470 lines
13 KiB
JavaScript
470 lines
13 KiB
JavaScript
/**
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* Main JavaScript for Delphi Consulting Group Database System
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*/
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// Global application state
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const app = {
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token: localStorage.getItem('auth_token'),
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user: null,
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initialized: false,
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refreshTimerId: null,
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refreshInProgress: false
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};
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// Initialize application
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document.addEventListener('DOMContentLoaded', function() {
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initializeApp();
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});
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async function initializeApp() {
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// Initialize keyboard shortcuts
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if (window.keyboardShortcuts) {
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window.keyboardShortcuts.initialize();
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}
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// Tooltips/popovers handled via native browser features as needed
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// Add form validation classes
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initializeFormValidation();
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// Initialize API helpers
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setupAPIHelpers();
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app.initialized = true;
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console.log('Delphi Database System initialized');
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}
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// Form validation
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function initializeFormValidation() {
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// Native validation handling
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const forms = document.querySelectorAll('form');
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forms.forEach(form => {
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form.addEventListener('submit', function(event) {
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if (!form.checkValidity()) {
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event.preventDefault();
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event.stopPropagation();
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form.reportValidity();
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}
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});
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});
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// Real-time validation for required fields (Tailwind styles)
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const requiredFields = document.querySelectorAll('input[required], select[required], textarea[required]');
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requiredFields.forEach(field => {
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field.addEventListener('blur', function() {
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validateField(field);
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});
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});
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}
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function validateField(field) {
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const isValid = field.checkValidity();
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field.setAttribute('aria-invalid', String(!isValid));
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field.classList.toggle('border-danger-500', !isValid);
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}
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// API helpers
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function setupAPIHelpers() {
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// Set up default headers for all API calls
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window.apiHeaders = {
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'Content-Type': 'application/json',
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'Accept': 'application/json'
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};
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if (app.token) {
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window.apiHeaders['Authorization'] = `Bearer ${app.token}`;
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}
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// Start proactive refresh scheduling when a token is present
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if (app.token) {
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scheduleTokenRefresh();
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}
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}
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// API utility functions
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async function apiCall(url, options = {}) {
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// Proactively refresh token if close to expiry
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if (app.token) {
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const msLeft = getMsUntilExpiry(app.token);
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if (msLeft !== null && msLeft < 5 * 60 * 1000) { // < 5 minutes
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try {
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await refreshToken();
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} catch (e) {
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logout();
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throw new Error('Authentication required');
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}
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}
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}
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const config = {
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headers: { ...window.apiHeaders, ...options.headers },
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...options
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};
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try {
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let response = await fetch(url, config);
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if (response.status === 401 && app.token) {
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// Attempt one refresh then retry once
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try {
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await refreshToken();
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const retryConfig = {
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headers: { ...window.apiHeaders, ...options.headers },
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...options
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};
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response = await fetch(url, retryConfig);
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} catch (_) {
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// fall through to logout below
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}
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}
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if (response.status === 401) {
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logout();
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throw new Error('Authentication required');
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}
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if (!response.ok) {
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const errorData = await response.json().catch(() => ({ detail: 'Request failed' }));
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throw new Error(errorData.detail || `HTTP ${response.status}`);
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}
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return await response.json();
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} catch (error) {
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console.error('API call failed:', error);
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showNotification(`Error: ${error.message}`, 'error');
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throw error;
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}
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}
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async function apiGet(url) {
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return apiCall(url, { method: 'GET' });
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}
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async function apiPost(url, data) {
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return apiCall(url, {
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method: 'POST',
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body: JSON.stringify(data)
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});
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}
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async function apiPut(url, data) {
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return apiCall(url, {
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method: 'PUT',
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body: JSON.stringify(data)
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});
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}
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async function apiDelete(url) {
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return apiCall(url, { method: 'DELETE' });
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}
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// Authentication functions
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function setAuthToken(token) {
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app.token = token;
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localStorage.setItem('auth_token', token);
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window.apiHeaders['Authorization'] = `Bearer ${token}`;
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// Reschedule refresh on token update
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scheduleTokenRefresh();
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}
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function logout() {
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if (app.refreshTimerId) {
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clearTimeout(app.refreshTimerId);
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app.refreshTimerId = null;
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}
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app.refreshInProgress = false;
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app.token = null;
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app.user = null;
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localStorage.removeItem('auth_token');
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delete window.apiHeaders['Authorization'];
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window.location.href = '/login';
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}
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// Notification system (delegates to shared alerts utility)
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function showNotification(message, type = 'info', duration = 5000) {
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if (window.alerts && typeof window.alerts.show === 'function') {
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return window.alerts.show(message, type, { duration });
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}
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// Fallback if alerts module not yet loaded
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return alert(String(message));
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}
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// Loading states
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function showLoading(element, text = 'Loading...') {
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const spinner = `<span class="inline-block animate-spin w-4 h-4 border-2 border-current border-t-transparent rounded-full mr-2"></span>`;
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const originalContent = element.innerHTML;
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element.innerHTML = `${spinner}${text}`;
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element.disabled = true;
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element.dataset.originalContent = originalContent;
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}
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function hideLoading(element) {
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if (element.dataset.originalContent) {
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element.innerHTML = element.dataset.originalContent;
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delete element.dataset.originalContent;
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}
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element.disabled = false;
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}
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// Table helpers
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function initializeDataTable(tableId, options = {}) {
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const table = document.getElementById(tableId);
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if (!table) return null;
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// Add sorting capability
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const headers = table.querySelectorAll('th[data-sort]');
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headers.forEach(header => {
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header.classList.add('sortable-header');
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header.addEventListener('click', () => sortTable(table, header));
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});
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// Add row selection if enabled
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if (options.selectable) {
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addRowSelection(table);
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}
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return table;
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}
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function sortTable(table, header) {
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const columnIndex = Array.from(header.parentNode.children).indexOf(header);
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const sortType = header.dataset.sort;
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const tbody = table.querySelector('tbody');
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const rows = Array.from(tbody.querySelectorAll('tr'));
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const isAscending = !header.classList.contains('sort-asc');
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// Remove sort classes from all headers
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table.querySelectorAll('th').forEach(th => {
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th.classList.remove('sort-asc', 'sort-desc');
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});
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// Add sort class to current header
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header.classList.add(isAscending ? 'sort-asc' : 'sort-desc');
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rows.sort((a, b) => {
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const aValue = a.children[columnIndex].textContent.trim();
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const bValue = b.children[columnIndex].textContent.trim();
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let comparison = 0;
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if (sortType === 'number') {
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comparison = parseFloat(aValue) - parseFloat(bValue);
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} else if (sortType === 'date') {
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comparison = new Date(aValue) - new Date(bValue);
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} else {
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comparison = aValue.localeCompare(bValue);
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}
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return isAscending ? comparison : -comparison;
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});
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// Re-append sorted rows
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rows.forEach(row => tbody.appendChild(row));
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}
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function addRowSelection(table) {
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const tbody = table.querySelector('tbody');
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tbody.addEventListener('click', function(e) {
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const row = e.target.closest('tr');
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if (row && e.target.type !== 'checkbox') {
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const isSelected = row.classList.toggle('bg-neutral-100');
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row.classList.toggle('dark:bg-neutral-700', isSelected);
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// Trigger custom event
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const event = new CustomEvent('rowSelect', {
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detail: { row, selected: isSelected }
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});
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table.dispatchEvent(event);
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}
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});
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}
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// Form helpers
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function serializeForm(form) {
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const formData = new FormData(form);
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const data = {};
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for (let [key, value] of formData.entries()) {
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// Handle multiple values (checkboxes, multi-select)
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if (data.hasOwnProperty(key)) {
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if (!Array.isArray(data[key])) {
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data[key] = [data[key]];
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}
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data[key].push(value);
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} else {
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data[key] = value;
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}
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}
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return data;
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}
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function populateForm(form, data) {
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Object.keys(data).forEach(key => {
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const field = form.querySelector(`[name="${key}"]`);
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if (field) {
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if (field.type === 'checkbox' || field.type === 'radio') {
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field.checked = data[key];
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} else {
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field.value = data[key];
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}
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}
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});
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}
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// Search functionality
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function initializeSearch(searchInput, resultsContainer, searchFunction) {
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let searchTimeout;
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searchInput.addEventListener('input', function() {
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clearTimeout(searchTimeout);
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const query = this.value.trim();
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if (query.length < 2) {
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resultsContainer.innerHTML = '';
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return;
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}
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searchTimeout = setTimeout(async () => {
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try {
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showLoading(resultsContainer, 'Searching...');
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const results = await searchFunction(query);
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displaySearchResults(resultsContainer, results);
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} catch (error) {
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resultsContainer.innerHTML = '<p class="text-danger">Search failed</p>';
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}
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}, 300);
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});
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}
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function displaySearchResults(container, results) {
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if (!results || results.length === 0) {
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container.innerHTML = '<p class="text-neutral-500">No results found</p>';
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return;
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}
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const resultsHtml = results.map(result => `
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<div class="search-result p-2 border-bottom">
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<div class="flex justify-between">
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<div>
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<strong>${result.title}</strong>
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<small class="text-neutral-500 block">${result.description}</small>
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</div>
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<span class="inline-block px-2 py-0.5 text-xs rounded bg-neutral-200 text-neutral-700">${result.type}</span>
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</div>
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</div>
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`).join('');
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container.innerHTML = resultsHtml;
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}
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// Utility functions
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function formatCurrency(amount) {
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return new Intl.NumberFormat('en-US', {
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style: 'currency',
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currency: 'USD'
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}).format(amount);
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}
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function formatDate(date) {
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return new Intl.DateTimeFormat('en-US').format(new Date(date));
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}
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function debounce(func, wait) {
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let timeout;
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return function executedFunction(...args) {
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const later = () => {
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clearTimeout(timeout);
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func(...args);
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};
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clearTimeout(timeout);
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timeout = setTimeout(later, wait);
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};
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}
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function throttle(func, limit) {
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let inThrottle;
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return function() {
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const args = arguments;
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const context = this;
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if (!inThrottle) {
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func.apply(context, args);
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inThrottle = true;
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setTimeout(() => inThrottle = false, limit);
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}
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}
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}
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// Export global functions
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window.app = app;
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window.showNotification = showNotification;
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window.apiGet = apiGet;
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window.apiPost = apiPost;
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window.apiPut = apiPut;
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window.apiDelete = apiDelete;
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window.formatCurrency = formatCurrency;
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window.formatDate = formatDate;
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// JWT utilities and refresh handling
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function decodeJwt(token) {
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try {
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const payload = token.split('.')[1];
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const json = atob(payload.replace(/-/g, '+').replace(/_/g, '/'));
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return JSON.parse(json);
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} catch (e) {
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return null;
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}
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}
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function getMsUntilExpiry(token) {
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const decoded = decodeJwt(token);
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if (!decoded || !decoded.exp) return null;
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const expiryMs = decoded.exp * 1000;
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return expiryMs - Date.now();
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}
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function scheduleTokenRefresh() {
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if (!app.token) return;
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// Clear existing timer
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if (app.refreshTimerId) {
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clearTimeout(app.refreshTimerId);
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app.refreshTimerId = null;
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}
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const msLeft = getMsUntilExpiry(app.token);
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if (msLeft === null) return;
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// Refresh 5 minutes before expiry, but not sooner than 30 seconds from now
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const leadTimeMs = 5 * 60 * 1000;
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const refreshInMs = Math.max(msLeft - leadTimeMs, 30 * 1000);
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app.refreshTimerId = setTimeout(() => {
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// Fire and forget; apiCall path also guards per-request
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refreshToken().catch(() => {
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logout();
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});
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}, refreshInMs);
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}
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async function refreshToken() {
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if (!app.token) throw new Error('No token to refresh');
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if (app.refreshInProgress) return; // Avoid parallel refreshes
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app.refreshInProgress = true;
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try {
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const response = await fetch('/api/auth/refresh', {
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method: 'POST',
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headers: { ...window.apiHeaders }
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});
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if (!response.ok) {
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throw new Error('Refresh failed');
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}
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const data = await response.json();
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if (!data || !data.access_token) {
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throw new Error('Invalid refresh response');
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}
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setAuthToken(data.access_token);
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} finally {
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app.refreshInProgress = false;
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}
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} |