Module: Reusable::Mongoid::CounterCache::ClassMethods

Defined in:
lib/reusable/mongoid/counter_cache.rb

Instance Method Summary collapse

Instance Method Details

#counter_cache(options) ⇒ Object 



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# File 'lib/reusable/mongoid/counter_cache.rb', line 16

def counter_cache(options)
  name = options[:name]
  counter_field = options[:field]

  after_create do |document|
    relation = document.send(name)
    relation.collection.update(relation._selector, {'$inc' => {counter_field.to_s => 1}})
  end

  after_destroy do |document|
    relation = document.send(name)
    relation.collection.update(relation._selector, {'$inc' => {counter_field.to_s => -1}})
  end
end