CRM/Financial/BAO/PaymentProcessor.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | Copyright CiviCRM LLC. All rights reserved.                        |
   5  |                                                                    |
   6  | This work is published under the GNU AGPLv3 license with some      |
   7  | permitted exceptions and without any warranty. For full license    |
   8  | and copyright information, see https://civicrm.org/licensing       |
   9  +--------------------------------------------------------------------+
  10  */
  11
  12 /**
  13  *
  14  * @package CRM
  15  * @copyright CiviCRM LLC https://civicrm.org/licensing
  16  */
  17
  18 /**
  19  * This class contains payment processor related functions.
  20  */
  21 class CRM_Financial_BAO_PaymentProcessor extends CRM_Financial_DAO_PaymentProcessor {
  22   /**
  23    * Static holder for the default payment processor
  24    * @var object
  25    */
  26   public static $_defaultPaymentProcessor = NULL;
  27
  28   /**
  29    * Create Payment Processor.
  30    *
  31    * @param array $params
  32    *   Parameters for Processor entity.
  33    *
  34    * @return CRM_Financial_DAO_PaymentProcessor
  35    *
  36    * @throws \CRM_Core_Exception
  37    * @throws \CiviCRM_API3_Exception
  38    */
  39   public static function create(array $params): CRM_Financial_DAO_PaymentProcessor {
  40     // If we are creating a new PaymentProcessor and have not specified the payment instrument to use, get the default from the Payment Processor Type.
  41     if (empty($params['id']) && empty($params['payment_instrument_id'])) {
  42       $params['payment_instrument_id'] = civicrm_api3('PaymentProcessorType', 'getvalue', [
  43         'id' => $params['payment_processor_type_id'],
  44         'return' => 'payment_instrument_id',
  45       ]);
  46     }
  47     $processor = new CRM_Financial_DAO_PaymentProcessor();
  48     $processor->copyValues($params);
  49
  50     if (empty($params['id'])) {
  51       $ppTypeDAO = new CRM_Financial_DAO_PaymentProcessorType();
  52       $ppTypeDAO->id = $params['payment_processor_type_id'];
  53       if (!$ppTypeDAO->find(TRUE)) {
  54         throw new CRM_Core_Exception(ts('Could not find payment processor meta information'));
  55       }
  56
  57       // also copy meta fields from the info DAO
  58       $processor->is_recur = $ppTypeDAO->is_recur;
  59       $processor->billing_mode = $ppTypeDAO->billing_mode;
  60       $processor->class_name = $ppTypeDAO->class_name;
  61       $processor->payment_type = $ppTypeDAO->payment_type;
  62     }
  63
  64     $processor->save();
  65     // CRM-11826, add entry in civicrm_entity_financial_account
  66     // if financial_account_id is not NULL
  67     if (!empty($params['financial_account_id'])) {
  68       $relationTypeId = key(CRM_Core_PseudoConstant::accountOptionValues('account_relationship', NULL, " AND v.name LIKE 'Asset Account is' "));
  69       $values = [
  70         'entity_table' => 'civicrm_payment_processor',
  71         'entity_id' => $processor->id,
  72         'account_relationship' => $relationTypeId,
  73         'financial_account_id' => $params['financial_account_id'],
  74       ];
  75       CRM_Financial_BAO_FinancialTypeAccount::add($values);
  76     }
  77
  78     if (isset($params['id']) && isset($params['is_active']) && !isset($params['is_test'])) {
  79       // check if is_active has changed & if so update test instance is_active too.
  80       $test_id = self::getTestProcessorId($params['id']);
  81       $testDAO = new CRM_Financial_DAO_PaymentProcessor();
  82       $testDAO->id = $test_id;
  83       if ($testDAO->find(TRUE)) {
  84         $testDAO->is_active = $params['is_active'];
  85         $testDAO->save();
  86       }
  87     }
  88
  89     Civi\Payment\System::singleton()->flushProcessors();
  90     return $processor;
  91   }
  92
  93   /**
  94    * Retrieve array of allowed credit cards for this payment processor.
  95    * @param integer|null $paymentProcessorID id of processor.
  96    * @return array
  97    */
  98   public static function getCreditCards($paymentProcessorID = NULL) {
  99     if (!empty($paymentProcessorID)) {
 100       $processor = new CRM_Financial_DAO_PaymentProcessor();
 101       $processor->id = $paymentProcessorID;
 102       $processor->find(TRUE);
 103       $cards = json_decode($processor->accepted_credit_cards, TRUE);
 104       return $cards;
 105     }
 106     return [];
 107   }
 108
 109   /**
 110    * Get options for a given contribution field.
 111    *
 112    * @param string $fieldName
 113    * @param string $context see CRM_Core_DAO::buildOptionsContext.
 114    * @param array $props whatever is known about this dao object.
 115    *
 116    * @return array|bool
 117    * @see CRM_Core_DAO::buildOptions
 118    *
 119    */
 120   public static function buildOptions($fieldName, $context = NULL, $props = []) {
 121     $params = [];
 122     if ($fieldName === 'financial_account_id') {
 123       // Pseudo-field - let's help out.
 124       return CRM_Core_BAO_FinancialTrxn::buildOptions('to_financial_account_id', $context, $props);
 125     }
 126     return CRM_Core_PseudoConstant::get(__CLASS__, $fieldName, $params, $context);
 127   }
 128
 129   /**
 130    * Retrieve DB object based on input parameters.
 131    *
 132    * It also stores all the retrieved values in the default array.
 133    *
 134    * @param array $params
 135    *   (reference ) an assoc array of name/value pairs.
 136    * @param array $defaults
 137    *   (reference ) an assoc array to hold the flattened values.
 138    *
 139    * @return CRM_Financial_DAO_PaymentProcessor|null
 140    *   object on success, null otherwise
 141    */
 142   public static function retrieve(&$params, &$defaults) {
 143     $paymentProcessor = new CRM_Financial_DAO_PaymentProcessor();
 144     $paymentProcessor->copyValues($params);
 145     if ($paymentProcessor->find(TRUE)) {
 146       CRM_Core_DAO::storeValues($paymentProcessor, $defaults);
 147       return $paymentProcessor;
 148     }
 149     return NULL;
 150   }
 151
 152   /**
 153    * Update the is_active flag in the db.
 154    *
 155    * @param int $id
 156    *   Id of the database record.
 157    * @param bool $is_active
 158    *   Value we want to set the is_active field.
 159    *
 160    * @return bool
 161    *   true if we found and updated the object, else false
 162    */
 163   public static function setIsActive($id, $is_active) {
 164     return CRM_Core_DAO::setFieldValue('CRM_Financial_DAO_PaymentProcessor', $id, 'is_active', $is_active);
 165   }
 166
 167   /**
 168    * Retrieve the default payment processor.
 169    *
 170    * @return CRM_Financial_DAO_PaymentProcessor|null
 171    *   The default payment processor object on success,
 172    *   null otherwise
 173    */
 174   public static function &getDefault() {
 175     if (self::$_defaultPaymentProcessor == NULL) {
 176       $params = ['is_default' => 1];
 177       $defaults = [];
 178       self::$_defaultPaymentProcessor = self::retrieve($params, $defaults);
 179     }
 180     return self::$_defaultPaymentProcessor;
 181   }
 182
 183   /**
 184    * Delete payment processor.
 185    *
 186    * @param int $paymentProcessorID
 187    *
 188    * @return null
 189    */
 190   public static function del($paymentProcessorID) {
 191     if (!$paymentProcessorID) {
 192       throw new CRM_Core_Exception(ts('Invalid value passed to delete function.'));
 193     }
 194
 195     $dao = new CRM_Financial_DAO_PaymentProcessor();
 196     $dao->id = $paymentProcessorID;
 197     if (!$dao->find(TRUE)) {
 198       return NULL;
 199     }
 200
 201     $testDAO = new CRM_Financial_DAO_PaymentProcessor();
 202     $testDAO->name = $dao->name;
 203     $testDAO->is_test = 1;
 204     $testDAO->delete();
 205
 206     $dao->delete();
 207     Civi\Payment\System::singleton()->flushProcessors();
 208   }
 209
 210   /**
 211    * Get the payment processor details.
 212    *
 213    * This returns an array whereas Civi\Payment\System::singleton->getByID() returns an object.
 214    * The object is a key in the array.
 215    *
 216    * @param int $paymentProcessorID
 217    *   Payment processor id.
 218    * @param string $mode
 219    *   Payment mode ie test or live.
 220    *
 221    * @return array
 222    *   associated array with payment processor related fields
 223    */
 224   public static function getPayment($paymentProcessorID, $mode = 'based_on_id') {
 225     $capabilities = ($mode === 'test') ? ['TestMode'] : [];
 226     $processors = self::getPaymentProcessors($capabilities, [$paymentProcessorID]);
 227     return $processors[$paymentProcessorID];
 228   }
 229
 230   /**
 231    * Given a live processor ID get the test id.
 232    *
 233    * @param int $id
 234    *
 235    * @return int
 236    *   Test payment processor ID.
 237    */
 238   public static function getTestProcessorId($id) {
 239     $liveProcessorName = civicrm_api3('payment_processor', 'getvalue', [
 240       'id' => $id,
 241       'return' => 'name',
 242     ]);
 243     return civicrm_api3('payment_processor', 'getvalue', [
 244       'return' => 'id',
 245       'name' => $liveProcessorName,
 246       'is_test' => 1,
 247       'domain_id' => CRM_Core_Config::domainID(),
 248     ]);
 249   }
 250
 251   /**
 252    * Compare 2 payment processors to see which should go first based on is_default
 253    * (sort function for sortDefaultFirst)
 254    * @param array $processor1
 255    * @param array $processor2
 256    *
 257    * @return int
 258    */
 259   public static function defaultComparison($processor1, $processor2) {
 260     $p1 = $processor1['is_default'] ?? NULL;
 261     $p2 = $processor2['is_default'] ?? NULL;
 262     if ($p1 == $p2) {
 263       return 0;
 264     }
 265     return ($p1 > $p2) ? -1 : 1;
 266   }
 267
 268   /**
 269    * Get all payment processors as an array of objects.
 270    *
 271    * @param string|NULL $mode
 272    * only return this mode - test|live or NULL for all
 273    * @param bool $reset
 274    * @param bool $isCurrentDomainOnly
 275    *   Do we only want to load payment processors associated with the current domain.
 276    * @param bool|NULL $isActive
 277    *   Do we only want active processors, only inactive (FALSE) or all processors (NULL)
 278    *
 279    * @throws CiviCRM_API3_Exception
 280    * @return array
 281    */
 282   public static function getAllPaymentProcessors($mode = 'all', $reset = FALSE, $isCurrentDomainOnly = TRUE, $isActive = TRUE) {
 283
 284     $cacheKey = 'CRM_Financial_BAO_Payment_Processor_' . $mode . '_' . $isCurrentDomainOnly . '_' . CRM_Core_Config::domainID();
 285     if (!$reset) {
 286       $processors = CRM_Utils_Cache::singleton()->get($cacheKey);
 287       if (!empty($processors)) {
 288         return $processors;
 289       }
 290     }
 291
 292     $retrievalParameters = [
 293       'options' => ['sort' => 'is_default DESC, name', 'limit' => 0],
 294       'api.payment_processor_type.getsingle' => 1,
 295     ];
 296     if (isset($isActive)) {
 297       // We use isset because we don't want to set the is_active parameter at all is $isActive is NULL
 298       $retrievalParameters['is_active'] = $isActive;
 299     }
 300     if ($isCurrentDomainOnly) {
 301       $retrievalParameters['domain_id'] = CRM_Core_Config::domainID();
 302     }
 303     if ($mode === 'test') {
 304       $retrievalParameters['is_test'] = 1;
 305     }
 306     elseif ($mode === 'live') {
 307       $retrievalParameters['is_test'] = 0;
 308     }
 309
 310     $processors = civicrm_api3('payment_processor', 'get', $retrievalParameters);
 311     foreach ($processors['values'] as $processor) {
 312       $fieldsToProvide = [
 313         'id',
 314         'name',
 315         'payment_processor_type_id',
 316         'user_name',
 317         'password',
 318         'signature',
 319         'url_site',
 320         'url_api',
 321         'url_recur',
 322         'url_button',
 323         'subject',
 324         'class_name',
 325         'is_recur',
 326         'billing_mode',
 327         'is_test',
 328         'payment_type',
 329         'is_default',
 330       ];
 331       foreach ($fieldsToProvide as $field) {
 332         // Prevent e-notices in processor classes when not configured.
 333         if (!isset($processor[$field])) {
 334           $processors['values'][$processor['id']][$field] = NULL;
 335         }
 336       }
 337       $processors['values'][$processor['id']]['payment_processor_type'] = $processor['payment_processor_type'] = $processors['values'][$processor['id']]['api.payment_processor_type.getsingle']['name'];
 338       $processors['values'][$processor['id']]['object'] = Civi\Payment\System::singleton()->getByProcessor($processors['values'][$processor['id']]);
 339     }
 340
 341     // Add the pay-later pseudo-processor.
 342     $processors['values'][0] = [
 343       'object' => new CRM_Core_Payment_Manual(),
 344       'id' => 0,
 345       'payment_processor_type_id' => 0,
 346       // This shouldn't be required but there are still some processors hacked into core with nasty 'if's.
 347       'payment_processor_type' => 'Manual',
 348       'class_name' => 'Payment_Manual',
 349       'name' => 'pay_later',
 350       'billing_mode' => '',
 351       'is_default' => 0,
 352       'payment_instrument_id' => key(CRM_Core_OptionGroup::values('payment_instrument', FALSE, FALSE, FALSE, 'AND is_default = 1')),
 353       // Making this optionally recur would give lots of options -but it should
 354       // be a row in the payment processor table before we do that.
 355       'is_recur' => FALSE,
 356       'is_test' => FALSE,
 357     ];
 358
 359     CRM_Utils_Cache::singleton()->set($cacheKey, $processors['values']);
 360
 361     return $processors['values'];
 362   }
 363
 364   /**
 365    * Get Payment processors with specified capabilities.
 366    * Note that both the singleton & the pseudoconstant function have caching so we don't add
 367    * arguably this could go on the pseudoconstant class
 368    *
 369    * @param array $capabilities
 370    *   capabilities of processor e.g
 371    *   - BackOffice
 372    *   - TestMode
 373    *   - LiveMode
 374    *   - FutureStartDate
 375    *
 376    * @param array|bool $ids
 377    *
 378    * @return array
 379    *   available processors
 380    *
 381    * @throws \CiviCRM_API3_Exception
 382    */
 383   public static function getPaymentProcessors($capabilities = [], $ids = FALSE) {
 384     if (is_array($ids)) {
 385       if (in_array('TestMode', $capabilities, TRUE)) {
 386         $testProcessors = in_array('TestMode', $capabilities) ? self::getAllPaymentProcessors('test') : [];
 387         $allProcessors = self::getAllPaymentProcessors('all', FALSE, FALSE, NULL);
 388         $possibleLiveIDs = array_diff($ids, array_keys($testProcessors));
 389         foreach ($possibleLiveIDs as $possibleLiveID) {
 390           if (isset($allProcessors[$possibleLiveID]) && ($liveProcessorName = $allProcessors[$possibleLiveID]['name']) != FALSE) {
 391             foreach ($testProcessors as $index => $testProcessor) {
 392               if ($testProcessor['name'] === $liveProcessorName) {
 393                 $ids[] = $testProcessor['id'];
 394               }
 395             }
 396           }
 397         }
 398         $processors = $testProcessors;
 399       }
 400       else {
 401         $processors = self::getAllPaymentProcessors('all', FALSE, FALSE);
 402       }
 403     }
 404     else {
 405       $processors = self::getAllPaymentProcessors('all');
 406     }
 407
 408     foreach ($processors as $index => $processor) {
 409       if (is_array($ids) && !in_array($processor['id'], $ids)) {
 410         unset($processors[$index]);
 411         continue;
 412       }
 413       // Invalid processors will store a null value in 'object' (e.g. if not all required config fields are present).
 414       // This is determined by calling when loading the processor via the $processorObject->checkConfig() function.
 415       if (!$processor['object'] instanceof CRM_Core_Payment) {
 416         unset($processors[$index]);
 417         continue;
 418       }
 419       foreach ($capabilities as $capability) {
 420         if (($processor['object']->supports($capability)) == FALSE) {
 421           unset($processors[$index]);
 422           continue 1;
 423         }
 424       }
 425     }
 426
 427     return $processors;
 428   }
 429
 430   /**
 431    * Is there a processor on this site with the specified capability.
 432    *
 433    * The capabilities are defined on CRM_Core_Payment and can be extended by
 434    * processors.
 435    *
 436    * examples are
 437    *  - supportsBackOffice
 438    *  - supportsLiveMode
 439    *  - supportsFutureRecurDate
 440    *  - supportsRecurring
 441    *  - supportsCancelRecurring
 442    *  - supportsRecurContributionsForPledges
 443    *
 444    * They are passed as array('BackOffice');
 445    *
 446    * Details of specific functions are in the docblocks on the CRM_Core_Payment class.
 447    *
 448    * @param array $capabilities
 449    *
 450    * @return bool
 451    */
 452   public static function hasPaymentProcessorSupporting($capabilities = []) {
 453     $capabilitiesString = implode('', $capabilities);
 454     if (!isset(\Civi::$statics[__CLASS__]['supported_capabilities'][$capabilitiesString])) {
 455       $result = self::getPaymentProcessors($capabilities);
 456       \Civi::$statics[__CLASS__]['supported_capabilities'][$capabilitiesString] = (!empty($result) && array_keys($result) !== [0]);
 457     }
 458     return \Civi::$statics[__CLASS__]['supported_capabilities'][$capabilitiesString];
 459   }
 460
 461   /**
 462    * Retrieve payment processor id / info/ object based on component-id.
 463    *
 464    * @todo function needs revisiting. The whole 'info / obj' thing is an overload. Recommend creating new functions
 465    * that are entity specific as there is little shared code specific to obj or info
 466    *
 467    * Also, it does not accurately derive the processor - for a completed contribution the best place to look is in the
 468    * relevant financial_trxn record. For a recurring contribution it is in the contribution_recur table.
 469    *
 470    * For a membership the relevant contribution_recur should be derived & then resolved as above. The contribution page
 471    * is never a reliable place to look as there can be more than one configured. For a pending contribution there is
 472    * no way to derive the processor - but hey - what processor? it didn't go through!
 473    *
 474    * Query for membership might look something like:
 475    * SELECT fte.payment_processor_id
 476    * FROM civicrm_membership mem
 477    * INNER JOIN civicrm_line_item li  ON ( mem.id = li.entity_id AND li.entity_table = 'civicrm_membership')
 478    * INNER JOIN civicrm_contribution       con ON ( li.contribution_id = con.id )
 479    * LEFT JOIN civicrm_entity_financial_trxn ft ON ft.entity_id = con.id AND ft.entity_table =
 480    * 'civicrm_contribution'
 481    * LEFT JOIN civicrm_financial_trxn fte ON fte.id = ft.financial_trxn_id
 482    *
 483    * @param int $entityID
 484    * @param string $component
 485    *   Component.
 486    * @param string $type
 487    *   Type of payment information to be retrieved.
 488    *
 489    * @return int|array|object
 490    */
 491   public static function getProcessorForEntity($entityID, $component = 'contribute', $type = 'id') {
 492     $result = NULL;
 493     if (!in_array($component, [
 494       'membership',
 495       'contribute',
 496       'recur',
 497     ])
 498     ) {
 499       return $result;
 500     }
 501
 502     if ($component === 'membership') {
 503       $sql = "
 504     SELECT cr.payment_processor_id as ppID1, cp.payment_processor as ppID2, con.is_test
 505       FROM civicrm_membership mem
 506 INNER JOIN civicrm_membership_payment mp  ON ( mem.id = mp.membership_id )
 507 INNER JOIN civicrm_contribution       con ON ( mp.contribution_id = con.id )
 508  LEFT JOIN civicrm_contribution_recur cr  ON ( mem.contribution_recur_id = cr.id )
 509  LEFT JOIN civicrm_contribution_page  cp  ON ( con.contribution_page_id  = cp.id )
 510      WHERE mp.membership_id = %1";
 511     }
 512     elseif ($component === 'contribute') {
 513       $sql = "
 514     SELECT cr.payment_processor_id as ppID1, cp.payment_processor as ppID2, con.is_test
 515       FROM civicrm_contribution       con
 516  LEFT JOIN civicrm_contribution_recur cr  ON ( con.contribution_recur_id = cr.id )
 517  LEFT JOIN civicrm_contribution_page  cp  ON ( con.contribution_page_id  = cp.id )
 518      WHERE con.id = %1";
 519     }
 520     elseif ($component === 'recur') {
 521       // @deprecated - use getPaymentProcessorForRecurringContribution.
 522       $sql = "
 523     SELECT cr.payment_processor_id as ppID1, NULL as ppID2, cr.is_test
 524       FROM civicrm_contribution_recur cr
 525      WHERE cr.id = %1";
 526     }
 527
 528     // We are interested in a single record.
 529     $sql .= ' LIMIT 1';
 530
 531     $params = [1 => [$entityID, 'Integer']];
 532     $dao = CRM_Core_DAO::executeQuery($sql, $params);
 533
 534     if (!$dao->fetch()) {
 535
 536       return $result;
 537
 538     }
 539
 540     $ppID = (isset($dao->ppID1) && $dao->ppID1) ? $dao->ppID1 : ($dao->ppID2 ?? NULL);
 541     $mode = (isset($dao->is_test) && $dao->is_test) ? 'test' : 'live';
 542     if (!$ppID || $type === 'id') {
 543       $result = $ppID;
 544     }
 545     elseif ($type === 'info') {
 546       $result = self::getPayment($ppID, $mode);
 547     }
 548     elseif ($type === 'obj' && is_numeric($ppID)) {
 549       try {
 550         $paymentProcessor = civicrm_api3('PaymentProcessor', 'getsingle', ['id' => $ppID]);
 551       }
 552       catch (API_Exception $e) {
 553         // Unable to load the processor because this function uses an unreliable method to derive it.
 554         // The function looks to load the payment processor ID from the contribution page, which
 555         // can support multiple processors.
 556       }
 557
 558       $paymentProcessor['payment_processor_type'] = CRM_Core_PseudoConstant::getName('CRM_Financial_BAO_PaymentProcessor', 'payment_processor_type_id', $paymentProcessor['payment_processor_type_id']);
 559       $result = Civi\Payment\System::singleton()->getByProcessor($paymentProcessor);
 560     }
 561     return $result;
 562   }
 563
 564   /**
 565    * Get the payment processor associated with a recurring contribution series.
 566    *
 567    * @param int $contributionRecurID
 568    *
 569    * @return \CRM_Core_Payment
 570    */
 571   public static function getPaymentProcessorForRecurringContribution($contributionRecurID) {
 572     $paymentProcessorId = civicrm_api3('ContributionRecur', 'getvalue', [
 573       'id' => $contributionRecurID,
 574       'return' => 'payment_processor_id',
 575     ]);
 576     return Civi\Payment\System::singleton()->getById($paymentProcessorId);
 577   }
 578
 579   /**
 580    * Get the name of the payment processor
 581    *
 582    * @param $paymentProcessorId
 583    *
 584    * @return null|string
 585    */
 586   public static function getPaymentProcessorName($paymentProcessorId) {
 587     try {
 588       $paymentProcessor = civicrm_api3('PaymentProcessor', 'getsingle', [
 589         'return' => ['name'],
 590         'id' => $paymentProcessorId,
 591       ]);
 592       return $paymentProcessor['name'];
 593     }
 594     catch (Exception $e) {
 595       return ts('Unknown') . ' (' . $paymentProcessorId . ')';
 596     }
 597   }
 598
 599   /**
 600    * Generate and assign an arbitrary value to a field of a test object.
 601    *
 602    * @param string $fieldName
 603    * @param array $fieldDef
 604    * @param int $counter
 605    *   The globally-unique ID of the test object.
 606    */
 607   protected function assignTestValue($fieldName, &$fieldDef, $counter) {
 608     if ($fieldName === 'class_name') {
 609       $this->class_name = 'Payment_Dummy';
 610     }
 611     else {
 612       parent::assignTestValue($fieldName, $fieldDef, $counter);
 613     }
 614   }
 615
 616   /**
 617    * Get the default financial account id for payment processor accounts.
 618    *
 619    * Note that there is only a 'name' field & no label field. If people customise
 620    * name then this won't work. This is new best-effort functionality so that's non-regressive.
 621    *
 622    * The fix for that is to add a label value to the financial account table.
 623    */
 624   public static function getDefaultFinancialAccountID() {
 625     return CRM_Core_PseudoConstant::getKey('CRM_Financial_DAO_EntityFinancialAccount', 'financial_account_id', 'Payment Processor Account');
 626   }
 627
 628 }