Remove epic count from roadmap show page

The empty list is handled by frontend.

ee/app/controllers/groups/roadmap_controller.rb

@@ -19,7 +19,6 @@ module Groups
       # Used to persist the order and show the correct sorting dropdown on UI.
       @sort = set_sort_order
       @epics_state = epics_state_in_user_preference || 'all'
-      @epics_count = EpicsFinder.new(current_user, group_id: @group.id).execute.count
     end
 
     private

ee/app/views/groups/roadmap/show.html.haml

@@ -12,22 +12,18 @@
 
 - has_filters_applied = params[:label_name].present? || params[:author_username].present? || params[:search].present?
 
-- if @epics_count != 0
-  - if !Feature.enabled?(:async_filtering, @group, default_enabled: true)
-    = render 'shared/epic/search_bar', type: :epics, show_roadmap_presets: true, hide_extra_sort_options: true
+- if !Feature.enabled?(:async_filtering, @group, default_enabled: true)
+  = render 'shared/epic/search_bar', type: :epics, show_roadmap_presets: true, hide_extra_sort_options: true
 
-  #js-roadmap{ data: { epics_path: group_epics_path(@group, format: :json),
-    group_id: @group.id,
-    full_path: @group.full_path,
-    empty_state_illustration: image_path('illustrations/epics/roadmap.svg'),
-    has_filters_applied: "#{has_filters_applied}",
-    new_epic_endpoint: group_epics_path(@group),
-    group_labels_endpoint: group_labels_path(@group, format: :json),
-    group_milestones_endpoint: group_milestones_path(@group, format: :json),
-    preset_type: roadmap_layout,
-    epics_state: @epics_state,
-    sorted_by: @sort,
-    allow_sub_epics: allow_sub_epics } }
-
-- else
-  = render 'shared/empty_states/roadmap'
+#js-roadmap{ data: { epics_path: group_epics_path(@group, format: :json),
+  group_id: @group.id,
+  full_path: @group.full_path,
+  empty_state_illustration: image_path('illustrations/epics/roadmap.svg'),
+  has_filters_applied: "#{has_filters_applied}",
+  new_epic_endpoint: group_epics_path(@group),
+  group_labels_endpoint: group_labels_path(@group, format: :json),
+  group_milestones_endpoint: group_milestones_path(@group, format: :json),
+  preset_type: roadmap_layout,
+  epics_state: @epics_state,
+  sorted_by: @sort,
+  allow_sub_epics: allow_sub_epics } }

ee/app/views/shared/empty_states/_roadmap.html.haml

-.row.empty-state
-  .col-12
-    .svg-content
-      = image_tag 'illustrations/epics/roadmap.svg'
-  .col-12
-    .text-content
-      %h4
-        = _('The roadmap shows the progress of your epics along a timeline')
-      %p
-        = _('To view the roadmap, add a start or due date to one of your epics in this group or its subgroups. In the months view, only epics in the past month, current month, and next 5 months are shown.')
-      .text-center
-        - if can?(current_user, :create_epic, @group)
-          #epic-create-root{ data: { endpoint: request.url } }
-        = link_to group_epics_path(@group), title: 'List', class: 'btn' do
-          %span= _('View epics list')

ee/changelogs/unreleased/remove_epic_count.yml

+---
+title: Speed up roadmap show page by removing an extra epic count check
+merge_request: 51610
+author:
+type: performance

ee/spec/features/groups/group_roadmap_spec.rb

@@ -145,12 +145,13 @@ RSpec.describe 'group epic roadmap', :js do
   context 'when no epics exist for the group' do
     before do
       visit group_roadmap_path(group)
+      wait_for_requests
     end
 
     describe 'roadmap page' do
-      it 'does not render the filtered search bar' do
-        page.within('.content-wrapper .content') do
-          expect(page).not_to have_css('.epics-filters')
+      it 'shows empty state page' do
+        page.within('.empty-state') do
+          expect(page).to have_content('The roadmap shows the progress of your epics along a timeline')
         end
       end
     end

locale/gitlab.pot

@@ -28223,9 +28223,6 @@ msgstr ""
 msgid "The review stage shows the time from creating the merge request to merging it. The data will automatically be added after you merge your first merge request."
 msgstr ""
 
-msgid "The roadmap shows the progress of your epics along a timeline"
-msgstr ""
-
 msgid "The same shared runner executes code from multiple projects, unless you configure autoscaling with %{link} set to 1 (which it is on GitLab.com)."
 msgstr ""
 
@@ -29625,9 +29622,6 @@ msgstr ""
 msgid "To view instance-level analytics, ask an admin to turn on %{docLinkStart}usage ping%{docLinkEnd}."
 msgstr ""
 
-msgid "To view the roadmap, add a start or due date to one of your epics in this group or its subgroups. In the months view, only epics in the past month, current month, and next 5 months are shown."
-msgstr ""
-
 msgid "To widen your search, change or remove filters above"
 msgstr ""