CRM/Core/Payment/PayPalProIPN.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 5                                                  |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2019                                |
   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  *
  30  * @package CRM
  31  * @copyright CiviCRM LLC (c) 2004-2019
  32  */
  33 class CRM_Core_Payment_PayPalProIPN extends CRM_Core_Payment_BaseIPN {
  34
  35   public static $_paymentProcessor = NULL;
  36
  37   /**
  38    * Input parameters from payment processor. Store these so that
  39    * the code does not need to keep retrieving from the http request
  40    * @var array
  41    */
  42   protected $_inputParameters = [];
  43
  44   /**
  45    * Store for the variables from the invoice string.
  46    * @var array
  47    */
  48   protected $_invoiceData = [];
  49
  50   /**
  51    * Is this a payment express transaction.
  52    * @var bool
  53    */
  54   protected $_isPaymentExpress = FALSE;
  55
  56   /**
  57    * Component.
  58    *
  59    * Are we dealing with an event an 'anything else' (contribute).
  60    *
  61    * @var string
  62    */
  63   protected $_component = 'contribute';
  64
  65   /**
  66    * Constructor function.
  67    *
  68    * @param array $inputData
  69    *   Contents of HTTP REQUEST.
  70    *
  71    * @throws CRM_Core_Exception
  72    */
  73   public function __construct($inputData) {
  74     $this->setInputParameters($inputData);
  75     $this->setInvoiceData();
  76     parent::__construct();
  77   }
  78
  79   /**
  80    * get the values from the rp_invoice_id string.
  81    *
  82    * @param string $name
  83    *   E.g. i, values are stored in the string with letter codes.
  84    * @param bool $abort
  85    *   Throw exception if not found
  86    *
  87    * @throws CRM_Core_Exception
  88    * @return mixed
  89    */
  90   public function getValue($name, $abort = TRUE) {
  91     if ($abort && empty($this->_invoiceData[$name])) {
  92       throw new CRM_Core_Exception("Failure: Missing Parameter $name");
  93     }
  94     else {
  95       return CRM_Utils_Array::value($name, $this->_invoiceData);
  96     }
  97   }
  98
  99   /**
 100    * Set $this->_invoiceData from the input array
 101    */
 102   public function setInvoiceData() {
 103     if (empty($this->_inputParameters['rp_invoice_id'])) {
 104       $this->_isPaymentExpress = TRUE;
 105       return;
 106     }
 107     $rpInvoiceArray = explode('&', $this->_inputParameters['rp_invoice_id']);
 108     // for clarify let's also store without the single letter unreadable
 109     //@todo after more refactoring we might ditch storing the one letter stuff
 110     $mapping = [
 111       'i' => 'invoice_id',
 112       'm' => 'component',
 113       'c' => 'contact_id',
 114       'b' => 'contribution_id',
 115       'r' => 'contribution_recur_id',
 116       'p' => 'participant_id',
 117       'e' => 'event_id',
 118     ];
 119     foreach ($rpInvoiceArray as $rpInvoiceValue) {
 120       $rpValueArray = explode('=', $rpInvoiceValue);
 121       $this->_invoiceData[$rpValueArray[0]] = $rpValueArray[1];
 122       $this->_inputParameters[$mapping[$rpValueArray[0]]] = $rpValueArray[1];
 123       // p has been overloaded & could mean contribution page or participant id. Clearly we need an
 124       // alphabet with more letters.
 125       // the mode will always be resolved before the mystery p is reached
 126       if ($rpValueArray[1] == 'contribute') {
 127         $mapping['p'] = 'contribution_page_id';
 128       }
 129     }
 130     if (empty($this->_inputParameters['component'])) {
 131       $this->_isPaymentExpress = TRUE;
 132     }
 133   }
 134
 135   /**
 136    * @param string $name
 137    *   Of variable to return.
 138    * @param string $type
 139    *   Data type.
 140    *   - String
 141    *   - Integer
 142    * @param string $location
 143    *   Deprecated.
 144    * @param bool $abort
 145    *   Abort if empty.
 146    *
 147    * @throws CRM_Core_Exception
 148    * @return mixed
 149    */
 150   public function retrieve($name, $type, $location = 'POST', $abort = TRUE) {
 151     $value = CRM_Utils_Type::validate(
 152       CRM_Utils_Array::value($name, $this->_inputParameters),
 153       $type,
 154       FALSE
 155     );
 156     if ($abort && $value === NULL) {
 157       throw new CRM_Core_Exception("Could not find an entry for $name in $location");
 158     }
 159     return $value;
 160   }
 161
 162   /**
 163    * Process recurring contributions.
 164    * @param array $input
 165    * @param array $ids
 166    * @param array $objects
 167    * @param bool $first
 168    * @return void
 169    */
 170   public function recur(&$input, &$ids, &$objects, $first) {
 171     if (!isset($input['txnType'])) {
 172       Civi::log()->debug('PayPalProIPN: Could not find txn_type in input request.');
 173       echo "Failure: Invalid parameters<p>";
 174       return;
 175     }
 176
 177     $recur = &$objects['contributionRecur'];
 178
 179     // make sure the invoice ids match
 180     // make sure the invoice is valid and matches what we have in
 181     // the contribution record
 182     if ($recur->invoice_id != $input['invoice']) {
 183       Civi::log()->debug('PayPalProIPN: Invoice values dont match between database and IPN request recur is ' . $recur->invoice_id . ' input is ' . $input['invoice']);
 184       echo "Failure: Invoice values dont match between database and IPN request recur is " . $recur->invoice_id . " input is " . $input['invoice'];
 185       return;
 186     }
 187
 188     $now = date('YmdHis');
 189
 190     // fix dates that already exist
 191     $dates = ['create', 'start', 'end', 'cancel', 'modified'];
 192     foreach ($dates as $date) {
 193       $name = "{$date}_date";
 194       if ($recur->$name) {
 195         $recur->$name = CRM_Utils_Date::isoToMysql($recur->$name);
 196       }
 197     }
 198
 199     $sendNotification = FALSE;
 200     $subscriptionPaymentStatus = NULL;
 201     //List of Transaction Type
 202     /*
 203     recurring_payment_profile_created          RP Profile Created
 204     recurring_payment           RP Successful Payment
 205     recurring_payment_failed                               RP Failed Payment
 206     recurring_payment_profile_cancel           RP Profile Cancelled
 207     recurring_payment_expired         RP Profile Expired
 208     recurring_payment_skipped        RP Profile Skipped
 209     recurring_payment_outstanding_payment      RP Successful Outstanding Payment
 210     recurring_payment_outstanding_payment_failed          RP Failed Outstanding Payment
 211     recurring_payment_suspended        RP Profile Suspended
 212     recurring_payment_suspended_due_to_max_failed_payment  RP Profile Suspended due to Max Failed Payment
 213      */
 214
 215     //set transaction type
 216     $txnType = $this->retrieve('txn_type', 'String');
 217     //Changes for paypal pro recurring payment
 218     $contributionStatuses = array_flip(CRM_Contribute_BAO_Contribution::buildOptions('contribution_status_id', 'validate'));
 219     switch ($txnType) {
 220       case 'recurring_payment_profile_created':
 221         if (in_array($recur->contribution_status_id, [
 222           $contributionStatuses['Pending'],
 223           $contributionStatuses['In Progress'],
 224         ])
 225           && !empty($recur->processor_id)
 226         ) {
 227           echo "already handled";
 228           return;
 229         }
 230         $recur->create_date = $now;
 231         $recur->contribution_status_id = $contributionStatuses['Pending'];
 232         $recur->processor_id = $this->retrieve('recurring_payment_id', 'String');
 233         $recur->trxn_id = $recur->processor_id;
 234         $subscriptionPaymentStatus = CRM_Core_Payment::RECURRING_PAYMENT_START;
 235         $sendNotification = TRUE;
 236         break;
 237
 238       case 'recurring_payment':
 239         if ($first) {
 240           $recur->start_date = $now;
 241         }
 242         else {
 243           if ($input['paymentStatus'] != 'Completed') {
 244             throw new CRM_Core_Exception("Ignore all IPN payments that are not completed");
 245           }
 246
 247           // In future moving to create pending & then complete, but this OK for now.
 248           // Also consider accepting 'Failed' like other processors.
 249           $input['contribution_status_id'] = $contributionStatuses['Completed'];
 250           $input['invoice_id'] = md5(uniqid(rand(), TRUE));
 251           $input['original_contribution_id'] = $ids['contribution'];
 252           $input['contribution_recur_id'] = $ids['contributionRecur'];
 253
 254           civicrm_api3('Contribution', 'repeattransaction', $input);
 255           return;
 256         }
 257
 258         //contribution installment is completed
 259         if ($this->retrieve('profile_status', 'String') == 'Expired') {
 260           if (!empty($recur->end_date)) {
 261             echo "already handled";
 262             return;
 263           }
 264           $recur->contribution_status_id = $contributionStatuses['Completed'];
 265           $recur->end_date = $now;
 266           $sendNotification = TRUE;
 267           $subscriptionPaymentStatus = CRM_Core_Payment::RECURRING_PAYMENT_END;
 268         }
 269
 270         // make sure the contribution status is not done
 271         // since order of ipn's is unknown
 272         if ($recur->contribution_status_id != $contributionStatuses['Completed']) {
 273           $recur->contribution_status_id = $contributionStatuses['In Progress'];
 274         }
 275         break;
 276     }
 277
 278     $recur->save();
 279
 280     if ($sendNotification) {
 281       $autoRenewMembership = FALSE;
 282       if ($recur->id &&
 283         isset($ids['membership']) && $ids['membership']
 284       ) {
 285         $autoRenewMembership = TRUE;
 286       }
 287       //send recurring Notification email for user
 288       CRM_Contribute_BAO_ContributionPage::recurringNotify($subscriptionPaymentStatus,
 289         $ids['contact'],
 290         $ids['contributionPage'],
 291         $recur,
 292         $autoRenewMembership
 293       );
 294     }
 295
 296     if ($txnType != 'recurring_payment') {
 297       return;
 298     }
 299
 300     if (!$first) {
 301       //check if this contribution transaction is already processed
 302       //if not create a contribution and then get it processed
 303       $contribution = new CRM_Contribute_BAO_Contribution();
 304       $contribution->trxn_id = $input['trxn_id'];
 305       if ($contribution->trxn_id && $contribution->find()) {
 306         Civi::log()->debug('PayPalProIPN: Returning since contribution has already been handled.');
 307         echo "Success: Contribution has already been handled<p>";
 308         return;
 309       }
 310
 311       $contribution->contact_id = $recur->contact_id;
 312       $contribution->financial_type_id = $objects['contributionType']->id;
 313       $contribution->contribution_page_id = $ids['contributionPage'];
 314       $contribution->contribution_recur_id = $ids['contributionRecur'];
 315       $contribution->currency = $objects['contribution']->currency;
 316       $contribution->payment_instrument_id = $objects['contribution']->payment_instrument_id;
 317       $contribution->amount_level = $objects['contribution']->amount_level;
 318       $contribution->campaign_id = $objects['contribution']->campaign_id;
 319       $objects['contribution'] = &$contribution;
 320       $contribution->invoice_id = md5(uniqid(rand(), TRUE));
 321     }
 322     // CRM-13737 - am not aware of any reason why payment_date would not be set - this if is a belt & braces
 323     $objects['contribution']->receive_date = !empty($input['payment_date']) ? date('YmdHis', strtotime($input['payment_date'])) : $now;
 324
 325     $this->single($input, $ids, $objects, TRUE, $first);
 326   }
 327
 328   /**
 329    * @param array $input
 330    * @param array $ids
 331    * @param array $objects
 332    * @param bool $recur
 333    * @param bool $first
 334    *
 335    * @return void
 336    */
 337   public function single(&$input, &$ids, &$objects, $recur = FALSE, $first = FALSE) {
 338     $contribution = &$objects['contribution'];
 339
 340     // make sure the invoice is valid and matches what we have in the contribution record
 341     if ((!$recur) || ($recur && $first)) {
 342       if ($contribution->invoice_id != $input['invoice']) {
 343         Civi::log()->debug('PayPalProIPN: Invoice values dont match between database and IPN request.');
 344         echo "Failure: Invoice values dont match between database and IPN request<p>contribution is" . $contribution->invoice_id . " and input is " . $input['invoice'];
 345         return;
 346       }
 347     }
 348     else {
 349       $contribution->invoice_id = md5(uniqid(rand(), TRUE));
 350     }
 351
 352     if (!$recur) {
 353       if ($contribution->total_amount != $input['amount']) {
 354         Civi::log()->debug('PayPalProIPN: Amount values dont match between database and IPN request.');
 355         echo "Failure: Amount values dont match between database and IPN request<p>";
 356         return;
 357       }
 358     }
 359     else {
 360       $contribution->total_amount = $input['amount'];
 361     }
 362
 363     $transaction = new CRM_Core_Transaction();
 364
 365     $status = $input['paymentStatus'];
 366     if ($status == 'Denied' || $status == 'Failed' || $status == 'Voided') {
 367       $this->failed($objects, $transaction);
 368       return;
 369     }
 370     elseif ($status == 'Pending') {
 371       $this->pending($objects, $transaction);
 372       return;
 373     }
 374     elseif ($status == 'Refunded' || $status == 'Reversed') {
 375       $this->cancelled($objects, $transaction);
 376       return;
 377     }
 378     elseif ($status != 'Completed') {
 379       $this->unhandled($objects, $transaction);
 380       return;
 381     }
 382
 383     // check if contribution is already completed, if so we ignore this ipn
 384     $completedStatusId = CRM_Core_Pseudoconstant::getKey('CRM_Contribute_BAO_Contribution', 'contribution_status_id', 'Completed');
 385     if ($contribution->contribution_status_id == $completedStatusId) {
 386       $transaction->commit();
 387       Civi::log()->debug('PayPalProIPN: Returning since contribution has already been handled.');
 388       echo "Success: Contribution has already been handled<p>";
 389       return;
 390     }
 391
 392     $this->completeTransaction($input, $ids, $objects, $transaction, $recur);
 393   }
 394
 395   /**
 396    * Gets PaymentProcessorID for PayPal
 397    *
 398    * @return int
 399    */
 400   public function getPayPalPaymentProcessorID() {
 401     // This is an unreliable method as there could be more than one instance.
 402     // Recommended approach is to use the civicrm/payment/ipn/xx url where xx is the payment
 403     // processor id & the handleNotification function (which should call the completetransaction api & by-pass this
 404     // entirely). The only thing the IPN class should really do is extract data from the request, validate it
 405     // & call completetransaction or call fail? (which may not exist yet).
 406
 407     Civi::log()->warning('Unreliable method used to get payment_processor_id for PayPal Pro IPN - this will cause problems if you have more than one instance');
 408
 409     $paymentProcessorTypeID = CRM_Core_DAO::getFieldValue('CRM_Financial_DAO_PaymentProcessorType',
 410       'PayPal', 'id', 'name'
 411     );
 412     return (int) civicrm_api3('PaymentProcessor', 'getvalue', [
 413       'is_test' => 0,
 414       'options' => ['limit' => 1],
 415       'payment_processor_type_id' => $paymentProcessorTypeID,
 416       'return' => 'id',
 417     ]);
 418
 419   }
 420
 421   /**
 422    * This is the main function to call. It should be sufficient to instantiate the class
 423    * (with the input parameters) & call this & all will be done
 424    *
 425    * @todo the references to POST throughout this class need to be removed
 426    * @return void
 427    */
 428   public function main() {
 429     CRM_Core_Error::debug_var('GET', $_GET, TRUE, TRUE);
 430     CRM_Core_Error::debug_var('POST', $_POST, TRUE, TRUE);
 431     if ($this->_isPaymentExpress) {
 432       $this->handlePaymentExpress();
 433       return;
 434     }
 435     $objects = $ids = $input = [];
 436     $this->_component = $input['component'] = self::getValue('m');
 437     $input['invoice'] = self::getValue('i', TRUE);
 438     // get the contribution and contact ids from the GET params
 439     $ids['contact'] = self::getValue('c', TRUE);
 440     $ids['contribution'] = self::getValue('b', TRUE);
 441
 442     $this->getInput($input, $ids);
 443
 444     if ($this->_component == 'event') {
 445       $ids['event'] = self::getValue('e', TRUE);
 446       $ids['participant'] = self::getValue('p', TRUE);
 447       $ids['contributionRecur'] = self::getValue('r', FALSE);
 448     }
 449     else {
 450       // get the optional ids
 451       //@ how can this not be broken retrieving from GET as we are dealing with a POST request?
 452       // copy & paste? Note the retrieve function now uses data from _REQUEST so this will be included
 453       $ids['membership'] = self::retrieve('membershipID', 'Integer', 'GET', FALSE);
 454       $ids['contributionRecur'] = self::getValue('r', FALSE);
 455       $ids['contributionPage'] = self::getValue('p', FALSE);
 456       $ids['related_contact'] = self::retrieve('relatedContactID', 'Integer', 'GET', FALSE);
 457       $ids['onbehalf_dupe_alert'] = self::retrieve('onBehalfDupeAlert', 'Integer', 'GET', FALSE);
 458     }
 459
 460     if (!$ids['membership'] && $ids['contributionRecur']) {
 461       $sql = "
 462     SELECT m.id
 463       FROM civicrm_membership m
 464 INNER JOIN civicrm_membership_payment mp ON m.id = mp.membership_id AND mp.contribution_id = %1
 465      WHERE m.contribution_recur_id = %2
 466      LIMIT 1";
 467       $sqlParams = [
 468         1 => [$ids['contribution'], 'Integer'],
 469         2 => [$ids['contributionRecur'], 'Integer'],
 470       ];
 471       if ($membershipId = CRM_Core_DAO::singleValueQuery($sql, $sqlParams)) {
 472         $ids['membership'] = $membershipId;
 473       }
 474     }
 475
 476     $paymentProcessorID = self::getPayPalPaymentProcessorID();
 477
 478     if (!$this->validateData($input, $ids, $objects, TRUE, $paymentProcessorID)) {
 479       return;
 480     }
 481
 482     self::$_paymentProcessor = &$objects['paymentProcessor'];
 483     //?? how on earth would we not have component be one of these?
 484     // they are the only valid settings & this IPN file can't even be called without one of them
 485     // grepping for this class doesn't find other paths to call this class
 486     if ($this->_component == 'contribute' || $this->_component == 'event') {
 487       if ($ids['contributionRecur']) {
 488         // check if first contribution is completed, else complete first contribution
 489         $first = TRUE;
 490         $completedStatusId = CRM_Core_Pseudoconstant::getKey('CRM_Contribute_BAO_Contribution', 'contribution_status_id', 'Completed');
 491         if ($objects['contribution']->contribution_status_id == $completedStatusId) {
 492           $first = FALSE;
 493         }
 494         $this->recur($input, $ids, $objects, $first);
 495         return;
 496       }
 497     }
 498     $this->single($input, $ids, $objects, FALSE, FALSE);
 499   }
 500
 501   /**
 502    * @param array $input
 503    * @param array $ids
 504    *
 505    * @return void
 506    * @throws CRM_Core_Exception
 507    */
 508   public function getInput(&$input, &$ids) {
 509     if (!$this->getBillingID($ids)) {
 510       return;
 511     }
 512
 513     $input['txnType'] = self::retrieve('txn_type', 'String', 'POST', FALSE);
 514     $input['paymentStatus'] = self::retrieve('payment_status', 'String', 'POST', FALSE);
 515
 516     $input['amount'] = self::retrieve('mc_gross', 'Money', 'POST', FALSE);
 517     $input['reasonCode'] = self::retrieve('ReasonCode', 'String', 'POST', FALSE);
 518
 519     $billingID = $ids['billing'];
 520     $lookup = [
 521       "first_name" => 'first_name',
 522       "last_name" => 'last_name',
 523       "street_address-{$billingID}" => 'address_street',
 524       "city-{$billingID}" => 'address_city',
 525       "state-{$billingID}" => 'address_state',
 526       "postal_code-{$billingID}" => 'address_zip',
 527       "country-{$billingID}" => 'address_country_code',
 528     ];
 529     foreach ($lookup as $name => $paypalName) {
 530       $value = self::retrieve($paypalName, 'String', 'POST', FALSE);
 531       $input[$name] = $value ? $value : NULL;
 532     }
 533
 534     $input['is_test'] = self::retrieve('test_ipn', 'Integer', 'POST', FALSE);
 535     $input['fee_amount'] = self::retrieve('mc_fee', 'Money', 'POST', FALSE);
 536     $input['net_amount'] = self::retrieve('settle_amount', 'Money', 'POST', FALSE);
 537     $input['trxn_id'] = self::retrieve('txn_id', 'String', 'POST', FALSE);
 538     $input['payment_date'] = $input['receive_date'] = self::retrieve('payment_date', 'String', 'POST', FALSE);
 539     $input['total_amount'] = $input['amount'];
 540   }
 541
 542   /**
 543    * Handle payment express IPNs.
 544    *
 545    * For one off IPNS no actual response is required
 546    * Recurring is more difficult as we have limited confirmation material
 547    * lets look up invoice id in recur_contribution & rely on the unique transaction id to ensure no
 548    * duplicated
 549    * this may not be acceptable to all sites - e.g. if they are shipping or delivering something in return
 550    * then the quasi security of the ids array might be required - although better to
 551    * http://stackoverflow.com/questions/4848227/validate-that-ipn-call-is-from-paypal
 552    * but let's assume knowledge on invoice id & schedule is enough for now esp for donations
 553    * only contribute is handled
 554    */
 555   public function handlePaymentExpress() {
 556     //@todo - loads of copy & paste / code duplication but as this not going into core need to try to
 557     // keep discreet
 558     // also note that a lot of the complexity above could be removed if we used
 559     // http://stackoverflow.com/questions/4848227/validate-that-ipn-call-is-from-paypal
 560     // as membership id etc can be derived by the load objects fn
 561     $objects = $ids = $input = [];
 562     $isFirst = FALSE;
 563     $input['invoice'] = self::getValue('i', FALSE);
 564     //Avoid return in case of unit test.
 565     if (empty($input['invoice']) && empty($this->_inputParameters['is_unit_test'])) {
 566       return;
 567     }
 568     $input['txnType'] = $this->retrieve('txn_type', 'String');
 569     $contributionRecur = civicrm_api3('contribution_recur', 'getsingle', [
 570       'return' => 'contact_id, id, payment_processor_id',
 571       'invoice_id' => $input['invoice'],
 572     ]);
 573
 574     if ($input['txnType'] !== 'recurring_payment' && $input['txnType'] !== 'recurring_payment_profile_created') {
 575       throw new CRM_Core_Exception('Paypal IPNS not handled other than recurring_payments');
 576     }
 577
 578     $this->getInput($input, $ids);
 579     if ($input['txnType'] === 'recurring_payment' && $this->transactionExists($input['trxn_id'])) {
 580       throw new CRM_Core_Exception('This transaction has already been processed');
 581     }
 582
 583     $ids['contact'] = $contributionRecur['contact_id'];
 584     $ids['contributionRecur'] = $contributionRecur['id'];
 585     $result = civicrm_api3('contribution', 'getsingle', ['invoice_id' => $input['invoice'], 'contribution_test' => '']);
 586
 587     $ids['contribution'] = $result['id'];
 588     //@todo hardcoding 'pending' for now
 589     $pendingStatusId = CRM_Core_Pseudoconstant::getKey('CRM_Contribute_BAO_Contribution', 'contribution_status_id', 'Pending');
 590     if ($result['contribution_status_id'] == $pendingStatusId) {
 591       $isFirst = TRUE;
 592     }
 593     // arg api won't get this - fix it
 594     $ids['contributionPage'] = CRM_Core_DAO::singleValueQuery("SELECT contribution_page_id FROM civicrm_contribution WHERE invoice_id = %1", [
 595       1 => [
 596         $ids['contribution'],
 597         'Integer',
 598       ],
 599     ]);
 600     // only handle component at this stage - not terribly sure how a recurring event payment would arise
 601     // & suspec main function may be a victom of copy & paste
 602     // membership would be an easy add - but not relevant to my customer...
 603     $this->_component = $input['component'] = 'contribute';
 604     $input['trxn_date'] = date('Y-m-d-H-i-s', strtotime(self::retrieve('time_created', 'String')));
 605     $paymentProcessorID = $contributionRecur['payment_processor_id'];
 606
 607     if (!$this->validateData($input, $ids, $objects, TRUE, $paymentProcessorID)) {
 608       throw new CRM_Core_Exception('Data did not validate');
 609     }
 610     $this->recur($input, $ids, $objects, $isFirst);
 611   }
 612
 613   /**
 614    * Function check if transaction already exists.
 615    * @param string $trxn_id
 616    * @return bool|void
 617    */
 618   public function transactionExists($trxn_id) {
 619     if (CRM_Core_DAO::singleValueQuery("SELECT count(*) FROM civicrm_contribution WHERE trxn_id = %1",
 620       [
 621         1 => [$trxn_id, 'String'],
 622       ])
 623     ) {
 624       return TRUE;
 625     }
 626   }
 627
 628 }