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