Add service RenderPartial

app/services/render_partial_service.rb

@@ -0,0 +1,31 @@
+class RenderPartialService
+
+  attr_accessor :controller, :method
+
+  def initialize controller, method
+    @controller = controller
+    @method = method
+  end
+
+  def navbar
+    retrieve_navbar
+  end
+
+  def left_panel
+    retrieve_left_panel
+  end
+
+  private
+
+  def retrieve_navbar
+    'layouts/navbars/_navbar_' + retrieve_name
+  end
+
+  def retrieve_left_panel
+    'layouts/left_panel/_leftpanel_' + retrieve_name
+  end
+
+  def retrieve_name
+    controller.to_s.parameterize + '_' + method.to_s
+  end
+end

spec/services/render_partial_service_spec.rb

@@ -0,0 +1,19 @@
+require 'spec_helper'
+
+describe RenderPartialService do
+  let(:service) { RenderPartialService.new(controller, method) }
+  let(:controller) { ApplicationController }
+  let(:method) { :index }
+
+  describe 'navbar' do
+    subject { service.navbar }
+
+    it { is_expected.to eq 'layouts/navbars/_navbar_'+controller.to_s.parameterize + '_' + method.to_s }
+  end
+
+  describe 'left_panel' do
+    subject { service.left_panel }
+
+    it { is_expected.to eq 'layouts/left_panel/_leftpanel_'+controller.to_s.parameterize + '_' + method.to_s }
+  end
+end