Class: PriceGrabberSource

Inherits:
Source
  • Object
show all
Defined in:
lib/sources/price_grabber_source.rb

Constant Summary

Constants inherited from Source

Source::SIMPLE_SOURCES_YAML_FILE

Instance Attribute Summary

Attributes inherited from Source

#batch_fetch_delay, #cpc, #for_product_info, #for_review_aggregates, #homepage, #mappable, #name, #offer_affiliate, #offer_enabled, #offer_ttl_seconds, #product_code_examples, #product_code_regexp, #product_page_link_erb, #search_token_separator, #search_url, #supports_lifetime_ratings, #use_for_merchant_ratings

Instance Method Summary collapse

Methods inherited from Source

affiliate_sources, #eql?, #fetch_offers, #hash, inherited, #keyname, keyname, keyname=, merchant_rating_sources, method_missing, #nullify_offer_url, offer_sources, #product_code_valid?, #product_page_link, source, sources, #to_s, #url_for_merchant_source_page_alt

Constructor Details

#initialize ⇒ PriceGrabberSource

Returns a new instance of PriceGrabberSource.



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# File 'lib/sources/price_grabber_source.rb', line 4

def initialize
  super(:name => 'PriceGrabber',
        :homepage => ' http://www.pricegrabber.com/',
        :cpc => 0,
        :offer_enabled => false,
        :offer_ttl_seconds => 0,
        :use_for_merchant_ratings => true,
        :offer_affiliate => false,
        :supports_lifetime_ratings => false,
        :batch_fetch_delay => 2,
        :product_code_regexp => /^\d{6,9}$/,
        :product_code_examples => ['716698181', '563043'],
        :product_page_link_erb => "http://reviews.pricegrabber.com/-/m/<%= product_code %>/")
end

Instance Method Details

#code_from_merchant_source_page_url(merchant_source_page_url) ⇒ Object 



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# File 'lib/sources/price_grabber_source.rb', line 23

def code_from_merchant_source_page_url(merchant_source_page_url)
  merchant_source_page_url.match(/pricegrabber\.com.*\/r[\/=](\d+)/)[1]
end

#fetch_merchant_source(merchant_source_page_url) ⇒ Object 



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# File 'lib/sources/price_grabber_source.rb', line 27

def fetch_merchant_source(merchant_source_page_url)
  delay_fetch
  doc = Hpricot(open(merchant_source_page_url))

  merchant_source = OpenStruct.new
  merchant_source.source = self

  merchant_identity_block = doc.at('div#merchantIdentityBlock')

  unless merchant_identity_block.nil?
    # merchant name
    element = merchant_identity_block.at('/h4')
    unless element.nil?
      name = element.inner_text.strip
      merchant_source.name = name
    end

    # merchant logo
    element = merchant_identity_block.at('/img')
    unless element.nil?
      logo_url = element.attributes['src']
      merchant_source.logo_url = logo_url
    end
  end

  # merchant code
  merchant_source.code = code_from_merchant_source_page_url(merchant_source_page_url)

  # merchant rating
  ratings = doc.search('table#scoreTable/tr/th[text() = "Avg Rating"]/../td')
  unless ratings.nil?
    unless ratings[0].nil?
      three_month_rating = ratings[0].inner_text.strip.to_f
      merchant_source.merchant_rating = (three_month_rating * 20).round
    end

    unless ratings[2].nil?
      lifetime_month_rating = ratings[2].inner_text.strip.to_f
      merchant_source.merchant_rating_lifetime = (lifetime_month_rating * 20).round
    end
  end

  # Num Merchant Reviews
  num_reviews = doc.search('table#scoreTable/tr/th[text() = "Total Reviews"]/../td')
  unless num_reviews.nil?
    unless num_reviews[0].nil?
      merchant_source.num_merchant_reviews = num_reviews[0].inner_text.strip.to_i
    end

    unless num_reviews[2].nil?
      merchant_source.num_merchant_reviews_lifetime = num_reviews[2].inner_text.strip.to_i
    end
  end

  # Homepage
  element = doc.at('table#contactTable//th[text() = "Website:"]/../td/a')
  unless element.nil?
    homepage = element.inner_text.strip.downcase
    merchant_source.homepage = homepage
  end

  merchant_source
end

#format_rating(merchant_source) ⇒ Object 



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# File 'lib/sources/price_grabber_source.rb', line 91

def format_rating(merchant_source)
  '%01.2f/5.0' % (merchant_source.get_merchant_rating.to_f / 20.0)
end

#url_for_merchant_source_page(merchant_source_code) ⇒ Object 



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# File 'lib/sources/price_grabber_source.rb', line 19

def url_for_merchant_source_page(merchant_source_code)
  "http://www.pricegrabber.com/info_retailer.php/r=#{merchant_source_code}"
end