lib/proxes/helpers/indices.rb in proxes-0.9.2 vs lib/proxes/helpers/indices.rb in proxes-0.9.4

@@ -1,17 +1,33 @@
 # frozen_string_literal: true
 
+require 'active_support'
+require 'active_support/core_ext/object/blank'
+
 module ProxES
   module Helpers
     module Indices
       def filter(asked, against)
-        return against.map { |a| a.gsub(/\.\*/, '*') } if asked == ['*'] || asked == [] || asked.nil?
+        return against.map { |a| a.gsub(/\.\*/, '*') } if asked == ['*'] || asked.blank?
 
         answer = []
         against.each do |pattern|
           answer.concat(asked.select { |idx| idx =~ /#{pattern}/ })
         end
         answer
+      end
+
+      def patterns
+        return [] if user.nil?
+        patterns_for('INDEX').map do |permission|
+          return nil if permission.pattern.blank?
+          permission.pattern.gsub(/\{user.(.*)\}/) { |_match| user.send(Regexp.last_match[1].to_sym) }
+        end.compact
+      end
+
+      def patterns_for(action)
+        return [] if user.nil?
+        Permission.for_user(user, action)
       end
     end
   end
 end