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 use OpenEMR\Common\Database\Connector;
  25 use OpenEMR\Common\Logging\Logger;
  26 use OpenEMR\Entities\ProductRegistration;
  27
  28 require_once($GLOBALS['fileroot'] . "/interface/main/exceptions/invalid_email_exception.php");
  29 require_once($GLOBALS['fileroot'] . "/interface/product_registration/exceptions/generic_product_registration_exception.php");
  30 require_once($GLOBALS['fileroot'] . "/interface/product_registration/exceptions/duplicate_registration_exception.php");
  31
  32 class ProductRegistrationService
  33 {
  34     /**
  35      * Logger used primarily for logging events that are of interest to
  36      * developers.
  37      */
  38     private $logger;
  39
  40     /**
  41      * The product registration repository to be used for db CRUD operations.
  42      */
  43     private $repository;
  44
  45     /**
  46      * Default constructor.
  47      */
  48     public function __construct()
  49     {
  50         $this->logger = new Logger("\OpenEMR\Services\ProductRegistrationService");
  51         $database = Connector::Instance();
  52         $entityManager = $database->entityManager;
  53         $this->repository = $entityManager->getRepository('\OpenEMR\Entities\ProductRegistration');
  54     }
  55
  56     public function getProductStatus()
  57     {
  58         $this->logger->debug('Getting current product registration status');
  59         $row = $this->repository->findFirst();
  60
  61         // Unboxing these here to avoid PHP 5.4 "Can't use method
  62         // return value in write context" error.
  63         $id = '';
  64         $optOut = '';
  65
  66         if ($row !== null) {
  67             $id = $row->getRegistrationId();
  68             $optOut = $row->getOptOut();
  69         }
  70
  71         if (empty($row)) {
  72             $row = new ProductRegistration();
  73             $row->setStatusAsString('UNREGISTERED');
  74         } else if ($id !== 'null') {
  75             $row->setStatusAsString('REGISTERED');
  76         } else if (!empty($optOut) && $optOut == true) {
  77             $row->setStatusAsString('OPT_OUT');
  78         }
  79
  80         return $row;
  81     }
  82
  83     public function registerProduct($email)
  84     {
  85         if (!$email || $email == 'false') {
  86             $this->optOutStrategy();
  87             return null;
  88         } else {
  89             return $this->optInStrategy($email);
  90         }
  91     }
  92
  93     private function optInStrategy($email)
  94     {
  95         $this->logger->debug('Attempting to register product with email ' . $email);
  96         $curl = curl_init('https://reg.open-emr.org/api/registration');
  97         curl_setopt($curl, CURLOPT_POST, true);
  98         curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query(array('email' => $email)));
  99         curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
 100         curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
 101         curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2);
 102         $responseBodyRaw = curl_exec($curl);
 103         $responseCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
 104         curl_close($curl);
 105
 106         $this->logger->debug('Raw response from remote server: ' . $responseBodyRaw);
 107         switch ($responseCode) {
 108             case 201:
 109                 $responseBodyParsed = json_decode($responseBodyRaw);
 110
 111                 $entry = new ProductRegistration();
 112                 $entry->setRegistrationId($responseBodyParsed->productId);
 113                 $entry->setEmail($email);
 114                 $entry->setOptOut(false);
 115
 116                 $newId = $this->repository->save($entry);
 117                 $this->logger->debug('Successfully registered product ' . $newId);
 118
 119                 return $newId;
 120                 break;
 121             case 400:
 122                 throw new \InvalidEmailException($email . ' ' . xl("is not a valid email address"));
 123                 break;
 124             case 409:
 125                 throw new \DuplicateRegistrationException(xl("Already registered"));
 126                 break;
 127             default:
 128                 throw new \GenericProductRegistrationException(xl("Server error: try again later"));
 129         }
 130     }
 131
 132     // void... don't bother checking for success/failure.
 133     private function optOutStrategy()
 134     {
 135         $this->logger->debug('Attempting to opt out of product registration');
 136         $entry = new ProductRegistration();
 137         $entry->setRegistrationId('null');
 138         $entry->setEmail(null);
 139         $entry->setOptOut(true);
 140
 141         $this->repository->save($entry);
 142     }
 143 }