Module: Nifty::KeyValueStore::ModelExtension::ClassMethods

Defined in:
lib/nifty/key_value_store/model_extension.rb

Instance Method Summary collapse

Instance Method Details

#key_value_store(*names) ⇒ Object 



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# File 'lib/nifty/key_value_store/model_extension.rb', line 14

def key_value_store(*names)
  
  unless self.reflect_on_all_associations(:has_many).map(&:name).include?(:nifty_key_value_pairs)
    has_many :nifty_key_value_pairs, :as => :parent, :dependent => :destroy, :class_name => 'Nifty::KeyValueStore::KeyValuePair'
    after_save :save_custom_values_to_db
  end
  
  names.each do |name|
    key_value_stores << name
      
    # Getter
    define_method name do
      if value = instance_variable_get("@#{name}")
        value
      else
        instance_variable_set "@#{name}", get_custom_values_for(name)
      end
    end
      
    # JSON Getter
    define_method "#{name}_json" do
      send(name).to_json
    end
      
    # Setter
    define_method "#{name}=" do |value|
      instance_variable_set("@#{name}", value)
    end
      
    # JSON Setter
    define_method "#{name}_json=" do |value|
      send("#{name}=", JSON.parse(value))
    end
      
  end
end

#key_value_stores ⇒ Object 



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# File 'lib/nifty/key_value_store/model_extension.rb', line 10

def key_value_stores
  @key_value_stores ||= []
end