OpenCart 🇺🇦

$this->language->load('sale/contact');

$json = array();

if ($this->request->server['REQUEST_METHOD'] == 'POST') {
	if (!$this->user->hasPermission('modify', 'sale/contact')) {
		$json['error']['warning'] = $this->language->get('error_permission');
	}

	if (!$this->request->post['subject']) {
		$json['error']['subject'] = $this->language->get('error_subject');
	}

	if (!$this->request->post['message']) {
		$json['error']['message'] = $this->language->get('error_message');
	}

	if (!$json) {
		$this->load->model('setting/store');

		$store_info = $this->model_setting_store->getStore($this->request->post['store_id']);			

		if ($store_info) {
			$store_name = $store_info['name'];
		} else {
			$store_name = $this->config->get('config_name');
		}

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

		$this->load->model('sale/customer_group');

		$this->load->model('sale/affiliate');

		$this->load->model('sale/order');

		if (isset($this->request->get['page'])) {
			$page = $this->request->get['page'];
		} else {
			$page = 1;
		}

		$email_total = 0;

		$emails = array();

		switch ($this->request->post['to']) {
			case 'newsletter':
				$customer_data = array(
					'filter_newsletter' => 1,
					'start'             => ($page - 1) * 10,
					'limit'             => 10
				);

				$email_total = $this->model_sale_customer->getTotalCustomers($customer_data);

				$results = $this->model_sale_customer->getCustomers($customer_data);

				foreach ($results as $result) {
					$emails[] = $result['email'];
				}
				break;
			case 'customer_all':
				$customer_data = array(
					'start'  => ($page - 1) * 10,
					'limit'  => 10
				);

				$email_total = $this->model_sale_customer->getTotalCustomers($customer_data);

				$results = $this->model_sale_customer->getCustomers($customer_data);

				foreach ($results as $result) {
					$emails[] = $result['email'];
				}						
				break;
			case 'customer_group':
				$customer_data = array(
					'filter_customer_group_id' => $this->request->post['customer_group_id'],
					'start'                    => ($page - 1) * 10,
					'limit'                    => 10
				);

				$email_total = $this->model_sale_customer->getTotalCustomers($customer_data);

				$results = $this->model_sale_customer->getCustomers($customer_data);

				foreach ($results as $result) {
					$emails[$result['customer_id']] = $result['email'];
				}						
				break;
			case 'customer':
				if (!empty($this->request->post['customer'])) {					
					foreach ($this->request->post['customer'] as $customer_id) {
						$customer_info = $this->model_sale_customer->getCustomer($customer_id);

						if ($customer_info) {
							$emails[] = $customer_info['email'];
						}
					}
				}
				break;	
			case 'affiliate_all':
				$affiliate_data = array(
					'start'  => ($page - 1) * 10,
					'limit'  => 10
				);

				$email_total = $this->model_sale_affiliate->getTotalAffiliates($affiliate_data);		

				$results = $this->model_sale_affiliate->getAffiliates($affiliate_data);

				foreach ($results as $result) {
					$emails[] = $result['email'];
				}						
				break;	
			case 'affiliate':
				if (!empty($this->request->post['affiliate'])) {					
					foreach ($this->request->post['affiliate'] as $affiliate_id) {
						$affiliate_info = $this->model_sale_affiliate->getAffiliate($affiliate_id);

						if ($affiliate_info) {
							$emails[] = $affiliate_info['email'];
						}
					}
				}
				break;											
			case 'product':
				if (isset($this->request->post['product'])) {
					$email_total = $this->model_sale_order->getTotalEmailsByProductsOrdered($this->request->post['product']);	

					$results = $this->model_sale_order->getEmailsByProductsOrdered($this->request->post['product'], ($page - 1) * 10, 10);

					foreach ($results as $result) {
						$emails[] = $result['email'];
					}
				}
				break;												
		}

		if ($emails) {
			$start = ($page - 1) * 10;
			$end = $start + 10;

			if ($end < $email_total) {
				$json['success'] = sprintf($this->language->get('text_sent'), $start, $email_total);
			} else { 
				$json['success'] = $this->language->get('text_success');
			}				

			if ($end < $email_total) {
				$json['next'] = str_replace('&amp;', '&', $this->url->link('sale/contact/send', 'token=' . $this->session->data['token'] . '&page=' . ($page + 1), 'SSL'));
			} else {
				$json['next'] = '';
			}

			$message  = '<html dir="ltr" lang="en">' . "\n";
			$message .= '  <head>' . "\n";
			$message .= '    <title>' . $this->request->post['subject'] . '</title>' . "\n";
			$message .= '    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">' . "\n";
			$message .= '  </head>' . "\n";
			$message .= '  <body>' . html_entity_decode($this->request->post['message'], ENT_QUOTES, 'UTF-8') . '</body>' . "\n";
			$message .= '</html>' . "\n";

			foreach ($emails as $email) {
				$mail = new Mail();	
				$mail->protocol = $this->config->get('config_mail_protocol');
				$mail->parameter = $this->config->get('config_mail_parameter');
				$mail->hostname = $this->config->get('config_smtp_host');
				$mail->username = $this->config->get('config_smtp_username');
				$mail->password = $this->config->get('config_smtp_password');
				$mail->port = $this->config->get('config_smtp_port');
				$mail->timeout = $this->config->get('config_smtp_timeout');				
				$mail->setTo($email);
				$mail->setFrom($this->config->get('config_email'));
				$mail->setSender($store_name);
				$mail->setSubject(html_entity_decode($this->request->post['subject'], ENT_QUOTES, 'UTF-8'));					
				$mail->setHtml($message);
				$mail->send();
			}
		}
	}
}

$this->response->setOutput(json_encode($json));