/**
* Edit payment gateway action.
*/
public static function edit_payment_gateway()
{
if (!isset($_POST['gateway_id'])) {
return;
}
$gateway_id = sanitize_title($_POST['gateway_id']);
// Verify nonce.
check_admin_referer('ib_educator_payments_settings');
// Get available gateways.
$gateways = IB_Educator_Main::get_gateways();
// Does the requested gateway exist?
if (!isset($gateways[$gateway_id])) {
return;
}
// Capability check.
if (!current_user_can('manage_educator')) {
return;
}
$saved = $gateways[$gateway_id]->save_admin_options();
$message = '';
if (true === $saved) {
$message = 'saved';
} else {
$message = 'not_saved';
}
wp_redirect(admin_url('admin.php?page=ib_educator_admin&tab=payment&gateway_id=' . $gateway_id . '&edu-message=' . $message));
}
<!-- Payment Method -->
<div class="ib-edu-field edu-block">
<div class="ib-edu-label">
<label for="ib-edu-amount"><?php
_e('Payment Method', 'ibeducator');
?>
</label>
</div>
<div class="ib-edu-control">
<select name="payment_gateway">
<option value="">— <?php
_e('Select', 'ibeducator');
?>
—</option>
<?php
$gateways = IB_Educator_Main::get_gateways();
foreach ($gateways as $gateway) {
echo '<option value="' . esc_attr($gateway->get_id()) . '" ' . selected($payment->payment_gateway, $gateway->get_id()) . '>' . esc_html($gateway->get_title()) . '</option>';
}
?>
</select>
</div>
</div>
<!-- Transaction ID -->
<div class="ib-edu-field edu-block">
<div class="ib-edu-label">
<label for="ib-edu-txn_id"><?php
_e('Transaction ID', 'ibeducator');
?>
</label>
/**
* Pay for a course.
*/
public static function payment()
{
if (!isset($_POST['_wpnonce']) || !wp_verify_nonce($_POST['_wpnonce'], 'ibedu_submit_payment')) {
return;
}
do_action('ib_educator_before_payment');
// Get post id and payment type (course or membership).
$post_id = 0;
// either course id or membership id
$payment_type = 'course';
if (isset($_POST['course_id'])) {
$post_id = absint($_POST['course_id']);
} elseif (isset($_POST['membership_id'])) {
$post_id = absint($_POST['membership_id']);
$payment_type = 'membership';
}
$post = get_post($post_id);
if (!$post) {
return;
}
$user_id = get_current_user_id();
$errors = new WP_Error();
// Check the course prerequisites.
if ('course' == $payment_type) {
// Registration allowed?
if ('closed' == ib_edu_registration($post_id)) {
return;
}
// Check prerequisites.
$api = IB_Educator::get_instance();
if (!$api->check_prerequisites($post_id, $user_id)) {
$prerequisites_html = '';
$prerequisites = $api->get_prerequisites($post_id);
$courses = get_posts(array('post_type' => 'ib_educator_course', 'post_status' => 'publish', 'include' => $prerequisites));
if (!empty($courses)) {
foreach ($courses as $course) {
$prerequisites_html .= '<br><a href="' . esc_url(get_permalink($course->ID)) . '">' . esc_html($course->post_title) . '</a>';
}
}
$errors->add('prerequisites', sprintf(__('You have to complete the prerequisites for this course: %s', 'ibeducator'), $prerequisites_html));
ib_edu_message('payment_errors', $errors);
return;
}
}
// Get the payment method.
$payment_method = '';
$gateways = IB_Educator_Main::get_gateways();
if (!isset($_POST['payment_method']) || !array_key_exists($_POST['payment_method'], $gateways)) {
$errors->add('empty_payment_method', __('Please select a payment method.', 'ibeducator'));
} else {
$payment_method = $_POST['payment_method'];
}
/**
* Filter the validation of the payment form.
*
* @param WP_Error $errors
*/
$errors = apply_filters('ib_educator_register_form_validate', $errors, $post);
// Attempt to register the user.
if ($errors->get_error_code()) {
ib_edu_message('payment_errors', $errors);
return;
} elseif (!$user_id) {
$user_data = apply_filters('ib_educator_register_user_data', array('role' => 'student'), $post);
$user_id = wp_insert_user($user_data);
if (is_wp_error($user_id)) {
ib_edu_message('payment_errors', $user_id);
return;
} else {
// Setup the password change nag.
update_user_option($user_id, 'default_password_nag', true, true);
// Send the new user notifications.
wp_new_user_notification($user_id, $user_data['user_pass']);
do_action('ib_educator_new_student', $user_id, $post);
// Log the user in.
wp_set_auth_cookie($user_id);
}
} else {
do_action('ib_educator_update_student', $user_id, $post);
}
$can_pay = true;
if ('course' == $payment_type) {
$access_status = IB_Educator::get_instance()->get_access_status($post_id, $user_id);
// Student can pay for a course only if he/she completed this course or didn't register for it yet.
$can_pay = in_array($access_status, array('course_complete', 'forbidden'));
}
if ($can_pay) {
// Process payment.
$atts = array();
if (ib_edu_get_option('payment_ip', 'settings')) {
$atts['ip'] = $_SERVER['REMOTE_ADDR'];
}
$result = $gateways[$payment_method]->process_payment($post_id, $user_id, $payment_type, $atts);
/**
* Fires when the payment record has been created.
*
* The payment may not be confirmed yet.
*
* @param null|IB_Educator_Payment
*/
do_action('ib_educator_payment_processed', isset($result['payment']) ? $result['payment'] : null);
// Go to the next step(e.g. thank you page).
wp_safe_redirect($result['redirect']);
exit;
}
}