Updates operations link based on permissions

app/helpers/projects_helper.rb

@@ -393,6 +393,10 @@ module ProjectsHelper
     end
   end
 
+  def sidebar_operations_link_path(project = @project)
+    metrics_project_environments_path(project) if can?(current_user, :read_environment, project)
+  end
+
   def project_last_activity(project)
     if project.last_activity_at
       time_ago_with_tooltip(project.last_activity_at, placement: 'bottom', html_class: 'last_activity_time_ago')

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

@@ -195,13 +195,8 @@
                     = _('Charts')
 
       - if project_nav_tab? :operations
-        - if can?(current_user, :read_environment, @project) || can?(current_user, :read_cluster, @project)
-          - main_link = metrics_project_environments_path(@project)
-        - elsif can?(current_user, :read_feature_flag, @project)
-          - main_link = project_feature_flags_path(@project)
-
         = nav_link(controller: sidebar_operations_paths) do
-          = link_to main_link, class: 'shortcuts-operations' do
+          = link_to sidebar_operations_link_path, class: 'shortcuts-operations' do
             .nav-icon-container
               = sprite_icon('cloud-gear')
             %span.nav-item-name
@@ -209,7 +204,7 @@
 
           %ul.sidebar-sub-level-items
             = nav_link(controller: sidebar_operations_paths, html_options: { class: "fly-out-top-item" } ) do
-              = link_to metrics_project_environments_path(@project) do
+              = link_to sidebar_operations_link_path do
                 %strong.fly-out-top-item-name
                   =  _('Operations')
             %li.divider.fly-out-top-item

ee/app/helpers/ee/projects_helper.rb

@@ -88,6 +88,11 @@ module EE
       end
     end
 
+    override :sidebar_operations_link_path
+    def sidebar_operations_link_path(project = @project)
+      super || project_feature_flags_path(project)
+    end
+
     # Given the current GitLab configuration, check whether the GitLab URL for Kerberos is going to be different than the HTTP URL
     def alternative_kerberos_url?
       ::Gitlab.config.alternative_gitlab_kerberos_url?