Class: ShopzillaAPI

Inherits:
Object
  • Object
show all
Defined in:
lib/api_helpers/shopzilla_api.rb

Constant Summary collapse

@@default_api_call_timeout = 
25

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ShopzillaAPI

Returns a new instance of ShopzillaAPI.



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# File 'lib/api_helpers/shopzilla_api.rb', line 12

def initialize
  @logger = Logger.new(STDERR)
end

Instance Attribute Details

#api_call_timeout ⇒ Object

Returns the value of attribute api_call_timeout.



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# File 'lib/api_helpers/shopzilla_api.rb', line 10

def api_call_timeout
  @api_call_timeout
end

Class Method Details

.default_api_call_timeout=(obj) ⇒ Object 



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# File 'lib/api_helpers/shopzilla_api.rb', line 7

def self.default_api_call_timeout=(obj)
  @@default_api_call_timeout = obj
end

Instance Method Details

#find_offers_by_product_id(product_id) ⇒ Object

Find all offers for a product given the (shopzilla) product_id



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# File 'lib/api_helpers/shopzilla_api.rb', line 17

def find_offers_by_product_id(product_id)
  result = make_offer_service_request(product_id)
  offers = {}
  unless result.nil?
    merchant_offers = result / 'Products/Product/Offers/Offer'
    merchant_offers.each do |offer|
      merchant_id = offer.attributes['merchantId']
      merchant_name = safe_inner_text(offer.at('merchantName'))
      merchant_rating_elem = offer.at('MerchantRating')
      merchant_rating = normalize_merchant_rating(merchant_rating_elem.attributes['value'].to_f) unless merchant_rating_elem.nil?
      price = get_price_from_node(offer.at('price'))
      shipping = get_price_from_node(offer.at('shipAmount'))
      url = safe_inner_text(offer.at('url'))
      condition = safe_inner_text(offer.at('condition'))
      stock = safe_inner_text(offer.at('stock'))
      if is_likely_new_condition?(condition) && is_likely_in_stock?(stock)
        offers[merchant_id] = { :merchant_code => merchant_id,
                                :merchant_name => safe_unescape_html(merchant_name),
                                :merchant_logo_url => "http://img.bizrate.com/merchant/#{merchant_id}.gif",
                                :cpc => nil,
                                :price => price,
                                :shipping => shipping,
                                :offer_url => safe_unescape_html(url),
                                :offer_tier => 1,
                                :merchant_rating => merchant_rating,
                                :num_merchant_reviews => nil }
      end
    end
  end
  offers.values
end

#logo_url(merchant_id) ⇒ Object 



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# File 'lib/api_helpers/shopzilla_api.rb', line 107

def logo_url(merchant_id)
  "http://img.bizrate.com/merchant/#{merchant_id}.gif"
end

#merchant_source_detail(merchant_id) ⇒ Object

This method makes a separate API call to get merchant detail info. It returns a hash that is aligned with the merchant_source model



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# File 'lib/api_helpers/shopzilla_api.rb', line 55

def merchant_source_detail(merchant_id)
  result = make_merchant_service_request(merchant_id)
  return nil if result.nil?
  merchant_element = result / ("Merchants/Merchant[@id=#{merchant_id}]")
  merchant_source = {}
  merchant_source[:source] = 'shopzilla'
  merchant_source[:code] = merchant_id.to_s
  merchant_source[:name] = safe_inner_text(merchant_element.at('name'))
  logo_url = logo_url(merchant_id)
  if verify_logo_url(logo_url)
    merchant_source[:logo_url] = logo_url
  end

  # rating will not exist if unrated (although "unrated" will -- doh!)
  rated = false
  begin
    rating_elem = merchant_element.at('/Rating/Overall')
    unless rating_elem.nil?
      rated = true
      merchant_source[:merchant_rating] = normalize_merchant_rating(rating_elem.attributes['value'].to_f)
    end
  rescue
    merchant_source[:merchant_rating] = 0
  end
  # There are about 38 ways this could fail, so rescue any baddies
  begin
    # URL provided is an entity escaped url to shopzilla/bizrate for example
    # http://www.bizrate.com/rd?t=http%3A%2F%2Fwww.pcnation.com%2Fasp%2Findex.asp%3Faffid%3D308&mid=31427&cat_id=&prod_id=350513557&oid=&pos=1&b_id=18&rf=af1&af_id=3973&af_creative_id=6&af_assettype_id=10&af_placement_id=1
    # http://www.bizrate.com/rd?t=http%3A%2F%2Fad.doubleclick.net%2Fclk%3B23623113%3B12119329%3Bs%3Fhttp%3A%2F%2Fwww.staples.com%2Fwebapp%2Fwcs%2Fstores%2Fservlet%2Fhome%3FstoreId%3D10001%26langId%3D-1%26cm_mmc%3Donline_bizrate-_-search-_-staples_brand-_-staples.com&mid=370&cat_id=&prod_id=&oid=&pos=1&b_id=18&rf=af1&af_id=3973&af_creative_id=6&af_assettype_id=10&af_placement_id=1
    # http://www.bizrate.com/rd?t=http%3A%2F%2Fwww.tigerdirect.com%2Findex.asp%3FSRCCODE%3DBIZRATE&mid=23939&cat_id=&prod_id=&oid=&pos=1&b_id=18&rf=af1&af_id=3973&af_creative_id=6&af_assettype_id=10&af_placement_id=1
    # http://www.bizrate.com/rd?t=http%3A%2F%2Fad.doubleclick.net%2Fclk%3BNEW_1%3B6928611%3Ba%3Fhttp%3A%2F%2Fwww.officedepot.com&mid=814&cat_id=&prod_id=&oid=&pos=1&b_id=18&rf=af1&af_id=3973&af_creative_id=6&af_assettype_id=10&af_placement_id=1
    redir_url = CGI::unescape(merchant_element.at('url').inner_text)
    # the query string will contain a value at the "t" parameter
    t_param_value = redir_url.match(/(\?|&)t=(.+)/)[2]
    if t_param_value.index('doubleclick').nil?
      homepage = t_param_value.match(/https?:\/\/(.+?)(\/|&|\?|$)/)[1]
    else
      homepage = t_param_value.match(/.+https?:\/\/(.+?)(\/|&|\?|$)/)[1]
    end
    merchant_source[:homepage] = "http://#{homepage}/"
  rescue
    merchant_source[:homepage] = nil
  end
  # now, we just need the number of reviews
  if rated
    num_merchant_reviews = safe_inner_text(merchant_element.at('Details/surveyCount'))
    num_merchant_reviews = (num_merchant_reviews.nil? || num_merchant_reviews.empty?) ? 0 : num_merchant_reviews.to_i
    merchant_source[:num_merchant_reviews] = num_merchant_reviews
  end
  merchant_source
end

#normalize_merchant_rating(merchant_rating) ⇒ Object 



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# File 'lib/api_helpers/shopzilla_api.rb', line 49

def normalize_merchant_rating(merchant_rating)
  merchant_rating.nil? ? nil : (merchant_rating * 10.0).round
end

#verified_logo_url(merchant_id) ⇒ Object 



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# File 'lib/api_helpers/shopzilla_api.rb', line 111

def verified_logo_url(merchant_id)
  logo_url = logo_url(merchant_id)
  verify_logo_url(logo_url) ? logo_url : nil
end