Initial commit

app/models/visualization/name_checker.rb

@@ -0,0 +1,23 @@
+require_relative './collection'
+
+module CartoDB
+  module Visualization
+    class NameChecker
+      def initialize(user)
+        @user = user
+      end
+
+      def available?(candidate)
+        !taken_names_for.include?(candidate)
+      end
+
+      private
+
+      def taken_names_for
+        @taken_names ||= Carto::Visualization::where(user_id: user.id).select(:name).map(&:name)
+      end
+
+      attr_reader :user
+    end # NameChecker
+  end # Visualization
+end # CartoDB