Module: LogicalModel::Cache::ClassMethods

Defined in:
lib/logical_model/cache.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#expires_in ⇒ Object

Returns the value of attribute expires_in.



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# File 'lib/logical_model/cache.rb', line 71

def expires_in
  @expires_in
end

Instance Method Details

#async_find_response_with_cache(id, params = {}, body) ⇒ Object Also known as: async_find_response 



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# File 'lib/logical_model/cache.rb', line 111

def async_find_response_with_cache(id, params={}, body)
  # remove params not used in cache_key
  %w(app_key token).each {|k| params.delete(k) }
  cache_value = async_find_response_without_cache(id, params, body)
  # Generate key based on params
  cache_key = self.cache_key(id, params)
  self.logger.debug "LogicalModel Log CACHE: Writing cache key=#{cache_key}"
  self.cache_store.write(cache_key, cache_value, :expires_in => self.expires_in || 10.minutes)
  cache_value
end

#async_find_with_cache(id, params = {}, &block) ⇒ Object Also known as: async_find 



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# File 'lib/logical_model/cache.rb', line 91

def async_find_with_cache(id, params = {}, &block)
  # Generate key based on params
  cache_key = self.cache_key(id, params)
  # If there is a cached value return it
  self.logger.debug "LogicalModel Log CACHE: Reading cache key=#{cache_key}"
  cached_result = self.cache_store.read(cache_key)
  if cached_result
    yield cached_result
  else
    self.logger.debug 'LogicalModel Log CACHE: Cache not present. Calling find_async without cache'
    async_find_without_cache(id, params, &block)
  end
end

#cache_key(id, params = {}) ⇒ Object

Will return key for cache

Parameters:

  • id (String) —

    (nil)

  • params (Hash) (defaults to: {}) 


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# File 'lib/logical_model/cache.rb', line 80

def cache_key(id, params = {})
  model_name = self.to_s.pluralize.underscore
  params_hash = Digest::MD5.hexdigest(params.to_s)
  
  cache_key = "#{model_name}/#{id}-#{params_hash}"
end

#cache_store ⇒ Object 



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# File 'lib/logical_model/cache.rb', line 73

def cache_store
  @cache_store ||= Rails.cache
end

#delete_multiple_with_cache(ids, params = {}) ⇒ Object Also known as: delete_multiple 



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# File 'lib/logical_model/cache.rb', line 142

def delete_multiple_with_cache(ids, params = {})
  model_name = self.to_s.pluralize.underscore
  self.logger.debug "LogicalModel Log CACHE: Delete cache for #{model_name}\/(#{ids.join('|')})-.*"
  self.cache_store.delete_matched(/#{model_name}\/(#{ids.join('|')})-.*/)
  #TODO: also delete cache for parent (belongs_to)
  delete_multiple_without_cache(ids, params)
end

#delete_with_cache(id, params = {}) ⇒ Object Also known as: delete 



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# File 'lib/logical_model/cache.rb', line 128

def delete_with_cache(id, params = {})
  model_name = self.to_s.pluralize.underscore
  self.logger.debug "LogicalModel Log CACHE: Delete cache for #{model_name}\/#{id}-.*"
  self.cache_store.delete_matched(/#{model_name}\/#{id}-.*/)
  #TODO: also delete cache for parent (belongs_to)
  delete_without_cache(id, params)
end