feat(promotion code): Promotion code system done

I added the features for users to use promotion code
and for promoters to create on their events.
May be rewrite to discount code?

BACKLOG.md

@@ -8,7 +8,6 @@
 
 ### Medium Priority
 
-- [ ] feat: Promotion code on ticket
 - [ ] feat: Promoter system with event creation, ticket types creation and metrics display
 - [ ] feat: Multiple ticket types (early bird, VIP, general admission)
 - [ ] feat: Refund management system

app/controllers/promoter/promotion_codes_controller.rb

@@ -0,0 +1,82 @@
+class Promoter::PromotionCodesController < ApplicationController
+  before_action :authenticate_user!
+  before_action :set_event
+  before_action :set_promotion_code, only: [ :edit, :update, :destroy ]
+
+  # GET /promoter/events/:event_id/promotion_codes
+  # Display all promotion codes for a specific event
+  def index
+    @promotion_codes = @event.promotion_codes.includes(:user)
+  end
+
+  
+  # GET /promoter/events/:event_id/promotion_codes/new
+  # Show form to create a new promotion code
+  def new
+    @promotion_code = @event.promotion_codes.new
+  end
+
+  # GET /promoter/events/:event_id/promotion_codes/:id/edit
+  # Show form to edit an existing promotion code
+  def edit
+  end
+
+  # POST /promoter/events/:event_id/promotion_codes
+  # Create a new promotion code for the event
+  def create
+    @promotion_code = @event.promotion_codes.new(promotion_code_params_with_conversion)
+    @promotion_code.user = current_user
+
+    if @promotion_code.save
+      redirect_to promoter_event_promotion_codes_path(@event), notice: "Promotion code was successfully created."
+    else
+      render :new, status: :unprocessable_entity
+    end
+  end
+
+  # PATCH/PUT /promoter/events/:event_id/promotion_codes/:id
+  # Update an existing promotion code
+  def update
+    if @promotion_code.update(promotion_code_params_with_conversion)
+      redirect_to promoter_event_promotion_codes_path(@event), notice: "Promotion code was successfully updated."
+    else
+      render :edit, status: :unprocessable_entity
+    end
+  end
+
+  # DELETE /promoter/events/:event_id/promotion_codes/:id
+  # Delete a promotion code
+  def destroy
+    @promotion_code.destroy
+    redirect_to promoter_event_promotion_codes_path(@event), notice: "Promotion code was successfully destroyed."
+  end
+
+  private
+
+  # Find the event based on the URL parameter
+  def set_event
+    @event = Event.find(params[:event_id])
+  end
+
+  # Find the promotion code based on the URL parameter
+  def set_promotion_code
+    @promotion_code = @event.promotion_codes.find(params[:id])
+  end
+
+  # Strong parameters for promotion code form (accepts euros for display)
+  def promotion_code_params
+    params.require(:promotion_code).permit(:code, :discount_amount_euros, :expires_at, :active, :usage_limit)
+  end
+
+  # Convert euros to cents for database storage
+  # The form displays euros for user convenience, but the database stores cents
+  def promotion_code_params_with_conversion
+    params = promotion_code_params
+    if params[:discount_amount_euros].present?
+      # Convert euros to cents (e.g., 20.50 -> 2050)
+      params[:discount_amount_cents] = (params[:discount_amount_euros].to_f * 100).to_i
+      params.delete(:discount_amount_euros) # Remove the temporary euro parameter
+    end
+    params
+  end
+end

app/models/event.rb

@@ -21,6 +21,7 @@ class Event < ApplicationRecord
   has_many :ticket_types
   has_many :tickets, through: :ticket_types
   has_many :orders
+  has_many :promotion_codes
 
   # === Callbacks ===
   before_validation :geocode_address, if: :should_geocode_address?

app/models/order.rb

@@ -90,10 +90,34 @@ class Order < ApplicationRecord
     end
   end
 
-  # Calculate total from ticket prices only (platform fee deducted from promoter payout)
+  # Calculate total from ticket prices minus promotion code discounts
   def calculate_total!
     ticket_total = tickets.sum(:price_cents)
-    update!(total_amount_cents: ticket_total)
+    discount_total = promotion_codes.sum(:discount_amount_cents)
+
+    # Ensure total doesn't go below zero
+    final_total = [ticket_total - discount_total, 0].max
+    update!(total_amount_cents: final_total)
+  end
+
+  # Subtotal amount before discounts
+  def subtotal_amount_cents
+    tickets.sum(:price_cents)
+  end
+
+  # Subtotal amount in euros
+  def subtotal_amount_euros
+    subtotal_amount_cents / 100.0
+  end
+
+  # Total discount amount from all promotion codes
+  def discount_amount_cents
+    promotion_codes.sum(:discount_amount_cents)
+  end
+
+  # Discount amount in euros
+  def discount_amount_euros
+    discount_amount_cents / 100.0
   end
 
   # Platform fee: €0.50 fixed + 1.5% of ticket price, per ticket

app/models/promotion_code.rb

@@ -12,9 +12,28 @@ class PromotionCode < ApplicationRecord
   before_create :increment_uses_count
 
   # Associations
+  belongs_to :user
+  belongs_to :event
   has_many :order_promotion_codes
   has_many :orders, through: :order_promotion_codes
 
+  # Instance methods
+  def discount_amount_euros
+    discount_amount_cents / 100.0
+  end
+
+  def active?
+    active && (expires_at.nil? || expires_at > Time.current)
+  end
+
+  def expired?
+    expires_at.present? && expires_at < Time.current
+  end
+
+  def can_be_used?
+    active? && (usage_limit.nil? || uses_count < usage_limit)
+  end
+
   private
 
   def increment_uses_count

app/views/orders/checkout.html.erb

@@ -1,30 +1,12 @@
 <div class="min-h-screen bg-gradient-to-br from-gray-50 to-gray-100 py-8">
-  <div class="max-w-4xl mx-auto px-4 sm:px-6 lg:px-8">
+  <div class="max-w-6xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
     <!-- Breadcrumb -->
-    <nav class="inline-flex items-center gap-2 bg-white px-4 py-3 rounded-xl shadow-sm border border-gray-100 mb-8" aria-label="Breadcrumb">
+    <%= render 'components/breadcrumb', crumbs: [
-      <div class="inline-flex items-center text-sm font-medium">
+      { name: 'Accueil', path: root_path },
-        <%= link_to root_path, class: "text-gray-700 hover:text-purple-600 transition-colors" do %>
+      { name: 'Événements', path: events_path },
-          <i data-lucide="home" class="w-4 h-4 mr-2"></i>
+      { name: @order.event.name, path: event_path(@order.event.slug, @order.event) },
-          Accueil
+      { name: "Commande ##{@order.id}", path: nil }
-        <% end %>
+    ] %>
-      </div>
-      <i data-lucide="chevron-right" class="w-4 h-4 text-gray-400"></i>
-      <div class="inline-flex items-center text-sm font-medium">
-        <%= link_to events_path, class: "text-gray-700 hover:text-purple-600 transition-colors" do %>
-          Événements
-        <% end %>
-      </div>
-      <i data-lucide="chevron-right" class="w-4 h-4 text-gray-400"></i>
-      <div class="inline-flex items-center text-sm font-medium">
-        <%= link_to event_path(@order.event.slug, @order.event), class: "text-gray-700 hover:text-purple-600 transition-colors" do %>
-          <%= @order.event.name %>
-        <% end %>
-      </div>
-      <i data-lucide="chevron-right" class="w-4 h-4 text-gray-400"></i>
-      <div class="text-sm font-medium text-purple-600">
-        Commande #<%= @order.id %>
-      </div>
-    </nav>
 
     <div class="grid grid-cols-1 lg:grid-cols-2 gap-8">
       <!-- Order Summary -->
@@ -77,8 +59,8 @@
         </div>
 
         <!-- Order Items -->
-        <div class="space-y-4 mb-6">
+        <div class="space-y-4 mb-6 border-b border-gray-200 pb-6 mb-6">
-          <h3 class="text-lg font-semibold text-gray-900 mb-4">Récapitulatif de votre commande</h3>
+          <h3 class="text-lg font-semibold text-gray-900 mb-4 ">Récapitulatif de votre commande</h3>
 
           <% @tickets.each do |ticket| %>
             <div class="flex items-center justify-between py-3 border-b border-gray-100 last:border-b-0">
@@ -99,12 +81,46 @@
           <% end %>
         </div>
 
+        <!-- Promotion Code Discount -->
+        <% if @order.promotion_codes.any? %>
+          <div class="space-y-2 mb-6 pb-6 border-b border-gray-200">
+            <% @order.promotion_codes.each do |promo_code| %>
+              <div class="flex items-center justify-between">
+                <span class="text-sm font-medium text-green-600">
+                  <i data-lucide="tag" class="w-4 h-4 mr-1"></i>
+                  Code: <%= promo_code.code %>
+                </span>
+                <span class="text-sm font-semibold text-green-600">-<%= promo_code.discount_amount_euros %>€</span>
+              </div>
+            <% end %>
+          </div>
+        <% end %>
+
         <!-- Order Total -->
         <div class=" pt-12">
           <div class="space-y-2">
-            <div class="flex items-center justify-between text-lg pt-2">
+            <!-- Subtotal -->
+            <div class="flex items-center justify-between">
+              <span class="text-sm text-gray-600">Sous-total</span>
+              <span class="text-sm font-medium text-gray-600"><%= @order.subtotal_amount_euros %>€</span>
+            </div>
+
+            <!-- Discount -->
+            <% if @order.discount_amount_cents > 0 %>
+              <div class="flex items-center justify-between">
+                <span class="text-sm text-green-600">Réduction</span>
+                <span class="text-sm font-semibold text-green-600">-<%= @order.discount_amount_euros %>€</span>
+              </div>
+            <% end %>
+
+            <!-- Total -->
+            <div class="flex items-center justify-between text-lg pt-2 border-t border-gray-200">
               <span class="font-medium text-gray-900">Total</span>
-              <span class="font-bold text-2xl text-purple-600"><%= @order.total_amount_euros %>€</span>
+              <% if @order.total_amount_cents == 0 %>
+                <span class="font-bold text-2xl text-green-600">GRATUIT</span>
+              <% else %>
+                <span class="font-bold text-2xl text-purple-600"><%= @order.total_amount_euros %>€</span>
+              <% end %>
             </div>
           </div>
           <p class="text-xs text-gray-500 mt-2">TVA incluse</p>
@@ -150,7 +166,11 @@
 >
               <div class="flex items-center justify-center">
                 <i data-lucide="credit-card" class="w-5 h-5 mr-2"></i>
-                Payer <%= @order.total_amount_euros %>€
+                <% if @order.total_amount_cents == 0 %>
+                  Confirmer la commande
+                <% else %>
+                  Payer <%= @order.total_amount_euros %>€
+                <% end %>
               </div>
             </button>
 
@@ -251,7 +271,11 @@ const stripeResult = await stripe.redirectToCheckout({
                   button.innerHTML = `
                     <div class="flex items-center justify-center">
                       <i data-lucide="credit-card" class="w-5 h-5 mr-2"></i>
-                      Payer <%= @order.total_amount_euros %>€
+                      <% if @order.total_amount_cents == 0 %>
+                        Confirmer la commande
+                      <% else %>
+                        Payer <%= @order.total_amount_euros %>€
+                      <% end %>
                     </div>
                   `;
                   alert('Erreur: ' + error.message);

app/views/orders/payment_success.html.erb

@@ -123,13 +123,58 @@
           <% end %>
         </div>
 
-        <!-- Total -->
+        <!-- Promotion Codes Applied -->
-        <div class="mt-6">
+        <% if @order.promotion_codes.any? %>
+          <div class="mt-6 p-4 bg-green-50 border border-green-200 rounded-lg">
+            <h3 class="text-lg font-semibold text-green-900 mb-3 flex items-center">
+              <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 5v2m0 4v2m0 4v2M5 5a2 2 0 00-2 2v3a2 2 0 110 4v3a2 2 0 002 2h14a2 2 0 002-2v-3a2 2 0 110-4V7a2 2 0 00-2-2H5z"/>
+              </svg>
+              Codes promotionnels appliqués
+            </h3>
+            <% @order.promotion_codes.each do |promo_code| %>
+              <div class="flex items-center justify-between py-2 px-3 bg-white rounded-lg border border-green-200 mb-2 last:mb-0">
+                <div class="flex items-center">
+                  <span class="text-sm font-medium text-green-800">
+                    <svg class="w-4 h-4 mr-1 inline" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z"/>
+                    </svg>
+                    <%= promo_code.code %>
+                  </span>
+                </div>
+                <span class="text-sm font-semibold text-green-700">-<%= promo_code.discount_amount_euros %>€</span>
+              </div>
+            <% end %>
+          </div>
+        <% end %>
+
+        <!-- Price Breakdown -->
+        <div class="mt-6 p-4 bg-gray-50 border border-gray-200 rounded-lg">
+          <h3 class="text-lg font-semibold text-gray-900 mb-3">Détail du paiement</h3>
           <div class="space-y-2">
-            <div class="flex items-center justify-between text-lg pt-2">
+            <!-- Subtotal -->
+            <div class="flex items-center justify-between text-sm">
+              <span class="text-gray-600">Sous-total</span>
+              <span class="font-medium text-gray-700"><%= @order.subtotal_amount_euros %>€</span>
+            </div>
+
+            <!-- Discount -->
+            <% if @order.discount_amount_cents > 0 %>
+              <div class="flex items-center justify-between text-sm">
+                <span class="text-green-600">Réduction</span>
+                <span class="font-semibold text-green-600">-<%= @order.discount_amount_euros %>€</span>
+              </div>
+            <% end %>
+
+            <!-- Total -->
+            <div class="flex items-center justify-between pt-2 border-t border-gray-300">
               <span class="font-medium text-gray-900">Total payé</span>
-              <span class="font-bold text-2xl text-green-600">
+              <span class="font-bold text-xl text-green-600">
-                <%= @order.total_amount_euros %>€
+                <% if @order.total_amount_cents == 0 %>
+                  GRATUIT
+                <% else %>
+                  <%= @order.total_amount_euros %>€
+                <% end %>
               </span>
             </div>
           </div>

app/views/orders/show.html.erb

@@ -94,14 +94,57 @@
           <% end %>
         </div>
 
-        <!-- Total -->
+        <!-- Promotion Codes Applied -->
+        <% if @order.promotion_codes.any? %>
+          <div class="mt-6 p-4 bg-green-50 border border-green-200 rounded-lg">
+            <h3 class="text-lg font-semibold text-green-900 mb-3 flex items-center">
+              <i data-lucide="tag" class="w-5 h-5 mr-2"></i>
+              Codes promotionnels appliqués
+            </h3>
+            <% @order.promotion_codes.each do |promo_code| %>
+              <div class="flex items-center justify-between py-2 px-3 bg-white rounded-lg border border-green-200 mb-2 last:mb-0">
+                <div class="flex items-center">
+                  <span class="text-sm font-medium text-green-800">
+                    <i data-lucide="check-circle" class="w-4 h-4 mr-1 inline"></i>
+                    <%= promo_code.code %>
+                  </span>
+                </div>
+                <span class="text-sm font-semibold text-green-700">-<%= promo_code.discount_amount_euros %>€</span>
+              </div>
+            <% end %>
+          </div>
+        <% end %>
+
+        <!-- Price Breakdown -->
         <div class="border-t border-gray-200 pt-6 mt-6">
-            <div class="flex items-center justify-between text-lg pt-2">
+          <h3 class="text-lg font-semibold text-gray-900 mb-3">Détail du paiement</h3>
+          <div class="space-y-2">
+            <!-- Subtotal -->
+            <div class="flex items-center justify-between text-sm">
+              <span class="text-gray-600">Sous-total</span>
+              <span class="font-medium text-gray-700"><%= @order.subtotal_amount_euros %>€</span>
+            </div>
+
+            <!-- Discount -->
+            <% if @order.discount_amount_cents > 0 %>
+              <div class="flex items-center justify-between text-sm">
+                <span class="text-green-600">Réduction</span>
+                <span class="font-semibold text-green-600">-<%= @order.discount_amount_euros %>€</span>
+              </div>
+            <% end %>
+
+            <!-- Total -->
+            <div class="flex items-center justify-between pt-2 border-t border-gray-300">
               <span class="font-medium text-gray-900">Total <%= @order.status == 'paid' || @order.status == 'completed' ? 'payé' : 'à payer' %></span>
               <span class="font-bold text-2xl <%= @order.status == 'paid' || @order.status == 'completed' ? 'text-green-600' : 'text-purple-600' %>">
-                <%= @order.total_amount_euros %>€
+                <% if @order.total_amount_cents == 0 %>
+                  GRATUIT
+                <% else %>
+                  <%= @order.total_amount_euros %>€
+                <% end %>
               </span>
             </div>
+          </div>
         </div>
 
         <!-- View Invoice -->

app/views/pages/dashboard.html.erb

@@ -7,11 +7,11 @@
       { name: 'Tableau de bord', path: dashboard_path }
     ] %>
 
-  <!-- Page Header -->
+  <!-- Promoter Page Header -->
   <div class="mb-8">
     <div class="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4">
       <div>
-        <h1 class="text-3xl font-bold text-gray-900">Mon tableau de bord</h1>
+        <h1 class="text-3xl font-bold text-gray-900">Mon tableau de bord promoteur</h1>
         <p class="text-gray-600 mt-1">Gérez vos commandes et accédez à vos billets</p>
       </div>
 
@@ -76,7 +76,9 @@
         </div>
       </div>
 
+      <!-- Brouillons -->
       <div class="bg-gradient-to-br from-orange-50 to-orange-100 rounded-2xl p-6 border border-orange-200">
+        <%= link_to promoter_events_path do %>
         <div class="flex items-center justify-between">
           <div>
             <p class="text-orange-600 text-sm font-medium">Brouillons</p>
@@ -86,7 +88,9 @@
             <i data-lucide="edit-3" class="w-6 h-6 text-orange-700"></i>
           </div>
         </div>
-      </div>
+        <% end %>
+      </div><!-- /Brouillons -->
+
     </div>
 
     <!-- Revenue Chart & Recent Events -->
@@ -273,6 +277,16 @@
     </div>
   <% end %>
 
+  <!-- User Page Header -->
+  <div class="mb-8">
+    <div class="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4">
+      <div>
+        <h1 class="text-3xl font-bold text-gray-900">Mon tableau de bord</h1>
+        <p class="text-gray-600 mt-1">Accédez à vos billets et évenements</p>
+      </div>
+    </div>
+  </div>
+
   <!-- User's Orders Section -->
   <div class="bg-white rounded-2xl shadow-lg mb-8">
     <div class="border-b border-gray-100 p-4 sm:p-6">

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

@@ -209,6 +209,42 @@
 
     <!-- Sidebar -->
     <div class="space-y-6">
+      <!-- Quick actions -->
+      <div class="bg-white rounded-2xl border border-gray-200 p-4 sm:p-6">
+        <h3 class="text-lg font-semibold text-gray-900 mb-4">Actions rapides</h3>
+        <div class="space-y-3">
+          <%= link_to promoter_event_ticket_types_path(@event), class: "w-full inline-flex items-center justify-center px-4 py-3 bg-purple-600 text-white font-medium text-sm rounded-lg hover:bg-purple-700 transition-colors duration-200" do %>
+            <i data-lucide="ticket" class="w-4 h-4 mr-2"></i>
+            Gérer les types de billets
+          <% end %>
+
+          <%= link_to promoter_event_promotion_codes_path(@event), class: "w-full inline-flex items-center justify-center px-4 py-3 bg-green-600 text-white font-medium text-sm rounded-lg hover:bg-green-700 transition-colors duration-200" do %>
+            <i data-lucide="tag" class="w-4 h-4 mr-2"></i>
+            Gérer les codes de réduction
+          <% end %>
+
+          <% if @event.sold_out? %>
+            <%= button_to mark_available_promoter_event_path(@event), method: :patch, class: "w-full inline-flex items-center justify-center px-4 py-3 bg-blue-50 text-blue-700 font-medium text-sm rounded-lg hover:bg-blue-100 transition-colors duration-200" do %>
+              <i data-lucide="refresh-ccw" class="w-4 h-4 mr-2"></i>
+              Marquer comme disponible
+            <% end %>
+          <% elsif @event.published? %>
+            <%= button_to mark_sold_out_promoter_event_path(@event), method: :patch, class: "w-full inline-flex items-center justify-center px-4 py-3 bg-gray-50 text-gray-700 font-medium text-sm rounded-lg hover:bg-gray-100 transition-colors duration-200" do %>
+              <i data-lucide="users" class="w-4 h-4 mr-2"></i>
+              Marquer comme complet
+            <% end %>
+          <% end %>
+
+          <hr class="border-gray-200">
+          <%= button_to promoter_event_path(@event), method: :delete,
+              data: { confirm: "Êtes-vous sûr de vouloir supprimer cet événement ? Cette action est irréversible." },
+              class: "w-full inline-flex items-center justify-center px-4 py-3 text-red-600 font-medium text-sm rounded-lg hover:bg-red-50 transition-colors duration-200" do %>
+            <i data-lucide="trash-2" class="w-4 h-4 mr-2"></i>
+            Supprimer l'événement
+          <% end %>
+        </div>
+      </div>
+
       <!-- Event stats -->
       <div class="bg-white rounded-2xl border border-gray-200 p-4 sm:p-6">
         <h3 class="text-lg font-semibold text-gray-900 mb-4">Statistiques</h3>
@@ -269,36 +305,6 @@
         </div>
       </div>
 
-      <!-- Quick actions -->
-      <div class="bg-white rounded-2xl border border-gray-200 p-4 sm:p-6">
-        <h3 class="text-lg font-semibold text-gray-900 mb-4">Actions rapides</h3>
-        <div class="space-y-3">
-          <%= link_to promoter_event_ticket_types_path(@event), class: "w-full inline-flex items-center justify-center px-4 py-3 bg-purple-600 text-white font-medium text-sm rounded-lg hover:bg-purple-700 transition-colors duration-200" do %>
-            <i data-lucide="ticket" class="w-4 h-4 mr-2"></i>
-            Gérer les types de billets
-          <% end %>
-          
-          <% if @event.sold_out? %>
-            <%= button_to mark_available_promoter_event_path(@event), method: :patch, class: "w-full inline-flex items-center justify-center px-4 py-3 bg-blue-50 text-blue-700 font-medium text-sm rounded-lg hover:bg-blue-100 transition-colors duration-200" do %>
-              <i data-lucide="refresh-ccw" class="w-4 h-4 mr-2"></i>
-              Marquer comme disponible
-            <% end %>
-          <% elsif @event.published? %>
-            <%= button_to mark_sold_out_promoter_event_path(@event), method: :patch, class: "w-full inline-flex items-center justify-center px-4 py-3 bg-gray-50 text-gray-700 font-medium text-sm rounded-lg hover:bg-gray-100 transition-colors duration-200" do %>
-              <i data-lucide="users" class="w-4 h-4 mr-2"></i>
-              Marquer comme complet
-            <% end %>
-          <% end %>
-          
-          <hr class="border-gray-200">
-          <%= button_to promoter_event_path(@event), method: :delete,
-              data: { confirm: "Êtes-vous sûr de vouloir supprimer cet événement ? Cette action est irréversible." },
-              class: "w-full inline-flex items-center justify-center px-4 py-3 text-red-600 font-medium text-sm rounded-lg hover:bg-red-50 transition-colors duration-200" do %>
-            <i data-lucide="trash-2" class="w-4 h-4 mr-2"></i>
-            Supprimer l'événement
-          <% end %>
-        </div>
-      </div>
     </div>
   </div>
 

app/views/promoter/promotion_codes/edit.html.erb

@@ -0,0 +1,109 @@
+<% content_for(:title, "Modifier le code de réduction - #{@event.name}") %>
+
+<div class="max-w-6xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
+
+  <!-- Breadcrumb -->
+  <%= render 'components/breadcrumb', crumbs: [
+    { name: 'Accueil', path: root_path },
+    { name: 'Tableau de bord', path: dashboard_path },
+    { name: 'Mes événements', path: promoter_events_path },
+    { name: @event.name, path: promoter_event_path(@event) },
+    { name: 'Codes de réduction', path: promoter_event_promotion_codes_path(@event) },
+    { name: "Modifier #{@promotion_code.code}" }
+  ] %>
+
+  <div class="max-w-2xl mx-auto">
+    <div class="mb-8">
+      <div class="flex items-center space-x-4 mb-4">
+        <%= link_to promoter_event_promotion_codes_path(@event), class: "text-gray-400 hover:text-gray-600 transition-colors" do %>
+          <i data-lucide="arrow-left" class="w-5 h-5"></i>
+        <% end %>
+        <div class="flex-1">
+          <h1 class="text-3xl font-bold text-gray-900 mb-2">Modifier le code de réduction</h1>
+          <p class="text-gray-600">
+            <code class="bg-gray-100 px-2 py-1 rounded text-sm"><%= @promotion_code.code %></code> pour <%= link_to @event.name, promoter_event_path(@event), class: "text-purple-600 hover:text-purple-800" %>
+          </p>
+        </div>
+      </div>
+    </div>
+
+    <%= form_with(model: [@event, @promotion_code], url: promoter_event_promotion_code_path(@event, @promotion_code), method: :patch, local: true, class: "bg-white rounded-2xl border border-gray-200 p-6 sm:p-8") do |form| %>
+      <% if @promotion_code.errors.any? %>
+        <div class="bg-red-50 border border-red-200 rounded-2xl p-4 mb-6">
+          <div class="flex items-start">
+            <i data-lucide="alert-circle" class="w-5 h-5 text-red-400 mr-3 mt-0.5 flex-shrink-0"></i>
+            <div class="flex-1">
+              <h3 class="text-sm font-medium text-red-800 mb-2">
+                <%= pluralize(@promotion_code.errors.count, "erreur") %> ont empêché ce code de réduction d'être sauvegardé :
+              </h3>
+              <ul class="list-disc list-inside text-sm text-red-700">
+                <% @promotion_code.errors.full_messages.each do |message| %>
+                  <li><%= message %></li>
+                <% end %>
+              </ul>
+            </div>
+          </div>
+        </div>
+      <% end %>
+
+      <div class="space-y-6">
+        <div>
+          <%= form.label :code, "Code de réduction", class: "block text-sm font-medium text-gray-700 mb-2" %>
+          <%= form.text_field :code, class: "w-full px-4 py-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent transition-colors", placeholder: "Ex: SUMMER2024, BIENVENUE10, etc." %>
+          <p class="text-sm text-gray-500 mt-2">Ce code sera visible par les clients lors du paiement</p>
+        </div>
+
+        <div>
+          <%= form.label :discount_amount_euros, "Montant de la réduction (en euros)", class: "block text-sm font-medium text-gray-700 mb-2" %>
+          <%= form.number_field :discount_amount_euros, class: "w-full px-4 py-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent transition-colors", placeholder: "10", min: 0, step: "0.01", value: number_with_precision(@promotion_code.discount_amount_cents.to_f / 100, precision: 2) %>
+          <p class="text-sm text-gray-500 mt-2">Entrez le montant en euros (ex: 10, 5.50, 25)</p>
+        </div>
+
+        <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
+          <div>
+            <%= form.label :expires_at, "Date d'expiration", class: "block text-sm font-medium text-gray-700 mb-2" %>
+            <%= form.datetime_local_field :expires_at, class: "w-full px-4 py-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent transition-colors" %>
+            <p class="text-sm text-gray-500 mt-2">Laissez vide pour une durée illimitée</p>
+          </div>
+
+          <div>
+            <%= form.label :usage_limit, "Limite d'utilisation", class: "block text-sm font-medium text-gray-700 mb-2" %>
+            <%= form.number_field :usage_limit, class: "w-full px-4 py-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent transition-colors", placeholder: "Ex: 50", min: 1 %>
+            <p class="text-sm text-gray-500 mt-2">Laissez vide pour une utilisation illimitée</p>
+          </div>
+        </div>
+
+        <div class="flex items-center justify-between p-4 bg-gray-50 rounded-lg">
+          <div class="flex items-center">
+            <%= form.check_box :active, class: "h-4 w-4 text-purple-600 focus:ring-purple-500 border-gray-300 rounded" %>
+            <%= form.label :active, "Code actif", class: "ml-3 block text-sm font-medium text-gray-900" %>
+          </div>
+          <div class="text-sm text-gray-500">
+            Les clients peuvent utiliser ce code de réduction
+          </div>
+        </div>
+
+        <div class="bg-blue-50 border border-blue-200 rounded-lg p-4">
+          <div class="flex items-start">
+            <i data-lucide="info" class="w-5 h-5 text-blue-400 mr-3 mt-0.5 flex-shrink-0"></i>
+            <div>
+              <h4 class="text-sm font-medium text-blue-800 mb-1">Statut actuel</h4>
+              <div class="text-sm text-blue-700">
+                <p>Utilisations: <%= @promotion_code.uses_count %><%= " / #{@promotion_code.usage_limit}" if @promotion_code.usage_limit %></p>
+                <p>Commandes associées: <%= @promotion_code.orders.count %></p>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+
+      <div class="flex items-center justify-between pt-6 mt-8 border-t border-gray-200">
+        <%= link_to promoter_event_promotion_codes_path(@event), class: "inline-flex items-center px-6 py-3 border border-gray-300 text-gray-700 font-medium rounded-lg hover:bg-gray-50 transition-colors duration-200" do %>
+          <i data-lucide="x" class="w-4 h-4 mr-2"></i>
+          Annuler
+        <% end %>
+        <%= form.submit "Mettre à jour le code de réduction", class: "inline-flex items-center px-6 py-3 bg-gray-900 text-white font-medium rounded-lg hover:bg-gray-800 transition-colors duration-200" %>
+      </div>
+    <% end %>
+  </div>
+</div>

app/views/promoter/promotion_codes/index.html.erb

@@ -0,0 +1,175 @@
+<% content_for(:title, "Codes de réduction - #{@event.name}") %>
+
+<div class="max-w-6xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
+
+  <!-- Breadcrumb -->
+  <%= render 'components/breadcrumb', crumbs: [
+    { name: 'Accueil', path: root_path },
+    { name: 'Tableau de bord', path: dashboard_path },
+    { name: 'Mes événements', path: promoter_events_path },
+    { name: @event.name, path: promoter_event_path(@event) },
+    { name: 'Codes de réduction' }
+  ] %>
+
+  <div class="mb-8">
+    <div class="flex items-center space-x-4 mb-4">
+      <%= link_to promoter_event_path(@event), class: "text-gray-400 hover:text-gray-600 transition-colors" do %>
+        <i data-lucide="arrow-left" class="w-5 h-5"></i>
+      <% end %>
+      <div class="flex-1">
+        <h1 class="text-3xl font-bold text-gray-900 mb-2">Codes de réduction</h1>
+        <p class="text-gray-600">
+          <%= link_to @event.name, promoter_event_path(@event), class: "text-purple-600 hover:text-purple-800" %>
+        </p>
+      </div>
+      <%= link_to new_promoter_event_promotion_code_path(@event), class: "inline-flex items-center px-6 py-3 bg-gray-900 text-white font-medium rounded-lg hover:bg-gray-800 transition-colors duration-200" do %>
+        <i data-lucide="plus" class="w-4 h-4 mr-2"></i>
+        Nouveau code
+      <% end %>
+    </div>
+
+    <!-- Event status info -->
+    <% if @event.draft? %>
+      <div class="bg-gray-50 border border-gray-200 rounded-2xl p-4 mb-6">
+        <div class="flex items-center">
+          <i data-lucide="info" class="w-5 h-5 text-gray-400 mr-3"></i>
+          <p class="text-sm text-gray-600">
+            Cet événement est en brouillon. Les codes de réduction ne seront actifs qu'une fois l'événement publié.
+          </p>
+        </div>
+      </div>
+    <% end %>
+  </div>
+
+  <% if @promotion_codes.any? %>
+    <div class="grid gap-6">
+      <% @promotion_codes.each do |promotion_code| %>
+        <div class="bg-white rounded-2xl border border-gray-200 p-6 hover:shadow-md transition-shadow duration-200">
+          <div class="flex items-start justify-between">
+            <!-- Promotion code info -->
+            <div class="flex-1">
+              <div class="flex items-start justify-between mb-4">
+                <div>
+                  <h3 class="text-xl font-semibold text-gray-900 mb-2">
+                    <%= promotion_code.code %>
+                  </h3>
+                  <p class="text-gray-600 mb-3">Réduction de <%= number_to_currency(promotion_code.discount_amount_cents / 100.0, unit: "€") %></p>
+                </div>
+
+                <!-- Status badge -->
+                <div class="ml-4">
+                  <% if promotion_code.active? && (promotion_code.expires_at.nil? || promotion_code.expires_at > Time.current) %>
+                    <span class="inline-flex px-3 py-1 text-sm font-semibold rounded-full bg-green-100 text-green-800">
+                      <i data-lucide="check-circle" class="w-4 h-4 mr-1"></i>
+                      Actif
+                    </span>
+                  <% elsif promotion_code.expires_at && promotion_code.expires_at <= Time.current %>
+                    <span class="inline-flex px-3 py-1 text-sm font-semibold rounded-full bg-red-100 text-red-800">
+                      <i data-lucide="x-circle" class="w-4 h-4 mr-1"></i>
+                      Expiré
+                    </span>
+                  <% else %>
+                    <span class="inline-flex px-3 py-1 text-sm font-semibold rounded-full bg-gray-100 text-gray-800">
+                      <i data-lucide="pause-circle" class="w-4 h-4 mr-1"></i>
+                      Inactif
+                    </span>
+                  <% end %>
+                </div>
+              </div>
+
+              <!-- Promotion code details grid -->
+              <div class="grid grid-cols-2 md:grid-cols-4 gap-4 mb-4">
+                <div class="text-center p-3 bg-gray-50 rounded-lg">
+                  <div class="text-2xl font-bold text-green-600">
+                    <%= number_to_currency(promotion_code.discount_amount_cents / 100.0, unit: "€") %>
+                  </div>
+                  <div class="text-sm text-gray-500">Réduction</div>
+                </div>
+
+                <div class="text-center p-3 bg-gray-50 rounded-lg">
+                  <div class="text-2xl font-bold text-gray-900">
+                    <% if promotion_code.usage_limit %>
+                      <%= promotion_code.usage_limit - promotion_code.uses_count %>
+                    <% else %>
+                      ∞
+                    <% end %>
+                  </div>
+                  <div class="text-sm text-gray-500">Restants</div>
+                </div>
+
+                <div class="text-center p-3 bg-gray-50 rounded-lg">
+                  <div class="text-2xl font-bold text-gray-900">
+                    <%= promotion_code.uses_count %>
+                  </div>
+                  <div class="text-sm text-gray-500">Utilisés</div>
+                </div>
+
+                <div class="text-center p-3 bg-gray-50 rounded-lg">
+                  <div class="text-2xl font-bold text-blue-600">
+                    <%= promotion_code.orders.count %>
+                  </div>
+                  <div class="text-sm text-gray-500">Commandes</div>
+                </div>
+              </div>
+
+              <!-- Additional info -->
+              <div class="flex flex-wrap items-center gap-4 text-sm text-gray-500 mb-4">
+                <% if promotion_code.expires_at %>
+                  <span class="flex items-center">
+                    <i data-lucide="clock" class="w-4 h-4 mr-1"></i>
+                    Expire le : <%= l(promotion_code.expires_at, format: :short) %>
+                  </span>
+                <% else %>
+                  <span class="flex items-center">
+                    <i data-lucide="infinity" class="w-4 h-4 mr-1"></i>
+                    Pas d'expiration
+                  </span>
+                <% end %>
+                <span class="flex items-center">
+                  <i data-lucide="user" class="w-4 h-4 mr-1"></i>
+                  <% if promotion_code.user.first_name && promotion_code.user.last_name %>
+                    Créé par : <%= promotion_code.user.first_name %> <%= promotion_code.user.last_name %>
+                  <% else %>
+                    Créé par : <%= promotion_code.user.email %>
+                  <% end %>
+                </span>
+              </div>
+            </div>
+          </div>
+
+          <!-- Actions -->
+          <div class="flex items-center justify-between pt-4 border-t border-gray-200">
+            <div class="flex items-center space-x-3">
+              <%= link_to edit_promoter_event_promotion_code_path(@event, promotion_code), class: "text-gray-400 hover:text-blue-600 transition-colors", title: "Modifier" do %>
+                <i data-lucide="edit" class="w-5 h-5"></i>
+              <% end %>
+              <% if promotion_code.orders.empty? %>
+                <%= button_to promoter_event_promotion_code_path(@event, promotion_code), method: :delete,
+                    data: { confirm: "Êtes-vous sûr de vouloir supprimer ce code de réduction ?" },
+                    class: "text-gray-400 hover:text-red-600 transition-colors", title: "Supprimer" do %>
+                  <i data-lucide="trash-2" class="w-5 h-5"></i>
+                <% end %>
+              <% end %>
+            </div>
+
+            <div class="text-sm text-gray-500">
+              Créé il y a <%= time_ago_in_words(promotion_code.created_at) %>
+            </div>
+          </div>
+        </div>
+      <% end %>
+    </div>
+  <% else %>
+    <div class="bg-white rounded-2xl border-2 border-dashed border-gray-300 p-12 text-center">
+      <div class="mx-auto h-24 w-24 rounded-full bg-gray-100 flex items-center justify-center mb-6">
+        <i data-lucide="tag" class="w-12 h-12 text-gray-400"></i>
+      </div>
+      <h3 class="text-xl font-semibold text-gray-900 mb-2">Aucun code de réduction</h3>
+      <p class="text-gray-500 mb-6">Créez des codes de réduction pour offrir des remises spéciales à vos clients.</p>
+      <%= link_to new_promoter_event_promotion_code_path(@event), class: "inline-flex items-center px-6 py-3 bg-gray-900 text-white font-medium rounded-lg hover:bg-gray-800 transition-colors duration-200" do %>
+        <i data-lucide="plus" class="w-4 h-4 mr-2"></i>
+        Créer mon premier code de réduction
+      <% end %>
+    </div>
+  <% end %>
+</div>

app/views/promoter/promotion_codes/new.html.erb

@@ -0,0 +1,96 @@
+<% content_for(:title, "Nouveau code de réduction - #{@event.name}") %>
+
+<div class="max-w-6xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
+
+  <!-- Breadcrumb -->
+  <%= render 'components/breadcrumb', crumbs: [
+    { name: 'Accueil', path: root_path },
+    { name: 'Tableau de bord', path: dashboard_path },
+    { name: 'Mes événements', path: promoter_events_path },
+    { name: @event.name, path: promoter_event_path(@event) },
+    { name: 'Codes de réduction', path: promoter_event_promotion_codes_path(@event) },
+    { name: 'Nouveau code' }
+  ] %>
+
+  <div class="max-w-2xl mx-auto">
+    <div class="mb-8">
+      <div class="flex items-center space-x-4 mb-4">
+        <%= link_to promoter_event_promotion_codes_path(@event), class: "text-gray-400 hover:text-gray-600 transition-colors" do %>
+          <i data-lucide="arrow-left" class="w-5 h-5"></i>
+        <% end %>
+        <div class="flex-1">
+          <h1 class="text-3xl font-bold text-gray-900 mb-2">Nouveau code de réduction</h1>
+          <p class="text-gray-600">
+            Pour <%= link_to @event.name, promoter_event_path(@event), class: "text-purple-600 hover:text-purple-800" %>
+          </p>
+        </div>
+      </div>
+    </div>
+
+    <%= form_with(model: [@event, @promotion_code], url: promoter_event_promotion_codes_path(@event), local: true, class: "bg-white rounded-2xl border border-gray-200 p-6 sm:p-8") do |form| %>
+      <% if @promotion_code.errors.any? %>
+        <div class="bg-red-50 border border-red-200 rounded-2xl p-4 mb-6">
+          <div class="flex items-start">
+            <i data-lucide="alert-circle" class="w-5 h-5 text-red-400 mr-3 mt-0.5 flex-shrink-0"></i>
+            <div class="flex-1">
+              <h3 class="text-sm font-medium text-red-800 mb-2">
+                <%= pluralize(@promotion_code.errors.count, "erreur") %> ont empêché ce code de réduction d'être sauvegardé :
+              </h3>
+              <ul class="list-disc list-inside text-sm text-red-700">
+                <% @promotion_code.errors.full_messages.each do |message| %>
+                  <li><%= message %></li>
+                <% end %>
+              </ul>
+            </div>
+          </div>
+        </div>
+      <% end %>
+
+      <div class="space-y-6">
+        <div>
+          <%= form.label :code, "Code de réduction", class: "block text-sm font-medium text-gray-700 mb-2" %>
+          <%= form.text_field :code, class: "w-full px-4 py-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent transition-colors", placeholder: "Ex: BIENVENUE10, VIP20" %>
+          <p class="text-sm text-gray-500 mt-2">Ce code sera à appliquer par le client lors du paiement.</p>
+        </div>
+
+        <div>
+          <%= form.label :discount_amount_euros, "Montant de la réduction (en euros)", class: "block text-sm font-medium text-gray-700 mb-2" %>
+          <%= form.number_field :discount_amount_euros, class: "w-full px-4 py-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent transition-colors", placeholder: "10", min: 0, step: "0.01", value: number_with_precision(@promotion_code.discount_amount_cents.to_f / 100, precision: 2) %>
+          <p class="text-sm text-gray-500 mt-2">Entrez le montant en euros</p>
+        </div>
+
+        <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
+          <div>
+            <%= form.label :expires_at, "Date d'expiration", class: "block text-sm font-medium text-gray-700 mb-2" %>
+            <%= form.datetime_local_field :expires_at, class: "w-full px-4 py-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent transition-colors" %>
+            <p class="text-sm text-gray-500 mt-2">Laissez vide pour une durée illimitée</p>
+          </div>
+
+          <div>
+            <%= form.label :usage_limit, "Limite d'utilisation", class: "block text-sm font-medium text-gray-700 mb-2" %>
+            <%= form.number_field :usage_limit, class: "w-full px-4 py-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent transition-colors", placeholder: "Ex: 50", min: 1 %>
+            <p class="text-sm text-gray-500 mt-2">Laissez vide pour une utilisation illimitée</p>
+          </div>
+        </div>
+
+        <div class="flex items-center justify-between p-4 bg-gray-50 rounded-lg">
+          <div class="flex items-center">
+            <%= form.check_box :active, class: "h-4 w-4 text-purple-600 focus:ring-purple-500 border-gray-300 rounded" %>
+            <%= form.label :active, "Code actif", class: "ml-3 block text-sm font-medium text-gray-900" %>
+          </div>
+          <div class="text-sm text-gray-500">
+            Les clients peuvent utiliser ce code de réduction
+          </div>
+        </div>
+      </div>
+
+      <div class="flex items-center justify-between pt-6 mt-8 border-t border-gray-200">
+        <%= link_to promoter_event_promotion_codes_path(@event), class: "inline-flex items-center px-6 py-3 border border-gray-300 text-gray-700 font-medium rounded-lg hover:bg-gray-50 transition-colors duration-200" do %>
+          <i data-lucide="x" class="w-4 h-4 mr-2"></i>
+          Annuler
+        <% end %>
+        <%= form.submit "Créer le code de réduction", class: "inline-flex items-center px-6 py-3 bg-gray-900 text-white font-medium rounded-lg hover:bg-gray-800 transition-colors duration-200" %>
+      </div>
+    <% end %>
+  </div>
+</div>

config/routes.rb

@@ -91,6 +91,16 @@ Rails.application.routes.draw do
           post :duplicate
         end
       end
+
+      # Nested promotion codes routes
+      resources :promotion_codes, except: [ :show ]
+    end
+  end
+
+  # === Promotion Codes Routes ===
+  resources :promotion_codes, only: [ :index ] do
+    member do
+      post :apply
     end
   end
 

db/migrate/20250823170409_create_orders.rb

@@ -1,14 +1,15 @@
 class CreateOrders < ActiveRecord::Migration[8.0]
   def change
     create_table :orders do |t|
-      t.references :user, null: false, foreign_key: false
-      t.references :event, null: false, foreign_key: false
       t.string :status, null: false, default: "draft"
       t.integer :total_amount_cents, null: false, default: 0
       t.integer :payment_attempts, null: false, default: 0
       t.timestamp :expires_at
       t.timestamp :last_payment_attempt_at
 
+      t.references :user, null: false, foreign_key: false
+      t.references :event, null: false, foreign_key: false
+
       t.timestamps
     end
 

db/migrate/20250928180837_create_promotion_codes.rb

@@ -7,8 +7,12 @@ class CreatePromotionCodes < ActiveRecord::Migration[8.0]
       t.boolean :active, default: true, null: false
       t.integer :usage_limit, default: nil
       t.integer :uses_count, default: 0, null: false
-      t.datetime :created_at, null: false
+
-      t.datetime :updated_at, null: false
+      # Reference user(promoter) who has created the promotion code
+      t.references :user, null: false, foreign_key: true
+      t.references :event, null: false, foreign_key: true
+
+      t.timestamps
     end
 
     # Unique index for code

db/schema.rb

@@ -44,13 +44,13 @@ ActiveRecord::Schema[8.0].define(version: 2025_09_28_181311) do
   end
 
   create_table "orders", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
-    t.bigint "user_id", null: false
-    t.bigint "event_id", null: false
     t.string "status", default: "draft", null: false
     t.integer "total_amount_cents", default: 0, null: false
     t.integer "payment_attempts", default: 0, null: false
     t.timestamp "expires_at"
     t.timestamp "last_payment_attempt_at"
+    t.bigint "user_id", null: false
+    t.bigint "event_id", null: false
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.index ["event_id", "status"], name: "idx_orders_event_status"
@@ -67,9 +67,13 @@ ActiveRecord::Schema[8.0].define(version: 2025_09_28_181311) do
     t.boolean "active", default: true, null: false
     t.integer "usage_limit"
     t.integer "uses_count", default: 0, null: false
+    t.bigint "user_id", null: false
+    t.bigint "event_id", null: false
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.index ["code"], name: "index_promotion_codes_on_code", unique: true
+    t.index ["event_id"], name: "index_promotion_codes_on_event_id"
+    t.index ["user_id"], name: "index_promotion_codes_on_user_id"
   end
 
   create_table "ticket_types", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
@@ -128,4 +132,6 @@ ActiveRecord::Schema[8.0].define(version: 2025_09_28_181311) do
 
   add_foreign_key "order_promotion_codes", "orders"
   add_foreign_key "order_promotion_codes", "promotion_codes"
+  add_foreign_key "promotion_codes", "events"
+  add_foreign_key "promotion_codes", "users"
 end

db/seeds.rb

@@ -280,3 +280,26 @@ TicketType.find_or_create_by!(event: belle_epoque_october_event, name: "Entry 10
 end
 
 puts "Created 3 additional events from Bizouk with ticket types"
+
+# Create promotion codes for events
+# Promotion code for belle_epoque_event
+PromotionCode.find_or_create_by!(code: "BELLE10") do |pc|
+  pc.discount_amount_cents = 1000  # 10€ discount
+  pc.expires_at = belle_epoque_event.start_time + 1.day
+  pc.active = true
+  pc.usage_limit = 20
+  pc.user = promoter
+  pc.event = belle_epoque_october_event
+end
+
+# Promotion code for belle_epoque_october_event
+PromotionCode.find_or_create_by!(code: "OCTOBRE5") do |pc|
+  pc.discount_amount_cents = 500  # 5€ discount
+  pc.expires_at = belle_epoque_october_event.start_time + 1.day
+  pc.active = true
+  pc.usage_limit = 30
+  pc.user = promoter
+  pc.event = belle_epoque_october_event
+end
+
+puts "Created promotion codes for events"