app/controllers/groups_controller.rb

@@ -2,7 +2,18 @@
 
 class GroupsController < ApplicationController
   def index
-    render json: Groups::SummaryQuery.new.call.as_json
+    query_result = Groups::SummaryQuery.new.call.as_json.map(&:deep_symbolize_keys).map do |group|
+      {
+        id: group[:id],
+        name: group[:name],
+        icon: group[:icon],
+        color: group[:color],
+        parent_id: group[:parent_id],
+        attendance: group.slice(:total, :considered, :invited, :confirmed, :declined, :tentative)
+      }
+    end
+
+    render json: query_result
   end
 
   def create

spec/requests/groups_spec.rb

@@ -12,13 +12,17 @@ RSpec.describe 'groups', type: :request do
         schema type: :array,
                  items: {
                    type: :object,
-                 required: %i[id name icon parent_id color total considered invited confirmed declined tentative],
+                   required: %i[id name icon parent_id color attendance],
                    properties: {
                      id: { type: :string, format: :uuid, required: true },
                      name: { type: :string },
                      icon: { type: :string, example: 'pi pi-crown', description: 'The CSS classes used by the icon' },
                      parent_id: { type: :string, format: :uuid },
                      color: { type: :string, pattern: '^#(?:[0-9a-fA-F]{3}){1,2}$' },
+                     attendance: {
+                       type: :object,
+                        required: %i[total considered invited confirmed declined tentative],
+                        properties: {
                           total: { type: :integer, minimum: 0, description: 'Total number of guests in any status' },
                           considered: { type: :integer, minimum: 0 },
                           invited: { type: :integer, minimum: 0 },
@@ -27,6 +31,8 @@ RSpec.describe 'groups', type: :request do
                           tentative: { type: :integer, minimum: 0 }
                         }
                       }
+                    }
+                 }
         xit
       end
       regular_api_responses