Module: SupportTableCache::RelationOverride

Defined in:
lib/support_table_cache.rb

Instance Method Summary collapse

Instance Method Details

#find_by(*args) ⇒ Object

Override for the find_by method that looks in the cache first.



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# File 'lib/support_table_cache.rb', line 134

def find_by(*args)
  return super unless klass.include?(SupportTableCache)
  return super if SupportTableCache.cache.nil? || SupportTableCache.disabled?

  cache_key = nil
  attributes = args.first if args.size == 1 && args.first.is_a?(Hash)

  # Apply any attributes from the current relation chain
  if scope_attributes.present?
    attributes = scope_attributes.merge(attributes || {})
  end

  if attributes.present?
    support_table_cache_by_attributes.each do |attribute_names, case_sensitive|
      cache_key = SupportTableCache.cache_key(klass, attributes, attribute_names, case_sensitive)
      break if cache_key
    end
  end

  if cache_key
    SupportTableCache.cache.fetch(cache_key, expires_in: support_table_cache_ttl) { super }
  else
    super
  end
end