app/controllers/promoter/events_controller.rb

@@ -5,7 +5,7 @@
 class Promoter::EventsController < ApplicationController
   before_action :authenticate_user!
   before_action :ensure_can_manage_events!
-  before_action :set_event, only: [ :show, :edit, :update, :destroy, :publish, :unpublish, :cancel, :mark_sold_out ]
+  before_action :set_event, only: [ :show, :edit, :update, :destroy, :publish, :unpublish, :cancel, :mark_sold_out, :duplicate ]
 
   # Display all events for the current promoter
   def index
@@ -93,6 +93,17 @@ class Promoter::EventsController < ApplicationController
     end
   end
 
+  # Duplicate an event and all its ticket types
+  def duplicate
+    @new_event = @event.duplicate
+
+    if @new_event
+      redirect_to edit_promoter_event_path(@new_event), notice: "Événement dupliqué avec succès! Vous pouvez maintenant modifier les détails de l'événement copié."
+    else
+      redirect_to promoter_event_path(@event), alert: "Erreur lors de la duplication de l'événement."
+    end
+  end
+
   private
 
   def ensure_can_manage_events!

app/models/event.rb

@@ -102,6 +102,33 @@ class Event < ApplicationRecord
     !!allow_booking_during_event
   end
 
+  # Duplicate an event with all its ticket types
+  def duplicate
+    # Duplicate the event
+    new_event = self.dup
+    new_event.name = "Copie de #{name}"
+    new_event.slug = "#{slug}-copy-#{Time.current.to_i}"
+    new_event.state = :draft
+    new_event.created_at = Time.current
+    new_event.updated_at = Time.current
+    
+    Event.transaction do
+      if new_event.save
+        # Duplicate all ticket types
+        ticket_types.each do |ticket_type|
+          new_ticket_type = ticket_type.dup
+          new_ticket_type.event = new_event
+          new_ticket_type.save!
+        end
+        new_event
+      else
+        nil
+      end
+    end
+  rescue
+    nil
+  end
+
   private
 
   # Determine if we should perform server-side geocoding

app/views/promoter/events/show.html.erb

@@ -39,6 +39,11 @@
         Modifier
       <% end %>
 
+      <%= button_to duplicate_promoter_event_path(@event), method: :post, class: "w-full sm:w-auto inline-flex items-center justify-center px-4 py-2 bg-blue-600 text-white font-medium rounded-lg hover:bg-blue-700 transition-colors duration-200" do %>
+        <i data-lucide="copy" class="w-4 h-4 mr-2"></i>
+        Dupliquer
+      <% end %>
+
       <% if @event.draft? %>
         <% if @event.ticket_types.blank? %>
           <%= button_to publish_promoter_event_path(@event), method: :patch, disabled: true, class: "w-full sm:w-auto inline-flex items-center justify-center px-4 py-2 bg-gray-400 text-white font-medium rounded-lg cursor-not-allowed transition-colors duration-200", title: "Vous devez créer au moins un type de billet avant de publier" do %>

config/routes.rb

@@ -81,6 +81,7 @@ Rails.application.routes.draw do
         patch :unpublish
         patch :cancel
         patch :mark_sold_out
+        post :duplicate
       end
 
       # Nested ticket types routes

test/controllers/promoter/events_controller_test.rb

@@ -26,5 +26,55 @@ class Promoter::EventsControllerTest < ActionDispatch::IntegrationTest
     assert_not_includes assigns(:events), other_event
   end
 
+  test "should duplicate an event with ticket types" do
+    sign_in @promoter
+    
+    # Create ticket types for the event
+    ticket_type1 = TicketType.create!(
+      name: "Standard Ticket",
+      description: "A standard ticket for the event with all the basic access",
+      price_cents: 2000,
+      quantity: 100,
+      sale_start_at: 1.day.ago,
+      sale_end_at: @event.start_time - 1.hour,
+      event: @event
+    )
+    
+    ticket_type2 = TicketType.create!(
+      name: "VIP Ticket",
+      description: "A VIP ticket for the event with special access",
+      price_cents: 5000,
+      quantity: 50,
+      sale_start_at: 1.day.ago,
+      sale_end_at: @event.start_time - 1.hour,
+      event: @event
+    )
+    
+    # Verify that ticket types were created successfully
+    assert ticket_type1.valid?
+    assert ticket_type2.valid?
+    
+    # Duplicate the event
+    assert_difference('Event.count', 1) do
+      post duplicate_promoter_event_path(@event)
+    end
+    
+    # Check that the new event was created
+    assert_redirected_to edit_promoter_event_path(Event.last)
+    assert_equal "Événement dupliqué avec succès! Vous pouvez maintenant modifier les détails de l'événement copié.", flash[:notice]
+    
+    # Check that the new event has the correct attributes
+    new_event = Event.last
+    assert_equal "Copie de #{@event.name}", new_event.name
+    assert_equal "draft", new_event.state
+    assert_equal @event.venue_name, new_event.venue_name
+    assert_equal @event.venue_address, new_event.venue_address
+    
+    # Check that ticket types were duplicated
+    assert_equal 2, new_event.ticket_types.count
+    assert_equal "Standard Ticket", new_event.ticket_types.find_by(name: "Standard Ticket").name
+    assert_equal "VIP Ticket", new_event.ticket_types.find_by(name: "VIP Ticket").name
+  end
+
   # Add tests for new, create, etc. as needed
 end

test/models/event_test.rb

@@ -271,4 +271,28 @@ class EventTest < ActiveSupport::TestCase
     event = Event.new
     assert_not event.allow_booking_during_event?
   end
+
+  test "should duplicate event with ticket types" do
+    user = User.create!(email: "test@example.com", password: "password123", password_confirmation: "password123")
+    event = Event.create!(name: "Original Event", slug: "original", description: "A description that is sufficiently long", venue_name: "v", venue_address: "a", user: user, latitude: 48.0, longitude: 2.0, start_time: 1.week.from_now, state: :published)
+    
+    # Create ticket types
+    ticket_type1 = TicketType.create!(name: "Standard", description: "A standard ticket for the event", price_cents: 2000, quantity: 100, sale_start_at: 1.day.ago, sale_end_at: event.start_time - 1.hour, event: event)
+    ticket_type2 = TicketType.create!(name: "VIP", description: "A VIP ticket for the event", price_cents: 5000, quantity: 50, sale_start_at: 1.day.ago, sale_end_at: event.start_time - 1.hour, event: event)
+    
+    # Duplicate the event
+    duplicated_event = event.duplicate
+    
+    # Check that duplication was successful
+    assert_not_nil duplicated_event
+    assert_equal "Copie de #{event.name}", duplicated_event.name
+    assert_equal "draft", duplicated_event.state
+    assert_equal event.venue_name, duplicated_event.venue_name
+    assert_equal event.venue_address, duplicated_event.venue_address
+    
+    # Check that ticket types were duplicated
+    assert_equal 2, duplicated_event.ticket_types.count
+    assert_equal "Standard", duplicated_event.ticket_types.find_by(name: "Standard").name
+    assert_equal "VIP", duplicated_event.ticket_types.find_by(name: "VIP").name
+  end
 end