/**
* Return an instance of this class.
*
* @return object A single instance of this class.
*/
public static function get_instance()
{
// If the single instance hasn't been set, set it now.
if (null == self::$instance) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Constructor for the gateway.
*
* @return void
*/
public function __construct()
{
// Standards.
$this->id = 'mercadopago';
$this->icon = apply_filters('woocommerce_mercadopago_icon', plugins_url('images/mercadopago.png', plugin_dir_path(__FILE__)));
$this->has_fields = false;
$this->method_title = __('MercadoPago', 'woocommerce-mercadopago');
// API URLs.
$this->payment_url = 'https://api.mercadolibre.com/checkout/preferences?access_token=';
$this->ipn_url = 'https://api.mercadolibre.com/collections/notifications/';
$this->sandbox_ipn_url = 'https://api.mercadolibre.com/sandbox/collections/notifications/';
$this->oauth_token = 'https://api.mercadolibre.com/oauth/token';
// Load the form fields.
$this->init_form_fields();
// Load the settings.
$this->init_settings();
// Define user set variables.
$this->title = $this->get_option('title');
$this->description = $this->get_option('description');
$this->client_id = $this->get_option('client_id');
$this->client_secret = $this->get_option('client_secret');
$this->invoice_prefix = $this->get_option('invoice_prefix', 'WC-');
$this->method = $this->get_option('method', 'modal');
$this->sandbox = $this->get_option('sandbox', false);
$this->debug = $this->get_option('debug');
// Actions.
add_action('woocommerce_api_wc_mercadopago_gateway', array($this, 'check_ipn_response'));
add_action('valid_mercadopago_ipn_request', array($this, 'successful_request'));
add_action('woocommerce_receipt_' . $this->id, array($this, 'receipt_page'));
add_action('wp_head', array($this, 'css'));
add_action('woocommerce_update_options_payment_gateways_' . $this->id, array($this, 'process_admin_options'));
// Checks if client_id is not empty.
if (empty($this->client_id)) {
add_action('admin_notices', array($this, 'client_id_missing_message'));
}
// Checks if client_secret is not empty.
if (empty($this->client_secret)) {
add_action('admin_notices', array($this, 'client_secret_missing_message'));
}
// Checks that the currency is supported
if (!$this->using_supported_currency()) {
add_action('admin_notices', array($this, 'currency_not_supported_message'));
}
// Active logs.
if ('yes' == $this->debug) {
if (class_exists('WC_Logger')) {
$this->log = new WC_Logger();
} else {
$this->log = WC_MercadoPago::woocommerce_instance()->logger();
}
}
}