feat: Implement complete event ticketing system with Stripe integration and email confirmations

- Enhanced events index page with improved visual design and better information display
- Completely redesigned event show page with modern layout, ticket selection, and checkout functionality
- Implemented Stripe payment processing for ticket purchases
- Created ticket generation system with PDF tickets and QR codes
- Added email confirmation system with ticket attachments
- Updated database configuration to use SQLite for easier development setup
- Fixed gem dependencies and resolved conflicts
- Improved error handling throughout the checkout process
- Enhanced Stimulus controller for ticket cart management
- Added proper redirect handling for successful and cancelled payments

app/controllers/pages_controller.rb

@@ -18,8 +18,19 @@ class PagesController < ApplicationController
   # User dashboard showing personalized content
   # Accessible only to authenticated users
   def dashboard
-    @available_events = Event.published.count
-    @events_this_week = Event.published.where("start_time BETWEEN ? AND ?", Date.current.beginning_of_week, Date.current.end_of_week).count
+    # Metrics for dashboard cards
+    @booked_events = current_user.tickets.joins(:ticket_type, :event).where(events: { state: :published }).count
+    @events_today = Event.published.where("DATE(start_time) = ?", Date.current).count
+    @events_tomorrow = Event.published.where("DATE(start_time) = ?", Date.current + 1).count
+    @upcoming_events = Event.published.upcoming.count
+
+    # User's booked events
+    @user_booked_events = Event.joins(ticket_types: :tickets)
+                               .where(tickets: { user: current_user, status: 'active' })
+                               .distinct
+                               .limit(5)
+
+    # Events sections
     @today_events = Event.published.where("DATE(start_time) = ?", Date.current).order(start_time: :asc)
     @tomorrow_events = Event.published.where("DATE(start_time) = ?", Date.current + 1).order(start_time: :asc)
     @other_events = Event.published.upcoming.where.not("DATE(start_time) IN (?)", [Date.current, Date.current + 1]).order(start_time: :asc).page(params[:page])