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 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      * Logger used primarily for logging events that are of interest to
  31      * developers.
  32      */
  33     private $logger;
  34
  35     /**
  36      * The product registration repository to be used for db CRUD operations.
  37      */
  38     private $repository;
  39
  40     /**
  41      * Default constructor.
  42      */
  43     public function __construct()
  44     {
  45         $this->logger = new \common\logging\Logger("\services\ProductRegistrationService");
  46         $database = \common\database\Connector::Instance();
  47         $entityManager = $database->entityManager;
  48         $this->repository = $entityManager->getRepository('\entities\ProductRegistration');
  49     }
  50
  51     public function getProductStatus()
  52     {
  53         $this->logger->debug('Getting current product registration status');
  54         $row = $this->repository->findFirst();
  55
  56         // Unboxing these here to avoid PHP 5.4 "Can't use method
  57         // return value in write context" error.
  58         $id = '';
  59         $optOut = '';
  60
  61         if ($row !== null) {
  62             $id = $row->getRegistrationId();
  63             $optOut = $row->getOptOut();
  64         }
  65
  66         if (empty($row)) {
  67             $row = new \entities\ProductRegistration();
  68             $row->setStatusAsString('UNREGISTERED');
  69         } else if ($id !== 'null') {
  70             $row->setStatusAsString('REGISTERED');
  71         } else if (!empty($optOut) && $optOut == true) {
  72             $row->setStatusAsString('OPT_OUT');
  73         }
  74
  75         return $row;
  76     }
  77
  78     public function registerProduct($email)
  79     {
  80         if (!$email || $email == 'false') {
  81             $this->optOutStrategy();
  82             return null;
  83         } else {
  84             return $this->optInStrategy($email);
  85         }
  86     }
  87
  88     private function optInStrategy($email)
  89     {
  90         $this->logger->debug('Attempting to register product with email ' . $email);
  91         $curl = curl_init('https://reg.open-emr.org/api/registration');
  92         curl_setopt($curl, CURLOPT_POST, true);
  93         curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query(array('email' => $email)));
  94         curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
  95         curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
  96         curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2);
  97         $responseBodyRaw = curl_exec($curl);
  98         $responseCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
  99         curl_close($curl);
 100
 101         $this->logger->debug('Raw response from remote server: ' . $responseBodyRaw);
 102         switch ($responseCode) {
 103             case 201:
 104                 $responseBodyParsed = json_decode($responseBodyRaw);
 105
 106                 $entry = new \entities\ProductRegistration();
 107                 $entry->setRegistrationId($responseBodyParsed->productId);
 108                 $entry->setEmail($email);
 109                 $entry->setOptOut(false);
 110
 111                 $newId = $this->repository->save($entry);
 112                 $this->logger->debug('Successfully registered product ' . $newId);
 113
 114                 return $newId;
 115                 break;
 116             case 400:
 117                 throw new \InvalidEmailException($email . ' ' . xl("is not a valid email address"));
 118                 break;
 119             case 409:
 120                 throw new \DuplicateRegistrationException(xl("Already registered"));
 121                 break;
 122             default:
 123                 throw new \GenericProductRegistrationException(xl("Server error: try again later"));
 124         }
 125     }
 126
 127     // void... don't bother checking for success/failure.
 128     private function optOutStrategy()
 129     {
 130         $this->logger->debug('Attempting to opt out of product registration');
 131         $entry = new \entities\ProductRegistration();
 132         $entry->setRegistrationId('null');
 133         $entry->setEmail(null);
 134         $entry->setOptOut(true);
 135
 136         $this->repository->save($entry);
 137     }
 138 }