services/ProductRegistrationService.php

   1 <?php
   2 /**
   3  * ProductRegistrationService
   4  *
   5  * LICENSE: This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License for more details.
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program. If not, see <http://opensource.org/licenses/gpl-license.php>;.
  15  *
  16  * @package OpenEMR
  17  * @author  Matthew Vita <matthewvita48@gmail.com>
  18  * @author  Victor Kofia <victor.kofia@gmail.com>
  19  * @link    http://www.open-emr.org
  20  */
  21
  22 namespace OpenEMR\Services;
  23
  24 require_once($GLOBALS['fileroot'] . "/interface/main/exceptions/invalid_email_exception.php");
  25 require_once($GLOBALS['fileroot'] . "/interface/product_registration/exceptions/generic_product_registration_exception.php");
  26 require_once($GLOBALS['fileroot'] . "/interface/product_registration/exceptions/duplicate_registration_exception.php");
  27
  28 class ProductRegistrationService
  29 {
  30     /**
  31      * Logger used primarily for logging events that are of interest to
  32      * developers.
  33      */
  34     private $logger;
  35
  36     /**
  37      * The product registration repository to be used for db CRUD operations.
  38      */
  39     private $repository;
  40
  41     /**
  42      * Default constructor.
  43      */
  44     public function __construct()
  45     {
  46         $this->logger = new \common\logging\Logger("\OpenEMR\Services\ProductRegistrationService");
  47         $database = \common\database\Connector::Instance();
  48         $entityManager = $database->entityManager;
  49         $this->repository = $entityManager->getRepository('\entities\ProductRegistration');
  50     }
  51
  52     public function getProductStatus()
  53     {
  54         $this->logger->debug('Getting current product registration status');
  55         $row = $this->repository->findFirst();
  56
  57         // Unboxing these here to avoid PHP 5.4 "Can't use method
  58         // return value in write context" error.
  59         $id = '';
  60         $optOut = '';
  61
  62         if ($row !== null) {
  63             $id = $row->getRegistrationId();
  64             $optOut = $row->getOptOut();
  65         }
  66
  67         if (empty($row)) {
  68             $row = new \entities\ProductRegistration();
  69             $row->setStatusAsString('UNREGISTERED');
  70         } else if ($id !== 'null') {
  71             $row->setStatusAsString('REGISTERED');
  72         } else if (!empty($optOut) && $optOut == true) {
  73             $row->setStatusAsString('OPT_OUT');
  74         }
  75
  76         return $row;
  77     }
  78
  79     public function registerProduct($email)
  80     {
  81         if (!$email || $email == 'false') {
  82             $this->optOutStrategy();
  83             return null;
  84         } else {
  85             return $this->optInStrategy($email);
  86         }
  87     }
  88
  89     private function optInStrategy($email)
  90     {
  91         $this->logger->debug('Attempting to register product with email ' . $email);
  92         $curl = curl_init('https://reg.open-emr.org/api/registration');
  93         curl_setopt($curl, CURLOPT_POST, true);
  94         curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query(array('email' => $email)));
  95         curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
  96         curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
  97         curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2);
  98         $responseBodyRaw = curl_exec($curl);
  99         $responseCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
 100         curl_close($curl);
 101
 102         $this->logger->debug('Raw response from remote server: ' . $responseBodyRaw);
 103         switch ($responseCode) {
 104             case 201:
 105                 $responseBodyParsed = json_decode($responseBodyRaw);
 106
 107                 $entry = new \entities\ProductRegistration();
 108                 $entry->setRegistrationId($responseBodyParsed->productId);
 109                 $entry->setEmail($email);
 110                 $entry->setOptOut(false);
 111
 112                 $newId = $this->repository->save($entry);
 113                 $this->logger->debug('Successfully registered product ' . $newId);
 114
 115                 return $newId;
 116                 break;
 117             case 400:
 118                 throw new \InvalidEmailException($email . ' ' . xl("is not a valid email address"));
 119                 break;
 120             case 409:
 121                 throw new \DuplicateRegistrationException(xl("Already registered"));
 122                 break;
 123             default:
 124                 throw new \GenericProductRegistrationException(xl("Server error: try again later"));
 125         }
 126     }
 127
 128     // void... don't bother checking for success/failure.
 129     private function optOutStrategy()
 130     {
 131         $this->logger->debug('Attempting to opt out of product registration');
 132         $entry = new \entities\ProductRegistration();
 133         $entry->setRegistrationId('null');
 134         $entry->setEmail(null);
 135         $entry->setOptOut(true);
 136
 137         $this->repository->save($entry);
 138     }
 139 }