CRM/Core/JobManager.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 4.6                                                |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2014                                |
   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) 2004-2014
  34  * $Id$
  35  *
  36  */
  37 class CRM_Core_JobManager {
  38
  39   /**
  40    * @var array ($id => CRM_Core_ScheduledJob)
  41    */
  42   var $jobs = NULL;
  43
  44   /**
  45    * @var CRM_Core_ScheduledJob
  46    */
  47   var $currentJob = NULL;
  48
  49   var $singleRunParams = array();
  50
  51   var $_source = NULL;
  52
  53
  54   /*
  55    * Class constructor
  56    *
  57    * @param void
  58    */
  59   /**
  60    */
  61   public function __construct() {
  62     $config = CRM_Core_Config::singleton();
  63     $config->fatalErrorHandler = 'CRM_Core_JobManager_scheduledJobFatalErrorHandler';
  64
  65     $this->jobs = $this->_getJobs();
  66   }
  67
  68   /*
  69    *
  70    * @param void
  71    */
  72   /**
  73    * @param bool $auth
  74    */
  75   public function execute($auth = TRUE) {
  76
  77     $this->logEntry('Starting scheduled jobs execution');
  78
  79     if ($auth && !CRM_Utils_System::authenticateKey(TRUE)) {
  80       $this->logEntry('Could not authenticate the site key.');
  81     }
  82     require_once 'api/api.php';
  83
  84     // it's not asynchronous at this stage
  85     CRM_Utils_Hook::cron($this);
  86     foreach ($this->jobs as $job) {
  87       if ($job->is_active) {
  88         if ($job->needsRunning()) {
  89           $this->executeJob($job);
  90         }
  91       }
  92     }
  93     $this->logEntry('Finishing scheduled jobs execution.');
  94   }
  95
  96   /*
  97    * Class destructor
  98    *
  99    * @param void
 100    */
 101   public function __destruct() {}
 102
 103   /**
 104    * @param $entity
 105    * @param $action
 106    */
 107   public function executeJobByAction($entity, $action) {
 108     $job = $this->_getJob(NULL, $entity, $action);
 109     $this->executeJob($job);
 110   }
 111
 112   /**
 113    * @param int $id
 114    */
 115   public function executeJobById($id) {
 116     $job = $this->_getJob($id);
 117     $this->executeJob($job);
 118   }
 119
 120   /**
 121    * @param CRM_Core_ScheduledJob $job
 122    */
 123   public function executeJob($job) {
 124     $this->currentJob = $job;
 125     $this->logEntry('Starting execution of ' . $job->name);
 126     $job->saveLastRun();
 127
 128     $singleRunParamsKey = strtolower($job->api_entity . '_' . $job->api_action);
 129
 130     if (array_key_exists($singleRunParamsKey, $this->singleRunParams)) {
 131       $params = $this->singleRunParams[$singleRunParamsKey];
 132     }
 133     else {
 134       $params = $job->apiParams;
 135     }
 136
 137     try {
 138       $result = civicrm_api($job->api_entity, $job->api_action, $params);
 139     }
 140     catch(Exception$e) {
 141       $this->logEntry('Error while executing ' . $job->name . ': ' . $e->getMessage());
 142     }
 143     $this->logEntry('Finished execution of ' . $job->name . ' with result: ' . $this->_apiResultToMessage($result));
 144     $this->currentJob = FALSE;
 145   }
 146
 147   /*
 148    * Retrieves the list of jobs from the database,
 149    * populates class param.
 150    *
 151    * @param void
 152    * @return array
 153    *   ($id => CRM_Core_ScheduledJob)
 154    */
 155   /**
 156    * @return array
 157    */
 158   private function _getJobs() {
 159     $jobs = array();
 160     $dao = new CRM_Core_DAO_Job();
 161     $dao->orderBy('name');
 162     $dao->domain_id = CRM_Core_Config::domainID();
 163     $dao->find();
 164     while ($dao->fetch()) {
 165       $temp = array();
 166       CRM_Core_DAO::storeValues($dao, $temp);
 167       $jobs[$dao->id] = new CRM_Core_ScheduledJob($temp);
 168     }
 169     return $jobs;
 170   }
 171
 172   /*
 173    * Retrieves specific job from the database by id
 174    * and creates ScheduledJob object.
 175    *
 176    * @param void
 177    */
 178   /**
 179    * @param int $id
 180    * @param null $entity
 181    * @param null $action
 182    *
 183    * @return CRM_Core_ScheduledJob
 184    * @throws Exception
 185    */
 186   private function _getJob($id = NULL, $entity = NULL, $action = NULL) {
 187     if (is_null($id) && is_null($action)) {
 188       CRM_Core_Error::fatal('You need to provide either id or name to use this method');
 189     }
 190     $dao             = new CRM_Core_DAO_Job();
 191     $dao->id         = $id;
 192     $dao->api_entity = $entity;
 193     $dao->api_action = $action;
 194     $dao->find();
 195     while ($dao->fetch()) {
 196       CRM_Core_DAO::storeValues($dao, $temp);
 197       $job = new CRM_Core_ScheduledJob($temp);
 198     }
 199     return $job;
 200   }
 201
 202   /**
 203    * @param $entity
 204    * @param $job
 205    * @param array $params
 206    * @param null $source
 207    */
 208   public function setSingleRunParams($entity, $job, $params, $source = NULL) {
 209     $this->_source = $source;
 210     $key = strtolower($entity . '_' . $job);
 211     $this->singleRunParams[$key] = $params;
 212     $this->singleRunParams[$key]['version'] = 3;
 213   }
 214
 215   /*
 216    *
 217    * @return array|null collection of permissions, null if none
 218    */
 219   /**
 220    * @param $message
 221    */
 222   public function logEntry($message) {
 223     $domainID = CRM_Core_Config::domainID();
 224     $dao = new CRM_Core_DAO_JobLog();
 225
 226     $dao->domain_id = $domainID;
 227     $dao->description = substr($message, 0, 235);
 228     if (strlen($message) > 235) {
 229       $dao->description .= " (...)";
 230     }
 231     if ($this->currentJob) {
 232       $dao->job_id  = $this->currentJob->id;
 233       $dao->name    = $this->currentJob->name;
 234       $dao->command = ts("Entity:") . " " . $this->currentJob->api_entity . " " . ts("Action:") . " " . $this->currentJob->api_action;
 235       $data         = "";
 236       if (!empty($this->currentJob->parameters)) {
 237         $data .= "\n\nParameters raw (from db settings): \n" . $this->currentJob->parameters;
 238       }
 239       $singleRunParamsKey = strtolower($this->currentJob->api_entity . '_' . $this->currentJob->api_action);
 240       if (array_key_exists($singleRunParamsKey, $this->singleRunParams)) {
 241         $data .= "\n\nParameters raw (" . $this->_source . "): \n" . serialize($this->singleRunParams[$singleRunParamsKey]);
 242         $data .= "\n\nParameters parsed (and passed to API method): \n" . serialize($this->singleRunParams[$singleRunParamsKey]);
 243       }
 244       else {
 245         $data .= "\n\nParameters parsed (and passed to API method): \n" . serialize($this->currentJob->apiParams);
 246       }
 247
 248       $data .= "\n\nFull message: \n" . $message;
 249
 250       $dao->data = $data;
 251     }
 252     $dao->save();
 253   }
 254
 255   /**
 256    * @param $apiResult
 257    *
 258    * @return string
 259    */
 260   private function _apiResultToMessage($apiResult) {
 261     $status = $apiResult['is_error'] ? ts('Failure') : ts('Success');
 262     $msg    = CRM_Utils_Array::value('error_message', $apiResult, 'empty error_message!');
 263     $vals   = CRM_Utils_Array::value('values', $apiResult, 'empty values!');
 264     if (is_array($msg)) {
 265       $msg = serialize($msg);
 266     }
 267     if (is_array($vals)) {
 268       $vals = serialize($vals);
 269     }
 270     $message = $apiResult['is_error'] ? ', Error message: ' . $msg : " (" . $vals . ")";
 271     return $status . $message;
 272   }
 273 }
 274
 275 /**
 276  * @param $message
 277  *
 278  * @throws Exception
 279  */
 280 function CRM_Core_JobManager_scheduledJobFatalErrorHandler($message) {
 281   throw new Exception("{$message['message']}: {$message['code']}");
 282 }