Module: CouchView::ClassMethods

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# File 'lib/couch_view/couch_view.rb', line 11

def couch_view(name=nil, &block) 
  view_config = CouchView::Config.new self
  view_config.instance_eval &block
  view_config.base_view_name name if name
  base_view_name = view_config.base_view_name
  
  # if this view has already been configured before
  if view_configs[base_view_name]
    # copy all of the old conditions into the new view_config
    view_configs[base_view_name].conditions.each do |condition_name, condition_module|
      view_config.conditions_config.send condition_name, condition_module
    end
    # replace the old view_config with the new view_config
    view_configs[base_view_name] = view_config
  else
    view_configs[base_view_name] = view_config
  end

  view_config.views.each do |view_name, view|  
    view_by view_name, :map => view[:map], :reduce => view[:reduce]
  end

  instance_eval <<-METHODS
    def map_#{base_view_name}!
      generate_view_proxy_for("#{base_view_name}").get!
    end

    def map_#{base_view_name}
      generate_view_proxy_for "#{base_view_name}"
    end

    def reduce_#{base_view_name}!
      generate_view_proxy_for("#{base_view_name}").reduce(true).get!
    end

    def reduce_#{base_view_name}
      generate_view_proxy_for("#{base_view_name}").reduce(true)
    end
  METHODS
  
  if view_config.reduce == "_count"
    instance_eval <<-METHODS
      def count_#{base_view_name}!
        generate_count_proxy_for("#{base_view_name}").get!
      end

      def count_#{base_view_name}
        generate_count_proxy_for "#{base_view_name}"
      end
    METHODS
  end
end