Contents

module MakeRestful::Loaders

  private

  def load_resource
    @resource = self.class.resource_class
    @resource.params = params.except(:action, :controller, :id) if @resource.respond_to?(:params=)
  end

  def load_collection
    @collection = if self.class.pagination && !params.has_key?(:all)
      paginated_collection = @resource.paginate page: params[:page], per_page: (params[:per_page] || self.class.pagination[:per_page] || 25)
      { :"#{self.class.resource_name}" => collection,
        pagination: {
          current_page:   paginated_collection.current_page,
          per_page:       paginated_collection.per_page,
          total_entries:  paginated_collection.total_entries,
          total_pages:    paginated_collection.total_pages
        }
      }
    else
      @resource.all
    end

    if @collection.empty?
      @response = { error: 'no results found' }
      @status = :not_found
    end

    eval("@#{self.class.resource_name} = @collection")
  end

  def load_instance(opts={})

    finder = opts[:finder] || self.class.finder
    finder_value = params[finder]

    if finder && @resource.respond_to?(:find)
      @instance = @resource.where(finder.to_sym => finder_value).first
      eval "@#{self.class.instance_name} = @instance"
    end

    unless @instance
      @response = { error: "Could not find record with #{finder}: #{finder_value}"  }
      @status = :not_found
      render_formats(load_template: false) and return
    end

  end

  def verify_method!
    return if allow_method? params[:action]
    @response = { error: "Method not allowed"}
    @status = :method_not_allowed
    render
  end

  alias :verify_action! :verify_method!

  def method_missing(m, *args, &block)
    if /load_instance_by_(?<finder>[a-z_]+)/ =~ m.to_s
      load_instance(finder: finder.to_sym)
    else
      super
    end
  end

  def respond_to_missing?(method_name, include_private = false)
    true if /load_instance_by_(?<finder>[a-z_]+)/ =~ method_name.to_s
  end

end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
make_restful-0.1.2	lib/make_restful/loaders.rb