Define an endpoint with table simulation stats

app/controllers/tables_arrangements_controller.rb

@@ -4,17 +4,28 @@
 
 class TablesArrangementsController < ApplicationController
   def index
-    current_digest = Tables::Distribution.digest(current_tenant)
+    query = TablesArrangement
+            .order(valid: :desc)
+            .order(discomfort: :asc)
+            .select(:id, :name, :discomfort, :status, :progress)
+            .select("digest = '#{current_digest}'::uuid OR discomfort IS NULL as valid")
+            .limit((params[:limit].presence&.to_i || 20).clamp(1..20))
 
-    render json: TablesArrangement
+    query = query.where(status: params[:status]) if params[:status].present?
-      .order(valid: :desc)
+
-      .order(discomfort: :asc)
+    render json: query
-      .select(:id, :name, :discomfort, :status, :progress)
-      .select("digest = '#{current_digest}'::uuid OR discomfort IS NULL as valid")
-      .limit(20)
       .as_json(only: %i[id name discomfort valid status progress])
   end
 
+  def stats
+    scope = TablesArrangement.where('digest = ?::uuid OR discomfort IS NULL', current_digest)
+
+    render json: {
+      count: scope.group(:status).count,
+      in_progress: scope.where(status: :in_progress).limit(10).order(progress: :desc).pluck(:progress)
+    }
+  end
+
   def show
     Guest.joins(:seats, :group)
          .where(seats: { tables_arrangement_id: params[:id] })
@@ -35,6 +46,10 @@ class TablesArrangementsController < ApplicationController
 
   private
 
+  def current_digest
+    @current_digest ||= Tables::Distribution.digest(current_tenant)
+  end
+
   def format(number:, guests:)
     {
       number: number,

config/routes.rb

@@ -40,7 +40,9 @@ Rails.application.routes.draw do
 
     resource :website, only: [:show, :update]
 
-    resources :tables_arrangements, only: %i[index show create]
+    resources :tables_arrangements, only: %i[index show create] do
+      get :stats, on: :collection
+    end
     resources :summary, only: :index
     resources :invitations, only: %i[show index create update destroy] do
       post :email, on: :collection