1, 'XOF' => 1, 'EUR' => 650, 'USD' => 550];
/**
* @var string
*/
private $public_key;
/**
* @var string
*/
private $secret_key;
/**
* @var string
*/
private $success_url;
/**
* @var bool
*/
private $autocomplete_orders;
/**
* Constructor for the gateway.
*/
public function __construct()
{
// The global ID for this Payment method
$this->id = self::ID;
// This basically defines your settings which are then loaded with init_settings()
$this->init_form_fields();
// After init_settings() is called, you can get the settings and load them into variables
$this->init_settings();
// Boolean. Can be set to true if you want payment fields to show on the checkout
$this->has_fields = false;
// Image to be displayed to the user
$image_url = $this->get_image_url();
// check if Payxaf icon image exists or not
if (@getimagesize($image_url)) {
//Show an image on the frontend
$this->icon = $image_url;
}
// Payment method name for order details and emails
$this->title = "Payxaf";
// Payment method name for admin pages
$this->method_title = "Payxaf - Payment Gateway for WooCommerce";
// The description for this Payment Gateway, shown on the actual Payment options page on the backend
$this->method_description = __(
"Secured payments made simple - designed exclusively for WooCommerce stores. Accept mtn mobile money, Orange money, credit cards, debit cards, and other popular payment methods. allows customers to conveniently checkout using our secure payment gateway",
self::ID
);
// Define user set variables
$this->order_button_text = $this->get_option('order_button_text');
$this->description = $this->get_option('description');
$this->public_key = $this->get_option('public_key');
$this->secret_key = $this->get_option('secret_key');
$this->success_url = $this->get_option('success_url');
$this->autocomplete_orders = $this->get_option('autocomplete_orders') === 'yes';
// Used to perform plugin information updated by the admin
add_action('woocommerce_update_options_payment_gateways_' . $this->id, [$this, 'process_admin_options']);
}
/**
* Generates a callback url only once
*/
private function generate_success_url()
{
if (!$this->get_option('success_url')) {
$this->update_option(
'success_url',
get_home_url() . '/wp-json/callback/' . md5(uniqid() . mt_rand())
);
}
}
/**
* Image to be displayed to the user
*/
private function get_test_mode(): string
{
$test_mode = $this->get_option('test_mode');
$url = '';
if ($test_mode === 'sand_box')
$url = 'https://app.payxaf.com/sandbox/payment/initiate';
else if ($test_mode === 'live')
$url = 'https://app.payxaf.com/payment/initiate';
return $url;
}
/**
* Image to be displayed to the user
*/
private function get_checkout_theme(): string
{
$checkout_theme = $this->get_option('dark');
$theme = '';
if ($checkout_theme === 'dark')
$theme = 'dark';
else if ($checkout_theme === 'light')
$theme = 'light';
return $theme;
}
/**
* Image to be displayed to the user
*/
private function get_image_url(): string
{
$payment_methods = $this->get_option('payment_methods');
$image = 'payxaf_operators.png';
if ($payment_methods === 'mobile')
$image = 'payxaf_momo_om.png';
else if ($payment_methods === 'credit_card')
$image = 'payxaf_visa_master.png';
return WP_PLUGIN_URL . '/' . plugin_basename(dirname(__FILE__)) . '/images/' . $image;
}
/**
* Initializes gateway settings form
*/
public function init_form_fields()
{
// Generate a callback url
$this->generate_success_url();
$this->form_fields = apply_filters(
'payxaf_form_fields',
[
'enabled' => [
'title' => __('Enable/Disable', self::ID),
'type' => 'checkbox',
'label' => __('Enable Payxaf', self::ID),
'description' => __('Check to enable this plugin', self::ID),
'default' => 'yes',
'desc_tip' => true,
],
'test_mode' => [
'title' => __('Enabled live or test environment', self::ID),
'type' => 'select',
'description' => __('Use this payment gateway in test/sandbox mode, when testing the plugin. The tesing credentials are: Test Mode eMail: test_mode@mail.com Test Mode Verification Code: 222666', self::ID),
'default' => "sandbox",
'options' => [
"sand_box" => __("Sandbox", self::ID),
"live" => __("Live", self::ID),
],
'desc_tip' => true,
],
'checkout_theme' => [
'title' => __('Select the the theme on the checkout of your shop.', self::ID),
'type' => 'select',
'description' => __('Choose either a dark or light theme for the checkout form.', self::ID),
'default' => "sandbox",
'options' => [
"sand_box" => __("Sandbox", self::ID),
"live" => __("Live", self::ID),
],
'desc_tip' => true,
],
'success_url' => [
'title' => __('Callback URL', self::ID),
'type' => 'hidden',
'description' => __('Copy the URL below and paste it in settings of your application in Payxaf
' . $this->get_option('success_url') . '
', self::ID),
],
'description' => [
'title' => __('Description', self::ID),
'type' => 'textarea',
'description' => __('Payment method description, visible by customers on your checkout page', self::ID),
'default' => __('Pay safely using Orange Money, MTN Mobile Money, VISA, MasterCard or Payxaf Wallet', self::ID),
'desc_tip' => true,
],
'public_key' => [
'title' => __('Public key', self::ID),
'type' => 'text',
'description' => __('Copy and paste the public key from your mechant account on Payxaf', self::ID),
'default' => '',
'desc_tip' => true,
],
'secret_key' => [
'title' => __('Secret key', self::ID),
'type' => 'text',
'description' => __('Copy and paste the secret key from your mechant account on Payxaf', self::ID),
'default' => '',
'desc_tip' => true,
],
'payment_methods' => [
'title' => __('Enabled payment methods', self::ID),
'type' => 'select',
'description' => __('This will change operators logos displayed on your checkout page', self::ID),
'default' => "all",
'options' => [
"all" => __("All", self::ID),
"mobile" => "Mobile Money (OM + MoMo)",
"credit_card" => __("Credit Card (VISA + MasterCard)", self::ID),
],
'desc_tip' => true,
],
'order_button_text' => [
'title' => __('Payment button text', self::ID),
'type' => 'text',
'description' => __('Text of the payment button on which customers click to make the payment', self::ID),
'default' => __('Pay with Payxaf', self::ID),
'desc_tip' => true,
],
'currency' => [
'title' => __('Payxaf currency', self::ID),
'type' => 'select',
'description' => __('This is the currency that your customers will see on payment page. If you choose Euro, only card payment will be available on payment page', self::ID),
'default' => "default",
'options' => [
"default" => __("Same as on WooCommerce", self::ID),
"XAF" => "CFA Franc (FCFA)",
"EUR" => __("Euro (€)", self::ID),
"USD" => __("Dollar ($)", self::ID),
],
'desc_tip' => true,
],
'autocomplete_orders' => array(
'title' => __('Autocomplete orders', self::ID),
'label' => __('Autocomplete orders on payment success', self::ID),
'type' => 'checkbox',
'description' => __('If enabled, orders statuses will go directly to complete after successful payment', self::ID),
'default' => 'no',
'desc_tip' => true,
),
]);
}
public function get_public_key(): string
{
return $this->public_key;
}
public function get_secret_key(): string
{
return $this->secret_key;
}
public function get_success_url(): string
{
return $this->success_url;
}
public function get_autocomplete_orders(): bool
{
return $this->autocomplete_orders;
}
/**
* Get order amount and currency for Payxaf
* @throws Exception
*/
private function get_order_amount_currency(WC_Order $order): array
{
$woocommerce_currency = get_woocommerce_currency();
// Throws an exception when currency is not defined in PAYXAF_CURRENCIES
if (!isset(self::SUPPORTED_CURRENCIES[$woocommerce_currency]))
throw new Exception("Currency '$woocommerce_currency' is not currently supported. Please, try using one of the following: " . implode(', ', array_keys(self::SUPPORTED_CURRENCIES)));
$currency = $this->get_option('currency');
if (!in_array($currency, self::CURRENCIES))
$currency = $woocommerce_currency;
$amount = $order->get_total();
if ($currency !== $woocommerce_currency)
$amount *= self::SUPPORTED_CURRENCIES[$woocommerce_currency] / self::SUPPORTED_CURRENCIES[$currency];
return compact('amount', 'currency');
}
/**
* Checks if billing country is CM and billing phone is a valid Mobile Money phone
*/
private function is_order_from_cameroon(WC_Order $order): bool
{
return $order->get_billing_country() === 'CM'
&& preg_match(
'/^((\+|00)?237)?6[5789][0-9]{7}$/',
preg_replace('/[^0-9]/', '', $order->get_billing_phone()) // Ignore non numeric
);
}
/**
* Returns user's locale
*/
private function get_locale(): string
{
return strpos('fr_FR', get_locale()) != false ? 'fr' : 'en';
}
/**
* This function handles the processing of the order, telling WooCommerce
* what status the order should have and where customers go after it’s used.
*/
public function process_payment($order_id)
{
global $woocommerce;
$order = new WC_Order( $order_id );
// Mark as on-hold (we're awaiting the cheque)
$order->update_status('on-hold', __( 'Awaiting cheque payment', 'woocommerce' ));
//$order = wc_get_order($order_id);
/* try {
$order_desc = implode(
', ',
array_map(
function (WC_Order_Item $item) {
return $item->get_name();
},
$order->get_items()
)
); */
$amount_currency = $this->get_order_amount_currency($order);
$body = [
"transaction_amount" => $amount_currency['amount'],
"transaction_currency" => $amount_currency['currency'],
"transaction_reason" => substr($order_desc, 0, 255), // Get first 255 chars
"app_transaction_ref" => $order->get_order_key(),
"customer_name" => $order->get_formatted_billing_full_name(),
"customer_email" => $order->get_billing_email(),
"customer_lang" => $this->get_locale()
];
if ($this->is_order_from_cameroon($order))
$body['customer_phone_number'] = preg_replace('/[^0-9]/', '', $order->get_billing_phone()); // Ignore non numeric
$mode = get_test_mode(); //<------------ Change to TEST for test server, PROD for production-->
/* $parameters = [
'identifier' => $identifier,
'currency' => $currency,
'amount' => $amount,
'details' => $details,
'ipn_url' => $ipn_url,
'cancel_url' => $cancel_url,
'success_url' => $success_url,
'payxaf_public_key' => $payxaf_public_key,
'site_logo' => $site_logo,
'checkout_theme' => $checkout_theme,
'customer_name' => $customer_name,
'customer_email' => $customer_email,
];
*/
$url = get_test_mode();
// Get payment link from Payxaf
$result = wp_remote_post($url, array(
/* str_replace('{public_key}', $this->public_key, self::API_URL),
["body" => $body, "sslverify" => false] */ //byme
// Passing variables from form page
$identifier = uniqid(),
$payxaf_public_key = "get_public_key()",
$site_logo= "https://app.payxaf.com/assets/images/logoIcon/logo.png",
$checkout_theme = "get_checkout_theme()",
$currency = $this->get_option('currency'),
$amount = $this->get_option('amount'),
$details = "testing",
$ipn_url = "www.one.com",
$cancel_url = "www.two.com",
$success_url = "www.three.com",
$customer_name = $order->get_formatted_billing_full_name(),
$customer_email = $order->get_billing_email(),
));
if(!is_wp_error($result))
{
$response_body = wp_remote_retrieve_body($result);
$resp_array = json_decode($response_body);
if(isset($resp_array->status))
return $resp_array->status;
if(!isset($resp_array->status) && isset($resp_array->message))
return; //wc_add_notice( $resp_array->message, 'error' ); by me
}
else
wc_add_notice( 'Failed to initiate transaction please try again later', 'error' );
}
/*
$ch = curl_init();
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POSTFIELDS, $parameters);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$result = curl_exec($ch);
curl_close($ch); */
//$result contains the response back.
//echo $result;
/*$_SESSION['result'] = $result;
$data = json_decode($result, false);
$success = $data->success;
$_SESSION['success'] = $success;
$_SESSION['details'] = $details;
$_SESSION['identifier'] = $identifier;
$_SESSION['currency'] = $currency;
$_SESSION['amount'] = $amount; */
//echo $success;
//echo $details;
// $data = json_decode( $resul, false);
// $success = $data->success;
// header("Location: $data->url");
// echo $result;
// Get raw response
/// $raw_response = wp_remote_retrieve_body($result);
// Parse response
/* $response = json_decode($raw_response, true);
if (!(isset($response["success"]) && $response["success"] === "ok")) {
throw new Exception($response["message"] ?? "An error has occurred. Please try again later");
} else { /*
$order->set_transaction_id($response['message']);
$order->add_order_note('Payxaf payment initiated with reference: ' . $response['message']);
// Clear cart
WC()->cart->empty_cart();
return [
'result' => 'success',
'redirect' => $response['payment_url']
]; */
} /* catch (Exception $ex) {
$order->add_order_note("Payxaf payment init failed with message: " . $ex->getMessage());
wc_add_notice(__('Payment error : ', 'woothemes') . $ex->getMessage(), 'error');
if (isset($result)) {
payxaf_log_data('Request <-----');
payxaf_log_data($result);
}
if (isset($raw_response)) {
payxaf_log_data('Raw response <-----');
payxaf_log_data($raw_response);
}
if (isset($response)) {
payxaf_log_data('Response <-----');
payxaf_log_data($response);
}
return;
} */
}
// }
/* ============================================ INCLUDE OTHER FILE =========================================== */
// including the callback
include 'include/payxaf_callback.php';
// including the order_key in wc admin order list
include 'include/payxaf_hooks.php';
/*=========================================================================================================== */
//}
add_action('plugins_loaded', 'payxaf_gateway_init', 0);
Computer Networking – OCASET – Online Centre for Art Sciences Engineering and Technology
The Ministry of Employment and Vocational Training (MINEFOP) offers a wide range of vocational training courses catering to the need of different sectors of the economy and Labour market. This course is developed on the MINEFOP curriculum for the Computer Networking Technician trade. A computer networking technician, sometimes simply called a network technician, monitors the day-to-day operations of an organization’s computer network. Nowadays, computer networks are essential to almost all businesses, thus networking technicians can find employment possibilities across all industries.
This course offers students the opportunity to acquire skills and knowledge in computer networking, applications and support. Students are introduced from an entry-level knowledge of computer networks to advanced concepts related to Ethernet networks; local area networks; campus, wide area network; bridges, routers and gateways; network naming and addressing; router configuration; TCP/IP networks; routing protocols; network security; wireless networking; optical networks; voice over IP; network servers; and Linux networking.
At the end of this course, students should be able to design, implement, maintain and troubleshoot a typical computer network .A career as a networking technician can be started in less than a year thanks to this practical and intense course. Your position can involve network or systems administration, information systems, or support and service for IT infrastructure
CERTIFICATION
The Student will be tested for his skill, knowledge and attitude during the period of course and at the end of the training programme as notified by MINEFOP.
National Diploma in Computer Network issued by the Ministry of Employment and Vocational Training.
PREREQUISITE
Minimum, GCE A- Level
DURATION
Ten (10) months, including internship
LEARNING OUTCOMES
Over 37 lectures and 55.5 hours of content!
Design, Installation, administering and maintaining Wide and Local Area Networks
Install and maintain network wiring.
Different terminologies used in the field of Computer Networking
Various Network Topologies – Ring Mesh Star Bus Hybrid
OSI versus TCP/IP model- layered Architectures
Best suitable for beginners to advanced level users and who learn faster when demonstrated.
Network Security
Practical assignments at the end of every session.
Practical learning experience with live project work and examples.
Wireless links and network characteristics, CDMA, 802.11 wireless LANs, Cellular Internet access, Mobility management (addressing, routing to a Mobile node), Mobile IP, GSM.
