Remove GET empty from EnvironmentsController

app/controllers/projects/environments_controller.rb

@@ -120,21 +120,14 @@ class Projects::EnvironmentsController < Projects::ApplicationController
     end
   end
 
-  def empty
-    render :empty
-  end
-
   def metrics_redirect
     environment = project.environments.with_state(:available).first
 
-    path =
-      if environment
-        environment_metrics_path(environment)
-      else
-        empty_project_environments_path(project)
-      end
-
-    redirect_to path
+    if environment
+      redirect_to environment_metrics_path(environment)
+    else
+      render :empty
+    end
   end
 
   def metrics

app/views/layouts/nav/sidebar/_project.html.haml

@@ -210,7 +210,7 @@
             %li.divider.fly-out-top-item
 
             - if project_nav_tab? :environments
-              = nav_link(controller: :environments, action: [:metrics, :empty]) do
+              = nav_link(controller: :environments, action: [:metrics, :metrics_redirect]) do
                 = link_to metrics_project_environments_path(@project), title: 'Metrics', class: 'shortcuts-metrics' do
                   %span
                     = _('Metrics')

config/routes/project.rb

@@ -236,7 +236,6 @@ constraints(::Constraints::ProjectUrlConstrainer.new) do
 
         collection do
           get :metrics, action: :metrics_redirect
-          get :empty
           get :folder, path: 'folders/*id', constraints: { format: /(html|json)/ }
         end
 

spec/controllers/projects/environments_controller_spec.rb

@@ -277,16 +277,6 @@ describe Projects::EnvironmentsController do
     end
   end
 
-  describe 'GET #empty' do
-    it 'responds with HTML' do
-      get :empty, namespace_id: project.namespace,
-                  project_id: project
-
-      expect(response).to be_ok
-      expect(response).to render_template 'empty'
-    end
-  end
-
   describe 'GET #metrics_redirect' do
     let(:project) { create(:project) }
 
@@ -301,7 +291,8 @@ describe Projects::EnvironmentsController do
     it 'redirects to empty page if no environment exists' do
       get :metrics_redirect, environment_params
 
-      expect(response).to redirect_to(empty_project_environments_path(project))
+      expect(response).to be_ok
+      expect(response).to render_template 'empty'
     end
   end