Initial commit

app/models/visualization/name_generator.rb

@@ -0,0 +1,26 @@
+require_relative './name_checker'
+
+module CartoDB
+  module Visualization
+    class NameGenerator
+      PATTERN = 'Untitled map'
+
+      def initialize(user, checker=nil)
+        @user     = user
+        @checker  = checker || NameChecker.new(user)
+      end
+
+      def name(candidate=PATTERN, iteration=0)
+        candidate = (candidate || PATTERN).strip
+        new_candidate = iteration > 0 ? "#{candidate} #{iteration}" : candidate
+        return new_candidate if checker.available?(new_candidate)
+
+        name(candidate, iteration + 1)
+      end
+
+      private
+
+      attr_reader :checker, :user
+    end
+  end
+end