.gitignore

@@ -36,3 +36,4 @@
 
 # Ignore swagger generated documentation
 swagger/v1/swagger.yaml
+wedding-planner.code-workspace

app/controllers/invitations_controller.rb

@@ -0,0 +1,42 @@
+class InvitationsController < ApplicationController
+  def index
+    render json: Invitation.includes(:guests).as_json(
+      only: :id,
+      include: {
+        guests: {
+          only: %i[id name]
+        }
+      }
+    )
+  end
+
+  def create
+    invitation = Invitation.create
+
+    if invitation.persisted?
+      render json: invitation, only: :id, status: :created
+    else
+      render json: { errors: invitation.errors.full_messages }, status: :unprocessable_entity
+    end
+  end
+
+  def update
+    invitation = Invitation.find(params[:id])
+
+    if invitation.update(guest_ids: params[:invitation][:guest_ids])
+      render json: invitation, only: :id, include: { guests: { only: %i[id name] } }, status: :ok
+    else
+      render json: { errors: invitation.errors.full_messages }, status: :unprocessable_entity
+    end
+  end
+
+  def destroy
+    invitation = Invitation.find(params[:id])
+
+    if invitation.destroy
+      head :no_content
+    else
+      render json: { errors: invitation.errors.full_messages }, status: :unprocessable_entity
+    end
+  end
+end

app/models/wedding.rb

@@ -21,4 +21,6 @@ class Wedding < ApplicationRecord
   validates :slug, presence: true, uniqueness: true, format: { with: /\A#{SLUG_REGEX}\z/ }
 
   has_many :guests, dependent: :delete_all
+  has_many :groups, dependent: :delete_all
+  has_many :invitations, dependent: :delete_all
 end

config/routes.rb

@@ -39,6 +39,7 @@ Rails.application.routes.draw do
     end
     resources :tables_arrangements, only: %i[index show create]
     resources :summary, only: :index
+    resources :invitations, only: %i[index create update destroy]
 
     root to: redirect("/%{slug}")
   end

db/seeds.rb

@@ -5,6 +5,7 @@
 NUMBER_OF_GUESTS = 200
 
 ActsAsTenant.without_tenant do
+  GroupAffinity.delete_all
   Wedding.delete_all
 end
 
@@ -78,6 +79,8 @@ ActsAsTenant.with_tenant(wedding) do
       guests.shift(rand(1..3)).each do |guest|
         guest.update!(invitation:)
       end
+      guests.shift(1) if rand < 0.3  # Leave a percentage of guests without an invitation
+
     end
   end