tips.rb in gratitude-0.1.0

- old
+ new

@@ -1,36 +1,53 @@
+# encoding: utf-8
+
 module Gratitude
   class Client
     module Tips
-
       def current_tips
-        faraday.get(tips_url).body
+        begin
+          response = faraday.get(tips_url)
+        rescue Faraday::Error::ParsingError
+          raise AuthenticationError
+        end
+        response.body
       end
 
       def current_tips_total
         current_tips.inject(0) { |total, tip| total + tip["amount"].to_f }
       end
 
       def update_tips(array_of_hashes_with_usernames_and_amounts)
-        faraday.post do |request|
-          payload_for(request, array_of_hashes_with_usernames_and_amounts)
-        end.body
+        post_tips_to_gittip(array_of_hashes_with_usernames_and_amounts)
       end
 
       def update_tips_and_prune(array_of_hashes_with_usernames_and_amounts)
-        faraday.post do |request|
-          payload_for(request, array_of_hashes_with_usernames_and_amounts)
-          request.params = { :also_prune => "true"}
-        end.body
+        post_tips_to_gittip(
+          array_of_hashes_with_usernames_and_amounts, prune: true
+        )
       end
 
-    private
+      private
 
       def tips_url
         "/#{username}/tips.json"
       end
 
+      def post_tips_to_gittip(array_of_hashes, options = {})
+        response = faraday_post_response(array_of_hashes, options)
+        return_response_body_or_raise_update_error(response)
+      end
+
+      def faraday_post_response(array_of_hashes, options = {})
+        faraday.post do |request|
+          payload_for(request, array_of_hashes)
+          request.params = { also_prune: "true" } if options[:prune] == true
+        end
+      rescue
+        raise AuthenticationError
+      end
+
       def payload_for(request, array_of_hashes)
         request.url(tips_url)
         request.body = prepared_tips_array(array_of_hashes).to_json
       end
 
@@ -48,8 +65,23 @@
           "platform" => "gittip",
           "username" => "#{username}"
         }
       end
 
+      def return_response_body_or_raise_update_error(response)
+        if usernames_with_errors(response.body).size > 0
+          raise TipUpdateError, usernames_with_errors(response.body)
+        else
+          response.body
+        end
+      end
+
+      def usernames_with_errors(response_body)
+        response_body.each_with_object([]) do |user_tip_response, array|
+          if user_tip_response.key?("error")
+            array << user_tip_response["username"]
+          end
+        end
+      end
     end # Tips
   end # Client
 end # Gratitude