kindle-highlights.rb in kindle-highlights-0.0.4

- old
+ new
@@ -31,18 +31,29 @@
 
 class KindleHighlight::Highlight
 
 	attr_accessor :annotation_id, :asin, :author, :title, :content
 
+	@@amazon_items = Hash.new
+
 	def initialize(highlight)
 		self.annotation_id = highlight.xpath("form/input[@id='annotation_id']").attribute("value").value 
 		self.asin = highlight.xpath("p/span[@class='hidden asin']").text
 		self.content = highlight.xpath("span[@class='highlight']").text
-		@request = Request.new
-		@request.locale = 'us'
-		@response = ResponseGroup.new('Medium')
-		lookup = Amazon::AWS::ItemLookup.new('ASIN', {'ItemId' => self.asin, 'MerchantId' => 'Amazon'})
-		item = @request.search(lookup, @response).item_lookup_response[0].items.item.first
-		self.author = item.item_attributes.author.first.to_s
-		self.title = item.item_attributes.title.first.to_s
+		amazon_item = lookup_or_get_from_cache(self.asin)
+		self.author = amazon_item.item_attributes.author.to_s
+		self.title = amazon_item.item_attributes.title.to_s
+	end
+
+	def lookup_or_get_from_cache(asin)
+		unless @@amazon_items.has_key? (asin)
+			request = Request.new
+			request.locale = 'us'
+			response = ResponseGroup.new('Medium')
+			lookup = Amazon::AWS::ItemLookup.new('ASIN', {'ItemId' => asin, 'MerchantId' => 'Amazon'})
+			puts amazon_item = request.search(lookup, response).item_lookup_response[0].items.inspect
+			amazon_item = request.search(lookup, response).item_lookup_response[0].items.item.first
+			@@amazon_items[asin] = amazon_item
+		end
+		@@amazon_items[asin]
 	end
 end
\ No newline at end of file