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/** |
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* Invoice Preview JavaScript |
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* |
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* Handles all functionality for the invoice preview page. |
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*/ |
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(function($) { |
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'use strict'; |
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|
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// Invoice Preview Object |
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const InvoicePreview = { |
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// Store data |
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data: {}, |
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|
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// Initialize |
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init: function() { |
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// Set up variables |
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this.invoiceContainer = $('.invoice-preview-container'); |
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this.loadingSection = $('.invoice-preview-loading'); |
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this.errorSection = $('.invoice-preview-error'); |
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this.contentSection = $('.invoice-preview-content'); |
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|
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// Get invoice ID from localized variables |
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this.invoiceId = easy_invoice_vars.invoice_id; |
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|
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// Set up event listeners |
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this.bindEvents(); |
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|
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// Load invoice data |
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this.loadInvoiceData(); |
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}, |
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|
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// Bind events |
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bindEvents: function() { |
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// Print button |
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$(document).on('click', '#print-invoice', this.printInvoice); |
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|
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// Download PDF button |
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$(document).on('click', '#download-pdf', this.downloadPdf); |
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|
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// Send Email button |
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$(document).on('click', '#email-invoice', this.sendEmail); |
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}, |
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|
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// Load invoice data via AJAX |
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loadInvoiceData: function() { |
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const self = this; |
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|
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// Show loading, hide content and error |
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this.loadingSection.show(); |
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this.contentSection.hide(); |
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this.errorSection.hide(); |
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|
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}, |
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|
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// Render invoice data |
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renderInvoice: function() { |
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const data = this.data; |
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|
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// Set invoice status class |
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this.invoiceContainer.removeClass('status-draft status-pending status-paid status-overdue status-cancelled'); |
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this.invoiceContainer.addClass('status-' + data.invoice.status); |
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|
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// Render invoice info |
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this.renderInvoiceInfo(); |
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|
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// Render customer info |
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this.renderCustomerInfo(); |
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|
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// Render items |
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this.renderItems(); |
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|
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// Render totals |
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this.renderTotals(); |
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|
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// Render notes and payment instructions |
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this.renderNotesAndPayment(); |
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}, |
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|
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// Render invoice info |
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renderInvoiceInfo: function() { |
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const invoice = this.data.invoice; |
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|
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// Invoice number |
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$('#invoice-number').text(invoice.number); |
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|
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// Invoice date |
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$('#invoice-date').text(invoice.date); |
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|
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// Invoice due date |
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$('#invoice-due-date').text(invoice.due_date); |
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|
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// Invoice status |
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$('#invoice-status').text(invoice.status_label) |
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.removeClass('status-draft status-pending status-paid status-overdue status-cancelled') |
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.addClass('status-' + invoice.status); |
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}, |
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|
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// Render customer info |
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renderCustomerInfo: function() { |
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const customer = this.data.customer; |
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|
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// Customer name |
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$('#customer-name').text(customer.name); |
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|
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// Customer contact |
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$('#customer-email').text(customer.email); |
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$('#customer-phone').text(customer.phone); |
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|
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// Customer address |
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$('#customer-address').html(this.formatAddress(customer.address)); |
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}, |
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|
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// Render items |
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renderItems: function() { |
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const items = this.data.items; |
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const itemsContainer = $('#invoice-items tbody'); |
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|
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// Clear existing items |
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itemsContainer.empty(); |
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|
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// Add items |
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$.each(items, function(index, item) { |
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const row = $('<tr>'); |
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|
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// Item description |
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row.append($('<td>').addClass('item-description').html( |
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'<div class="item-name">' + item.name + '</div>' + |
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(item.description ? '<div class="item-description-text">' + item.description + '</div>' : '') |
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)); |
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|
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// Item quantity |
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row.append($('<td>').addClass('item-quantity').text(item.quantity)); |
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|
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// Item price |
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row.append($('<td>').addClass('item-price').text( |
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InvoicePreview.formatMoney(item.price) |
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)); |
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|
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// Item amount |
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row.append($('<td>').addClass('item-amount').text( |
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InvoicePreview.formatMoney(item.amount) |
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)); |
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|
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// Add row to container |
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itemsContainer.append(row); |
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}); |
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}, |
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|
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// Render totals |
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renderTotals: function() { |
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const totals = this.data.totals; |
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|
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// Subtotal |
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$('#invoice-subtotal').text(this.formatMoney(totals.subtotal)); |
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|
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// Discount row |
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const discountRow = $('#invoice-discount-row'); |
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if (totals.discount > 0) { |
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$('#invoice-discount').text(this.formatMoney(totals.discount)); |
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if (totals.discount_type === 'percentage') { |
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$('#invoice-discount-label').text( |
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easy_invoice_vars.i18n.discount + ' (' + totals.discount_rate + '%)' |
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); |
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} |
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discountRow.show(); |
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} else { |
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discountRow.hide(); |
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} |
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|
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// Tax row |
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const taxRow = $('#invoice-tax-row'); |
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if (totals.tax_rate > 0) { |
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$('#invoice-tax').text(this.formatMoney(totals.tax)); |
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$('#invoice-tax-label').text( |
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easy_invoice_vars.i18n.tax + ' (' + totals.tax_rate + '%)' |
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); |
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taxRow.show(); |
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} else { |
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taxRow.hide(); |
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} |
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|
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// Total |
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$('#invoice-total').text(this.formatMoney(totals.total)); |
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}, |
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|
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// Render notes and payment |
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renderNotesAndPayment: function() { |
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const payment = this.data.payment; |
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const notes = this.data.notes; |
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|
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// Notes |
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if (notes) { |
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$('#invoice-notes').html(notes); |
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$('#notes-section').show(); |
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} else { |
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$('#notes-section').hide(); |
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} |
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|
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// Payment method |
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if (payment.method) { |
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$('#invoice-payment-method').text(payment.method); |
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$('#payment-method-row').show(); |
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} else { |
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$('#payment-method-row').hide(); |
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} |
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|
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// Payment instructions |
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if (payment.instructions) { |
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$('#invoice-payment-instructions').html(payment.instructions); |
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$('#payment-instructions-section').show(); |
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} else { |
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$('#payment-instructions-section').hide(); |
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} |
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}, |
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|
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// Format address |
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formatAddress: function(address) { |
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if (!address) return ''; |
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|
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return address.replace(/\n/g, '<br>'); |
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}, |
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|
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// Format money |
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formatMoney: function(amount) { |
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return easy_invoice_vars.currency_symbol + parseFloat(amount).toFixed(2); |
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}, |
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|
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// Show error message |
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showError: function(message) { |
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// Set error message |
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$('.invoice-preview-error-message').text(message); |
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|
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// Hide loading and content, show error |
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this.loadingSection.hide(); |
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this.contentSection.hide(); |
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this.errorSection.show(); |
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}, |
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|
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// Print invoice |
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printInvoice: function(e) { |
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e.preventDefault(); |
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window.print(); |
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}, |
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|
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// Download PDF |
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downloadPdf: function(e) { |
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e.preventDefault(); |
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|
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// Get button element |
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const button = $(e.currentTarget); |
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const originalText = button.html(); |
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|
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// Disable button and show loading state |
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button.prop('disabled', true) |
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.html('<i class="fas fa-spinner fa-spin mr-2"></i>' + easy_invoice_vars.i18n.generating); |
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|
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// Use the new PDF generator that captures HTML directly |
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if (typeof InvoicePdfGenerator !== 'undefined') { |
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const pdfGenerator = new InvoicePdfGenerator(); |
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pdfGenerator.generatePDF(); |
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|
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// Show success message after a short delay |
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setTimeout(function() { |
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EasyInvoiceToast.success("PDF generated successfully"); |
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}, 2000); |
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} else { |
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EasyInvoiceToast.error("PDF generator not available"); |
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} |
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|
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// Restore button to original state with delay |
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setTimeout(function() { |
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button.prop('disabled', false).html(originalText); |
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}, 1000); |
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}, |
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|
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// Send email |
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sendEmail: function(e) { |
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e.preventDefault(); |
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|
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const button = $(this); |
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const originalText = button.html(); |
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|
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// Disable button and show loading |
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button.prop('disabled', true) |
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.html('<i class="fas fa-spinner fa-spin mr-2"></i>' + easy_invoice_vars.i18n.sending); |
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|
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// Make AJAX request |
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$.ajax({ |
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url: easy_invoice_vars.ajax_url, |
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type: 'POST', |
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data: { |
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action: 'easy_invoice_send_email', |
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nonce: easy_invoice_vars.nonce, |
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invoice_id: InvoicePreview.invoiceId |
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}, |
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success: function(response) { |
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if (response.success) { |
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// Show success message |
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if (typeof EasyInvoiceToast !== 'undefined') { |
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EasyInvoiceToast.show('success', response.data.message || easy_invoice_vars.i18n.email_sent); |
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} |
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} else { |
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// Show error |
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if (typeof EasyInvoiceToast !== 'undefined') { |
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EasyInvoiceToast.show('error', response.data.message || easy_invoice_vars.i18n.email_error); |
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} |
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} |
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|
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// Restore button |
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button.prop('disabled', false).html(originalText); |
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}, |
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error: function() { |
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// Show error |
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if (typeof EasyInvoiceToast !== 'undefined') { |
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EasyInvoiceToast.show('error', easy_invoice_vars.i18n.error_connection); |
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} |
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|
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// Restore button |
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button.prop('disabled', false).html(originalText); |
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} |
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}); |
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}, |
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|
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// Get parameter by name from URL |
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getParameterByName: function(name, url) { |
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if (!url) url = window.location.href; |
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name = name.replace(/[\[\]]/g, '\\$&'); |
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const regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)'), |
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results = regex.exec(url); |
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if (!results) return null; |
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if (!results[2]) return ''; |
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return decodeURIComponent(results[2].replace(/\+/g, ' ')); |
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} |
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}; |
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|
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// Initialize on document ready |
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$(document).ready(function() { |
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InvoicePreview.init(); |
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}); |
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|
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})(jQuery); |
