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