Remove duplication in Twitter::API::Timelines

lib/twitter/api/timelines.rb

@@ -99,10 +99,8 @@ def retweeted_by_user(user, options={})
       # @example Return the 20 most recent retweets posted by the authenticating user
       #   Twitter.retweeted_by_me
       def retweeted_by_me(options={})
-        options[:include_rts] = true
-        count = options[:count] || DEFAULT_TWEETS_PER_REQUEST
-        collect_with_count(count) do |count_options|
-          select_retweets(user_timeline(options.merge(count_options)))
+        retweets_from_timeline(options) do |options|
+          user_timeline(options)
         end
       end
 
@@ -148,10 +146,8 @@ def home_timeline(options={})
       # @example Return the 20 most recent retweets posted by users followed by the authenticating user
       #   Twitter.retweeted_to_me
       def retweeted_to_me(options={})
-        options[:include_rts] = true
-        count = options[:count] || DEFAULT_TWEETS_PER_REQUEST
-        collect_with_count(count) do |count_options|
-          select_retweets(home_timeline(options.merge(count_options)))
+        retweets_from_timeline(options) do |options|
+          home_timeline(options)
         end
       end
 
@@ -202,6 +198,14 @@ def collect_with_count(count, &block)
         end.flatten.compact[0...count]
       end
 
+      def retweets_from_timeline(options)
+        options[:include_rts] = true
+        count = options[:count] || DEFAULT_TWEETS_PER_REQUEST
+        collect_with_count(count) do |count_options|
+          select_retweets(yield(options.merge(count_options)))
+        end
+      end
+
       # @param tweets [Array]
       # @return [Array]
       def select_retweets(tweets)