Gemfile

@@ -15,6 +15,7 @@ gem 'stimulus-rails'
 gem 'turbo-rails'
 gem 'tzinfo-data', platforms: %i[windows jruby]
 
+gem 'faker'
 gem 'jsonapi-rails'
 gem 'rack-cors'
 gem 'react-rails'
@@ -23,7 +24,6 @@ gem 'rubytree'
 group :development, :test do
   gem 'debug', platforms: %i[mri windows]
   gem 'factory_bot_rails'
-  gem 'faker'
   gem 'pry'
   gem 'rspec-rails', '~> 7.0.0'
 end

app/controllers/tables_arrangements_controller.rb

@@ -2,7 +2,7 @@
 
 class TablesArrangementsController < ApplicationController
   def index
-    render json: TablesArrangement.all.order(discomfort: :asc).limit(3).as_json(only: %i[id discomfort])
+    render json: TablesArrangement.all.order(discomfort: :asc).limit(3).as_json(only: %i[id name discomfort])
   end
 
   def show

app/models/tables_arrangement.rb

@@ -3,4 +3,12 @@
 class TablesArrangement < ApplicationRecord
   has_many :seats
   has_many :guests, through: :seats
+
+  before_create :assign_name
+
+  private
+
+  def assign_name
+    self.name = "#{Faker::Adjective.positive} #{Faker::Creature::Animal.name}".capitalize
+  end
 end

db/migrate/20241103072808_add_name_to_tables_arrangements.rb

@@ -0,0 +1,7 @@
+# Copyright (C) 2024 Manuel Bustillo
+
+class AddNameToTablesArrangements < ActiveRecord::Migration[7.2]
+  def change
+    add_column :tables_arrangements, :name, :string, null: false
+  end
+end

db/schema.rb

@@ -64,6 +64,7 @@ ActiveRecord::Schema[7.2].define(version: 2024_11_03_093955) do
     t.integer "discomfort"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.string "name", null: false
   end
 
   add_foreign_key "groups", "groups", column: "parent_id"

spec/models/tables_arrangement_spec.rb

@@ -3,5 +3,9 @@
 require 'rails_helper'
 
 RSpec.describe TablesArrangement, type: :model do
-  pending "add some examples to (or delete) #{__FILE__}"
+  describe 'callbacks' do
+    it 'assigns a name before creation' do
+      expect(described_class.create!.name).to be_present
+    end
+  end
 end