дубль таск

public/main.js

@@ -24,24 +24,65 @@ document.addEventListener('DOMContentLoaded', function() {
 
 function setupEventListeners() {
     // Форма входа
-    document.getElementById('login-form').addEventListener('submit', login);
+    const loginForm = document.getElementById('login-form');
+    if (loginForm && !loginForm._hasSubmitListener) {
+        loginForm.addEventListener('submit', login);
+        loginForm._hasSubmitListener = true;
+    }
 
-    // Формы задач
-    document.getElementById('create-task-form').addEventListener('submit', createTask);
-    document.getElementById('edit-task-form').addEventListener('submit', updateTask);
-    document.getElementById('copy-task-form').addEventListener('submit', copyTask);
+    // Форма создания задачи
+    const createForm = document.getElementById('create-task-form');
+    if (createForm && !createForm._hasSubmitListener) {
+        createForm.addEventListener('submit', createTask);
+        createForm._hasSubmitListener = true;
+    }
 
-    document.getElementById('edit-assignment-form').addEventListener('submit', updateAssignment);
-    document.getElementById('rework-task-form').addEventListener('submit', sendForRework);
+    // Форма редактирования задачи
+    const editForm = document.getElementById('edit-task-form');
+    if (editForm && !editForm._hasSubmitListener) {
+        editForm.addEventListener('submit', updateTask);
+        editForm._hasSubmitListener = true;
+    }
+
+    // Форма копирования задачи
+    const copyForm = document.getElementById('copy-task-form');
+    if (copyForm && !copyForm._hasSubmitListener) {
+        copyForm.addEventListener('submit', copyTask);
+        copyForm._hasSubmitListener = true;
+    }
+
+    // Форма редактирования назначения
+    const editAssignmentForm = document.getElementById('edit-assignment-form');
+    if (editAssignmentForm && !editAssignmentForm._hasSubmitListener) {
+        editAssignmentForm.addEventListener('submit', updateAssignment);
+        editAssignmentForm._hasSubmitListener = true;
+    }
+
+    // Форма доработки
+    const reworkForm = document.getElementById('rework-task-form');
+    if (reworkForm && !reworkForm._hasSubmitListener) {
+        reworkForm.addEventListener('submit', sendForRework);
+        reworkForm._hasSubmitListener = true;
+    }
 
     // Файлы
-    document.getElementById('files').addEventListener('change', updateFileList);
-    document.getElementById('edit-files').addEventListener('change', updateEditFileList);
+    const filesInput = document.getElementById('files');
+    if (filesInput && !filesInput._hasChangeListener) {
+        filesInput.addEventListener('change', updateFileList);
+        filesInput._hasChangeListener = true;
+    }
+
+    const editFilesInput = document.getElementById('edit-files');
+    if (editFilesInput && !editFilesInput._hasChangeListener) {
+        editFilesInput.addEventListener('change', updateEditFileList);
+        editFilesInput._hasChangeListener = true;
+    }
 
     // Настройки уведомлений
     const notificationForm = document.getElementById('notification-settings-form');
-    if (notificationForm) {
+    if (notificationForm && !notificationForm._hasSubmitListener) {
         notificationForm.addEventListener('submit', saveNotificationSettings);
+        notificationForm._hasSubmitListener = true;
     }
 
     // Инициализация загрузки файлов