feat: Checkout worflow using Stripe working.

app/controllers/tickets_controller.rb

@@ -3,7 +3,7 @@
 # This controller permit users to create a new ticket for an event,
 # complete their details and proceed to payment
 class TicketsController < ApplicationController
-  before_action :authenticate_user!, only: [ :new ]
+  before_action :authenticate_user!, only: [ :new, :payment_success, :payment_cancel ]
   before_action :set_event, only: [ :new ]
 
   # Handle new ticket creation
@@ -84,7 +84,8 @@ class TicketsController < ApplicationController
       end
     end
   rescue => e
-    flash[:alert] = "Une erreur est survenue: #{e.message}"
+    error_message = e.message.present? ? e.message : "Erreur inconnue"
+    flash[:alert] = "Une erreur est survenue: #{error_message}"
     redirect_to ticket_new_path(params[:slug], params[:id])
   end
 
@@ -117,12 +118,83 @@ class TicketsController < ApplicationController
       begin
         @checkout_session = create_stripe_session
       rescue => e
-        Rails.logger.error "Stripe checkout session creation failed: #{e.message}"
+        error_message = e.message.present? ? e.message : "Erreur Stripe inconnue"
+        Rails.logger.error "Stripe checkout session creation failed: #{error_message}"
         flash[:alert] = "Erreur lors de la création de la session de paiement"
       end
     end
   end
 
+  # Handle successful payment
+  def payment_success
+    session_id = params[:session_id]
+
+    # Check if Stripe is properly configured
+    stripe_configured = Rails.application.config.stripe[:secret_key].present?
+    Rails.logger.debug "Payment success - Stripe configured: #{stripe_configured}"
+
+    unless stripe_configured
+      redirect_to dashboard_path, alert: "Le système de paiement n'est pas correctement configuré. Veuillez contacter l'administrateur."
+      return
+    end
+
+    # Stripe is now initialized at application startup, no need to initialize here
+    Rails.logger.debug "Payment success - Using globally initialized Stripe"
+
+    begin
+      stripe_session = Stripe::Checkout::Session.retrieve(session_id)
+
+      if stripe_session.payment_status == "paid"
+        # Get event_id and ticket_ids from session metadata
+        event_id = stripe_session.metadata["event_id"]
+        ticket_ids_data = stripe_session.metadata["ticket_ids"]
+        
+        unless event_id.present? && ticket_ids_data.present?
+          redirect_to dashboard_path, alert: "Informations de commande manquantes"
+          return
+        end
+
+        # Update existing draft tickets to active
+        @event = Event.find(event_id)
+        ticket_ids = ticket_ids_data.split(",")
+        @tickets = current_user.tickets.where(id: ticket_ids, status: "draft")
+        
+        if @tickets.empty?
+          redirect_to dashboard_path, alert: "Billets non trouvés"
+          return
+        end
+
+        @tickets.update_all(status: "active")
+        
+        # Send confirmation emails
+        @tickets.each do |ticket|
+          TicketMailer.purchase_confirmation(ticket).deliver_now
+        end
+
+        # Clear session data
+        session.delete(:pending_cart)
+        session.delete(:ticket_names)
+        session.delete(:draft_ticket_ids)
+
+        render "payment_success"
+      else
+        redirect_to dashboard_path, alert: "Le paiement n'a pas été complété avec succès"
+      end
+    rescue Stripe::StripeError => e
+      error_message = e.message.present? ? e.message : "Erreur Stripe inconnue"
+      redirect_to dashboard_path, alert: "Erreur lors du traitement de votre confirmation de paiement : #{error_message}"
+    rescue => e
+      error_message = e.message.present? ? e.message : "Erreur inconnue"
+      Rails.logger.error "Payment success error: #{e.class} - #{error_message}"
+      redirect_to dashboard_path, alert: "Une erreur inattendue s'est produite : #{error_message}"
+    end
+  end
+
+  # Handle payment failure/cancellation
+  def payment_cancel
+    redirect_to dashboard_path, alert: "Le paiement a été annulé"
+  end
+
   def show
     @ticket = current_user.tickets.includes(:ticket_type, :event).find(params[:ticket_id])
     @event = @ticket.event
@@ -160,7 +232,7 @@ class TicketsController < ApplicationController
       line_items: line_items,
       mode: "payment",
       success_url: payment_success_url + "?session_id={CHECKOUT_SESSION_ID}",
-      cancel_url: ticket_checkout_url(@event.slug, @event.id),
+      cancel_url: payment_cancel_url,
       metadata: {
         event_id: @event.id,
         user_id: current_user.id,