Update the screenshots and their descriptions

Add the OnePay gateway

inc/class-wooviet-admin-page.php

@@ -88,6 +88,34 @@ class WooViet_Admin_Page {
                        value="<?php echo wp_create_nonce( 'wooviet_save_settings' ) ?>">
                 <table class="form-table">
                     <tbody>
+                    <tr>
+                        <th scope="row"><?php _e( 'Add the OnePay Domestic Gateway', 'woo-viet' ) ?></th>
+                        <td>
+                            <input name="settings[add_onepay_domestic][enabled]" type="hidden" value="no">
+                            <input name="settings[add_onepay_domestic][enabled]" type="checkbox"
+                                   id="add_onepay_domestic" value="yes"
+								<?php if ( 'yes' == $settings['add_onepay_domestic']['enabled'] )
+									echo 'checked="checked"' ?>>
+                            <label for="add_onepay_domestic"><?php _e( 'Enabled', 'woo-viet' ) ?></label>
+                            <br/>
+                            <br/>
+                            <label for="">
+								<?php
+								echo sprintf( __( 'Your store currency is <code>%s</code>. ', 'woo-viet' ), get_woocommerce_currency() );
+								// Handle whether or not the store current is VND
+								if ( 'VND' == get_woocommerce_currency() ) {
+									_e( 'OnePay can work on your site.', 'woo-viet' );
+									echo '<br/>';
+									echo sprintf( __( 'Please configure this gateway under <a href="%s">WooCommerce -> Settings -> Checkout</a>.', 'woo-viet' ), admin_url( 'admin.php?page=wc-settings&tab=checkout' ) );
+								} else {
+									_e( '<span style="color: red" ">This gateway is not active on your site. Because OnePay supports VND only.</span>', 'woo-viet' );
+								}
+
+								?>
+                            </label>
+                        </td>
+                    </tr>
+
                     <tr>
                         <th scope="row"><?php _e( 'Add provinces for Vietnam', 'woo-viet' ) ?></th>
                         <td>
@@ -99,14 +127,14 @@ class WooViet_Admin_Page {
                         </td>
                     </tr>
                     <tr>
-                        <th scope="row"><?php _e( 'Add districts for Vietnam', 'woo-viet' ) ?><br />
+                        <th scope="row"><?php _e( 'Add districts for Vietnam', 'woo-viet' ) ?><br/>
                             <i><?php _e( 'Require "Add provinces for Vietnam" active', 'woo-viet' ) ?></i>
                         </th>
                         <td>
                             <input name="settings[add_city][enabled]" type="hidden" value="no">
                             <input name="settings[add_city][enabled]" type="checkbox" id="add_city" value="yes"
-			                    <?php if ( 'yes' == $settings['add_city']['enabled'] )
-				                    echo 'checked="checked"' ?>>
+								<?php if ( 'yes' == $settings['add_city']['enabled'] )
+									echo 'checked="checked"' ?>>
                             <label for="add_city"><?php _e( 'Enabled', 'woo-viet' ) ?></label>
                         </td>
                     </tr>

inc/class-wooviet-onepay-domestic.php

@@ -0,0 +1,403 @@
+<?php
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+/**
+ * The class to handle the domestic OnePay gateway https://mtf.onepay.vn/developer/?page=modul_noidia
+ *
+ *
+ * @author   htdat
+ * @since    1.3
+ *
+ */
+class WooViet_OnePay_Domestic extends WC_Payment_Gateway {
+	/**
+	 * Constructor for the gateway.
+	 */
+	public function __construct() {
+		$this->id                 = strtolower( __CLASS__ );
+		$this->has_fields         = false;
+		$this->order_button_text  = __( 'Proceed to OnePay', 'woo-viet' );
+		$this->method_title       = __( 'OnePay Domestic Gateway (by Woo Viet)', 'woo-viet' );
+		$this->method_description = __( 'OnePay supports all major bank ATMs in Vietnam.', 'woo-viet' );
+		$this->supports           = array(
+			'products',
+		);
+
+		// Load the settings.
+		$this->init_form_fields();
+		$this->init_settings();
+
+		// Define user set variables.
+		$this->title         = $this->get_option( 'title' );
+		$this->description   = $this->get_option( 'description' ) . sprintf( '<br/><div align="center"><img src="%s"></div>', WOO_VIET_URL . 'assets/onepay_domestic.png' );
+
+		$this->testmode      = 'yes' === $this->get_option( 'testmode', 'no' );
+		$this->merchant_id   = $this->get_option( 'merchant_id' );
+		$this->access_code   = $this->get_option( 'access_code' );
+		$this->secure_secret = $this->get_option( 'secure_secret' );
+		$this->user          = $this->get_option( 'user' );
+		$this->password      = $this->get_option( 'password' );
+
+		// Process the admin options
+		add_action( 'woocommerce_update_options_payment_gateways_' . $this->id, array(
+			$this,
+			'process_admin_options'
+		) );
+
+		add_action( 'woocommerce_thankyou_' . $this->id, array( $this, 'handle_onepay_return_url' ) );
+
+		add_action( 'woocommerce_api_' . strtolower( __CLASS__ ), array( $this, 'handle_onepay_ipn' ) );
+
+	}
+
+	/**
+	 * Initialise Gateway Settings Form Fields.
+	 */
+	public function init_form_fields() {
+		$this->form_fields = include( 'onepay/domestic-settings.php' );
+	}
+
+	/**
+	 * Get the IPN URL for OnePay
+	 * Format: http://my-site.com/wc-api/WooViet_OnePay_Domestic/
+	 */
+	static function get_onepay_ipn_url() {
+		return WC()->api_request_url( __CLASS__ );
+	}
+
+	/**
+	 * Process the payment
+	 *
+	 * @param int $order_id
+	 *
+	 * @return array
+	 */
+	public function process_payment( $order_id ) {
+		$order = wc_get_order( $order_id );
+
+		return array(
+			'result'   => 'success',
+			'redirect' => $this->get_pay_url( $order )
+		);
+	}
+
+	/**
+	 * Get the OnePay pay URL for an order
+	 * AND set the queryDR cron for this transaction
+	 *
+	 * @param  WC_Order $order
+	 *
+	 * @return string
+	 */
+	public function get_pay_url( $order ) {
+		$args = array(
+			'Title'           => __( 'OnePay Payment Title', 'woo-viet' ),
+			'vpc_Merchant'    => $this->merchant_id,
+			'vpc_AccessCode'  => $this->access_code,
+			'vpc_MerchTxnRef' => sprintf( '%1$s_%2$s', $order->id, date( 'YmdHis' ) ),
+			'vpc_OrderInfo'   => substr(
+				sprintf( 'Order #%1$s - %2$s', $order->id, get_home_url() ),
+				0,
+				32 ), // Limit 32 characters
+			'vpc_Amount'      => $order->get_total() * 100, // Multiplying 100 is a requirement from OnePay
+			'vpc_ReturnURL'   => $this->get_return_url( $order ),
+			'vpc_Version'     => '2',
+			'vpc_Command'     => 'pay',
+			'vpc_Locale'      => ( 'vi' == get_locale() ) ? 'vn' : 'en',
+			'vpc_Currency'    => 'VND',
+			'vpc_TicketNo'    => $_SERVER['REMOTE_ADDR'],
+		);
+
+		// Set the queryDR cron for this transaction
+		$this->set_onepay_querydr_cron( $args['vpc_MerchTxnRef'] );
+
+		// Get the secure hash
+		$vpc_SecureHash = $this->create_vpc_SecureHash( $args );
+
+		// Add the secure hash to the args
+		$args['vpc_SecureHash'] = $vpc_SecureHash;
+		$http_args              = http_build_query( $args, '', '&' );
+
+		if ( $this->testmode ) {
+			return 'https://mtf.onepay.vn/onecomm-pay/vpc.op?' . $http_args;
+		} else {
+			return 'https://onepay.vn/onecomm-pay/vpc.op?' . $http_args;
+		}
+
+	}
+
+	/**
+	 * Set the cron job running queryDR in 20 mintues
+	 * Because the OnePay payment timeout is 15 minutes
+	 *
+	 * @param string $vpc_MerchTxnRef
+	 */
+	public function set_onepay_querydr_cron( $vpc_MerchTxnRef ) {
+
+		wp_schedule_single_event(
+			time() + 20 * 60,
+			'wooviet_handle_onepay_querydr',
+			array( $vpc_MerchTxnRef )
+		);
+
+	}
+
+	/**
+	 * Create the vpc_SecureHash value.
+	 * @see https://mtf.onepay.vn/developer/?page=modul_noidia_php
+	 *
+	 * @param  array $args
+	 *
+	 * @return string
+	 */
+	public function create_vpc_SecureHash( $args ) {
+		$stringHashData = "";
+
+		// arrange array data a-z before make a hash
+		ksort( $args );
+
+		foreach ( $args as $key => $value ) {
+
+			if ( strlen( $value ) > 0 ) {
+				if ( ( strlen( $value ) > 0 ) && ( ( substr( $key, 0, 4 ) == "vpc_" ) || ( substr( $key, 0, 5 ) == "user_" ) ) ) {
+					$stringHashData .= $key . "=" . $value . "&";
+				}
+			}
+		}
+		//Remove the last character "&"
+		$stringHashData = rtrim( $stringHashData, "&" );
+
+		return strtoupper( hash_hmac( 'SHA256', $stringHashData, pack( 'H*', $this->secure_secret ) ) );
+	}
+
+	/**
+	 * Handle the return URL - GET request from OnePay
+	 */
+	public function handle_onepay_return_url() {
+
+		if ( isset( $_GET['vpc_SecureHash'] ) ) {
+
+			$this->process_onepay_response_data( $_GET, 'return' );
+
+		}
+	}
+
+	/**
+	 * Handle the repsonse data from OnePay
+	 *
+	 * @param string $args the response data from OnePay
+	 * @param string $type
+	 */
+	public function process_onepay_response_data( $args, $type ) {
+		$types_accepted = array(
+			'return',
+			'ipn',
+			'querydr',
+		);
+
+		// Do nothing if the type is wrong
+		if ( ! in_array( $type, $types_accepted ) ) {
+			return;
+		}
+
+		$is_secure         = false;
+		$is_querydr_exists = false;
+
+		if ( 'return' == $type OR 'ipn' == $type ) {
+			$vpc_SecureHash = $args['vpc_SecureHash'];
+
+			// Remove the parameter "vpc_SecureHash" for validating SecureHash
+			unset( $args['vpc_SecureHash'] );
+
+			$is_secure = $this->check_vpc_SecureHash( $args, $vpc_SecureHash );
+
+		} elseif ( 'querydr' == $type ) {
+			$is_querydr_exists = ( 'Y' == $args['vpc_DRExists'] );
+
+		}
+
+		// Process the data
+		if ( $is_secure OR $is_querydr_exists ) {
+			/**
+			 * $vpc_MerchTxnRef looks like this "139_20170418101843" or {order_id}_{date_time}
+			 * @see $this->get_pay_url();
+			 */
+			$vpc_MerchTxnRef     = $args['vpc_MerchTxnRef'];
+			$vpc_TxnResponseCode = $args['vpc_TxnResponseCode'];
+
+			// Get the order_id part only
+			$order_id = substr( $vpc_MerchTxnRef, 0, strrpos( $vpc_MerchTxnRef, '_' ) );
+
+			$order = wc_get_order( $order_id );
+
+			// Add the order note for the reference
+			$order_note = sprintf(
+				__( 'OnePay Domestic Gateway Info | Code: %1$s | Message: %2$s | MerchantTxnRef: %3$s | Type: %4$s', 'woo-viet' ),
+				$vpc_TxnResponseCode,
+				$this->OnePay_getResponseDescription( $vpc_TxnResponseCode ),
+				$vpc_MerchTxnRef,
+				$type
+			);
+			$order->add_order_note( $order_note );
+
+			// If the payment is successful, update the order
+			if ( "0" == $vpc_TxnResponseCode ) {
+				$order->payment_complete();
+			}
+
+			switch ( $type ) {
+
+				case 'return':
+					wp_redirect( $this->get_return_url( $order ) );
+					break;
+
+				case 'ipn':
+					exit( 'responsecode=1&desc=confirm-success' );
+					break;
+
+				case 'querydr':
+					// Do nothing
+					break;
+			}
+
+		} else {
+			if ( 'ipn' == $type ) {
+				exit( 'responsecode=0&desc=confirm-success' );
+			}
+
+		}
+	}
+
+	/**
+	 * Whether or not the arguments and a provided $vpc_SecureHash are the same
+	 *
+	 * @see https://mtf.onepay.vn/developer/?page=modul_noidia_php
+	 *
+	 * @param $args
+	 * @param $vpc_SecureHash
+	 *
+	 * @return bool
+	 */
+	public function check_vpc_SecureHash( $args, $vpc_SecureHash ) {
+		// Generate the "vpc_SecureHash" value from $args
+		$vpc_SecureHash_from_args = $this->create_vpc_SecureHash( $args );
+
+		if ( $vpc_SecureHash_from_args == $vpc_SecureHash ) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * Get the response description based on the response code
+	 * This is code is from OnePay
+	 *
+	 * @param string $responseCode
+	 *
+	 * @return string
+	 */
+	public function OnePay_getResponseDescription( $responseCode ) {
+
+		switch ( $responseCode ) {
+			case "0" :
+				$result = "Giao dịch thành công - Approved";
+				break;
+			case "1" :
+				$result = "Ngân hàng từ chối giao dịch - Bank Declined";
+				break;
+			case "3" :
+				$result = "Mã đơn vị không tồn tại - Merchant not exist";
+				break;
+			case "4" :
+				$result = "Không đúng access code - Invalid access code";
+				break;
+			case "5" :
+				$result = "Số tiền không hợp lệ - Invalid amount";
+				break;
+			case "6" :
+				$result = "Mã tiền tệ không tồn tại - Invalid currency code";
+				break;
+			case "7" :
+				$result = "Lỗi không xác định - Unspecified Failure ";
+				break;
+			case "8" :
+				$result = "Số thẻ không đúng - Invalid card Number";
+				break;
+			case "9" :
+				$result = "Tên chủ thẻ không đúng - Invalid card name";
+				break;
+			case "10" :
+				$result = "Thẻ hết hạn/Thẻ bị khóa - Expired Card";
+				break;
+			case "11" :
+				$result = "Thẻ chưa đăng ký sử dụng dịch vụ - Card Not Registed Service(internet banking)";
+				break;
+			case "12" :
+				$result = "Ngày phát hành/Hết hạn không đúng - Invalid card date";
+				break;
+			case "13" :
+				$result = "Vượt quá hạn mức thanh toán - Exist Amount";
+				break;
+			case "21" :
+				$result = "Số tiền không đủ để thanh toán - Insufficient fund";
+				break;
+			case "99" :
+				$result = "Người sủ dụng hủy giao dịch - User cancel";
+				break;
+			default :
+				$result = "Giao dịch thất bại - Failured";
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Handle the IPN POST request from OnePay
+	 */
+	public function handle_onepay_ipn() {
+
+		if ( isset( $_REQUEST['vpc_SecureHash'] ) ) {
+
+			$this->process_onepay_response_data( $_REQUEST, 'ipn' );
+
+		}
+	}
+
+	/**
+	 * Handle the queryDR request
+	 *
+	 * @param string $vpc_MerchTxnRef
+	 */
+	public function handle_onepay_querydr( $vpc_MerchTxnRef ) {
+		// Build the queryDR link
+		$args = array(
+			'vpc_Command'     => 'queryDR',
+			'vpc_Version'     => '1',
+			'vpc_MerchTxnRef' => $vpc_MerchTxnRef,
+			'vpc_Merchant'    => $this->merchant_id,
+			'vpc_AccessCode'  => $this->access_code,
+			'vpc_User'        => $this->user,
+			'vpc_Password'    => $this->password,
+		);
+
+		$http_args = http_build_query( $args, '', '&' );
+
+		if ( $this->testmode ) {
+			$http_link = 'https://mtf.onepay.vn/onecomm-pay/Vpcdps.op?' . $http_args;
+		} else {
+			$http_link = 'https://onepay.vn/onecomm-pay/Vpcdps.op?' . $http_args;
+		}
+
+		// Connect to OnePay to get the queryDR info
+		$http_response = wp_remote_get( $http_link );
+		parse_str( wp_remote_retrieve_body( $http_response ), $args_response );
+
+		// Process the data
+		$this->process_onepay_response_data( $args_response, 'querydr' );
+
+	}
+
+}

inc/onepay/domestic-settings.php

@@ -0,0 +1,93 @@
+<?php
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+/**
+ * Settings for 1Pay Gateway.
+ * @since 1.3 
+ */
+return array(
+	'enabled'       => array(
+		'title'   => __( 'Enable/Disable', 'woo-viet' ),
+		'type'    => 'checkbox',
+		'label'   => __( 'OnePay Domestic Gateway (by Woo Viet)', 'woo-viet' ),
+		'default' => 'no'
+	),
+	'testmode'      => array(
+		'title'       => __( 'OnePay Sandbox', 'woocommerce' ),
+		'type'        => 'checkbox',
+		'label'       => __( 'Enable OnePay sandbox (testing)', 'woocommerce' ),
+		'default'     => 'no',
+		'description' => sprintf( __( 'OnePay sandbox can be used to test payments. See <a href="%s">the testing info</a>.', 'woocommerce' ), 'https://mtf.onepay.vn/developer/?page=modul_noidia' ),
+		//@todo: add the logo https://mtf.onepay.vn/developer/?page=logo
+	),
+	'title'         => array(
+		'title'       => __( 'Title', 'woo-viet' ),
+		'type'        => 'text',
+		'description' => __( 'This controls the title which the user sees during checkout.', 'woo-viet' ),
+		'default'     => __( 'OnePay Domestic Gateway', 'woo-viet' ),
+		'desc_tip'    => true,
+	),
+	'description'   => array(
+		'title'       => __( 'Description', 'woo-viet' ),
+		'type'        => 'textarea',
+		'desc_tip'    => true,
+		'description' => __( 'This controls the description which the user sees during checkout.', 'woo-viet' ),
+		'default'     => __( 'With OnePay, you can make payment by using any local Vietnam ATM card.', 'woo-viet' )
+	),
+	'api_details'   => array(
+		'title'       => __( 'API Credentials', 'woo-viet' ),
+		'type'        => 'title',
+		'description' => sprintf( __( 'Enter your OnePay API credentials. Contact OnePay to have your credentials %shere%s.', 'woo-viet' ), '<a href="http://onepay.com.vn/home/en/contact-us.html">', '</a>' ),
+	),
+	'merchant_id'   => array(
+		'title'       => __( 'Merchant ID', 'woo-viet' ),
+		'type'        => 'text',
+		'description' => __( 'Get your Merchant ID from OnePay.', 'woo-viet' ),
+		'default'     => '',
+		'desc_tip'    => true,
+		'placeholder' => __( 'Required. Provided by OnePay.', 'woo-viet' )
+	),
+	'access_code'   => array(
+		'title'       => __( 'Access Code', 'woocommerce' ),
+		'type'        => 'text',
+		'description' => __( 'Get your Access Code from OnePay.', 'woo-viet' ),
+		'default'     => '',
+		'desc_tip'    => true,
+		'placeholder' => __( 'Required. Provided by OnePay.', 'woo-viet' )
+	),
+	'secure_secret' => array(
+		'title'       => __( 'Secure Secret', 'woocommerce' ),
+		'type'        => 'text',
+		'description' => __( 'Get your Secure Secret from OnePay.', 'woo-viet' ),
+		'default'     => '',
+		'desc_tip'    => true,
+		'placeholder' => __( 'Required. Provided by OnePay.', 'woo-viet' )
+	),
+	'user'          => array(
+		'title'       => __( 'User for queryDR. Test value: op01', 'woocommerce' ),
+		'type'        => 'text',
+		'description' => __( 'Get your user info from OnePay.', 'woo-viet' ),
+		'default'     => '',
+		'desc_tip'    => true,
+		'placeholder' => __( 'Required. Provided by OnePay', 'woo-viet' )
+	),
+	'password'      => array(
+		'title'       => __( 'Password for queryDR. Test value: op123456', 'woocommerce' ),
+		'type'        => 'text',
+		'description' => __( 'Get your password info from OnePay.', 'woo-viet' ),
+		'default'     => '',
+		'desc_tip'    => true,
+		'placeholder' => __( 'Required. Provided by OnePay.', 'woo-viet' )
+	),
+	'more_info'     => array(
+		'title'       => __( 'Instant Payment Notification (IPN)', 'woo-viet' ),
+		'type'        => 'title',
+		'description' =>
+			sprintf( 'URL: <code>%s</code>', WooViet_OnePay_Domestic::get_onepay_ipn_url() ) . '<p/>' .
+			sprintf( __( '%sContact OnePay%s to configure this URL on its site. <strong>This is required  based on its guidelines.</strong>', 'woo-viet' ), '<a href="http://onepay.com.vn/home/en/contact-us.html">', '</a>' ),
+	),
+
+);

readme.md

@@ -6,7 +6,7 @@
 |Tags| WooCommerce Vietnam, vietnam, vietnamese, vietnam provinces, paypal for vietnam dong, vnd, vietnam dong, vietnam currency, vietnam customization |
 | Requires at least | 4.3 |
 | Tested up to | 4.7 |
-| Stable tag | 1.2 |
+| Stable tag | 1.3 |
 | License | GPLv2 or later |
 | License URI | https://www.gnu.org/licenses/gpl-2.0.html |
 
@@ -22,8 +22,10 @@ Xem phiên bản tiếng Việt tại đây https://vi.wordpress.org/plugins/woo
 
 * Change the VND currency symbol `đ` to anything, e.g: `VND`, `VNĐ`, `đồng`, etc.
 * Add provinces for Vietnam when visitors select Vietnam as a country of the shipping (billing) address. This is not available in WooCommerce by default.
+* Add districts to Vietnam provinces.
 * Convert `000` of prices to `K` (or anything). E.g: `50000` (VND) will be `50K` (VND), or `50 thousand` (VND).
 * Support `VND` for [the PayPal Standard gateway](https://docs.woocommerce.com/document/paypal-standard/). Convert `VND` prices to any PayPal supported currency before sending visitors to the PayPal pages.
+* Add [the OnePay domestic (local ATM cards) gateway](http://onepay.com.vn/).
 
 ## ROAD MAP 
 
@@ -72,6 +74,12 @@ Follow these steps to install and use the plugin:
 
 ## Changelog
 
+### 1.3 - 2017.04.22
+* Add [the OnePay domestic (local ATM cards) gateway](http://onepay.com.vn/)
+
+### 1.2 - 2017.03.03
+* Integrate all districts to Vietnam provinces. Credits: [WC City Select by 8manos](https://github.com/8manos/wc-city-select) and [the Vietnam district data by 10h30](https://github.com/htdat/woo-viet/issues/4#issuecomment-277449462)
+
 ### 1.1 
 * Replace all “WooCommerce for Vietnam” to “Woo Viet”
 * Replace all “woocomerce-for-vietnam” to “woo-viet”
@@ -79,4 +87,4 @@ Follow these steps to install and use the plugin:
 
 ### 1.0 
 * First release.
-* Upload to WordPress.org
+* Upload to WordPress.org

readme.txt

@@ -1,9 +1,9 @@
 === Woo Viet - WooCommerce for Vietnam ===
 Contributors: htdat
-Tags: WooCommerce Vietnam, vietnam, vietnamese, vietnam provinces, paypal for vietnam dong, vnd, vietnam dong, vietnam currency, vietnam customization
+Tags: OnePay WooCommerce, OnePay Vietnam, WooCommerce Vietnam, vietnam, vietnamese, vietnam provinces, paypal for vietnam dong, vnd, vietnam dong, vietnam currency, vietnam customization
 Requires at least: 4.3
-Tested up to: 4.7.2
-Stable tag: 1.2
+Tested up to: 4.7.4
+Stable tag: 1.3
 License: GPLv2 or later
 License URI: https://www.gnu.org/licenses/gpl-2.0.html
 
@@ -15,6 +15,9 @@ Add features to WooCommerce stores having anything related to Vietnam: currency,
 
 Xem phiên bản tiếng Việt tại đây https://vi.wordpress.org/plugins/woo-viet/
 
+**NEW FEATURE**:
+Add [the OnePay domestic (local ATM cards) gateway](http://onepay.com.vn/).
+
 = FEATURES =
 
 * Change the VND currency symbol `đ` to anything, e.g: `VND`, `VNĐ`, `đồng`, etc.
@@ -22,6 +25,7 @@ Xem phiên bản tiếng Việt tại đây https://vi.wordpress.org/plugins/woo
 * Add districts to Vietnam provinces.
 * Convert `000` of prices to `K` (or anything). E.g: `50000` (VND) will be `50K` (VND), or `50 thousand` (VND).
 * Support `VND` for [the PayPal Standard gateway](https://docs.woocommerce.com/document/paypal-standard/). Convert `VND` prices to any PayPal supported currency before sending visitors to the PayPal pages.
+* Add [the OnePay domestic (local ATM cards) gateway](http://onepay.com.vn/).
 
 = ROAD MAP =
 
@@ -65,11 +69,14 @@ Follow these steps to install and use the plugin:
 
 1. The settings page under WooCommerce -> Woo Viet.
 2. Prices are changed to "K", and the symbol is now "VND".
-3. List provinces when selecting Vietnam.
+3. List provinces and districts when selecting Vietnam.
 4. Let clients know about the currency conversion before switching to the PayPal pages.
 
 == Changelog ==
 
+= 1.3 - 2017.04.22 =
+* Add [the OnePay domestic (local ATM cards) gateway](http://onepay.com.vn/).
+
 = 1.2 - 2017.03.03 =
 * Integrate all districts to Vietnam provinces. Credits: [WC City Select by 8manos](https://github.com/8manos/wc-city-select) and [the Vietnam district data by 10h30](https://github.com/htdat/woo-viet/issues/4#issuecomment-277449462)
 
@@ -84,5 +91,8 @@ Follow these steps to install and use the plugin:
 
 == Upgrade Notice ==
 
+= 1.3 =
+The new version 1.2 comes with the feature "Add the OnePay domestic (local ATM cards) gateway]"
+
 = 1.2 =
 The new version 1.2 comes with the feature "Add districts to Vietnam provinces".

woo-viet.php

@@ -7,7 +7,7 @@
  * Author URI: https://profiles.wordpress.org/htdat
  * Text Domain: woo-viet
  * Domain Path: /languages
- * Version: 1.2
+ * Version: 1.3
  * License:     GPLv2+
  */
 
@@ -16,7 +16,7 @@ if ( ! defined( 'ABSPATH' ) ) {
 }
 
 define( 'WOO_VIET_DIR', plugin_dir_path( __FILE__ ) );
-// define( 'WOO_VIET_URL', plugins_url( '/', __FILE__ ) );
+define( 'WOO_VIET_URL', plugins_url( '/', __FILE__ ) );
 
 /**
  * Start the instance
@@ -40,7 +40,7 @@ class WooViet {
 			array(
 				'enabled' => 'yes',
 			),
-		'add_city'           =>
+		'add_city'               =>
 			array(
 				'enabled' => 'yes',
 			),
@@ -60,6 +60,10 @@ class WooViet {
 				'currency' => 'USD',
 				'rate'     => '22770',
 			),
+		'add_onepay_domestic'    =>
+			array(
+				'enabled' => 'yes',
+			),
 	);
 	/**
 	 * The properties to manage all classes under the "inc/" folder
@@ -133,6 +137,26 @@ class WooViet {
 
 		$settings = self::get_settings();
 
+		// Check if "Add the OnePay Domestic Gateway" is enabled
+		if ( 'yes' == $settings['add_onepay_domestic']['enabled']
+		     AND 'VND' == get_woocommerce_currency()
+		) {
+			include( 'inc/class-wooviet-onepay-domestic.php' );
+
+			add_filter( 'woocommerce_payment_gateways', array( $this, 'add_gateway_class' ) );
+
+			// Add the action to check the cron job for handling queryDR
+			// It's not possible to add in the class "WooViet_OnePay_Domestic_Hook" because it's NOT always loadded
+			if ( defined( 'DOING_CRON' ) and DOING_CRON ) {
+				$this->WooViet_OnePay_Domestic_Hook = new WooViet_OnePay_Domestic();
+				add_action( 'wooviet_handle_onepay_querydr', array(
+					$this->WooViet_OnePay_Domestic_Hook,
+					'handle_onepay_querydr'
+				), 10, 1 );
+			}
+
+		}
+
 		// Check if "Add provinces for Vietnam	" is enabled.
 		if ( 'yes' == $settings['add_province']['enabled'] ) {
 			include( WOO_VIET_DIR . 'inc/class-wooviet-provinces.php' );
@@ -177,7 +201,23 @@ class WooViet {
 	static function get_settings() {
 		$settings = get_option( 'woo-viet', self::$default_settings );
 		$settings = wp_parse_args( $settings, self::$default_settings );
+
 		return $settings;
 	}
 
+	/**
+	 * Add the gateways to WooCommerce
+	 *
+	 * @param array $methods
+	 *
+	 * @since 1.3
+	 * @return array
+	 */
+	public function add_gateway_class( $methods ) {
+		$methods[] = 'WooViet_OnePay_Domestic';
+
+		return $methods;
+
+	}
+
 }