<?php
if (!defined('ABSPATH')) {
return;
}
if( !class_exists('WC_Gateway_Invite_FPS_Payment_Gateway') ){
class WC_Gateway_Invite_FPS_Payment_Gateway extends WC_Payment_Gateway {
public function __construct() {
$this->id = ITS_WPF_PLUGIN_ID;
$this->icon = plugins_url('assets/fps.png', __FILE__);
$this->has_fields = true;
$this->method_title = __('Hong Kong Faster Payment System (FPS)',ITS_WPF_PLUGIN_ID);
$this->method_description = __("Hong Kong interbank real time transfer using account holder ids and QR codes.",ITS_WPF_PLUGIN_ID);
$this->supports = array(
'products'
);
$this->init_form_fields();
$this->init_settings();
$this->title = $this->get_option( 'title' );
$this->description = $this->get_option( 'description' );
$this->enabled = $this->get_option( 'enabled' );
$this->account_id_type = $this->get_option( 'account_id_type' );
$this->account_fps_id = $this->get_option( 'account_fps_id' );
$this->account_bank_code = $this->get_option( 'account_bank_code' );
$this->ask_to_pay = $this->get_option( 'ask_to_pay' );
$this->fps_payment_reference_guide = $this->get_option( 'fps_payment_reference_guide' );
add_action( 'woocommerce_update_options_payment_gateways_' . $this->id, array( $this, 'process_admin_options' ) );
}
public function init_form_fields() {
$this->form_fields = array(
'enabled' => array(
'title' => __('Enable/Disable',ITS_WPF_PLUGIN_ID),
'label' => __('Enable Hong Kong Faster Payment System',ITS_WPF_PLUGIN_ID),
'type' => 'checkbox',
'description' => '',
'default' => 'no'
),
'title' => array(
'title' => __('Title',ITS_WPF_PLUGIN_ID),
'type' => 'text',
'description' => __('This controls the title which the user sees during checkout.',ITS_WPF_PLUGIN_ID),
'default' => __('Hong Kong FPS',ITS_WPF_PLUGIN_ID),
'desc_tip' => true
),
'description' => array(
'title' => __('Description',ITS_WPF_PLUGIN_ID),
'type' => 'textarea',
'description' => __('This controls the description which the user sees during checkout.',ITS_WPF_PLUGIN_ID),
'default' => __('Pay with HK Faster Payment System (FPS). Scan the presented QR code with your bank\'s app or enter the payee FPS id.',ITS_WPF_PLUGIN_ID),
),
'account_id_type' => array(
'title' => __('Account Id Type',ITS_WPF_PLUGIN_ID),
'type' => 'select',
'options' => array(
'02' => __('FPS ID',ITS_WPF_PLUGIN_ID),
'03' => __('Mobile Phone Number',ITS_WPF_PLUGIN_ID),
'04' => __('Email Address',ITS_WPF_PLUGIN_ID)
),
'default' => '02'
),
'account_fps_id' => array(
'title' => __('Account Id',ITS_WPF_PLUGIN_ID),
'type' => 'text',
'description' => __('E-mail address, phone number or specific FPS id',ITS_WPF_PLUGIN_ID),
),
'account_bank_code' => array(
'title' => __('Bank Code',ITS_WPF_PLUGIN_ID),
'type' => 'text',
'description' => __('Three number Hong Kong bank code.',ITS_WPF_PLUGIN_ID)
),
'fps_payment_reference_guide' => array(
'title' => __('Payment Reference Guide',ITS_WPF_PLUGIN_ID),
'type' => 'textarea',
'default' => __('Please input the payment reference number below after payment has been completed.',ITS_WPF_PLUGIN_ID),
'description' => __('Instructions visible to the customer for providing payment reference number after payment. This is not visble of Ask to Pay is active.',ITS_WPF_PLUGIN_ID)
),
'ask_to_pay' => array(
'title' => __('Ask to Pay Enabled',ITS_WPF_PLUGIN_ID),
'label' => __('Ask to Pay Enabled',ITS_WPF_PLUGIN_ID),
'type' => 'checkbox',
'description' => __('The ask to pay function must be enabled by your bank in order to use payment reference numbers.',ITS_WPF_PLUGIN_ID),
'default' => 'no'
),
);
}
private function fps_data($reference){
global $woocommerce;
$currency_code = get_woocommerce_currency();
//echo $currency_code . '<br>';
$fps_currencies = array(
"HKD" => "344",
"CNY" => "156"
);
$fps_currency = $fps_currencies[$currency_code] ?? null;
if( !$fps_currency )
return null;
$data = array(
"account" => $this->account_id_type,
"bank_code" => $this->account_bank_code,
"fps_id" => $this->account_id_type === "02" ? $this->account_fps_id : "",
"mobile" => $this->account_id_type === "03" ? $this->account_fps_id : "",
"email" => $this->account_id_type === "04" ? $this->account_fps_id : "",
"mcc" => "0000",
"curr" => $fps_currency,
"amount" => '' . $this->get_order_total(),
"reference" => $this->ask_to_pay === 'yes' ? $reference : ""
);
return $data;
}
private function urlencode_array($array){
$url = "";
$delimiter = "";
foreach ($array as $key => $value) {
if($value !== ""){
$url .= $delimiter . $key . '=' . urlencode($value);
$delimiter = "&";
}
}
return $url;
}
public function payment_fields() {
global $wp;
$fps_ref_string = $wp->query_vars['order-pay'] ?? $this->random_strings(5);
$fps_data = $this->fps_data($fps_ref_string);
if( !$fps_data ){
echo __("This payment method is only available for HKD payments",ITS_WPF_PLUGIN_ID);
return;
}
$fps_data['currency'] = $fps_data['curr'];
$qrcode = new ITS_FPS_QRCodeData($fps_data);
$qr_code_url = add_query_arg(
'_wpnonce',
wp_create_nonce(ITS_WPF_PLUGIN_ID),
get_site_url() . '/?generate_fps_qrcode=' . urlencode($qrcode->getDataString())
);
if ( $this->description ) {
echo wpautop( wp_kses_post( $this->description ) );
}
echo '<fieldset id="wc-' . esc_attr( $this->id ) . '-cc-form" class="wc-credit-card-form wc-payment-form" style="background:transparent;">';
?>
<div class="form-row form-row-wide">
FPS id: <strong><?php echo $this->account_fps_id ?></strong>
</div>
<?php
if ($this->ask_to_pay === 'no') {?>
<div class="form-row form-row-wide">
<label>FPS Payment Reference <span class="required">*</span><br><small><?php echo $this->fps_payment_reference_guide?></small></label>
<input id="its_wpf_payment_ref" name="its_wpf_payment_ref" type="text" autocomplete="off" value="<?php echo $fps_ref_string ?>">
</div>
<?php
}else{?>
<input id="its_wpf_payment_ref" name="its_wpf_payment_ref" type="hidden" value="<?php echo $fps_ref_string ?>">
<?php
}
?>
<div class="form-row form-row-wide" style="text-align: center;">
<img src="<?php echo $qr_code_url?>">
</div>
<?php
echo '<div class="clear"></div></fieldset>';
}
public function validate_fields() {
if( empty( $_POST[ 'its_wpf_payment_ref' ]) ) {
wc_add_notice( __('Payment reference is required!',ITS_WPF_PLUGIN_ID), 'error' );
return false;
}else{
$trimmed = preg_replace('/\s+/', '', sanitize_text_field($_POST[ 'its_wpf_payment_ref' ]) );
if (strlen($trimmed) === 0) {
wc_add_notice( __('Invalid payment reference!',ITS_WPF_PLUGIN_ID), 'error' );
return false;
}
}
return true;
}
public function process_payment( $order_id ) {
global $woocommerce;
$order = new WC_Order( $order_id );
$order->update_status('on-hold', __( 'Awaiting manual confirmation of FPS payment.', ITS_WPF_PLUGIN_ID ));
$order->set_transaction_id(sanitize_text_field($_POST[ 'its_wpf_payment_ref' ]));
$order->save();
$woocommerce->cart->empty_cart();
return array(
'result' => 'success',
'redirect' => $this->get_return_url( $order )
);
}
private function random_strings($length_of_string) {
// md5 the timestamps and returns substring
// of specified length
return substr(md5(time()), 0, $length_of_string);
}
}
}
?>