Module: Cardiac::Model::CacheDecoration::ClassMethods

Defined in:
lib/cardiac/model/cache_decoration.rb

Constant Summary collapse

MODEL_CACHE_CONTROL_PROC =

The callback to be installed on the adapter.

Proc.new{|adapter| adapter.klass._model_cache_control(adapter.response) }

Instance Method Summary collapse

Instance Method Details

#_model_cache_control(response) ⇒ Object

Internal method that controls the model cache, using the given response object.



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# File 'lib/cardiac/model/cache_decoration.rb', line 28

def _model_cache_control(response)
  response = Rack::Cache::Response.new(*response.to_a)
  if response.fresh?
    @_model_cache_control[:expires_at] = response.expires || (response.date + response.ttl)
  else
    @_model_cache_control[:expires_at] = Time.now
  end
end

#cache_all!(options = {}) ⇒ Object

Causes all find(..) methods to go through an object-level cache, which is populated on demand whenever it is needed.

Pass false to uninstall the model cache.



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# File 'lib/cardiac/model/cache_decoration.rb', line 17

def cache_all! options={}
  if options
    @_model_cache_control = (Hash===options ? options : {}).update(expires_at: Time.now)
    __operation_proxy__.__adapter__.after_execute MODEL_CACHE_CONTROL_PROC
  else
    @model_cache = @_model_cache_control = nil
    __operation_proxy__.__adapter__.skip_callback :execute, :after,  MODEL_CACHE_CONTROL_PROC
  end
end