Class: ShopzillaSource

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

Constant Summary collapse

SHOPZILLA_SEARCH_PAGE = 
'http://www.bizrate.com/ratings_guide/guide.html'
SHOPZILLA_SEARCH_ACTION = 
'http://www.bizrate.com/merchant/results.xpml'

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

Constructor Details

#initialize ⇒ ShopzillaSource

Returns a new instance of ShopzillaSource.



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# File 'lib/sources/shopzilla_source.rb', line 5

def initialize
  super(:name => 'Shopzilla',
        :homepage => 'http://www.shopzilla.com/',
        :cpc => 39,
        :offer_enabled => false,
        :offer_ttl_seconds => 1800,
        :use_for_merchant_ratings => true,
        :offer_affiliate => false,
        :supports_lifetime_ratings => false,
        :batch_fetch_delay => 1,
        :product_code_regexp => /^\d{7,11}$/,
        :product_code_examples => ['1028968032', '852926140'],
        :product_page_link_erb => "http://www.shopzilla.com/-/<%= product_code %>/shop")
end

Instance Method Details

#add_merchant_source_from_store(merchant_sources, store) ⇒ Object 



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# File 'lib/sources/shopzilla_source.rb', line 81

def add_merchant_source_from_store(merchant_sources, store)
  name = store.text
  merchant_code = CGI.parse(URI.parse(store['href']).query)['mid']
  logo_url = api.verified_logo_url(merchant_code)
  existing_merchant_source = MerchantSource.find_by_source_and_code(self, merchant_code)
  if existing_merchant_source.nil?
    merchant_sources << OpenStruct.new({:source => self, :name => name, :code => merchant_code, :logo_url => logo_url})
  else
    merchant_sources << existing_merchant_source
  end
end

#api ⇒ Object 



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# File 'lib/sources/shopzilla_source.rb', line 101

def api
  @api ||= ShopzillaAPI.new
end

#code_from_merchant_source_page_url(merchant_source_page_url) ⇒ Object 



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# File 'lib/sources/shopzilla_source.rb', line 24

def code_from_merchant_source_page_url(merchant_source_page_url)
  merchant_source_page_url.match /6[A-Z](\-\-.*)?_\-_mid\-\-(\d+)/i
  $2
end

#fetch_merchant_source(merchant_source_page_url) ⇒ Object 



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# File 'lib/sources/shopzilla_source.rb', line 29

def fetch_merchant_source(merchant_source_page_url)
  delay_fetch
  merchant_source = OpenStruct.new
  merchant_source.source = self

  merchant_code = code_from_merchant_source_page_url(merchant_source_page_url)
  merchant_source_detail = api.merchant_source_detail(merchant_code)

  unless merchant_source_detail.nil?
    merchant_source.code = merchant_source_detail[:code]
    merchant_source.name = merchant_source_detail[:name]
    merchant_source.logo_url = merchant_source_detail[:logo_url]
    merchant_source.merchant_rating = merchant_source_detail[:merchant_rating]
    merchant_source.homepage = merchant_source_detail[:homepage]
    merchant_source.num_merchant_reviews = merchant_source_detail[:num_merchant_reviews]
  end
  merchant_source
end

#fetch_offers(product_code) ⇒ Object 



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# File 'lib/sources/shopzilla_source.rb', line 105

def fetch_offers(product_code)
  api.find_offers_by_product_id(product_code)
end

#format_rating(merchant_source) ⇒ Object 



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# File 'lib/sources/shopzilla_source.rb', line 93

def format_rating(merchant_source)
  '%01.1f/10' % (merchant_source.get_merchant_rating.to_f / 10.0)
end

#nullify_offer_url(offer_url) ⇒ Object 



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# File 'lib/sources/shopzilla_source.rb', line 97

def nullify_offer_url(offer_url)
  offer_url.gsub(/af_id=3973/, 'af_id=3233')
end

#search_for_merchant_source(search_text) ⇒ Object 



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# File 'lib/sources/shopzilla_source.rb', line 50

def search_for_merchant_source(search_text)
  merchant_sources = []

  agent = WWW::Mechanize.new
  agent.html_parser = Nokogiri::HTML
  agent.user_agent_alias = 'Windows IE 7'
  agent.follow_meta_refresh = true

  search_page = agent.get(SHOPZILLA_SEARCH_PAGE)
  if form = search_page.form_with(:action => /superfind/)
    # Must switch the action given in the form, because BizRate does exactly this in JavaScript
    form.action = SHOPZILLA_SEARCH_ACTION
    form['SEARCH_GO'] = 'Find it!'
    form.keyword = search_text
    if result = form.submit
      if single_store = result.at('table[id="merchant_overview"]')
        if store = single_store.at('div[class="certified"] strong a')
          add_merchant_source_from_store(merchant_sources, store)
        end
      elsif stores_rated_list = result.at('div[class="storesRatedList"]')
        if stores = stores_rated_list.search('th a')
          stores.each do |store|
            add_merchant_source_from_store(merchant_sources, store)
          end
        end
      end
    end
  end
  merchant_sources
end

#url_for_merchant_source_page(merchant_source_code) ⇒ Object 



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# File 'lib/sources/shopzilla_source.rb', line 20

def url_for_merchant_source_page(merchant_source_code)
  "http://www.shopzilla.com/6E_-_mid--#{merchant_source_code}"
end