| 1 |
/** |
| 2 |
* Easy Invoice Payment Handler |
| 3 |
* |
| 4 |
* @package EasyInvoice |
| 5 |
* @since 1.0.0 |
| 6 |
*/ |
| 7 |
(function($) { |
| 8 |
'use strict'; |
| 9 |
|
| 10 |
// Module pattern for better encapsulation |
| 11 |
const EasyInvoicePayment = { |
| 12 |
// Properties |
| 13 |
initialized: false, |
| 14 |
selectedGateway: null, |
| 15 |
stripeInstance: null, |
| 16 |
cardElement: null, |
| 17 |
stripeClientSecret: null, |
| 18 |
$paymentButton: null, |
| 19 |
originalPayButtonText: '', |
| 20 |
messageClearTimeout: null, |
| 21 |
$paymentPanel: null, |
| 22 |
$mainContentArea: null, |
| 23 |
$openPaymentPanelButton: null, |
| 24 |
$closePaymentPanelButton: null, |
| 25 |
|
| 26 |
/** |
| 27 |
* Initialize the payment handler |
| 28 |
*/ |
| 29 |
init: function() { |
| 30 |
// Prevent multiple initializations |
| 31 |
if (window.easyInvoicePaymentInitialized || this.initialized) { |
| 32 |
return; |
| 33 |
} |
| 34 |
this.initialized = true; |
| 35 |
window.easyInvoicePaymentInitialized = true; |
| 36 |
|
| 37 |
// Cache DOM elements |
| 38 |
this.$paymentButton = $('.payment-button'); |
| 39 |
this.originalPayButtonText = this.$paymentButton.text() || 'Pay Now'; |
| 40 |
this.$paymentPanel = $('#payment-slideout-panel'); |
| 41 |
this.$mainContentArea = $('.easy-invoice-main-content-area'); |
| 42 |
this.$openPaymentPanelButton = $('#open-payment-panel-button'); |
| 43 |
this.$closePaymentPanelButton = $('#close-payment-panel-button'); |
| 44 |
|
| 45 |
// Setup event handlers |
| 46 |
this.setupEventListeners(); |
| 47 |
|
| 48 |
// Show default payment method if pre-selected |
| 49 |
const $defaultMethod = $('input[name="payment_method_radio"]:checked'); |
| 50 |
if ($defaultMethod.length) { |
| 51 |
$defaultMethod.trigger('change'); |
| 52 |
} |
| 53 |
}, |
| 54 |
|
| 55 |
/** |
| 56 |
* Setup all event listeners |
| 57 |
*/ |
| 58 |
setupEventListeners: function() { |
| 59 |
// Payment method selection |
| 60 |
$('input[name="payment_method_radio"]').on('change', this.handlePaymentMethodChange.bind(this)); |
| 61 |
|
| 62 |
// Payment button |
| 63 |
this.$paymentButton.on('click', this.handlePaymentButtonClick.bind(this)); |
| 64 |
|
| 65 |
// Panel open/close |
| 66 |
this.$openPaymentPanelButton.on('click', this.handleOpenPanel.bind(this)); |
| 67 |
this.$closePaymentPanelButton.on('click', this.handleClosePanel.bind(this)); |
| 68 |
|
| 69 |
// Close panel with Escape key |
| 70 |
$(document).on('keydown', this.handleKeyDown.bind(this)); |
| 71 |
}, |
| 72 |
|
| 73 |
/** |
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* Handle payment method selection change |
| 75 |
*/ |
| 76 |
handlePaymentMethodChange: function(e) { |
| 77 |
this.selectedGateway = $(e.currentTarget).val(); |
| 78 |
const $selectedEntry = $(e.currentTarget).closest('.payment-method-entry'); |
| 79 |
|
| 80 |
// Update UI |
| 81 |
$('.payment-method-entry').removeClass('selected-gateway border-indigo-600 shadow-lg') |
| 82 |
.addClass('border-gray-300 shadow-sm'); |
| 83 |
$selectedEntry.addClass('selected-gateway border-indigo-600 shadow-lg') |
| 84 |
.removeClass('border-gray-300 shadow-sm'); |
| 85 |
|
| 86 |
// Hide all payment form areas |
| 87 |
$('.easy-invoice-stripe-card-area').addClass('hidden'); |
| 88 |
|
| 89 |
// Clear card errors if any |
| 90 |
if (this.cardElement) { |
| 91 |
const $cardErrorsDiv = $('#card-errors'); |
| 92 |
if ($cardErrorsDiv.length) { |
| 93 |
$cardErrorsDiv.text(''); |
| 94 |
} |
| 95 |
} |
| 96 |
|
| 97 |
// Reset payment button |
| 98 |
this.$paymentButton.text(this.originalPayButtonText); |
| 99 |
|
| 100 |
// Handle Stripe gateway |
| 101 |
if (this.selectedGateway === 'stripe') { |
| 102 |
this.initializeStripePayment($selectedEntry); |
| 103 |
} else { |
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// For other gateways, enable payment button immediately |
| 105 |
this.$paymentButton.prop('disabled', false); |
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} |
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}, |
| 108 |
|
| 109 |
/** |
| 110 |
* Initialize Stripe payment elements |
| 111 |
*/ |
| 112 |
initializeStripePayment: function($selectedEntry) { |
| 113 |
const $stripeCardArea = $selectedEntry.find('#stripe-card-area'); |
| 114 |
if (!$stripeCardArea.length) { |
| 115 |
// Stripe card area not found |
| 116 |
this.showPaymentMessage('Stripe UI setup error. Please try refreshing.', 'error'); |
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return; |
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} |
| 119 |
|
| 120 |
$stripeCardArea.removeClass('hidden').html('<p class="text-sm text-gray-600 p-2">Loading card details...</p>'); |
| 121 |
|
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const invoiceId = this.$paymentButton.data('invoice-id'); |
| 123 |
if (!invoiceId) { |
| 124 |
$stripeCardArea.html('<p class="text-red-600 p-2">Error: Invoice ID missing.</p>'); |
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return; |
| 126 |
} |
| 127 |
|
| 128 |
// Request client secret from server |
| 129 |
$.ajax({ |
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url: easy_invoice_vars.ajax_url, |
| 131 |
type: 'POST', |
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data: { |
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action: 'easy_invoice_process_payment', |
| 134 |
invoice_id: invoiceId, |
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payment_method: 'stripe', |
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payment_nonce: easy_invoice_vars.nonce |
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}, |
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success: (response) => { |
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if (response.success && response.data.client_secret) { |
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this.stripeClientSecret = response.data.client_secret; |
| 141 |
|
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// Setup card element HTML |
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$stripeCardArea.html(` |
| 144 |
<label for="card-element" class="block text-sm font-medium text-gray-700 mb-1">Credit or debit card</label> |
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<div id="card-element" class="mt-1 p-3 border border-gray-300 rounded-md shadow-sm bg-white"></div> |
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<div id="card-errors" role="alert" class="mt-2 text-sm text-red-600"></div> |
| 147 |
`); |
| 148 |
|
| 149 |
if (this.initializeStripeElements(this.stripeClientSecret, $selectedEntry)) { |
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this.$paymentButton.text('Pay with Card'); |
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|
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// Set button state based on card completeness |
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const currentCardState = this.cardElement._empty ? false : this.cardElement._complete; |
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this.$paymentButton.prop('disabled', !currentCardState); |
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} else { |
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this.$paymentButton.prop('disabled', true); |
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} |
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} else { |
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const errorMsg = response.data && response.data.message |
| 160 |
? response.data.message |
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: 'Could not initialize Stripe payment.'; |
| 162 |
$stripeCardArea.html(`<p class="text-red-600 p-2">${errorMsg}</p>`); |
| 163 |
this.$paymentButton.prop('disabled', true); |
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} |
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}, |
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error: (xhr) => { |
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// Stripe client_secret AJAX error |
| 168 |
$stripeCardArea.html('<p class="text-red-600 p-2">Server error during Stripe setup. Please try again.</p>'); |
| 169 |
this.$paymentButton.prop('disabled', true); |
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} |
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}); |
| 172 |
}, |
| 173 |
|
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/** |
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* Initialize Stripe Elements |
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*/ |
| 177 |
initializeStripeElements: function(clientSecret, $stripeMethodEntry) { |
| 178 |
if (!this.stripeInstance) { |
| 179 |
this.stripeInstance = Stripe(easy_invoice_vars.stripe_public_key); |
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} |
| 181 |
|
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const elements = this.stripeInstance.elements({ |
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clientSecret: clientSecret |
| 184 |
}); |
| 185 |
|
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// Clean up previous card element |
| 187 |
if (this.cardElement) { |
| 188 |
this.cardElement.destroy(); |
| 189 |
} |
| 190 |
|
| 191 |
this.cardElement = elements.create('card'); |
| 192 |
|
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const $stripeCardArea = $stripeMethodEntry.find('#stripe-card-area'); |
| 194 |
const $cardElementDiv = $stripeCardArea.find('#card-element'); |
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const $cardErrorsDiv = $stripeCardArea.find('#card-errors'); |
| 196 |
|
| 197 |
if (!$cardElementDiv.length) { |
| 198 |
// Card element div not found within stripe card area |
| 199 |
$stripeCardArea.removeClass('hidden') |
| 200 |
.html('<p class="text-red-600">Stripe card input cannot be displayed. Element missing.</p>'); |
| 201 |
this.$paymentButton.prop('disabled', true); |
| 202 |
return false; |
| 203 |
} |
| 204 |
|
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$cardElementDiv.empty(); |
| 206 |
this.cardElement.mount($cardElementDiv.get(0)); |
| 207 |
$stripeCardArea.removeClass('hidden'); |
| 208 |
|
| 209 |
// Listen for card element changes |
| 210 |
this.cardElement.on('change', (event) => { |
| 211 |
if (event.error) { |
| 212 |
$cardErrorsDiv.text(event.error.message); |
| 213 |
this.$paymentButton.prop('disabled', true); |
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} else { |
| 215 |
$cardErrorsDiv.text(''); |
| 216 |
this.$paymentButton.prop('disabled', !event.complete); |
| 217 |
} |
| 218 |
}); |
| 219 |
|
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return true; |
| 221 |
}, |
| 222 |
|
| 223 |
/** |
| 224 |
* Handle payment button click |
| 225 |
*/ |
| 226 |
handlePaymentButtonClick: function(e) { |
| 227 |
e.preventDefault(); |
| 228 |
this.$paymentButton.prop('disabled', true); |
| 229 |
|
| 230 |
if (!this.selectedGateway) { |
| 231 |
this.showPaymentMessage('Please select a payment method first.', 'error'); |
| 232 |
this.$paymentButton.prop('disabled', false); |
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return; |
| 234 |
} |
| 235 |
|
| 236 |
// Show loading state |
| 237 |
this.$paymentButton.html('<i class="fas fa-circle-notch fa-spin mr-2"></i>Processing...'); |
| 238 |
|
| 239 |
// Handle Stripe payment |
| 240 |
if (this.selectedGateway === 'stripe') { |
| 241 |
this.processStripePayment(); |
| 242 |
return; |
| 243 |
} |
| 244 |
|
| 245 |
// Handle other payment methods |
| 246 |
this.processStandardPayment(); |
| 247 |
}, |
| 248 |
|
| 249 |
/** |
| 250 |
* Process Stripe payment |
| 251 |
*/ |
| 252 |
processStripePayment: function() { |
| 253 |
if (!this.stripeInstance || !this.cardElement || !this.stripeClientSecret) { |
| 254 |
this.showPaymentMessage('Stripe payment setup is incomplete. Please refresh and try again.', 'error'); |
| 255 |
this.$paymentButton.html(this.originalPayButtonText).prop('disabled', false); |
| 256 |
return; |
| 257 |
} |
| 258 |
|
| 259 |
this.stripeInstance.confirmCardPayment(this.stripeClientSecret, { |
| 260 |
payment_method: { |
| 261 |
card: this.cardElement |
| 262 |
} |
| 263 |
}) |
| 264 |
.then((result) => { |
| 265 |
if (result.error) { |
| 266 |
this.showPaymentMessage(result.error.message, 'error'); |
| 267 |
this.$paymentButton.html(this.originalPayButtonText).prop('disabled', false); |
| 268 |
} else if (result.paymentIntent && result.paymentIntent.status === 'succeeded') { |
| 269 |
// Create payment record |
| 270 |
this.createPaymentRecord(result.paymentIntent.id); |
| 271 |
} else { |
| 272 |
this.showPaymentMessage('Payment processing failed. Please try again.', 'error'); |
| 273 |
this.$paymentButton.html(this.originalPayButtonText).prop('disabled', false); |
| 274 |
} |
| 275 |
}) |
| 276 |
.catch((error) => { |
| 277 |
// Stripe.confirmCardPayment error |
| 278 |
this.showPaymentMessage('Payment processing error. Please try again.', 'error'); |
| 279 |
this.$paymentButton.html(this.originalPayButtonText).prop('disabled', false); |
| 280 |
}); |
| 281 |
}, |
| 282 |
|
| 283 |
|
| 284 |
|
| 285 |
/** |
| 286 |
* Process standard (non-Stripe) payment |
| 287 |
*/ |
| 288 |
processStandardPayment: function() { |
| 289 |
const invoiceId = this.$paymentButton.data('invoice-id'); |
| 290 |
if (!invoiceId) { |
| 291 |
this.showPaymentMessage('Invoice ID is missing. Please refresh the page.', 'error'); |
| 292 |
this.$paymentButton.html(this.originalPayButtonText).prop('disabled', false); |
| 293 |
return; |
| 294 |
} |
| 295 |
|
| 296 |
$.ajax({ |
| 297 |
url: easy_invoice_vars.ajax_url, |
| 298 |
type: 'POST', |
| 299 |
data: { |
| 300 |
action: 'easy_invoice_process_payment', |
| 301 |
invoice_id: invoiceId, |
| 302 |
payment_method: this.selectedGateway, |
| 303 |
payment_nonce: easy_invoice_vars.nonce |
| 304 |
}, |
| 305 |
success: (response) => { |
| 306 |
if (response.success) { |
| 307 |
this.handlePaymentSuccess(response.data); |
| 308 |
} else { |
| 309 |
const errorMsg = response.data && response.data.message |
| 310 |
? response.data.message |
| 311 |
: 'Payment processing failed.'; |
| 312 |
this.showPaymentMessage(errorMsg, 'error'); |
| 313 |
this.$paymentButton.html(this.originalPayButtonText).prop('disabled', false); |
| 314 |
} |
| 315 |
}, |
| 316 |
error: (xhr) => { |
| 317 |
// Payment AJAX error |
| 318 |
this.showPaymentMessage('Server error during payment. Please try again.', 'error'); |
| 319 |
this.$paymentButton.html(this.originalPayButtonText).prop('disabled', false); |
| 320 |
} |
| 321 |
}); |
| 322 |
}, |
| 323 |
|
| 324 |
/** |
| 325 |
* Create payment record after successful Stripe payment |
| 326 |
*/ |
| 327 |
createPaymentRecord: function(transactionId) { |
| 328 |
const invoiceId = this.$paymentButton.data('invoice-id'); |
| 329 |
|
| 330 |
$.ajax({ |
| 331 |
url: easy_invoice_vars.ajax_url, |
| 332 |
type: 'POST', |
| 333 |
data: { |
| 334 |
action: 'easy_invoice_create_payment_record', |
| 335 |
invoice_id: invoiceId, |
| 336 |
payment_method: 'stripe', |
| 337 |
transaction_id: transactionId, |
| 338 |
payment_nonce: easy_invoice_vars.nonce |
| 339 |
}, |
| 340 |
success: (response) => { |
| 341 |
if (response.success) { |
| 342 |
this.handlePaymentSuccess(response.data); |
| 343 |
} else { |
| 344 |
const errorMsg = response.data && response.data.message |
| 345 |
? response.data.message |
| 346 |
: 'Payment recorded but failed to update records.'; |
| 347 |
this.showPaymentMessage(errorMsg, 'warning'); |
| 348 |
this.$paymentButton.html('Payment Recorded').prop('disabled', true); |
| 349 |
|
| 350 |
// Reload page after delay even if there was an error updating records |
| 351 |
setTimeout(() => { |
| 352 |
window.location.reload(); |
| 353 |
}, 3000); |
| 354 |
} |
| 355 |
}, |
| 356 |
error: (xhr) => { |
| 357 |
// Payment record error |
| 358 |
this.showPaymentMessage('Payment successful but failed to update records. The administrator has been notified.', 'warning'); |
| 359 |
this.$paymentButton.html('Payment Recorded').prop('disabled', true); |
| 360 |
|
| 361 |
// Reload page after delay |
| 362 |
setTimeout(() => { |
| 363 |
window.location.reload(); |
| 364 |
}, 3000); |
| 365 |
} |
| 366 |
}); |
| 367 |
}, |
| 368 |
|
| 369 |
/** |
| 370 |
* Handle successful payment |
| 371 |
*/ |
| 372 |
handlePaymentSuccess: function(data) { |
| 373 |
// Update button state |
| 374 |
this.$paymentButton.html('<i class="fas fa-check-circle mr-2"></i>Payment Successful!').prop('disabled', true); |
| 375 |
|
| 376 |
// Show success message |
| 377 |
this.showPaymentMessage(data.message || 'Payment successful!', 'success'); |
| 378 |
|
| 379 |
// Handle redirect if provided |
| 380 |
if (data.redirect_url) { |
| 381 |
setTimeout(() => { |
| 382 |
window.location.href = data.redirect_url; |
| 383 |
}, 2000); |
| 384 |
return; |
| 385 |
} |
| 386 |
|
| 387 |
// Otherwise reload the page after delay |
| 388 |
setTimeout(() => { |
| 389 |
window.location.reload(); |
| 390 |
}, 2000); |
| 391 |
}, |
| 392 |
|
| 393 |
/** |
| 394 |
* Show payment status message |
| 395 |
*/ |
| 396 |
showPaymentMessage: function(message, type) { |
| 397 |
const $messageArea = $('#payment-message-area'); |
| 398 |
if (!$messageArea.length) { |
| 399 |
// Payment message area not found |
| 400 |
return; |
| 401 |
} |
| 402 |
|
| 403 |
// Clear any existing timeout |
| 404 |
if (this.messageClearTimeout) { |
| 405 |
clearTimeout(this.messageClearTimeout); |
| 406 |
} |
| 407 |
|
| 408 |
// Determine styling based on message type |
| 409 |
let bgClass, textClass, icon; |
| 410 |
|
| 411 |
switch (type) { |
| 412 |
case 'success': |
| 413 |
bgClass = 'bg-green-100 border-green-400'; |
| 414 |
textClass = 'text-green-700'; |
| 415 |
icon = 'fa-check-circle'; |
| 416 |
break; |
| 417 |
case 'warning': |
| 418 |
bgClass = 'bg-yellow-100 border-yellow-400'; |
| 419 |
textClass = 'text-yellow-700'; |
| 420 |
icon = 'fa-exclamation-triangle'; |
| 421 |
break; |
| 422 |
case 'error': |
| 423 |
default: |
| 424 |
bgClass = 'bg-red-100 border-red-400'; |
| 425 |
textClass = 'text-red-700'; |
| 426 |
icon = 'fa-times-circle'; |
| 427 |
break; |
| 428 |
} |
| 429 |
|
| 430 |
// Build and show message |
| 431 |
const $messageHtml = $(` |
| 432 |
<div class="rounded-md border px-4 py-3 ${bgClass} mb-4 animate-fade-in"> |
| 433 |
<div class="flex items-center"> |
| 434 |
<div class="flex-shrink-0"> |
| 435 |
<i class="fas ${icon} ${textClass}"></i> |
| 436 |
</div> |
| 437 |
<div class="ml-3"> |
| 438 |
<p class="text-sm ${textClass}">${message}</p> |
| 439 |
</div> |
| 440 |
</div> |
| 441 |
</div> |
| 442 |
`); |
| 443 |
|
| 444 |
$messageArea.html($messageHtml); |
| 445 |
|
| 446 |
// Auto-hide messages except for success ones |
| 447 |
if (type !== 'success') { |
| 448 |
this.messageClearTimeout = setTimeout(() => { |
| 449 |
$messageHtml.fadeOut(300, function() { |
| 450 |
$(this).remove(); |
| 451 |
}); |
| 452 |
}, 6000); |
| 453 |
} |
| 454 |
}, |
| 455 |
|
| 456 |
/** |
| 457 |
* Handle panel open button click |
| 458 |
*/ |
| 459 |
handleOpenPanel: function(e) { |
| 460 |
e.preventDefault(); |
| 461 |
this.$paymentPanel.addClass('is-open'); |
| 462 |
$('body').addClass('body-panel-active'); |
| 463 |
this.$closePaymentPanelButton.focus(); |
| 464 |
}, |
| 465 |
|
| 466 |
/** |
| 467 |
* Handle panel close button click |
| 468 |
*/ |
| 469 |
handleClosePanel: function(e) { |
| 470 |
e.preventDefault(); |
| 471 |
this.$paymentPanel.removeClass('is-open'); |
| 472 |
$('body').removeClass('body-panel-active'); |
| 473 |
this.$openPaymentPanelButton.focus(); |
| 474 |
}, |
| 475 |
|
| 476 |
/** |
| 477 |
* Handle keyboard events |
| 478 |
*/ |
| 479 |
handleKeyDown: function(event) { |
| 480 |
if (event.key === "Escape" && this.$paymentPanel.hasClass('is-open')) { |
| 481 |
this.handleClosePanel(event); |
| 482 |
} |
| 483 |
} |
| 484 |
}; |
| 485 |
|
| 486 |
// Initialize when document is ready |
| 487 |
$(document).ready(function() { |
| 488 |
EasyInvoicePayment.init(); |
| 489 |
}); |
| 490 |
|
| 491 |
})(jQuery); |
