Class: EpinionsSource

Inherits:
Source
  • Object
show all
Defined in:
lib/sources/epinions_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 ⇒ EpinionsSource

Returns a new instance of EpinionsSource.



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

def initialize
  super(:name => 'Epinions',
        :homepage => 'http://www.epinions.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 => 1,
        :product_code_regexp => /^\d{4,10}$/,
        :product_code_examples => ['44393573', '37469715'])
end

Instance Method Details

#code_from_merchant_source_page_url(merchant_source_page_url) ⇒ Object 



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# File 'lib/sources/epinions_source.rb', line 22

def code_from_merchant_source_page_url(merchant_source_page_url)
  merchant_source_page_url.match(/epinions\.com\/([^\/\?#]*)/)[1]
end

#fetch_merchant_source(merchant_source_page_url) ⇒ Object 



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# File 'lib/sources/epinions_source.rb', line 26

def fetch_merchant_source(merchant_source_page_url)
  merchant_source_page_url.gsub!(/\/display_~.*$/, '')
  delay_fetch
  doc = Hpricot(open(merchant_source_page_url))

  merchant_source = OpenStruct.new
  merchant_source.source = self

  # merchant name
  element = doc.at('h1[@class = "title"]')
  unless element.nil?
    name = element.inner_text.strip
    merchant_source.name = name
  end

  # merchant logo
  element = doc.at('img[@name = "product_image"]')
  unless element.nil?
    logo_url = element.attributes['src']
    logo_url.gsub!(/-resized\d+/, '')
    merchant_source.logo_url = logo_url
  end

  # merchant code
  merchant_source.code = code_from_merchant_source_page_url(merchant_source_page_url)

  # merchant rating
  element = doc.at('span[text() *= "Overall store rating:"]/../img')
  element = doc.at('span[text() *= "Overall service rating:"]/../img') if element.nil?
  unless element.nil?
    merchant_rating = element.attributes['alt'].match(/Store Rating: ((\d|,)*\.?\d)/)[1]
    merchant_source.merchant_rating = merchant_rating.to_f * 20.0 unless merchant_rating.nil?
  end

  # Num Merchant Reviews
  element = doc.at('span[@class = "sgr"]')
  unless element.nil?
    num_merchant_reviews = element.inner_text.match(/Reviewed by (\d+) customer/)[1]
    merchant_source.num_merchant_reviews = num_merchant_reviews.delete(',').to_i unless num_merchant_reviews.nil? || num_merchant_reviews.empty?
  end

  # Homepage
  element = doc.at('span[text() = "Web Site"]../../td[2]/span/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/epinions_source.rb', line 77

def format_rating(merchant_source)
  '%01.1f/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/epinions_source.rb', line 18

def url_for_merchant_source_page(merchant_source_code)
  "http://www.epinions.com/#{merchant_source_code}"
end