Merge first and last name and expose guest update endpoint

app/controllers/guests_controller.rb

@@ -6,23 +6,14 @@ class GuestsController < ApplicationController
   def index
     @guests = Guest.all.includes(:group)
                    .joins(:group)
-                   .order('groups.name' => :asc, first_name: :asc, last_name: :asc)
+                   .order('groups.name' => :asc, name: :asc)
 
     render jsonapi: @guests
   end
 
-  def import
-    csv = CSV.parse(params[:file].read, headers: true)
-    ActiveRecord::Base.transaction do
-      csv.each do |row|
-        guest = Guest.create!(first_name: row['name'])
-
-        guest.affinity_group_list.add(row['affinity_group'])
-        guest.save!
-      end
-    end
-
-    redirect_to guests_url
+  def update
+    Guests::UpdateUseCase.new(guest_ids: [params[:id]], params: params.require(:guest).permit(:name)).call
+    render json: {}, status: :ok
   end
 
   def bulk_update

app/controllers/tables_arrangements_controller.rb

@@ -11,7 +11,8 @@ class TablesArrangementsController < ApplicationController
         .order('guests.group_id')
         .pluck(
           :table_number,
-          Arel.sql("guests.first_name || ' ' || guests.last_name "), 'guests.id',
+          'guests.name',
+          'guests.id',
           'groups.color'
         )
         .group_by(&:first)

app/models/guest.rb

@@ -12,8 +12,4 @@ class Guest < ApplicationRecord
   }
 
   scope :potential, -> { where.not(status: %i[declined considered]) }
-
-  def full_name
-    "#{first_name} #{last_name}"
-  end
 end

app/serializers/serializable_guest.rb

@@ -6,7 +6,7 @@ class SerializableGuest < JSONAPI::Serializable::Resource
   attributes :id, :group_id, :status
 
   attribute :name do
-    "#{@object.first_name} #{@object.last_name}"
+    @object.name
   end
 
   attribute :group_name do

app/services/tables/distribution.rb

@@ -33,7 +33,7 @@ module Tables
 
     def pretty_print
       @tables.map.with_index do |table, i|
-        "Table #{i + 1} (#{table.count} ppl): (#{local_discomfort(table)}) #{table.map(&:full_name).join(', ')}"
+        "Table #{i + 1} (#{table.count} ppl): (#{local_discomfort(table)}) #{table.map(&:name).join(', ')}"
       end.join("\n")
     end
 

app/use_cases/guests/update_use_case.rb

@@ -12,6 +12,8 @@ module Guests
       Guest.where(id: guest_ids).update!(params)
 
       # TODO: Not all status transitions may require a table re-arrangement
+      return unless params.key?(:status)
+
       TablesArrangement.delete_all
 
       ActiveJob.perform_all_later(50.times.map { TableSimulatorJob.new })

config/routes.rb

@@ -3,13 +3,12 @@
 Rails.application.routes.draw do
   resources :groups, only: :index
   resources :guests do
-    post :import, on: :collection
     post :bulk_update, on: :collection
   end
-  resources :expenses, only: :index do
+  resources :expenses, only: %i[index update] do
     get :summary, on: :collection
   end
-  resources :tables_arrangements, only: [:index, :show]
+  resources :tables_arrangements, only: %i[index show]
 
   get 'up' => 'rails/health#show', as: :rails_health_check
 end

db/migrate/20241111063741_merge_guest_names.rb

@@ -0,0 +1,17 @@
+class MergeGuestNames < ActiveRecord::Migration[8.0]
+  def change
+    add_column :guests, :name, :string
+
+    reversible do |dir|
+      dir.up do
+        execute <<~SQL
+          UPDATE guests
+          SET name = CONCAT(first_name, ' ', last_name)
+        SQL
+      end
+    end
+
+    remove_column :guests, :first_name, :string
+    remove_column :guests, :last_name, :string
+  end
+end

db/schema.rb

@@ -1,5 +1,3 @@
-# Copyright (C) 2024 Manuel Bustillo
-
 # This file is auto-generated from the current state of the database. Instead
 # of editing this file, please use the migrations feature of Active Record to
 # incrementally modify your database, and then regenerate this schema definition.
@@ -12,9 +10,9 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.2].define(version: 2024_11_03_133122) do
+ActiveRecord::Schema[8.0].define(version: 2024_11_11_063741) do
   # These are extensions that must be enabled in order to support this database
-  enable_extension "plpgsql"
+  enable_extension "pg_catalog.plpgsql"
 
   # Custom types defined in this database.
   # Note that some types may not work with other database engines. Be careful if changing database.
@@ -41,13 +39,12 @@ ActiveRecord::Schema[7.2].define(version: 2024_11_03_133122) do
   end
 
   create_table "guests", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
-    t.string "first_name"
-    t.string "last_name"
     t.string "phone"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.uuid "group_id", null: false
     t.integer "status", default: 0
+    t.string "name"
     t.index ["group_id"], name: "index_guests_on_group_id"
   end
 

db/seeds.rb

@@ -56,8 +56,7 @@ groups = Group.all
 
 NUMBER_OF_GUESTS.times do
   Guest.create!(
-    first_name: Faker::Name.first_name,
-    last_name: Faker::Name.last_name,
+    name: Faker::Name.name,
     phone: Faker::PhoneNumber.cell_phone,
     group: groups.sample,
     status: Guest.statuses.keys.sample

spec/factories/guest.rb

@@ -4,8 +4,7 @@ FactoryBot.define do
   factory :guest do
     association :group
 
-    first_name { Faker::Name.first_name }
-    last_name { Faker::Name.last_name }
+    name { Faker::Name.name }
     phone { Faker::PhoneNumber.cell_phone }
   end
 end

spec/models/guest_spec.rb

@@ -28,12 +28,4 @@ RSpec.describe Guest, type: :model do
       end
     end
   end
-
-  describe '#full_name' do
-    it 'returns the full name of the guest' do
-      guest = create(:guest, first_name: 'John', last_name: 'Doe')
-
-      expect(guest.full_name).to eq('John Doe')
-    end
-  end
 end