OpenCart 🇺🇦

$this->language->load('checkout/checkout');

$this->data['text_new_customer'] = $this->language->get('text_new_customer');
$this->data['text_returning_customer'] = $this->language->get('text_returning_customer');
$this->data['text_checkout'] = $this->language->get('text_checkout');
$this->data['text_register'] = $this->language->get('text_register');
$this->data['text_guest'] = $this->language->get('text_guest');
$this->data['text_i_am_returning_customer'] = $this->language->get('text_i_am_returning_customer');
$this->data['text_register_account'] = $this->language->get('text_register_account');
$this->data['text_forgotten'] = $this->language->get('text_forgotten');

$this->data['entry_email'] = $this->language->get('entry_email');
$this->data['entry_password'] = $this->language->get('entry_password');

$this->data['button_continue'] = $this->language->get('button_continue');
$this->data['button_login'] = $this->language->get('button_login');

$this->data['guest_checkout'] = ($this->config->get('config_guest_checkout') && !$this->config->get('config_customer_price') && !$this->cart->hasDownload());

if (isset($this->session->data['account'])) {
	$this->data['account'] = $this->session->data['account'];
} else {
	$this->data['account'] = 'register';
}

$this->data['forgotten'] = $this->url->link('account/forgotten', '', 'SSL');

if (file_exists(DIR_TEMPLATE . $this->config->get('config_template') . '/template/checkout/login.tpl')) {
	$this->template = $this->config->get('config_template') . '/template/checkout/login.tpl';
} else {
	$this->template = 'default/template/checkout/login.tpl';
}
		
$this->response->setOutput($this->render());

$this->language->load('checkout/checkout');

$json = array();

if ($this->customer->isLogged()) {
	$json['redirect'] = $this->url->link('checkout/checkout', '', 'SSL');			
}

if ((!$this->cart->hasProducts() && empty($this->session->data['vouchers'])) || (!$this->cart->hasStock() && !$this->config->get('config_stock_checkout'))) {
	$json['redirect'] = $this->url->link('checkout/cart');
}	

if (!$json) {
	if (!$this->customer->login($this->request->post['email'], $this->request->post['password'])) {
		$json['error']['warning'] = $this->language->get('error_login');
	}

	$this->load->model('account/customer');

	$customer_info = $this->model_account_customer->getCustomerByEmail($this->request->post['email']);
	
	if ($customer_info && !$customer_info['approved']) {
		$json['error']['warning'] = $this->language->get('error_approved');
	}		
}

if (!$json) {
	unset($this->session->data['guest']);
		
	// Default Addresses
	$this->load->model('account/address');
		
	$address_info = $this->model_account_address->getAddress($this->customer->getAddressId());
							
	if ($address_info) {
		if ($this->config->get('config_tax_customer') == 'shipping') {
			$this->session->data['shipping_country_id'] = $address_info['country_id'];
			$this->session->data['shipping_zone_id'] = $address_info['zone_id'];
			$this->session->data['shipping_postcode'] = $address_info['postcode'];	
		}
		
		if ($this->config->get('config_tax_customer') == 'payment') {
			$this->session->data['payment_country_id'] = $address_info['country_id'];
			$this->session->data['payment_zone_id'] = $address_info['zone_id'];
		}
	} else {
		unset($this->session->data['shipping_country_id']);	
		unset($this->session->data['shipping_zone_id']);	
		unset($this->session->data['shipping_postcode']);
		unset($this->session->data['payment_country_id']);	
		unset($this->session->data['payment_zone_id']);	
	}					
		
	$json['redirect'] = $this->url->link('checkout/checkout', '', 'SSL');
}
			
$this->response->setOutput(json_encode($json));