Avoid queries for issues with vue_issues_list

We already query the issues in a separate GraphQL request so the data
being fetched here is unnecessary

app/controllers/groups_controller.rb

@@ -209,6 +209,21 @@ class GroupsController < Groups::ApplicationController
     end
   end
 
+  def issues
+    return super if Feature.disabled?(:vue_issues_list, group, default_enabled: :yaml)
+
+    @has_issues = IssuesFinder.new(current_user, group_id: group.id).execute
+      .non_archived
+      .exists?
+
+    @has_projects = group_projects.exists?
+
+    respond_to do |format|
+      format.html
+      format.atom { render layout: 'xml.atom' }
+    end
+  end
+
   protected
 
   def render_show_html

app/controllers/projects/issues_controller.rb

@@ -10,7 +10,7 @@ class Projects::IssuesController < Projects::ApplicationController
   include RecordUserLastActivity
 
   ISSUES_EXCEPT_ACTIONS = %i[index calendar new create bulk_update import_csv export_csv service_desk].freeze
-  SET_ISSUABLES_INDEX_ONLY_ACTIONS = %i[index calendar service_desk].freeze
+  SET_ISSUABLES_INDEX_ONLY_ACTIONS = %i[calendar service_desk].freeze
 
   prepend_before_action(only: [:index]) { authenticate_sessionless_user!(:rss) }
   prepend_before_action(only: [:calendar]) { authenticate_sessionless_user!(:ics) }
@@ -22,7 +22,10 @@ class Projects::IssuesController < Projects::ApplicationController
   before_action :issue, unless: ->(c) { ISSUES_EXCEPT_ACTIONS.include?(c.action_name.to_sym) }
   after_action :log_issue_show, unless: ->(c) { ISSUES_EXCEPT_ACTIONS.include?(c.action_name.to_sym) }
 
-  before_action :set_issuables_index, if: ->(c) { SET_ISSUABLES_INDEX_ONLY_ACTIONS.include?(c.action_name.to_sym) }
+  before_action :set_issuables_index, if: ->(c) {
+    SET_ISSUABLES_INDEX_ONLY_ACTIONS.include?(c.action_name.to_sym) ||
+    (c.action_name.to_sym == :index && Feature.disabled?(:vue_issues_list, project&.group, default_enabled: :yaml))
+  }
 
   # Allow write(create) issue
   before_action :authorize_create_issue!, only: [:new, :create]

app/helpers/issues_helper.rb

@@ -231,10 +231,10 @@ module IssuesHelper
     )
   end
 
-  def group_issues_list_data(group, current_user, issues, projects)
+  def group_issues_list_data(group, current_user)
     common_issues_list_data(group, current_user).merge(
-      has_any_issues: issues.to_a.any?.to_s,
-      has_any_projects: any_projects?(projects).to_s
+      has_any_issues: @has_issues.to_s,
+      has_any_projects: @has_projects.to_s
     )
   end
 

app/views/groups/issues.html.haml

@@ -6,7 +6,7 @@
   = auto_discovery_link_tag(:atom, safe_params.merge(rss_url_options).to_h, title: "#{@group.name} issues")
 
 - if Feature.enabled?(:vue_issues_list, @group, default_enabled: :yaml)
-  .js-issues-list{ data: group_issues_list_data(@group, current_user, @issues, @projects) }
+  .js-issues-list{ data: group_issues_list_data(@group, current_user) }
   - if @can_bulk_update
     = render_if_exists 'shared/issuable/group_bulk_update_sidebar', group: @group, type: :issues
 - else

ee/app/helpers/ee/issues_helper.rb

@@ -63,7 +63,7 @@ module EE
     end
 
     override :group_issues_list_data
-    def group_issues_list_data(group, current_user, issues, projects)
+    def group_issues_list_data(group, current_user)
       super.tap do |data|
         data[:can_bulk_update] = (can?(current_user, :admin_issue, group) && group.feature_available?(:group_bulk_edit)).to_s
 

ee/spec/helpers/ee/issues_helper_spec.rb

@@ -186,8 +186,6 @@ RSpec.describe EE::IssuesHelper do
 
   describe '#group_issues_list_data' do
     let(:current_user) { double.as_null_object }
-    let(:issues) { [] }
-    let(:projects) { [] }
 
     before do
       allow(helper).to receive(:current_user).and_return(current_user)
@@ -211,7 +209,7 @@ RSpec.describe EE::IssuesHelper do
           group_path: project.group.full_path
         }
 
-        expect(helper.group_issues_list_data(group, current_user, issues, projects)).to include(expected)
+        expect(helper.group_issues_list_data(group, current_user)).to include(expected)
       end
     end
 
@@ -230,7 +228,7 @@ RSpec.describe EE::IssuesHelper do
           has_multiple_issue_assignees_feature: 'false'
         }
 
-        result = helper.group_issues_list_data(group, current_user, issues, projects)
+        result = helper.group_issues_list_data(group, current_user)
 
         expect(result).to include(expected)
         expect(result).not_to include(:group_path)

spec/helpers/issues_helper_spec.rb

@@ -342,8 +342,6 @@ RSpec.describe IssuesHelper do
   describe '#group_issues_list_data' do
     let(:group) { create(:group) }
     let(:current_user) { double.as_null_object }
-    let(:issues) { [] }
-    let(:projects) { [] }
 
     it 'returns expected result' do
       allow(helper).to receive(:current_user).and_return(current_user)
@@ -351,20 +349,23 @@ RSpec.describe IssuesHelper do
       allow(helper).to receive(:image_path).and_return('#')
       allow(helper).to receive(:url_for).and_return('#')
 
+      assign(:has_issues, false)
+      assign(:has_projects, true)
+
       expected = {
         autocomplete_award_emojis_path: autocomplete_award_emojis_path,
         calendar_path: '#',
         empty_state_svg_path: '#',
         full_path: group.full_path,
-        has_any_issues: issues.to_a.any?.to_s,
-        has_any_projects: any_projects?(projects).to_s,
+        has_any_issues: false.to_s,
+        has_any_projects: true.to_s,
         is_signed_in: current_user.present?.to_s,
         jira_integration_path: help_page_url('integration/jira/issues', anchor: 'view-jira-issues'),
         rss_path: '#',
         sign_in_path: new_user_session_path
       }
 
-      expect(helper.group_issues_list_data(group, current_user, issues, projects)).to include(expected)
+      expect(helper.group_issues_list_data(group, current_user)).to include(expected)
     end
   end