Disable inaccessible navigation links upon archiving a project

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

@@ -357,12 +357,12 @@
                 = link_to project_settings_repository_path(@project), title: _('Repository') do
                   %span
                     = _('Repository')
-              - if @project.feature_available?(:builds, current_user)
+              - if !@project.archived? && @project.feature_available?(:builds, current_user)
                 = nav_link(controller: :ci_cd) do
                   = link_to project_settings_ci_cd_path(@project), title: _('CI / CD') do
                     %span
                       = _('CI / CD')
-              - if settings_operations_available?
+              - if !@project.archived? && settings_operations_available?
                 = nav_link(controller: [:operations]) do
                   = link_to project_settings_operations_path(@project), title: _('Operations') do
                     = _('Operations')

changelogs/unreleased/58793-fix-nav-links-archived-project.yml

@@ -0,0 +1,5 @@
+---
+title: "Disable inaccessible navigation links upon archiving a project"
+merge_request: 26020
+author: Elias Werberich
+type: fixed

spec/views/layouts/nav/sidebar/_project.html.haml_spec.rb

@@ -113,4 +113,56 @@ describe 'layouts/nav/sidebar/_project' do
       end
     end
   end
+
+  describe 'ci/cd settings tab' do
+    before do
+      project.update!(archived: project_archived)
+    end
+
+    context 'when project is archived' do
+      let(:project_archived) { true }
+
+      it 'does not show the ci/cd settings tab' do
+        render
+
+        expect(rendered).not_to have_link('CI / CD', href: project_settings_ci_cd_path(project))
+      end
+    end
+
+    context 'when project is active' do
+      let(:project_archived) { false }
+
+      it 'shows the ci/cd settings tab' do
+        render
+
+        expect(rendered).to have_link('CI / CD', href: project_settings_ci_cd_path(project))
+      end
+    end
+  end
+
+  describe 'operations settings tab' do
+    before do
+      project.update!(archived: project_archived)
+    end
+
+    context 'when project is archived' do
+      let(:project_archived) { true }
+
+      it 'does not show the operations settings tab' do
+        render
+
+        expect(rendered).not_to have_link('Operations', href: project_settings_operations_path(project))
+      end
+    end
+
+    context 'when project is active' do
+      let(:project_archived) { false }
+
+      it 'shows the operations settings tab' do
+        render
+
+        expect(rendered).to have_link('Operations', href: project_settings_operations_path(project))
+      end
+    end
+  end
 end