stars.size - 1
  (0..count).each do |key|
    item = {
      :star => stars[key],
      :user => users[key],
      :date => dates[key],
      :title => titles[key],
      :body => bodies[key],
      :version => versions[key],
      :app_id => @app_id
    }
    items.push(item)
  end
  return items
end