Class: Decidim::CacheCleaner::CacheManager

Inherits:
Object
  • Object
show all
Defined in:
lib/decidim/cache_cleaner/cache_manager.rb

Constant Summary collapse

TEST_KEY = 
::Digest::SHA1.hexdigest("cache_test_key")
TEST_VALUE = 
::Digest::SHA1.hexdigest("cache_test_value")

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CacheManager

Returns a new instance of CacheManager.



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# File 'lib/decidim/cache_cleaner/cache_manager.rb', line 11

def initialize
  @cache = Rails.cache
end

Instance Method Details

#activated? ⇒ Boolean Also known as: ensure_clearness

Returns:

  • (Boolean) 


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# File 'lib/decidim/cache_cleaner/cache_manager.rb', line 15

def activated?
  @cache.write(TEST_KEY, TEST_VALUE)
  yield if block_given?
  @cache.read(TEST_KEY) == TEST_VALUE
end

#cache_store ⇒ Object 



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# File 'lib/decidim/cache_cleaner/cache_manager.rb', line 35

def cache_store
  @cache.class.name
end

#clear! ⇒ Object 



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# File 'lib/decidim/cache_cleaner/cache_manager.rb', line 27

def clear!
  return unless clearable?

  !ensure_clearness do
    @cache.clear
  end
end

#clearable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/decidim/cache_cleaner/cache_manager.rb', line 23

def clearable?
  @cache.respond_to?(:clear)
end