Class: Super::Navigation::Automatic

Inherits:
Object
  • Object
show all
Defined in:
lib/super/navigation/automatic.rb

Overview

Traverses the defined Rails Routes and attempts to build a list of links. This is used for building the nav bar on each admin page.

Instance Method Summary collapse

Constructor Details

#initialize(route_namespace: Super.configuration.path) ⇒ Automatic

Returns a new instance of Automatic.



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# File 'lib/super/navigation/automatic.rb', line 8

def initialize(route_namespace: Super.configuration.path)
  route_namespace = route_namespace.strip.gsub(%r{\A/+}, "").gsub(%r{/+\z}, "").strip

  if route_namespace.include?("/")
    raise "Can't be nested namespace"
  end

  @route_namespace = route_namespace
end

Instance Method Details

#each ⇒ Object 



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# File 'lib/super/navigation/automatic.rb', line 18

def each
  if !block_given?
    return enum_for(:each)
  end

  navigable_namespace_routes = Rails.application.routes.routes.select do |route|
    path_spec = route.path.spec

    next if route.verb != "GET"
    next if !path_spec.respond_to?(:right)
    next if path_spec.right.left.to_s != @route_namespace
    next if route.required_parts.any?
    next if route.defaults.empty?

    true
  end

  navigable_defaults = navigable_namespace_routes.map do |route|
    controller_name = route.defaults[:controller] + "_controller"
    _controller =
      begin
        controller_name.camelize.constantize
      rescue NameError
        warn("[super] Couldn't find controller: #{controller_name}")
        next
      end

    route.defaults
  end

  grouped_navigable_defaults =
    navigable_defaults.compact.uniq.group_by { |d| d[:controller] }

  grouped_navigable_defaults.each do |controller, defaults|
    actions = defaults.map { |d| [d[:action], d[:action]] }.to_h
    action = actions["index"] || actions["show"]

    next if action.nil?

    path =
      begin
        Rails.application.routes.url_for(
          controller: controller,
          action: action,
          only_path: true
        )
      rescue ActionController::UrlGenerationError
        next
      end

    yield(controller.split("/").last.humanize, path)
  end
end