Contents

# -*- encoding : utf-8 -*-

module Reactor
  module Cache
    class Permission
      BACKING_CACHE_EXPIRATION = 5

      def self.instance
        self.new
      end

      def initialize
        @@backing_storage ||= ActiveSupport::Cache::MemoryStore.new({ size: 1.megabyte })
      end

      def lookup(user, key, &block)
        cache_entry = @@backing_storage.fetch(user.to_s, :expires_in => BACKING_CACHE_EXPIRATION.minutes) do
          {key => block.call}
        end
        if cache_entry.key?(key)
          cache_entry[key]
        else
          result = block.call
          @@backing_storage.write(user.to_s, cache_entry.merge({key => result}), :expires_in => BACKING_CACHE_EXPIRATION.minutes)
          result
        end
      end


      def invalidate(user)
        @@backing_storage.delete(user.to_s)
      end
    end
  end
end

Version data entries

27 entries across 27 versions & 1 rubygems

Version	Path
infopark_reactor-1.26.1	lib/reactor/cache/permission.rb
infopark_reactor-1.26.0	lib/reactor/cache/permission.rb
infopark_reactor-1.25.2	lib/reactor/cache/permission.rb
infopark_reactor-1.25.1	lib/reactor/cache/permission.rb
infopark_reactor-1.25.0	lib/reactor/cache/permission.rb
infopark_reactor-1.24.1	lib/reactor/cache/permission.rb
infopark_reactor-1.24.0	lib/reactor/cache/permission.rb
infopark_reactor-1.23.1	lib/reactor/cache/permission.rb
infopark_reactor-1.23.0	lib/reactor/cache/permission.rb
infopark_reactor-1.23.0.beta2	lib/reactor/cache/permission.rb
infopark_reactor-1.22.6	lib/reactor/cache/permission.rb
infopark_reactor-1.22.5	lib/reactor/cache/permission.rb
infopark_reactor-1.22.4	lib/reactor/cache/permission.rb
infopark_reactor-1.22.3	lib/reactor/cache/permission.rb
infopark_reactor-1.22.2	lib/reactor/cache/permission.rb
infopark_reactor-1.22.1	lib/reactor/cache/permission.rb
infopark_reactor-1.22.0	lib/reactor/cache/permission.rb
infopark_reactor-1.21.0	lib/reactor/cache/permission.rb
infopark_reactor-1.20.4	lib/reactor/cache/permission.rb
infopark_reactor-1.20.3	lib/reactor/cache/permission.rb