CRM/Core/JobManager.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 4.7                                                |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2015                                |
   7  +--------------------------------------------------------------------+
   8  | This file is a part of CiviCRM.                                    |
   9  |                                                                    |
  10  | CiviCRM is free software; you can copy, modify, and distribute it  |
  11  | under the terms of the GNU Affero General Public License           |
  12  | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
  13  |                                                                    |
  14  | CiviCRM is distributed in the hope that it will be useful, but     |
  15  | WITHOUT ANY WARRANTY; without even the implied warranty of         |
  16  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
  17  | See the GNU Affero General Public License for more details.        |
  18  |                                                                    |
  19  | You should have received a copy of the GNU Affero General Public   |
  20  | License and the CiviCRM Licensing Exception along                  |
  21  | with this program; if not, contact CiviCRM LLC                     |
  22  | at info[AT]civicrm[DOT]org. If you have questions about the        |
  23  | GNU Affero General Public License or the licensing of CiviCRM,     |
  24  | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
  25  +--------------------------------------------------------------------+
  26  */
  27
  28 /**
  29  * This interface defines methods that need to be implemented
  30  * by every scheduled job (cron task) in CiviCRM.
  31  *
  32  * @package CRM
  33  * @copyright CiviCRM LLC (c) 2004-2015
  34  */
  35 class CRM_Core_JobManager {
  36
  37   /**
  38    * @var array ($id => CRM_Core_ScheduledJob)
  39    */
  40   var $jobs = NULL;
  41
  42   /**
  43    * @var CRM_Core_ScheduledJob
  44    */
  45   var $currentJob = NULL;
  46
  47   var $singleRunParams = array();
  48
  49   var $_source = NULL;
  50
  51
  52   /**
  53    * Class constructor.
  54    */
  55   public function __construct() {
  56     $config = CRM_Core_Config::singleton();
  57     $config->fatalErrorHandler = 'CRM_Core_JobManager_scheduledJobFatalErrorHandler';
  58
  59     $this->jobs = $this->_getJobs();
  60   }
  61
  62   /**
  63    * @param bool $auth
  64    */
  65   public function execute($auth = TRUE) {
  66
  67     $this->logEntry('Starting scheduled jobs execution');
  68
  69     if ($auth && !CRM_Utils_System::authenticateKey(TRUE)) {
  70       $this->logEntry('Could not authenticate the site key.');
  71     }
  72     require_once 'api/api.php';
  73
  74     // it's not asynchronous at this stage
  75     CRM_Utils_Hook::cron($this);
  76     foreach ($this->jobs as $job) {
  77       if ($job->is_active) {
  78         if ($job->needsRunning()) {
  79           $this->executeJob($job);
  80         }
  81       }
  82     }
  83     $this->logEntry('Finishing scheduled jobs execution.');
  84
  85     // Set last cron date for the status check
  86     $statusPref = array(
  87       'name' => 'checkLastCron',
  88       'check_info' => gmdate('U'),
  89     );
  90     CRM_Core_BAO_StatusPreference::create($statusPref);
  91   }
  92
  93   /**
  94    * Class destructor.
  95    */
  96   public function __destruct() {
  97   }
  98
  99   /**
 100    * @param $entity
 101    * @param $action
 102    */
 103   public function executeJobByAction($entity, $action) {
 104     $job = $this->_getJob(NULL, $entity, $action);
 105     $this->executeJob($job);
 106   }
 107
 108   /**
 109    * @param int $id
 110    */
 111   public function executeJobById($id) {
 112     $job = $this->_getJob($id);
 113     $this->executeJob($job);
 114   }
 115
 116   /**
 117    * @param CRM_Core_ScheduledJob $job
 118    */
 119   public function executeJob($job) {
 120     $this->currentJob = $job;
 121     $this->logEntry('Starting execution of ' . $job->name);
 122     $job->saveLastRun();
 123
 124     $singleRunParamsKey = strtolower($job->api_entity . '_' . $job->api_action);
 125
 126     if (array_key_exists($singleRunParamsKey, $this->singleRunParams)) {
 127       $params = $this->singleRunParams[$singleRunParamsKey];
 128     }
 129     else {
 130       $params = $job->apiParams;
 131     }
 132
 133     try {
 134       $result = civicrm_api($job->api_entity, $job->api_action, $params);
 135     }
 136     catch (Exception$e) {
 137       $this->logEntry('Error while executing ' . $job->name . ': ' . $e->getMessage());
 138     }
 139     $this->logEntry('Finished execution of ' . $job->name . ' with result: ' . $this->_apiResultToMessage($result));
 140     $this->currentJob = FALSE;
 141   }
 142
 143   /**
 144    * Retrieves the list of jobs from the database,
 145    * populates class param.
 146    *
 147    * @return array
 148    *   ($id => CRM_Core_ScheduledJob)
 149    */
 150   private function _getJobs() {
 151     $jobs = array();
 152     $dao = new CRM_Core_DAO_Job();
 153     $dao->orderBy('name');
 154     $dao->domain_id = CRM_Core_Config::domainID();
 155     $dao->find();
 156     while ($dao->fetch()) {
 157       $temp = array();
 158       CRM_Core_DAO::storeValues($dao, $temp);
 159       $jobs[$dao->id] = new CRM_Core_ScheduledJob($temp);
 160     }
 161     return $jobs;
 162   }
 163
 164   /**
 165    * Retrieves specific job from the database by id.
 166    * and creates ScheduledJob object.
 167    *
 168    * @param int $id
 169    * @param null $entity
 170    * @param null $action
 171    *
 172    * @return CRM_Core_ScheduledJob
 173    * @throws Exception
 174    */
 175   private function _getJob($id = NULL, $entity = NULL, $action = NULL) {
 176     if (is_null($id) && is_null($action)) {
 177       CRM_Core_Error::fatal('You need to provide either id or name to use this method');
 178     }
 179     $dao = new CRM_Core_DAO_Job();
 180     $dao->id = $id;
 181     $dao->api_entity = $entity;
 182     $dao->api_action = $action;
 183     $dao->find();
 184     while ($dao->fetch()) {
 185       CRM_Core_DAO::storeValues($dao, $temp);
 186       $job = new CRM_Core_ScheduledJob($temp);
 187     }
 188     return $job;
 189   }
 190
 191   /**
 192    * @param $entity
 193    * @param $job
 194    * @param array $params
 195    * @param null $source
 196    */
 197   public function setSingleRunParams($entity, $job, $params, $source = NULL) {
 198     $this->_source = $source;
 199     $key = strtolower($entity . '_' . $job);
 200     $this->singleRunParams[$key] = $params;
 201     $this->singleRunParams[$key]['version'] = 3;
 202   }
 203
 204   /**
 205    * @param string $message
 206    */
 207   public function logEntry($message) {
 208     $domainID = CRM_Core_Config::domainID();
 209     $dao = new CRM_Core_DAO_JobLog();
 210
 211     $dao->domain_id = $domainID;
 212     $dao->description = substr($message, 0, 235);
 213     if (strlen($message) > 235) {
 214       $dao->description .= " (...)";
 215     }
 216     if ($this->currentJob) {
 217       $dao->job_id = $this->currentJob->id;
 218       $dao->name = $this->currentJob->name;
 219       $dao->command = ts("Entity:") . " " . $this->currentJob->api_entity . " " . ts("Action:") . " " . $this->currentJob->api_action;
 220       $data = "";
 221       if (!empty($this->currentJob->parameters)) {
 222         $data .= "\n\nParameters raw (from db settings): \n" . $this->currentJob->parameters;
 223       }
 224       $singleRunParamsKey = strtolower($this->currentJob->api_entity . '_' . $this->currentJob->api_action);
 225       if (array_key_exists($singleRunParamsKey, $this->singleRunParams)) {
 226         $data .= "\n\nParameters raw (" . $this->_source . "): \n" . serialize($this->singleRunParams[$singleRunParamsKey]);
 227         $data .= "\n\nParameters parsed (and passed to API method): \n" . serialize($this->singleRunParams[$singleRunParamsKey]);
 228       }
 229       else {
 230         $data .= "\n\nParameters parsed (and passed to API method): \n" . serialize($this->currentJob->apiParams);
 231       }
 232
 233       $data .= "\n\nFull message: \n" . $message;
 234
 235       $dao->data = $data;
 236     }
 237     $dao->save();
 238   }
 239
 240   /**
 241    * @param $apiResult
 242    *
 243    * @return string
 244    */
 245   private function _apiResultToMessage($apiResult) {
 246     $status = $apiResult['is_error'] ? ts('Failure') : ts('Success');
 247     $msg = CRM_Utils_Array::value('error_message', $apiResult, 'empty error_message!');
 248     $vals = CRM_Utils_Array::value('values', $apiResult, 'empty values!');
 249     if (is_array($msg)) {
 250       $msg = serialize($msg);
 251     }
 252     if (is_array($vals)) {
 253       $vals = serialize($vals);
 254     }
 255     $message = $apiResult['is_error'] ? ', Error message: ' . $msg : " (" . $vals . ")";
 256     return $status . $message;
 257   }
 258
 259 }
 260
 261 /**
 262  * @param $message
 263  *
 264  * @throws Exception
 265  */
 266 function CRM_Core_JobManager_scheduledJobFatalErrorHandler($message) {
 267   throw new Exception("{$message['message']}: {$message['code']}");
 268 }