Merge pull request 'feat/image-upload' (#7) from feat/image-upload into develop

Reviewed-on: #7

AGENTS.md

@@ -10,38 +10,64 @@ This document provides technical details for AI agents working on the Aperonight
 
 #### 1. User Management (`app/models/user.rb`)
 - **Devise Integration**: Complete authentication system with registration, login, password reset
-- **Relationships**: Users can create events and purchase tickets
-- **Validations**: Email format, password strength, optional name fields
+- **Professional Users**: `is_professionnal` field for event promoters with enhanced permissions
+- **Onboarding System**: Multi-step onboarding process with `onboarding_completed` tracking
+- **Stripe Integration**: `stripe_customer_id` for accounting and invoice management
+- **Relationships**: Users can create events, purchase tickets, and manage promotion codes
+- **Validations**: Email format, password strength, optional name fields, company information
 
 #### 2. Event System (`app/models/event.rb`)
 - **States**: `draft`, `published`, `canceled`, `sold_out` with enum management
 - **Geographic Data**: Latitude/longitude for venue mapping
-- **Relationships**: Belongs to user, has many ticket types and tickets through ticket types
+- **Relationships**: Belongs to user, has many ticket types, tickets through ticket types, and orders
 - **Scopes**: Featured events, published events, upcoming events with proper ordering
+- **Duplication**: Event duplication functionality for similar events
 
-#### 3. Ticket Management
+#### 3. Order Management (`app/models/order.rb`)
+- **Order States**: `draft`, `pending_payment`, `paid`, `completed`, `cancelled`, `expired`
+- **Payment Processing**: Stripe integration with payment attempt tracking
+- **Platform Fees**: €0.50 fixed + 1.5% per ticket automatic calculation
+- **Expiration**: 15-minute draft order expiration with automatic cleanup
+- **Promotion Integration**: Support for discount code application
+- **Invoice Generation**: Automatic Stripe invoice creation for accounting
+
+#### 4. Promotion Code System (`app/models/promotion_code.rb`)
+- **Discount Management**: Fixed amount discounts (stored in cents, displayed in euros)
+- **Usage Controls**: Per-event and per-user association with usage limits
+- **Expiration**: Date-based expiration with active/inactive status management
+- **Validation**: Real-time validation during checkout process
+- **Tracking**: Complete usage tracking and analytics
+
+#### 5. Ticket Management
 - **TicketType** (`app/models/ticket_type.rb`): Defines ticket categories with pricing, quantity, sale periods
 - **Ticket** (`app/models/ticket.rb`): Individual tickets with unique QR codes, status tracking, price storage
+- **Order Association**: Tickets now belong to orders for better transaction management
 
-#### 4. Payment Processing (`app/controllers/events_controller.rb`)
+#### 6. Payment Processing (`app/controllers/orders_controller.rb`)
+- **Order-Based Workflow**: Complete shift from direct ticket purchase to order-based system
 - **Stripe Integration**: Complete checkout session creation and payment confirmation
-- **Session Management**: Proper handling of payment success/failure with ticket generation
+- **Session Management**: Proper handling of payment success/failure with order and ticket generation
 - **Security**: Authentication required, cart validation, availability checking
+- **Invoice Service**: Post-payment invoice generation with StripeInvoiceService
 
 ### Database Schema Key Points
 
 ```sql
--- Users table (managed by Devise)
+-- Users table (enhanced with professional features)
 CREATE TABLE users (
   id bigint PRIMARY KEY,
   email varchar(255) UNIQUE NOT NULL,
   encrypted_password varchar(255) NOT NULL,
   first_name varchar(255),
   last_name varchar(255),
+  is_professionnal boolean DEFAULT false,
+  onboarding_completed boolean DEFAULT false,
+  stripe_customer_id varchar(255),
+  company_name varchar(255),
   -- Devise fields: confirmation, reset tokens, etc.
 );
 
--- Events table
+-- Events table (enhanced with order management)
 CREATE TABLE events (
   id bigint PRIMARY KEY,
   user_id bigint REFERENCES users(id),
@@ -59,6 +85,40 @@ CREATE TABLE events (
   image varchar(500)
 );
 
+-- Order management system (new core table)
+CREATE TABLE orders (
+  id bigint PRIMARY KEY,
+  user_id bigint REFERENCES users(id),
+  event_id bigint REFERENCES events(id),
+  status varchar(255) DEFAULT 'draft',
+  total_amount_cents integer DEFAULT 0,
+  platform_fee_cents integer DEFAULT 0,
+  payment_attempts integer DEFAULT 0,
+  expires_at timestamp,
+  last_payment_attempt_at timestamp,
+  stripe_checkout_session_id varchar(255),
+  stripe_invoice_id varchar(255)
+);
+
+-- Promotion codes table (new discount system)
+CREATE TABLE promotion_codes (
+  id bigint PRIMARY KEY,
+  code varchar(255) UNIQUE NOT NULL,
+  discount_amount_cents integer DEFAULT 0,
+  expires_at datetime,
+  active boolean DEFAULT true,
+  usage_limit integer,
+  uses_count integer DEFAULT 0,
+  user_id bigint REFERENCES users(id),
+  event_id bigint REFERENCES events(id)
+);
+
+-- Order-promotion code join table
+CREATE TABLE order_promotion_codes (
+  order_id bigint REFERENCES orders(id),
+  promotion_code_id bigint REFERENCES promotion_codes(id)
+);
+
 -- Ticket types define pricing and availability
 CREATE TABLE ticket_types (
   id bigint PRIMARY KEY,
@@ -73,10 +133,11 @@ CREATE TABLE ticket_types (
   minimum_age integer
 );
 
--- Individual tickets with QR codes
+-- Individual tickets with QR codes (enhanced with order association)
 CREATE TABLE tickets (
   id bigint PRIMARY KEY,
   user_id bigint REFERENCES users(id),
+  order_id bigint REFERENCES orders(id),
   ticket_type_id bigint REFERENCES ticket_types(id),
   qr_code varchar(255) UNIQUE NOT NULL,
   price_cents integer NOT NULL,
@@ -107,38 +168,113 @@ CREATE TABLE tickets (
                            .limit(5)
 ```
 
-### 2. Stripe Payment Flow
+### 2. Order Management Flow (`app/controllers/orders_controller.rb`)
 
-#### Checkout Initiation (`events#checkout`)
-1. **Cart Validation**: Parse JSON cart data, validate ticket types and quantities
-2. **Availability Check**: Ensure sufficient tickets available before payment
-3. **Stripe Session**: Create checkout session with line items, success/cancel URLs
-4. **Metadata Storage**: Store order details in Stripe session metadata for later retrieval
+#### Order Creation and Payment
+1. **Cart-to-Order Conversion**: Convert shopping cart to draft order with 15-minute expiration
+2. **Platform Fee Calculation**: Automatic calculation of €0.50 fixed + 1.5% per ticket
+3. **Promotion Code Application**: Real-time discount validation and application
+4. **Stripe Checkout Session**: Create payment session with order metadata
+5. **Payment Retry**: Support for multiple payment attempts with proper tracking
 
 ```ruby
-# Key Stripe configuration
-session = Stripe::Checkout::Session.create({
-  payment_method_types: ['card'],
-  line_items: line_items,
-  mode: 'payment',
-  success_url: payment_success_url(event_id: @event.id, session_id: '{CHECKOUT_SESSION_ID}'),
-  cancel_url: event_url(@event.slug, @event),
-  customer_email: current_user.email,
-  metadata: {
-    event_id: @event.id,
-    user_id: current_user.id,
-    order_items: order_items.to_json
-  }
-})
+# Order creation with platform fees
+def create
+  @order = Order.new(order_params)
+  @order.user = current_user
+  @order.calculate_platform_fee
+  @order.set_expiration
+
+  if @order.save
+    session = create_stripe_checkout_session(@order)
+    redirect_to session.url, allow_other_host: true
+  else
+    render :new, status: :unprocessable_entity
+  end
+end
+
+# Platform fee calculation
+def calculate_platform_fee
+  ticket_count = order_items.sum(:quantity)
+  self.platform_fee_cents = 50 + (total_amount_cents * 0.015).to_i
+end
 ```
 
-#### Payment Confirmation (`events#payment_success`)
-1. **Session Retrieval**: Get Stripe session with payment status
-2. **Ticket Creation**: Generate tickets based on order items from metadata
-3. **QR Code Generation**: Automatic unique QR code creation via model callbacks
-4. **Success Page**: Display tickets with download links
+#### Payment Confirmation and Invoice Generation
+1. **Order Status Update**: Transition from pending_payment to paid
+2. **Ticket Generation**: Create tickets associated with the order
+3. **Stripe Invoice Creation**: Async invoice generation for accounting
+4. **Promotion Code Usage**: Increment usage counters for applied codes
 
-### 3. PDF Ticket Generation (`app/services/ticket_pdf_generator.rb`)
+### 3. Enhanced Stripe Integration
+
+#### StripeInvoiceService (`app/services/stripe_invoice_service.rb`)
+- Post-payment invoice creation with customer management
+- Line item processing with promotion discounts
+- PDF invoice URL generation for download
+- Accounting record synchronization
+
+```ruby
+class StripeInvoiceService
+  def initialize(order)
+    @order = order
+  end
+
+  def create_invoice
+    customer = find_or_create_stripe_customer
+    invoice_items = create_invoice_items(customer)
+
+    invoice = Stripe::Invoice.create({
+      customer: customer.id,
+      auto_advance: true,
+      collection_method: 'charge_automatically'
+    })
+
+    @order.update(stripe_invoice_id: invoice.id)
+    invoice.finalize_invoice
+  end
+end
+```
+
+### 4. Promotion Code System (`app/models/promotion_code.rb`)
+
+#### Code Validation and Application
+- **Real-time Validation**: Check code validity, expiration, and usage limits
+- **Discount Calculation**: Apply fixed amount discounts to order totals
+- **Usage Tracking**: Increment usage counters and prevent overuse
+- **Event-Specific Codes**: Support for both global and event-specific codes
+
+```ruby
+def valid_for_use?(user = nil, event = nil)
+  return false unless active?
+  return false if expired?
+  return false if usage_limit_reached?
+  return false if user.present? && !valid_for_user?(user)
+  return false if event.present? && !valid_for_event?(event)
+  true
+end
+
+def apply_discount(total_amount)
+  [total_amount - discount_amount_cents, 0].max
+end
+```
+
+### 5. Background Job Architecture
+
+#### StripeInvoiceGenerationJob
+- Async invoice creation after successful payment
+- Retry logic with exponential backoff
+- Error handling and logging
+
+#### ExpiredOrdersCleanupJob
+- Automatic cleanup of expired draft orders
+- Database maintenance and hygiene
+
+#### EventReminderJob & EventReminderSchedulerJob
+- Automated event reminder emails
+- Scheduled notifications for upcoming events
+
+### 6. PDF Ticket Generation (`app/services/ticket_pdf_generator.rb`)
 
 ```ruby
 class TicketPdfGenerator
@@ -148,10 +284,10 @@ class TicketPdfGenerator
       pdf.fill_color "2D1B69"
       pdf.font "Helvetica", style: :bold, size: 24
       pdf.text "ApéroNight", align: :center
-      
+
       # Event details
       pdf.text ticket.event.name, align: :center
-      
+
       # QR Code generation
       qr_code_data = {
         ticket_id: ticket.id,
@@ -159,7 +295,7 @@ class TicketPdfGenerator
         event_id: ticket.event.id,
         user_id: ticket.user.id
       }.to_json
-      
+
       qrcode = RQRCode::QRCode.new(qr_code_data)
       pdf.print_qr_code(qrcode, extent: 120, align: :center)
     end.render
@@ -167,12 +303,20 @@ class TicketPdfGenerator
 end
 ```
 
-### 4. Frontend Cart Management (`app/javascript/controllers/ticket_cart_controller.js`)
+### 7. Frontend Architecture
 
-- **Stimulus Controller**: Manages cart state and interactions
-- **Authentication Check**: Validates user login before checkout
-- **Session Storage**: Preserves cart when redirecting to login
-- **Dynamic Updates**: Real-time cart total and ticket count updates
+#### Enhanced Stimulus Controllers
+- **ticket_selection_controller.js**: Advanced cart management with real-time updates
+- **event_form_controller.js**: Dynamic event creation with location services
+- **countdown_controller.js**: Order expiration countdown timers
+- **event_duplication_controller.js**: Event copying functionality
+- **qr_code_controller.js**: QR code display and scanning
+
+#### Order-Based Cart Management
+- **Session Storage**: Preserves cart state during authentication flows
+- **Real-time Updates**: Dynamic total calculation with promotion codes
+- **Validation**: Client-side validation with server-side verification
+- **Payment Flow**: Seamless integration with Stripe checkout
 
 ## 🔧 Development Patterns
 
@@ -180,11 +324,21 @@ end
 ```ruby
 # Event validations
 validates :name, presence: true, length: { minimum: 3, maximum: 100 }
-validates :latitude, numericality: { 
-  greater_than_or_equal_to: -90, 
-  less_than_or_equal_to: 90 
+validates :latitude, numericality: {
+  greater_than_or_equal_to: -90,
+  less_than_or_equal_to: 90
 }
 
+# Order validations with state management
+validates :status, presence: true, inclusion: { in: %w[draft pending_payment paid completed cancelled expired] }
+validate :order_not_expired, on: :create
+before_validation :set_expiration, on: :create
+
+# Promotion code validations
+validates :code, presence: true, uniqueness: true
+validates :discount_amount_cents, numericality: { greater_than_or_equal_to: 0 }
+validate :expiration_date_cannot_be_in_the_past
+
 # Ticket QR code generation
 before_validation :generate_qr_code, on: :create
 def generate_qr_code
@@ -200,11 +354,47 @@ end
 # Authentication for sensitive actions
 before_action :authenticate_user!, only: [:checkout, :payment_success, :download_ticket]
 
-# Strong parameters
+# Professional user authorization
+before_action :authenticate_professional!, only: [:create_promotion_code]
+
+# Strong parameters with nested attributes
 private
-def event_params
-  params.require(:event).permit(:name, :description, :venue_name, :venue_address, 
-                                :latitude, :longitude, :start_time, :image)
+def order_params
+  params.require(:order).permit(:promotion_code, order_items_attributes: [:ticket_type_id, :quantity])
+end
+
+# Platform fee calculation
+def calculate_platform_fee
+  ticket_count = order_items.sum(:quantity)
+  self.platform_fee_cents = 50 + (total_amount_cents * 0.015).to_i
+end
+```
+
+### Service Layer Patterns
+```ruby
+# Service for complex business logic
+class StripeInvoiceService
+  def initialize(order)
+    @order = order
+  end
+
+  def call
+    customer = find_or_create_stripe_customer
+    create_invoice_items(customer)
+    generate_invoice
+  end
+
+  private
+
+  def find_or_create_stripe_customer
+    if @order.user.stripe_customer_id.present?
+      Stripe::Customer.retrieve(@order.user.stripe_customer_id)
+    else
+      customer = Stripe::Customer.create(email: @order.user.email)
+      @order.user.update(stripe_customer_id: customer.id)
+      customer
+    end
+  end
 end
 ```
 
@@ -212,6 +402,7 @@ end
 - **Metric Cards**: Reusable component for dashboard statistics
 - **Event Items**: Consistent event display across pages
 - **Flash Messages**: Centralized notification system
+- **Order Components**: Reusable order display and management components
 
 ## 🚀 Deployment Considerations
 
@@ -223,14 +414,28 @@ STRIPE_SECRET_KEY=sk_live_...
 STRIPE_WEBHOOK_SECRET=whsec_...
 DATABASE_URL=mysql2://user:pass@host/db
 RAILS_MASTER_KEY=...
+
+# Rails 8 Solid Stack
+SOLID_QUEUE_IN_PUMA=true
+SOLID_CACHE_URL=redis://localhost:6379/0
+SOLID_CABLE_URL=redis://localhost:6379/1
+
+# Application Configuration
+PLATFORM_FEE_FIXED_CENTS=50
+PLATFORM_FEE_PERCENTAGE=1.5
+ORDER_EXPIRATION_MINUTES=15
 ```
 
 ### Database Indexes
 ```sql
 -- Performance indexes for common queries
 CREATE INDEX idx_events_published_start_time ON events (state, start_time);
+CREATE INDEX idx_orders_user_status ON orders (user_id, status);
+CREATE INDEX idx_orders_expires_at ON orders (expires_at) WHERE status = 'draft';
 CREATE INDEX idx_tickets_user_status ON tickets (user_id, status);
 CREATE INDEX idx_ticket_types_event ON ticket_types (event_id);
+CREATE INDEX idx_promotion_codes_code ON promotion_codes (code);
+CREATE INDEX idx_promotion_codes_active_expires ON promotion_codes (active, expires_at);
 ```
 
 ### Security Considerations
@@ -238,22 +443,68 @@ CREATE INDEX idx_ticket_types_event ON ticket_types (event_id);
 - **Strong Parameters**: All user inputs filtered
 - **Authentication**: Devise handles session security
 - **Payment Security**: Stripe handles sensitive payment data
+- **Professional User Authorization**: Role-based access control for event promoters
+- **Order Expiration**: Automatic cleanup of abandoned orders
+- **Promotion Code Validation**: Server-side validation with usage limits
+
+### Background Jobs
+```ruby
+# Async invoice generation
+StripeInvoiceGenerationJob.perform_later(order_id)
+
+# Cleanup expired orders
+ExpiredOrdersCleanupJob.perform_later
+
+# Event reminders
+EventReminderSchedulerJob.set(wait_until: event.start_time - 2.hours).perform_later(event_id)
+```
+
+## 🌐 API Layer
+
+### RESTful Endpoints
+```ruby
+# API Namespacing for external integrations
+namespace :api do
+  namespace :v1 do
+    resources :events, only: [:index, :show] do
+      resources :ticket_types, only: [:index]
+    end
+
+    resources :carts, only: [:create, :show, :update]
+    resources :orders, only: [:create, :show, :update]
+
+    post '/promotion_codes/validate', to: 'promotion_codes#validate'
+  end
+end
+```
+
+### API Authentication
+- **Token-based authentication**: API tokens for external integrations
+- **Rate limiting**: Request throttling for API endpoints
+- **Versioning**: Versioned API namespace for backward compatibility
 
 ## 🧪 Testing Strategy
 
 ### Key Test Cases
 1. **User Authentication**: Registration, login, logout flows
-2. **Event Creation**: Validation, state management, relationships
-3. **Booking Process**: Cart validation, payment processing, ticket generation
-4. **PDF Generation**: QR code uniqueness, ticket format
-5. **Dashboard Metrics**: Query accuracy, performance
+2. **Professional User Onboarding**: Multi-step onboarding process
+3. **Event Creation**: Validation, state management, relationships
+4. **Order Management**: Cart-to-order conversion, payment processing, expiration
+5. **Promotion Code System**: Code validation, discount application, usage tracking
+6. **PDF Generation**: QR code uniqueness, ticket format
+7. **Stripe Integration**: Payment processing, invoice generation
+8. **Background Jobs**: Async processing, error handling, retry logic
+9. **API Endpoints**: RESTful API functionality and authentication
+10. **Dashboard Metrics**: Query accuracy, performance
 
 ### Seed Data Structure
 ```ruby
-# Creates test users, events, and ticket types
+# Creates comprehensive test data
 users = User.create!([...])
 events = Event.create!([...])
 ticket_types = TicketType.create!([...])
+promotion_codes = PromotionCode.create!([...])
+orders = Order.create!([...])
 ```
 
 ## 🛠️ Available Development Tools
@@ -280,6 +531,9 @@ ast-grep --pattern 'validates :$FIELD, presence: true' --lang ruby
 
 # Mass rename across multiple files
 ast-grep --pattern 'old_method_name($$$ARGS)' --rewrite 'new_method_name($$$ARGS)' --lang ruby --update-all
+
+# Find all order-related validations
+ast-grep --pattern 'validates :status, inclusion: { in: \%w[...] }' --lang ruby
 ```
 
 #### Best Practices:
@@ -288,13 +542,25 @@ ast-grep --pattern 'old_method_name($$$ARGS)' --rewrite 'new_method_name($$$ARGS
 - Test changes in a branch before applying to main codebase
 - Particularly useful for Rails conventions and ActiveRecord pattern updates
 
+### Modern Rails 8 Stack
+- **Solid Queue**: Background job processing
+- **Solid Cache**: Fast caching layer
+- **Solid Cable**: Action Cable over Redis
+- **Propshaft**: Asset pipeline
+- **Kamal**: Deployment tooling
+- **Thruster**: Performance optimization
+
 ## 📝 Code Style & Conventions
 
 - **Ruby Style**: Follow Rails conventions and Rubocop rules
 - **Database**: Use Rails migrations for all schema changes
 - **JavaScript**: Stimulus controllers for interactive behavior
 - **CSS**: Tailwind utility classes with custom components
+- **Service Layer**: Complex business logic in service objects
+- **Background Jobs**: Async processing for long-running tasks
+- **API Design**: RESTful principles with versioning
 - **Documentation**: Inline comments for complex business logic
 - **Mass Changes**: Use `ast-grep` for structural code replacements instead of simple find/replace
+- **Testing**: Comprehensive test coverage for all business logic
 
-This architecture provides a solid foundation for a scalable ticket selling platform with proper separation of concerns, security, and user experience.
+This architecture provides a solid foundation for a scalable ticket selling platform with proper separation of concerns, security, and user experience, featuring modern Rails 8 capabilities and a comprehensive order management system.

BACKLOG.md

@@ -8,16 +8,12 @@
 
 ### 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
 - [ ] feat: Real-time sales analytics dashboard
 - [ ] feat: Guest checkout without account creation
 - [ ] feat: Seat selection with interactive venue maps
 - [ ] feat: Dynamic pricing based on demand
-- [ ] feat: Profesionnal account. User can ask to change from a customer to a professionnal account to create and manage events.
-- [ ] feat: User can choose to create a professionnal account on sign-up page to be allowed to create and manage events
 - [ ] feat: Payout system for promoters (automated/manual payment processing)
 - [ ] feat: Platform commission tracking and fee structure display
 - [ ] feat: Tax reporting and revenue export for promoters
@@ -54,7 +50,6 @@
 
 ## 🚧 Doing
 
-- [ ] feat: Promotion code on ticket
 - [ ] feat: Page to display all tickets for an event
 - [ ] feat: Add a link into notification email to order page that display all tickets
 
@@ -66,7 +61,11 @@
 - [x] Add login functionality
 - [x] refactor: Moving checkout to OrdersController
 - [x] feat: Payment gateway integration (Stripe) - PayPal not implemented
+- [x] feat: Profesionnal account. User can ask to change from a customer to a professionnal account to create and manage events.
 - [x] feat: Digital tickets with QR codes
 - [x] feat: Ticket inventory management and capacity limits
 - [x] feat: Event discovery with search and filtering
+- [x] feat: Multiple ticket types (early bird, VIP, general admission)
 - [x] feat: Email notifications (purchase confirmations, event reminders)
+- [x] feat: Promotion code on ticket
+- [x] feat: User can choose to create a professionnal account on sign-up page to be allowed to create and manage events

app/controllers/api/v1/events_controller.rb

@@ -14,14 +14,14 @@ module Api
       # Retrieves all events sorted by creation date (most recent first)
       def index
         @events = Event.all.order(created_at: :desc)
-        render json: @events, status: :ok
+        render json: @events.map { |e| event_json(e) }, status: :ok
       end
 
       # GET /api/v1/events/:id
       # Retrieves a single event by its ID
       # Returns 404 if the event is not found
       def show
-        render json: @event, status: :ok
+        render json: event_json(@event), status: :ok
       end
 
       # POST /api/v1/events
@@ -31,7 +31,7 @@ module Api
       def create
         @event = Event.new(event_params)
         if @event.save
-          render json: @event, status: :created
+          render json: event_json(@event), status: :created
         else
           render json: { errors: @event.errors.full_messages }, status: :unprocessable_entity
         end
@@ -43,7 +43,7 @@ module Api
       # Returns 422 Unprocessable Entity with error messages on failure
       def update
         if @event.update(event_params)
-          render json: @event, status: :ok
+          render json: event_json(@event), status: :ok
         else
           render json: { errors: @event.errors.full_messages }, status: :unprocessable_entity
         end
@@ -99,6 +99,32 @@ module Api
           :user_id
         )
       end
+
+      # Helper method to serialize event data safely
+      def event_json(event)
+        {
+          id: event.id,
+          name: event.name,
+          slug: event.slug,
+          description: event.description,
+          state: event.state,
+          venue_name: event.venue_name,
+          venue_address: event.venue_address,
+          start_time: event.start_time,
+          end_time: event.end_time,
+          latitude: event.latitude,
+          longitude: event.longitude,
+          featured: event.featured,
+          created_at: event.created_at,
+          updated_at: event.updated_at,
+          user: {
+            id: event.user.id,
+            email: event.user.email, # May be remove public email ?
+            first_name: event.user.first_name, # May be remove public name ?
+            last_name: event.user.last_name # May be remove public name ?
+          }
+        }
+      end
     end
   end
 end

app/controllers/orders_controller.rb

@@ -130,11 +130,16 @@ class OrdersController < ApplicationController
     if params[:promotion_code].present?
       promotion_code = PromotionCode.valid.find_by(code: params[:promotion_code].upcase)
       if promotion_code
-        # Apply the promotion code to the order
-        @order.promotion_codes << promotion_code
-        @order.calculate_total!
-        @total_amount = @order.total_amount_cents
-        flash.now[:notice] = "Code promotionnel appliqué: #{promotion_code.code}"
+        # Check if promotion code is already applied to this order
+        if @order.promotion_codes.include?(promotion_code)
+          flash.now[:alert] = "Ce code promotionnel est déjà appliqué à cette commande"
+        else
+          # Apply the promotion code to the order
+          @order.promotion_codes << promotion_code
+          @order.calculate_total!
+          @total_amount = @order.total_amount_cents
+          flash.now[:notice] = "Code promotionnel appliqué: #{promotion_code.code}"
+        end
       else
         flash.now[:alert] = "Code promotionnel invalide"
       end
@@ -159,6 +164,8 @@ class OrdersController < ApplicationController
         flash[:alert] = "Erreur lors de la création de la session de paiement"
       end
     end
+
+    render :checkout
   end
 
   # Increment payment attempt - called via AJAX when user clicks pay button
@@ -302,7 +309,14 @@ class OrdersController < ApplicationController
   end
 
   def create_stripe_session
+    # Calculate the discount amount per ticket to distribute the promotion evenly
+    total_tickets = @order.tickets.count
+    discount_per_ticket = @order.discount_amount_cents / total_tickets if total_tickets > 0
+
     line_items = @order.tickets.map do |ticket|
+      # Apply discount proportionally to each ticket
+      discounted_price = [ticket.price_cents - discount_per_ticket.to_i, 0].max
+
       {
         price_data: {
           currency: "eur",
@@ -310,7 +324,7 @@ class OrdersController < ApplicationController
             name: "#{@order.event.name} - #{ticket.ticket_type.name}",
             description: ticket.ticket_type.description
           },
-          unit_amount: ticket.price_cents
+          unit_amount: discounted_price
         },
         quantity: 1
       }

app/controllers/promoter/events_controller.rb

@@ -29,6 +29,8 @@ class Promoter::EventsController < ApplicationController
     if @event.save
       redirect_to promoter_event_path(@event), notice: "Event créé avec succès!"
     else
+      # If validation fails and an image was attached, purge it
+      @event.image.purge if @event.image.attached?
       render :new, status: :unprocessable_entity
     end
   end

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/javascript/controllers/event_form_controller.js

@@ -664,4 +664,37 @@ export default class extends Controller {
     this.hideMessage("geocoding-success")
     this.hideMessage("geocoding-progress")
   }
+
+  // Preview selected image
+  previewImage(event) {
+    const file = event.target.files[0]
+    if (!file) return
+
+    // Validate file type
+    if (!file.type.startsWith('image/')) {
+      alert('Veuillez sélectionner une image valide.')
+      event.target.value = ''
+      return
+    }
+
+    // Validate file size (5MB)
+    if (file.size > 5 * 1024 * 1024) {
+      alert('L\'image ne doit pas dépasser 5MB.')
+      event.target.value = ''
+      return
+    }
+
+    // Show preview
+    const reader = new FileReader()
+    reader.onload = (e) => {
+      const previewContainer = document.getElementById('image-preview')
+      const previewImg = document.getElementById('preview-img')
+
+      if (previewContainer && previewImg) {
+        previewImg.src = e.target.result
+        previewContainer.classList.remove('hidden')
+      }
+    }
+    reader.readAsDataURL(file)
+  }
 }

app/models/event.rb

@@ -21,7 +21,10 @@ class Event < ApplicationRecord
   has_many :ticket_types
   has_many :tickets, through: :ticket_types
   has_many :orders
+  has_many :promotion_codes
+  has_one_attached :image
 
+  
   # === Callbacks ===
   before_validation :geocode_address, if: :should_geocode_address?
 
@@ -31,7 +34,8 @@ class Event < ApplicationRecord
   validates :slug, presence: true, length: { minimum: 3, maximum: 100 }
   validates :description, presence: true, length: { minimum: 10, maximum: 2000 }
   validates :state, presence: true, inclusion: { in: states.keys }
-  validates :image, length: { maximum: 500 } # URL or path to image
+  validate :image_format, if: -> { image.attached? }
+  validate :image_size, if: -> { image.attached? }
 
   # Venue information
   validates :venue_name, presence: true, length: { maximum: 100 }
@@ -57,6 +61,20 @@ class Event < ApplicationRecord
 
   # === Instance Methods ===
 
+  # Get image variants for different display sizes
+  def event_image_variant(size = :medium)
+    case size
+    when :large
+      image.variant(resize_to_limit: [1200, 630])
+    when :medium
+      image.variant(resize_to_limit: [800, 450])
+    when :small
+      image.variant(resize_to_limit: [400, 225])
+    else
+      image
+    end
+  end
+
   # Check if coordinates were successfully geocoded or are fallback coordinates
   def geocoding_successful?
     coordinates_look_valid?
@@ -130,6 +148,25 @@ class Event < ApplicationRecord
     nil
   end
 
+  # Validate image format
+  def image_format
+    return unless image.attached?
+
+    allowed_types = %w[image/jpeg image/jpg image/png image/webp]
+    unless allowed_types.include?(image.content_type)
+      errors.add(:image, "doit être au format JPG, PNG ou WebP")
+    end
+  end
+
+  # Validate image size
+  def image_size
+    return unless image.attached?
+
+    if image.byte_size > 5.megabytes
+      errors.add(:image, "doit faire moins de 5MB")
+    end
+  end
+
   private
 
   # Determine if we should perform server-side geocoding

app/models/order.rb

@@ -21,6 +21,9 @@ class Order < ApplicationRecord
   validates :payment_attempts, presence: true,
     numericality: { greater_than_or_equal_to: 0 }
 
+  # Custom validation to prevent duplicate promotion codes
+  validate :no_duplicate_promotion_codes
+
   # Stripe invoice ID for accounting records
   attr_accessor :stripe_invoice_id
 
@@ -90,10 +93,34 @@ 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 (capped at subtotal)
+  def discount_amount_cents
+    [ promotion_codes.sum(:discount_amount_cents), subtotal_amount_cents ].min
+  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
@@ -164,4 +191,12 @@ class Order < ApplicationRecord
   def draft?
     status == "draft"
   end
+
+  # Prevent duplicate promotion codes on the same order
+  def no_duplicate_promotion_codes
+    promotion_code_ids = promotion_codes.map(&:id)
+    if promotion_code_ids.size != promotion_code_ids.uniq.size
+      errors.add(:promotion_codes, "ne peuvent pas contenir de codes en double")
+    end
+  end
 end

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/services/stripe_invoice_service.rb

@@ -166,6 +166,23 @@ class StripeInvoiceService
       })
     end
 
+    # Add promotion code discounts as negative line items
+    @order.promotion_codes.each do |promo_code|
+      Stripe::InvoiceItem.create({
+        customer: customer.id,
+        invoice: invoice.id,
+        amount: -promo_code.discount_amount_cents, # Negative amount for discount
+        currency: "eur",
+        description: "Réduction promotionnelle (Code: #{promo_code.code})",
+        metadata: {
+          promotion_code_id: promo_code.id,
+          promotion_code: promo_code.code,
+          discount_amount_cents: promo_code.discount_amount_cents,
+          type: "promotion_discount"
+        }
+      })
+    end
+
     # No service fee on customer invoice; platform fee deducted from promoter payout
   end
 

app/views/components/_event_item.html.erb

@@ -1,7 +1,7 @@
 <%= link_to event_path(event.slug, event), class: "group block p-4 rounded-lg border border-slate-200 dark:border-slate-700 hover:border-purple-300 dark:hover:border-purple-600 hover:shadow-md transition-all duration-200" do %>
   <div class="flex items-center space-x-4">
     <div class="w-16 h-16 bg-slate-200 dark:bg-slate-700 rounded-lg overflow-hidden flex-shrink-0">
-      <%= image_tag event.image, alt: event.name, class: "w-full h-full object-cover" if event.image.present? %>
+      <%= image_tag event.event_image_variant(:small), alt: event.name, class: "w-full h-full object-cover" if event.image.attached? %>
     </div>
     <div class="flex-1 min-w-0">
       <h3 class="text-lg font-semibold text-slate-900 dark:text-slate-100 group-hover:text-purple-600 dark:group-hover:text-purple-400 transition-colors duration-200">

app/views/events/index.html.erb

@@ -22,13 +22,9 @@
       <% @events.each do |event| %>
         <article class="group bg-white rounded-2xl shadow-lg hover:shadow-2xl transition-all duration-300 overflow-hidden transform hover:-translate-y-1">
           <%= link_to event_path(event.slug, event), class: "block" do %>
-            <% if event.image.present? %>
+            <% if event.image.attached? %>
               <div class="relative overflow-hidden aspect-[4/3]">
-                <img
-                  src="<%= event.image %>"
-                  alt="<%= event.name %>"
-                  class="w-full h-full object-cover group-hover:scale-105 transition-transform duration-300"
-                >
+                <%= image_tag event.event_image_variant(:medium), alt: event.name, class: "w-full h-full object-cover group-hover:scale-105 transition-transform duration-300" %>
                 <!-- Event featured badge -->
                 <% if event.featured? %>
                   <div class="absolute top-4 left-4">

app/views/events/show.html.erb

@@ -10,9 +10,9 @@
     <!-- Event main wrapper -->
     <div class="bg-white rounded-2xl shadow-xl overflow-hidden">
       <!-- Event Header with Image -->
-      <% if @event.image.present? %>
+      <% if @event.image.attached? %>
         <div class="relative h-96">
-          <%= image_tag @event.image, class: "w-full h-full object-cover" %>
+          <%= image_tag @event.event_image_variant(:large), class: "w-full h-full object-cover" %>
           <div class="absolute inset-0 bg-gradient-to-t from-black via-black/70 to-transparent"></div>
           <div class="absolute bottom-0 left-0 right-0 p-6 md:p-8">
             <div class="max-w-4xl mx-auto">

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">
-      <div class="inline-flex items-center text-sm font-medium">
-        <%= link_to root_path, class: "text-gray-700 hover:text-purple-600 transition-colors" do %>
-          <i data-lucide="home" class="w-4 h-4 mr-2"></i>
-          Accueil
-        <% 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>
+    <%= render 'components/breadcrumb', crumbs: [
+      { name: 'Accueil', path: root_path },
+      { name: 'Événements', path: events_path },
+      { name: @order.event.name, path: event_path(@order.event.slug, @order.event) },
+      { name: "Commande ##{@order.id}", path: nil }
+    ] %>
 
     <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">
-          <h3 class="text-lg font-semibold text-gray-900 mb-4">Récapitulatif de votre commande</h3>
+        <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>
 
           <% @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/invoice.html.erb

@@ -121,13 +121,56 @@
               <% end %>
             </tbody>
             <tfoot class="bg-gray-50">
+              <!-- Subtotal -->
               <tr>
-                <th colspan="3" scope="col" class="px-6 py-3 text-right text-sm font-medium text-gray-900 uppercase tracking-wider">Total</th>
-                <th scope="col" class="px-6 py-3 text-right text-lg font-bold text-gray-900"><%= "%.2f" % @order.total_amount_euros %>€</th>
+                <td colspan="3" scope="col" class="px-6 py-3 text-right text-sm font-medium text-gray-600">Sous-total</td>
+                <td scope="col" class="px-6 py-3 text-right text-sm font-medium text-gray-600"><%= "%.2f" % @order.subtotal_amount_euros %>€</td>
+              </tr>
+
+              <!-- Promotion Code Discounts -->
+              <% if @order.promotion_codes.any? %>
+                <% @order.promotion_codes.each do |promo_code| %>
+                  <tr>
+                    <td colspan="3" scope="col" class="px-6 py-3 text-right text-sm font-medium text-green-600">
+                      Réduction (Code: <%= promo_code.code %>)
+                    </td>
+                    <td scope="col" class="px-6 py-3 text-right text-sm font-semibold text-green-600">-<%= "%.2f" % promo_code.discount_amount_euros %>€</td>
+                  </tr>
+                <% end %>
+              <% end %>
+
+              <!-- Total -->
+              <tr class="border-t-2 border-gray-300">
+                <td colspan="3" scope="col" class="px-6 py-3 text-right text-lg font-bold text-gray-900 uppercase tracking-wider">Total</td>
+                <td scope="col" class="px-6 py-3 text-right text-lg font-bold text-gray-900">
+                  <% if @order.total_amount_cents == 0 %>
+                    GRATUIT
+                  <% else %>
+                    <%= "%.2f" % @order.total_amount_euros %>€
+                  <% end %>
+                </td>
               </tr>
             </tfoot>
           </table>
         </div>
+
+        <!-- Promotion Code Summary -->
+        <% if @order.promotion_codes.any? %>
+          <div class="mt-4 p-4 bg-green-50 border border-green-200 rounded-lg">
+            <h4 class="text-sm font-semibold text-green-900 mb-2 flex items-center">
+              <i data-lucide="tag" class="w-4 h-4 mr-2"></i>
+              Codes promotionnels appliqués
+            </h4>
+            <div class="text-xs text-green-700">
+              <% @order.promotion_codes.each do |promo_code| %>
+                <div class="flex items-center justify-between">
+                  <span><%= promo_code.code %></span>
+                  <span class="font-semibold">-<%= "%.2f" % promo_code.discount_amount_euros %>€</span>
+                </div>
+              <% end %>
+            </div>
+          </div>
+        <% end %>
       </div>
 
       <!-- Payment Information -->

app/views/orders/payment_success.html.erb

@@ -123,13 +123,58 @@
           <% end %>
         </div>
 
-        <!-- Total -->
-        <div class="mt-6">
+        <!-- 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">
+              <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">
-                <%= @order.total_amount_euros %>€
+              <span class="font-bold text-xl text-green-600">
+                <% 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/pages/home.html.erb

@@ -89,10 +89,8 @@
               <div class="bg-white rounded-2xl shadow-lg hover:shadow-2xl transition-all duration-300 overflow-hidden">
                 <!-- Event Image -->
                 <div class="relative overflow-hidden aspect-[4/3]">
-                  <% if event.image.present? %>
-                    <img src="<%= event.image %>"
-                         alt="<%= event.name %>"
-                         class="w-full h-full object-cover group-hover:scale-105 transition-transform duration-300">
+                  <% if event.image.attached? %>
+                    <%= image_tag event.event_image_variant(:medium), alt: event.name, class: "w-full h-full object-cover group-hover:scale-105 transition-transform duration-300" %>
                   <% else %>
                     <div class="w-full h-full bg-gradient-to-br from-purple-600 to-blue-600 flex items-center justify-center">
                       <i data-lucide="calendar" class="w-16 h-16 text-white"></i>

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

@@ -67,9 +67,41 @@
         </div>
 
         <div class="mt-6">
-          <%= form.label :image, "Image (URL)", class: "block text-sm font-medium text-gray-700 mb-2" %>
-          <%= form.url_field :image, class: "w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent", placeholder: "https://example.com/image.jpg" %>
-          <p class="mt-1 text-sm text-gray-500">URL de l'image de couverture de l'événement</p>
+          <%= form.label :image, "Image de couverture", class: "block text-sm font-medium text-gray-700 mb-2" %>
+          <div class="space-y-4">
+            <!-- Current image preview -->
+            <% if @event.image.attached? %>
+              <div class="relative">
+                <%= image_tag @event.image.variant(resize_to_limit: [400, 225]), class: "w-full h-48 object-cover rounded-lg border border-gray-200" %>
+                <div class="absolute top-2 right-2">
+                  <button type="button" onclick="this.closest('div').querySelector('input[type=file]').click()" class="bg-red-500 text-white p-2 rounded-full hover:bg-red-600 transition-colors">
+                    <i data-lucide="trash-2" class="w-4 h-4"></i>
+                  </button>
+                </div>
+              </div>
+            <% end %>
+
+            <!-- File upload field -->
+            <div class="relative">
+              <%= form.file_field :image, class: "w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent file:mr-4 file:py-2 file:px-4 file:rounded-lg file:border-0 file:text-sm file:font-semibold file:bg-purple-50 file:text-purple-700 hover:file:bg-purple-100", accept: "image/png,image/jpeg,image/jpg,image/webp", data: { action: "change->event-form#previewImage" } %>
+              <div class="mt-1 text-sm text-gray-500">
+                Formats acceptés : PNG, JPG, JPEG, WebP (max 5MB)
+                <% if @event.image.attached? %>
+                  <br>Laissez vide pour conserver l'image actuelle
+                <% end %>
+              </div>
+            </div>
+
+            <!-- Image preview container -->
+            <div id="image-preview" class="hidden">
+              <div class="relative">
+                <img id="preview-img" src="" alt="Preview" class="w-full h-48 object-cover rounded-lg border border-gray-200">
+                <button type="button" onclick="document.getElementById('event_image').value = ''; document.getElementById('image-preview').classList.add('hidden');" class="absolute top-2 right-2 bg-red-500 text-white p-2 rounded-full hover:bg-red-600 transition-colors">
+                  <i data-lucide="x" class="w-4 h-4"></i>
+                </button>
+              </div>
+            </div>
+          </div>
         </div>
       </div>
 

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

@@ -60,9 +60,38 @@
         </div>
 
         <div class="mt-6">
-          <%= form.label :image, "Image (URL)", class: "block text-sm font-medium text-gray-700 mb-2" %>
-          <%= form.url_field :image, class: "w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent", placeholder: "https://example.com/image.jpg" %>
-          <p class="mt-1 text-sm text-gray-500">URL de l'image de couverture de l'événement</p>
+          <%= form.label :image, "Image de couverture", class: "block text-sm font-medium text-gray-700 mb-2" %>
+          <div class="space-y-4">
+            <!-- Current image preview (for edit mode) -->
+            <% if @event.image.attached? %>
+              <div class="relative">
+                <%= image_tag @event.image.variant(resize_to_limit: [400, 225]), class: "w-full h-48 object-cover rounded-lg border border-gray-200" %>
+                <div class="absolute top-2 right-2">
+                  <button type="button" onclick="this.closest('div').previousElementSibling.querySelector('input[type=file]').click()" class="bg-red-500 text-white p-2 rounded-full hover:bg-red-600 transition-colors">
+                    <i data-lucide="trash-2" class="w-4 h-4"></i>
+                  </button>
+                </div>
+              </div>
+            <% end %>
+
+            <!-- File upload field -->
+            <div class="relative">
+              <%= form.file_field :image, class: "w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent file:mr-4 file:py-2 file:px-4 file:rounded-lg file:border-0 file:text-sm file:font-semibold file:bg-purple-50 file:text-purple-700 hover:file:bg-purple-100", accept: "image/png,image/jpeg,image/jpg,image/webp", data: { action: "change->event-form#previewImage" } %>
+              <div class="mt-1 text-sm text-gray-500">
+                Formats acceptés : PNG, JPG, JPEG, WebP (max 5MB)
+              </div>
+            </div>
+
+            <!-- Image preview container -->
+            <div id="image-preview" class="hidden">
+              <div class="relative">
+                <img id="preview-img" src="" alt="Preview" class="w-full h-48 object-cover rounded-lg border border-gray-200">
+                <button type="button" onclick="document.getElementById('event_image').value = ''; document.getElementById('image-preview').classList.add('hidden');" class="absolute top-2 right-2 bg-red-500 text-white p-2 rounded-full hover:bg-red-600 transition-colors">
+                  <i data-lucide="x" class="w-4 h-4"></i>
+                </button>
+              </div>
+            </div>
+          </div>
         </div>
       </div>
 

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

@@ -174,9 +174,9 @@
     <!-- Main content -->
     <div class="lg:col-span-2 space-y-6 lg:space-y-8">
       <!-- Event image -->
-      <% if @event.image.present? %>
+      <% if @event.image.attached? %>
         <div class="aspect-video bg-gray-100 rounded-2xl overflow-hidden">
-          <img src="<%= @event.image %>" alt="<%= @event.name %>" class="w-full h-full object-cover">
+          <%= image_tag @event.event_image_variant(:large), alt: @event.name, class: "w-full h-full object-cover" %>
         </div>
       <% end %>
 
@@ -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/environments/test.rb

@@ -50,4 +50,11 @@ Rails.application.configure do
 
   # Raise error when a before_action's only/except options reference missing actions.
   config.action_controller.raise_on_missing_callback_actions = true
+
+  # Configure Stripe for testing
+  config.stripe = {
+    publishable_key: "pk_test_test",
+    secret_key: "sk_test_test",
+    signing_secret: "whsec_test_test"
+  }
 end

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/migrate/20250929222613_create_active_storage_tables.active_storage.rb

@@ -0,0 +1,57 @@
+# This migration comes from active_storage (originally 20170806125915)
+class CreateActiveStorageTables < ActiveRecord::Migration[7.0]
+  def change
+    # Use Active Record's configured type for primary and foreign keys
+    primary_key_type, foreign_key_type = primary_and_foreign_key_types
+
+    create_table :active_storage_blobs, id: primary_key_type do |t|
+      t.string   :key,          null: false
+      t.string   :filename,     null: false
+      t.string   :content_type
+      t.text     :metadata
+      t.string   :service_name, null: false
+      t.bigint   :byte_size,    null: false
+      t.string   :checksum
+
+      if connection.supports_datetime_with_precision?
+        t.datetime :created_at, precision: 6, null: false
+      else
+        t.datetime :created_at, null: false
+      end
+
+      t.index [ :key ], unique: true
+    end
+
+    create_table :active_storage_attachments, id: primary_key_type do |t|
+      t.string     :name,     null: false
+      t.references :record,   null: false, polymorphic: true, index: false, type: foreign_key_type
+      t.references :blob,     null: false, type: foreign_key_type
+
+      if connection.supports_datetime_with_precision?
+        t.datetime :created_at, precision: 6, null: false
+      else
+        t.datetime :created_at, null: false
+      end
+
+      t.index [ :record_type, :record_id, :name, :blob_id ], name: :index_active_storage_attachments_uniqueness, unique: true
+      t.foreign_key :active_storage_blobs, column: :blob_id
+    end
+
+    create_table :active_storage_variant_records, id: primary_key_type do |t|
+      t.belongs_to :blob, null: false, index: false, type: foreign_key_type
+      t.string :variation_digest, null: false
+
+      t.index [ :blob_id, :variation_digest ], name: :index_active_storage_variant_records_uniqueness, unique: true
+      t.foreign_key :active_storage_blobs, column: :blob_id
+    end
+  end
+
+  private
+    def primary_and_foreign_key_types
+      config = Rails.configuration.generators
+      setting = config.options[config.orm][:primary_key_type]
+      primary_key_type = setting || :primary_key
+      foreign_key_type = setting || :bigint
+      [ primary_key_type, foreign_key_type ]
+    end
+end

db/migrate/20250929222616_add_image_to_events.rb

@@ -0,0 +1,4 @@
+class AddImageToEvents < ActiveRecord::Migration[8.0]
+  def change
+  end
+end

db/schema.rb

@@ -10,7 +10,35 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2025_09_28_181311) do
+ActiveRecord::Schema[8.0].define(version: 2025_09_29_222616) do
+  create_table "active_storage_attachments", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
+    t.string "name", null: false
+    t.string "record_type", null: false
+    t.bigint "record_id", null: false
+    t.bigint "blob_id", null: false
+    t.datetime "created_at", null: false
+    t.index ["blob_id"], name: "index_active_storage_attachments_on_blob_id"
+    t.index ["record_type", "record_id", "name", "blob_id"], name: "index_active_storage_attachments_uniqueness", unique: true
+  end
+
+  create_table "active_storage_blobs", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
+    t.string "key", null: false
+    t.string "filename", null: false
+    t.string "content_type"
+    t.text "metadata"
+    t.string "service_name", null: false
+    t.bigint "byte_size", null: false
+    t.string "checksum"
+    t.datetime "created_at", null: false
+    t.index ["key"], name: "index_active_storage_blobs_on_key", unique: true
+  end
+
+  create_table "active_storage_variant_records", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
+    t.bigint "blob_id", null: false
+    t.string "variation_digest", null: false
+    t.index ["blob_id", "variation_digest"], name: "index_active_storage_variant_records_uniqueness", unique: true
+  end
+
   create_table "events", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
     t.string "name", null: false
     t.string "slug", null: false
@@ -44,13 +72,13 @@ 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 +95,13 @@ 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|
@@ -126,6 +158,10 @@ ActiveRecord::Schema[8.0].define(version: 2025_09_28_181311) do
     t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
   end
 
+  add_foreign_key "active_storage_attachments", "active_storage_blobs", column: "blob_id"
+  add_foreign_key "active_storage_variant_records", "active_storage_blobs", column: "blob_id"
   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"

debug_promotion_test.rb

@@ -0,0 +1,74 @@
+#!/usr/bin/env ruby
+
+# Debug script to understand the test failure
+require_relative './config/environment'
+
+# Load test data
+user = User.find_by(email: 'user1@example.com')
+event = Event.find_by(name: 'Summer Concert')
+
+puts "User: #{user.inspect}"
+puts "Event: #{event.inspect}"
+
+# Create a new order for the test
+order = user.orders.create!(event: event, status: "draft", expires_at: 15.minutes.from_now, total_amount_cents: 2000)
+puts "Order: #{order.inspect}"
+
+# Create ticket type and ticket
+ticket_type = TicketType.create!(
+  name: "Test Ticket Type",
+  description: "A valid description for the ticket type that is long enough",
+  price_cents: 2000,
+  quantity: 10,
+  sale_start_at: Time.current,
+  sale_end_at: Time.current + 1.day,
+  requires_id: false,
+  event: event
+)
+
+ticket = Ticket.create!(
+  order: order,
+  ticket_type: ticket_type,
+  status: "draft",
+  first_name: "John",
+  last_name: "Doe",
+  price_cents: 2000
+)
+
+puts "Ticket: #{ticket.inspect}"
+puts "Ticket valid?: #{ticket.valid?}"
+puts "Order tickets count: #{order.tickets.count}"
+
+# Recalculate the order total
+order.calculate_total!
+puts "Order total: #{order.total_amount_cents}"
+
+# Create a unique promotion code
+unique_code = "TESTDISCOUNT_#{SecureRandom.hex(4)}"
+puts "Creating promotion code with code: #{unique_code}"
+
+promotion_code = PromotionCode.create(
+  code: unique_code,
+  discount_amount_cents: 500,
+  expires_at: 1.month.from_now,
+  active: true,
+  user: user,
+  event: event
+)
+
+puts "Promotion code: #{promotion_code.inspect}"
+puts "Promotion code valid?: #{promotion_code.valid?}"
+
+# Check if order already has promotion codes
+puts "Order promotion codes before: #{order.promotion_codes.count}"
+
+# Try to apply the promotion code
+begin
+  order.promotion_codes << promotion_code
+  puts "Successfully added promotion code to order"
+rescue => e
+  puts "Error adding promotion code: #{e.message}"
+  puts e.backtrace.first(5)
+end
+
+puts "Order promotion codes after: #{order.promotion_codes.count}"

debug_test.rb

@@ -0,0 +1,67 @@
+#!/usr/bin/env ruby
+
+# Debug script to understand the test failure
+require_relative './config/environment'
+
+# Load test data
+user = User.find_by(email: 'user1@example.com')
+event = Event.find_by(name: 'Summer Concert')
+order = Order.find_by(status: 'draft')
+
+puts "User: #{user.inspect}"
+puts "Event: #{event.inspect}"
+puts "Order: #{order.inspect}"
+
+# Check if the user can manage events
+puts "User can manage events: #{user.can_manage_events?}"
+
+# Create a promotion code
+promotion_code = PromotionCode.create(
+  code: "TESTDISCOUNT",
+  discount_amount_cents: 500,
+  expires_at: 1.month.from_now,
+  active: true,
+  user: user,
+  event: event
+)
+
+puts "Promotion code: #{promotion_code.inspect}"
+puts "Promotion code valid?: #{promotion_code.valid_for_use?}"
+
+# Try to create a ticket type and ticket
+ticket_type = TicketType.create!(
+  name: "Test Ticket Type",
+  description: "A valid description for the ticket type that is long enough",
+  price_cents: 2000,
+  quantity: 10,
+  sale_start_at: Time.current,
+  sale_end_at: Time.current + 1.day,
+  requires_id: false,
+  event: event
+)
+
+puts "Ticket type: #{ticket_type.inspect}"
+
+# Create ticket with all required fields
+ticket = Ticket.create!(
+  order: order,
+  ticket_type: ticket_type,
+  status: "draft",
+  first_name: "John",
+  last_name: "Doe",
+  price_cents: 2000
+)
+
+puts "Ticket: #{ticket.inspect}"
+puts "Ticket valid?: #{ticket.valid?}"
+puts "Ticket errors: #{ticket.errors.full_messages}" unless ticket.valid?
+
+# Recalculate order total
+order.calculate_total!
+puts "Order total: #{order.total_amount_cents}"
+
+# Test the promotion code application
+puts "Applying promotion code..."
+order.promotion_codes << promotion_code
+order.calculate_total!
+puts "Order total after promotion: #{order.total_amount_cents}"

test/controllers/orders_controller_promotion_test.rb

@@ -1,4 +1,5 @@
 require "test_helper"
+require "securerandom"
 
 class OrdersControllerPromotionTest < ActionDispatch::IntegrationTest
   include Devise::Test::IntegrationHelpers
@@ -6,32 +7,68 @@ class OrdersControllerPromotionTest < ActionDispatch::IntegrationTest
   # Setup test data
   def setup
     @user = users(:one)
-    @event = events(:one)
-    @order = orders(:one)
+    @event = events(:concert_event)
+    # Create a new order for the test to ensure proper associations
+    @order = @user.orders.create!(event: @event, status: "draft", expires_at: 15.minutes.from_now, total_amount_cents: 2000)
     sign_in @user
   end
 
   # Test applying a valid promotion code
   def test_apply_valid_promotion_code
-    promotion_code = PromotionCode.create(
-      code: "TESTDISCOUNT",
-      discount_amount_cents: 1000, # €10.00
-      expires_at: 1.month.from_now,
-      active: true
+    # Create ticket type and tickets for the order
+    ticket_type = TicketType.create!(
+      name: "Test Ticket Type",
+      description: "A valid description for the ticket type that is long enough",
+      price_cents: 2000,
+      quantity: 10,
+      sale_start_at: Time.current,
+      sale_end_at: Time.current + 1.day,
+      requires_id: false,
+      event: @event
     )
 
-    get checkout_order_path(@order), params: { promotion_code: "TESTDISCOUNT" }
+    ticket = Ticket.create!(
+      order: @order,
+      ticket_type: ticket_type,
+      status: "draft",
+      first_name: "John",
+      last_name: "Doe",
+      price_cents: 2000
+    )
+
+    # Debug the ticket creation
+    puts "Ticket saved: #{ticket.persisted?}"
+    puts "Ticket errors: #{ticket.errors.full_messages}" unless ticket.valid?
+    puts "Order tickets count: #{@order.tickets.count}"
+
+    # Recalculate the order total
+    @order.calculate_total!
+
+    # Use a unique code for each test run
+    unique_code = "TESTDISCOUNT_#{SecureRandom.hex(4)}"
+    promotion_code = PromotionCode.create(
+      code: unique_code,
+      discount_amount_cents: 500, # €5.00
+      expires_at: 1.month.from_now,
+      active: true,
+      user: @user,
+      event: @event
+    )
+
+    get checkout_order_path(@order), params: { promotion_code: unique_code }
+    puts "Response status: #{response.status}"
+    puts "Response body: #{response.body}" if response.status != 200
     assert_response :success
-    assert_not_nil flash[:notice]
-    assert_match /Code promotionnel appliqué: TESTDISCOUNT/, flash[:notice]
+    assert_not_nil flash.now[:notice]
+    assert_match /Code promotionnel appliqué: TESTDISCOUNT/, flash.now[:notice]
   end
 
   # Test applying an invalid promotion code
   def test_apply_invalid_promotion_code
     get checkout_order_path(@order), params: { promotion_code: "INVALIDCODE" }
     assert_response :success
-    assert_not_nil flash[:alert]
-    assert_equal "Code promotionnel invalide", flash[:alert]
+    assert_not_nil flash.now[:alert]
+    assert_equal "Code promotionnel invalide", flash.now[:alert]
   end
 
   # Test applying an expired promotion code
@@ -40,13 +77,15 @@ class OrdersControllerPromotionTest < ActionDispatch::IntegrationTest
       code: "EXPIREDCODE",
       discount_amount_cents: 1000,
       expires_at: 1.day.ago,
-      active: true
+      active: true,
+      user: @user,
+      event: @event
     )
 
     get checkout_order_path(@order), params: { promotion_code: "EXPIREDCODE" }
     assert_response :success
-    assert_not_nil flash[:alert]
-    assert_equal "Code promotionnel invalide", flash[:alert]
+    assert_not_nil flash.now[:alert]
+    assert_equal "Code promotionnel invalide", flash.now[:alert]
   end
 
   # Test applying an inactive promotion code
@@ -55,12 +94,14 @@ class OrdersControllerPromotionTest < ActionDispatch::IntegrationTest
       code: "INACTIVECODE",
       discount_amount_cents: 1000,
       expires_at: 1.month.from_now,
-      active: false
+      active: false,
+      user: @user,
+      event: @event
     )
 
     get checkout_order_path(@order), params: { promotion_code: "INACTIVECODE" }
     assert_response :success
-    assert_not_nil flash[:alert]
-    assert_equal "Code promotionnel invalide", flash[:alert]
+    assert_not_nil flash.now[:alert]
+    assert_equal "Code promotionnel invalide", flash.now[:alert]
   end
 end

test/fixtures/users.yml

@@ -5,6 +5,7 @@ one:
   encrypted_password: <%= Devise::Encryptor.digest(User, 'password123') %>
   last_name: Trump
   first_name: Donald
+  is_professionnal: true
   onboarding_completed: true
 
 two:

test/models/order_test.rb

@@ -582,6 +582,243 @@ class OrderTest < ActiveSupport::TestCase
     assert_equal 95.0, order.promoter_payout_euros
   end
 
+  # === Promotion Code Tests ===
+
+  test "subtotal_amount_cents should calculate total without discounts" do
+    order = Order.create!(
+      user: @user, event: @event, total_amount_cents: 0,
+      status: "draft", payment_attempts: 0
+    )
+
+    # Create ticket type and tickets
+    ticket_type = TicketType.create!(
+      name: "Test Ticket Type",
+      description: "A valid description for the ticket type that is long enough",
+      price_cents: 1500,
+      quantity: 10,
+      sale_start_at: Time.current,
+      sale_end_at: Time.current + 1.day,
+      requires_id: false,
+      event: @event
+    )
+
+    Ticket.create!(
+      order: order,
+      ticket_type: ticket_type,
+      status: "draft",
+      first_name: "John",
+      last_name: "Doe"
+    )
+
+    Ticket.create!(
+      order: order,
+      ticket_type: ticket_type,
+      status: "draft",
+      first_name: "Jane",
+      last_name: "Doe"
+    )
+
+    # Create promotion code
+    promotion_code = PromotionCode.create!(
+      code: "TESTCODE",
+      discount_amount_cents: 500,
+      user: @user,
+      event: @event
+    )
+
+    order.promotion_codes << promotion_code
+    order.calculate_total!
+
+    assert_equal 3000, order.subtotal_amount_cents # 2 tickets * 1500 cents
+    assert_equal 2500, order.total_amount_cents # 3000 - 500 discount
+  end
+
+  test "subtotal_amount_euros should convert subtotal cents to euros" do
+    order = Order.new(total_amount_cents: 2500)
+    def order.subtotal_amount_cents; 3000; end
+    assert_equal 30.0, order.subtotal_amount_euros
+  end
+
+  test "discount_amount_cents should calculate total discount from promotion codes" do
+    order = Order.create!(
+      user: @user, event: @event, total_amount_cents: 0,
+      status: "draft", payment_attempts: 0
+    )
+
+    # Create ticket type and tickets for subtotal
+    ticket_type = TicketType.create!(
+      name: "Test Ticket Type",
+      description: "A valid description for the ticket type that is long enough",
+      price_cents: 2000,
+      quantity: 10,
+      sale_start_at: Time.current,
+      sale_end_at: Time.current + 1.day,
+      requires_id: false,
+      event: @event
+    )
+
+    Ticket.create!(
+      order: order,
+      ticket_type: ticket_type,
+      status: "draft",
+      first_name: "John",
+      last_name: "Doe"
+    )
+
+    # Create multiple promotion codes
+    promo1 = PromotionCode.create!(
+      code: "PROMO1",
+      discount_amount_cents: 300,
+      user: @user,
+      event: @event
+    )
+
+    promo2 = PromotionCode.create!(
+      code: "PROMO2",
+      discount_amount_cents: 700,
+      user: @user,
+      event: @event
+    )
+
+    order.promotion_codes << [ promo1, promo2 ]
+    order.calculate_total!
+
+    assert_equal 1000, order.discount_amount_cents # 300 + 700 (within 2000 subtotal)
+  end
+
+  test "discount_amount_euros should convert discount cents to euros" do
+    order = Order.new(total_amount_cents: 2000)
+    def order.discount_amount_cents; 1000; end
+    assert_equal 10.0, order.discount_amount_euros
+  end
+
+  test "calculate_total! should apply promotion code discounts" do
+    order = Order.create!(
+      user: @user, event: @event, total_amount_cents: 0,
+      status: "draft", payment_attempts: 0
+    )
+
+    # Create ticket type and tickets
+    ticket_type = TicketType.create!(
+      name: "Test Ticket Type",
+      description: "A valid description for the ticket type that is long enough",
+      price_cents: 2000,
+      quantity: 10,
+      sale_start_at: Time.current,
+      sale_end_at: Time.current + 1.day,
+      requires_id: false,
+      event: @event
+    )
+
+    Ticket.create!(
+      order: order,
+      ticket_type: ticket_type,
+      status: "draft",
+      first_name: "John",
+      last_name: "Doe"
+    )
+
+    # Create promotion code
+    promotion_code = PromotionCode.create!(
+      code: "TESTCODE",
+      discount_amount_cents: 500,
+      user: @user,
+      event: @event
+    )
+
+    order.promotion_codes << promotion_code
+    order.calculate_total!
+
+    assert_equal 2000, order.subtotal_amount_cents
+    assert_equal 500, order.discount_amount_cents
+    assert_equal 1500, order.total_amount_cents
+  end
+
+  test "calculate_total! should handle zero total after promotion codes" do
+    order = Order.create!(
+      user: @user, event: @event, total_amount_cents: 0,
+      status: "draft", payment_attempts: 0
+    )
+
+    # Create ticket type and tickets
+    ticket_type = TicketType.create!(
+      name: "Test Ticket Type",
+      description: "A valid description for the ticket type that is long enough",
+      price_cents: 500,
+      quantity: 10,
+      sale_start_at: Time.current,
+      sale_end_at: Time.current + 1.day,
+      requires_id: false,
+      event: @event
+    )
+
+    Ticket.create!(
+      order: order,
+      ticket_type: ticket_type,
+      status: "draft",
+      first_name: "John",
+      last_name: "Doe"
+    )
+
+    # Create promotion code that covers the entire amount
+    promotion_code = PromotionCode.create!(
+      code: "FULLDISCOUNT",
+      discount_amount_cents: 500,
+      user: @user,
+      event: @event
+    )
+
+    order.promotion_codes << promotion_code
+    order.calculate_total!
+
+    assert_equal 500, order.subtotal_amount_cents
+    assert_equal 500, order.discount_amount_cents
+    assert_equal 0, order.total_amount_cents
+    assert order.free?
+  end
+
+  test "calculate_total! should not allow negative totals with promotion codes" do
+    order = Order.create!(
+      user: @user, event: @event, total_amount_cents: 0,
+      status: "draft", payment_attempts: 0
+    )
+
+    # Create ticket type and tickets
+    ticket_type = TicketType.create!(
+      name: "Test Ticket Type",
+      description: "A valid description for the ticket type that is long enough",
+      price_cents: 300,
+      quantity: 10,
+      sale_start_at: Time.current,
+      sale_end_at: Time.current + 1.day,
+      requires_id: false,
+      event: @event
+    )
+
+    Ticket.create!(
+      order: order,
+      ticket_type: ticket_type,
+      status: "draft",
+      first_name: "John",
+      last_name: "Doe"
+    )
+
+    # Create promotion code that exceeds the ticket amount
+    promotion_code = PromotionCode.create!(
+      code: "TOOMUCH",
+      discount_amount_cents: 1000,
+      user: @user,
+      event: @event
+    )
+
+    order.promotion_codes << promotion_code
+    order.calculate_total!
+
+    assert_equal 300, order.subtotal_amount_cents
+    assert_equal 300, order.discount_amount_cents # Capped at subtotal
+    assert_equal 0, order.total_amount_cents
+  end
+
   # === Stripe Integration Tests (Mock) ===
 
   test "create_stripe_invoice! should return nil for non-paid orders" do

test/models/promotion_code_test.rb

@@ -1,13 +1,34 @@
 require "test_helper"
 
 class PromotionCodeTest < ActiveSupport::TestCase
+  def setup
+    @user = User.create!(
+      email: "test@example.com",
+      password: "password123",
+      password_confirmation: "password123"
+    )
+
+    @event = Event.create!(
+      name: "Test Event",
+      slug: "test-event",
+      description: "A valid description for the test event that is long enough",
+      latitude: 48.8566,
+      longitude: 2.3522,
+      venue_name: "Test Venue",
+      venue_address: "123 Test Street",
+      user: @user
+    )
+  end
+
   # Test valid promotion code creation
   def test_valid_promotion_code
     promotion_code = PromotionCode.create(
       code: "DISCOUNT10",
       discount_amount_cents: 1000, # €10.00
       expires_at: 1.month.from_now,
-      active: true
+      active: true,
+      user: @user,
+      event: @event
     )
 
     assert promotion_code.valid?
@@ -25,23 +46,23 @@ class PromotionCodeTest < ActiveSupport::TestCase
 
   # Test unique code validation
   def test_unique_code_validation
-    PromotionCode.create(code: "UNIQUE123", discount_amount_cents: 500)
-    duplicate_code = PromotionCode.new(code: "UNIQUE123", discount_amount_cents: 500)
+    PromotionCode.create(code: "UNIQUE123", discount_amount_cents: 500, user: @user, event: @event)
+    duplicate_code = PromotionCode.new(code: "UNIQUE123", discount_amount_cents: 500, user: @user, event: @event)
     refute duplicate_code.valid?
     assert_not_nil duplicate_code.errors[:code]
   end
 
   # Test discount amount validation
   def test_discount_amount_validation
-    promotion_code = PromotionCode.new(code: "VALID123", discount_amount_cents: -100)
+    promotion_code = PromotionCode.new(code: "VALID123", discount_amount_cents: -100, user: @user, event: @event)
     refute promotion_code.valid?
     assert_not_nil promotion_code.errors[:discount_amount_cents]
   end
 
   # Test active scope
   def test_active_scope
-    active_code = PromotionCode.create(code: "ACTIVE123", discount_amount_cents: 500, active: true)
-    inactive_code = PromotionCode.create(code: "INACTIVE123", discount_amount_cents: 500, active: false)
+    active_code = PromotionCode.create(code: "ACTIVE123", discount_amount_cents: 500, active: true, user: @user, event: @event)
+    inactive_code = PromotionCode.create(code: "INACTIVE123", discount_amount_cents: 500, active: false, user: @user, event: @event)
 
     assert_includes PromotionCode.active, active_code
     refute_includes PromotionCode.active, inactive_code
@@ -49,8 +70,8 @@ class PromotionCodeTest < ActiveSupport::TestCase
 
   # Test expired scope
   def test_expired_scope
-    expired_code = PromotionCode.create(code: "EXPIRED123", discount_amount_cents: 500, expires_at: 1.day.ago)
-    future_code = PromotionCode.create(code: "FUTURE123", discount_amount_cents: 500, expires_at: 1.month.from_now)
+    expired_code = PromotionCode.create(code: "EXPIRED123", discount_amount_cents: 500, expires_at: 1.day.ago, user: @user, event: @event)
+    future_code = PromotionCode.create(code: "FUTURE123", discount_amount_cents: 500, expires_at: 1.month.from_now, user: @user, event: @event)
 
     assert_includes PromotionCode.expired, expired_code
     refute_includes PromotionCode.expired, future_code
@@ -58,10 +79,191 @@ class PromotionCodeTest < ActiveSupport::TestCase
 
   # Test valid scope
   def test_valid_scope
-    valid_code = PromotionCode.create(code: "VALID123", discount_amount_cents: 500, active: true, expires_at: 1.month.from_now)
-    invalid_code = PromotionCode.create(code: "INVALID123", discount_amount_cents: 500, active: false, expires_at: 1.day.ago)
+    valid_code = PromotionCode.create(code: "VALID123", discount_amount_cents: 500, active: true, expires_at: 1.month.from_now, user: @user, event: @event)
+    invalid_code = PromotionCode.create(code: "INVALID123", discount_amount_cents: 500, active: false, expires_at: 1.day.ago, user: @user, event: @event)
 
     assert_includes PromotionCode.valid, valid_code
     refute_includes PromotionCode.valid, invalid_code
   end
+
+  # Test discount_amount_euros method
+  def test_discount_amount_euros_converts_cents_to_euros
+    promotion_code = PromotionCode.new(discount_amount_cents: 1000)
+    assert_equal 10.0, promotion_code.discount_amount_euros
+
+    promotion_code = PromotionCode.new(discount_amount_cents: 550)
+    assert_equal 5.5, promotion_code.discount_amount_euros
+  end
+
+  # Test active? method
+  def test_active_method
+    # Active and not expired
+    active_code = PromotionCode.create(
+      code: "ACTIVE1",
+      discount_amount_cents: 500,
+      active: true,
+      expires_at: 1.month.from_now,
+      user: @user,
+      event: @event
+    )
+    assert active_code.active?
+
+    # Active but expired
+    expired_active_code = PromotionCode.create(
+      code: "ACTIVE2",
+      discount_amount_cents: 500,
+      active: true,
+      expires_at: 1.day.ago,
+      user: @user,
+      event: @event
+    )
+    assert_not expired_active_code.active?
+
+    # Inactive but not expired
+    inactive_code = PromotionCode.create(
+      code: "INACTIVE1",
+      discount_amount_cents: 500,
+      active: false,
+      expires_at: 1.month.from_now,
+      user: @user,
+      event: @event
+    )
+    assert_not inactive_code.active?
+
+    # Active with no expiration
+    no_expiry_code = PromotionCode.create(
+      code: "NOEXPIRY",
+      discount_amount_cents: 500,
+      active: true,
+      expires_at: nil,
+      user: @user,
+      event: @event
+    )
+    assert no_expiry_code.active?
+  end
+
+  # Test expired? method
+  def test_expired_method
+    # Expired code
+    expired_code = PromotionCode.create(
+      code: "EXPIRED1",
+      discount_amount_cents: 500,
+      expires_at: 1.day.ago,
+      user: @user,
+      event: @event
+    )
+    assert expired_code.expired?
+
+    # Future code
+    future_code = PromotionCode.create(
+      code: "FUTURE1",
+      discount_amount_cents: 500,
+      expires_at: 1.month.from_now,
+      user: @user,
+      event: @event
+    )
+    assert_not future_code.expired?
+
+    # No expiration
+    no_expiry_code = PromotionCode.create(
+      code: "NOEXPIRY1",
+      discount_amount_cents: 500,
+      expires_at: nil,
+      user: @user,
+      event: @event
+    )
+    assert_not no_expiry_code.expired?
+  end
+
+  # Test can_be_used? method
+  def test_can_be_used_method
+    # Can be used: active, not expired, under usage limit
+    usable_code = PromotionCode.create(
+      code: "USABLE1",
+      discount_amount_cents: 500,
+      active: true,
+      expires_at: 1.month.from_now,
+      usage_limit: 10,
+      uses_count: 0,
+      user: @user,
+      event: @event
+    )
+    assert usable_code.can_be_used?
+
+    # Cannot be used: inactive
+    inactive_code = PromotionCode.create(
+      code: "INACTIVE2",
+      discount_amount_cents: 500,
+      active: false,
+      expires_at: 1.month.from_now,
+      usage_limit: 10,
+      uses_count: 0,
+      user: @user,
+      event: @event
+    )
+    assert_not inactive_code.can_be_used?
+
+    # Cannot be used: expired
+    expired_code = PromotionCode.create(
+      code: "EXPIRED2",
+      discount_amount_cents: 500,
+      active: true,
+      expires_at: 1.day.ago,
+      usage_limit: 10,
+      uses_count: 0,
+      user: @user,
+      event: @event
+    )
+    assert_not expired_code.can_be_used?
+
+    # Cannot be used: at usage limit
+    limit_reached_code = PromotionCode.create(
+      code: "LIMIT1",
+      discount_amount_cents: 500,
+      active: true,
+      expires_at: 1.month.from_now,
+      usage_limit: 5,
+      uses_count: 5,
+      user: @user,
+      event: @event
+    )
+    assert_not limit_reached_code.can_be_used?
+
+    # Can be used: no usage limit
+    no_limit_code = PromotionCode.create(
+      code: "NOLIMIT1",
+      discount_amount_cents: 500,
+      active: true,
+      expires_at: 1.month.from_now,
+      usage_limit: nil,
+      uses_count: 100,
+      user: @user,
+      event: @event
+    )
+    assert no_limit_code.can_be_used?
+  end
+
+  # Test increment_uses_count callback
+  def test_increment_uses_count_callback
+    promotion_code = PromotionCode.create(
+      code: "INCREMENT1",
+      discount_amount_cents: 500,
+      uses_count: 0,
+      user: @user,
+      event: @event
+    )
+
+    assert_equal 0, promotion_code.uses_count
+
+    # The callback should only run on create, so we test the initial value
+    new_code = PromotionCode.create(
+      code: "INCREMENT2",
+      discount_amount_cents: 500,
+      uses_count: nil,
+      user: @user,
+      event: @event
+    )
+
+    assert_equal 0, new_code.uses_count
+  end
 end

test/test_helper.rb

@@ -19,6 +19,14 @@ module ActiveSupport
 
     # Add more helper methods to be used by all tests here...
 
+    # Mock Stripe for tests
+    setup do
+      # Mock Stripe checkout session creation
+      Stripe::Checkout::Session.stubs(:create).returns(
+        Struct.new(:id, :url).new("cs_test_session", "https://checkout.stripe.com/test")
+      )
+    end
+
     # Helper to create users with completed onboarding by default for tests
     def create_test_user(attributes = {})
       User.create!({