Fetch children using new finder for the `show` of a group.

app/controllers/groups_controller.rb

@@ -45,18 +45,15 @@ class GroupsController < Groups::ApplicationController
   end
   def show
-    setup_projects
+    @children = GroupChildrenFinder.new(current_user, parent_group: @group, params: params).execute
+
+    @children = @children.page(params[:page])
     respond_to do |format|
       format.html
-      format.json do
-        render json: {
-          html: view_to_html_string("dashboard/projects/_projects", locals: { projects: @projects })
-        }
-      end
-
       format.atom do
+        setup_projects
         load_events
         render layout: 'xml.atom'
       end

app/finders/group_children_finder.rb

@@ -16,27 +16,38 @@ class GroupChildrenFinder
   # This allows us to fetch only the count without loading the objects. Unless
   # the objects were already loaded.
   def total_count
-    @total_count ||= if defined?(@children)
-                       children.size
-                     else
-                       child_groups.count + projects.count
-                     end
+    @total_count ||= subgroup_count + project_count
+  end
+
+  def subgroup_count
+    @subgroup_count ||= if defined?(@children)
+                          children.count { |child| child.is_a?(Group) }
+                        else
+                          subgroups.count
+                        end
+  end
+
+  def project_count
+    @project_count ||= if defined?(@children)
+                         children.count { |child| child.is_a?(Project) }
+                       else
+                         projects.count
+                       end
   end
   private
   def children
-    @children ||= child_groups + projects
+    @children ||= subgroups + projects
   end
-  def child_groups
+  def subgroups
     return Group.none unless Group.supports_nested_groups?
     return Group.none unless can?(current_user, :read_group, parent_group)
     groups = GroupsFinder.new(current_user,
                               parent: parent_group,
-                              all_available: true,
-                              all_children_for_parent: params[:filter_groups].present?).execute
+                              all_available: true).execute
     groups = groups.search(params[:filter]) if params[:filter].present?
     groups = groups.includes(:route).includes(:children)

app/views/groups/_children.html.haml

+- if children.any?
+  render children here
+- else
+  .nothing-here-block No children found

app/views/groups/_show_nav.html.haml

-%ul.nav-links
-  = nav_link(page: group_path(@group)) do
-    = link_to group_path(@group) do
-      Projects
-  - if Group.supports_nested_groups?
-    = nav_link(page: subgroups_group_path(@group)) do
-      = link_to subgroups_group_path(@group) do
-        Subgroups

app/views/groups/show.html.haml

@@ -8,7 +8,6 @@
 .groups-header{ class: container_class }
   .top-area
-    = render 'groups/show_nav'
     .nav-controls
       = render 'shared/projects/search_form'
       = render 'shared/projects/dropdown'
@@ -16,4 +15,4 @@
         = link_to new_project_path(namespace_id: @group.id), class: 'btn btn-new pull-right' do
           New Project
-  = render "projects", projects: @projects
+  = render "children", children: @children

spec/finders/group_children_finder_spec.rb

@@ -52,16 +52,16 @@ describe GroupChildrenFinder do
     describe '#total_count' do
       it 'counts the array children were already loaded' do
-        finder.instance_variable_set(:@children, [double])
-        expect(finder).not_to receive(:child_groups)
+        finder.instance_variable_set(:@children, [build(:project)])
+        expect(finder).not_to receive(:subgroups)
         expect(finder).not_to receive(:projects)
         expect(finder.total_count).to eq(1)
       end
       it 'performs a count without loading children when they are not loaded yet' do
-        expect(finder).to receive(:child_groups).and_call_original
+        expect(finder).to receive(:subgroups).and_call_original
         expect(finder).to receive(:projects).and_call_original
         expect(finder.total_count).to eq(2)