/**
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* view.js
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* Frontend JavaScript for the Form Block
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* Handles form validation and submission
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*/
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class FormBlock {
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constructor() {
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this.controller = new window.jvbForm();
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document.querySelectorAll('.jvb-form-block form').forEach(form => {
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this.controller.registerForm(form, {autosave: true,autoUpload: false});
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});
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this.controller.subscribe((event, data) => {
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if (event === 'form-submit') {
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this.handleFormSubmission(data);
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}
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});
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}
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async handleFormSubmission(data) {
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let formId = data.formId;
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let formConfig = data.config;
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let formData = data.fullData;
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let form = formConfig.element;
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// Create FormData instead of JSON
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const submitData = new FormData();
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// Add all regular form fields
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for (const [key, value] of Object.entries(formData)) {
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// Skip the nonce field - we don't need it for REST API with __return_true
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if (key === '_wpnonce' || key === '_wp_http_referer') {
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continue;
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}
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if (Array.isArray(value)) {
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value.forEach(v => submitData.append(`${key}[]`, v));
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} else if (typeof value === 'object' && value !== null) {
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// For nested objects, you might want to JSON.stringify them
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submitData.append(key, JSON.stringify(value));
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} else {
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submitData.append(key, value);
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}
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}
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// Get uploaded files from UploadManager
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if (window.jvbUploads) {
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const files = await window.jvbUploads.getFilesForForm(form);
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// Append files with their field names
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files.forEach(({file, fieldName, uploadId, meta}) => {
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// Use fieldName[] for multiple files per field
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submitData.append(`${fieldName}[]`, file);
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});
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}
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let headers = {
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// 'X-WP-Nonce': window.auth.getNonce()
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};
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let block = form.closest('.jvb-form-block');
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this.controller.showFormStatus(formId, 'uploading');
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try {
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const response = await fetch(`${jvbSettings.api}forms`, {
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method: 'POST',
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credentials: 'same-origin',
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headers,
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body: submitData // Send FormData instead of JSON
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});
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const result = await response.json();
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if (!response.ok) {
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this.controller.showFormStatus(formId, 'error');
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this.controller.handleFormError(form, result); // ✓ Show error to user
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return; // Stop processing
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}
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this.controller.showFormStatus(formId, 'submitted');
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this.controller.showSummary(formId, '.jvb-form-block');
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// Clean up uploaded files from IndexedDB after successful submission
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if (window.jvbUploads) {
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const uploadFields = form.querySelectorAll('[data-upload-field]');
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for (const field of uploadFields) {
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const fieldId = window.jvbUploads.determineFieldId(field);
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await window.jvbUploads.clearFieldFromStores(fieldId);
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}
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}
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} catch (error) {
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console.error('Form submission error:', error);
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this.controller.showFormStatus(formId, 'error');
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// Show user-friendly network error - IMPROVED
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this.controller.handleFormError(form, {
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message: 'Network error. Please check your connection and try again.',
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code: 'network_error'
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});
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} finally {
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this.controller.store.delete(formId);
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}
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}
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}
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document.addEventListener('DOMContentLoaded', async function() {
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window.auth.subscribe(event => {
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if (event === 'auth-loaded') {
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new FormBlock();
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}
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});
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});
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