feat: improve seo urls?

app/controllers/events_controller.rb

@@ -27,10 +27,33 @@ class EventsController < ApplicationController
   private
 
   # Find and set the current event with eager-loaded associations
-  #
+  # Supports both old slug-only format and new SEO-friendly year/month/slug format
   # Loads event with ticket types to avoid N+1 queries
-  # Raises ActiveRecord::RecordNotFound if event doesn't exist
   def set_event
-    @event = Event.includes(:ticket_types).find(params[:id])
+    if params[:year] && params[:month]
+      # New SEO-friendly format: /events/2024/07/summer-party
+      year = params[:year].to_i
+      month = params[:month].to_i
+      start_of_month = Date.new(year, month, 1).beginning_of_month
+      end_of_month = start_of_month.end_of_month
+      
+      @event = Event.includes(:ticket_types)
+                   .where(slug: params[:slug])
+                   .where(start_time: start_of_month..end_of_month)
+                   .first!
+    else
+      # Legacy format: /events/summer-party (for backward compatibility)
+      @event = Event.includes(:ticket_types).find_by!(slug: params[:slug])
+    end
+  rescue ActiveRecord::RecordNotFound
+    redirect_to events_path, alert: "Événement non trouvé"
   end
+
+  # Generate SEO-friendly path for an event
+  def seo_event_path(event)
+    year = event.start_time.year
+    month = format("%02d", event.start_time.month)
+    event_path(year: year, month: month, slug: event.slug)
+  end
+  helper_method :seo_event_path
 end