Refactor duplication feature to use Stimulus controller and fix modal issues

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

app/javascript/controllers/event_duplication_controller.js

@@ -0,0 +1,57 @@
+import { Controller } from "@hotwired/stimulus"
+
+export default class extends Controller {
+  static targets = ["modal", "cloneTicketTypes"]
+  static values = {
+    duplicateUrl: String
+  }
+
+  connect() {
+    // Close modal when clicking outside
+    this.modalTarget.addEventListener('click', (event) => {
+      if (event.target === this.modalTarget) {
+        this.close()
+      }
+    })
+  }
+
+  open() {
+    this.modalTarget.classList.remove('hidden')
+    document.body.classList.add('overflow-hidden')
+  }
+
+  close() {
+    this.modalTarget.classList.add('hidden')
+    document.body.classList.remove('overflow-hidden')
+  }
+
+  duplicate() {
+    const cloneTicketTypes = this.cloneTicketTypesTarget.checked
+    
+    // Create form data
+    const formData = new FormData()
+    formData.append('clone_ticket_types', cloneTicketTypes)
+    formData.append('authenticity_token', document.querySelector('meta[name="csrf-token"]').getAttribute('content'))
+    
+    // Send request to duplicate endpoint
+    fetch(this.duplicateUrlValue, {
+      method: 'POST',
+      body: formData,
+      headers: {
+        'X-Requested-With': 'XMLHttpRequest'
+      }
+    })
+    .then(response => {
+      if (response.redirected) {
+        window.location.href = response.url
+      } else {
+        return response.json()
+      }
+    })
+    .catch(error => {
+      console.error('Error:', error)
+      alert('Erreur lors de la duplication de l\'événement.')
+      this.close()
+    })
+  }
+}

app/javascript/controllers/index.js

@@ -27,3 +27,6 @@ application.register("event-form", EventFormController);
 
 import CountdownController from "./countdown_controller";
 application.register("countdown", CountdownController);
+
+import EventDuplicationController from "./event_duplication_controller";
+application.register("event-duplication", EventDuplicationController);