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Website : rimsha.abasa.com
: / var / canvas / lib /
Filename : timed_cache.rb
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# frozen_string_literal: true

#
# Copyright (C) 2014 - present Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, version 3 of the License.
#
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.

class TimedCache
  def initialize(timeout, &block)
    @timeout = timeout
    @block = block
    @cached_at = Time.now
  end

  def clear(force = false)
    if force || @cached_at < @timeout.call
      @block.call
      @cached_at = Time.now
      true
    else
      false
    end
  end
end