ext/eventcart/CRM/Event/Cart/Form/Checkout/Payment.php

   1 <?php
   2
   3 /**
   4  * Class CRM_Event_Cart_Form_Checkout_Payment
   5  */
   6 class CRM_Event_Cart_Form_Checkout_Payment extends CRM_Event_Cart_Form_Cart {
   7   public $all_participants;
   8   public $financial_type_id;
   9   public $description;
  10   public $line_items;
  11   public $_fields = [];
  12   public $_paymentProcessor;
  13   public $total;
  14   public $sub_total;
  15   public $payment_required = TRUE;
  16   public $payer_contact_id;
  17   public $is_pay_later = FALSE;
  18   public $pay_later_receipt;
  19
  20   /**
  21    * @var array
  22    */
  23   protected $_values = [];
  24
  25   /**
  26    * Register a participant.
  27    *
  28    * @param array $params
  29    * @param CRM_Event_BAO_Participant $participant
  30    * @param CRM_Event_BAO_Event $event
  31    *
  32    * @return mixed
  33    * @throws \CiviCRM_API3_Exception
  34    */
  35   public function registerParticipant($params, &$participant, $event) {
  36     $participantParams = [
  37       'id' => $participant->id,
  38       'event_id' => $event->id,
  39       'register_date' => date('YmdHis'),
  40       'source' => CRM_Utils_Array::value('participant_source', $params, $this->description),
  41       'is_pay_later' => $this->is_pay_later,
  42       'fee_amount' => CRM_Utils_Array::value('amount', $params, 0),
  43       'fee_currency' => $params['currencyID'] ?? NULL,
  44     ];
  45
  46     if ($participant->must_wait) {
  47       $participant_status = 'On waitlist';
  48     }
  49     elseif (!empty($params['is_pay_later'])) {
  50       $participant_status = 'Pending from pay later';
  51     }
  52     else {
  53       $participant_status = 'Registered';
  54     }
  55     $participantParams['status_id'] = CRM_Core_PseudoConstant::getKey('CRM_Event_BAO_Participant', 'status_id', $participant_status);
  56     $participantParams['participant_status'] = CRM_Core_PseudoConstant::getLabel('CRM_Event_BAO_Participant', 'status_id', $participantParams['status_id']);
  57
  58     $this->assign('isOnWaitlist', $participant->must_wait);
  59
  60     $participantParams['is_test'] = 0;
  61     if ($this->_action & CRM_Core_Action::PREVIEW || CRM_Utils_Array::value('mode', $params) == 'test') {
  62       $participantParams['is_test'] = 1;
  63     }
  64
  65     $transaction = new CRM_Core_Transaction();
  66
  67     $participant->copyValues($participantParams);
  68     $participant->save();
  69
  70     if (!empty($params['contributionID'])) {
  71       $participantPaymentParams = [
  72         'participant_id' => $participant->id,
  73         'contribution_id' => $params['contributionID'],
  74       ];
  75       civicrm_api3('ParticipantPayment', 'create', $participantPaymentParams);
  76     }
  77
  78     $transaction->commit();
  79
  80     $event_values = [];
  81     CRM_Core_DAO::storeValues($event, $event_values);
  82
  83     $location = [];
  84     if (CRM_Utils_Array::value('is_show_location', $event_values) == 1) {
  85       $locationParams = [
  86         'entity_id' => $participant->event_id,
  87         'entity_table' => 'civicrm_event',
  88       ];
  89       $location = CRM_Core_BAO_Location::getValues($locationParams, TRUE);
  90       CRM_Core_BAO_Address::fixAddress($location['address'][1]);
  91     }
  92
  93     list($pre_id, $post_id) = CRM_Event_Cart_Form_MerParticipant::get_profile_groups($participant->event_id);
  94     $payer_values = [
  95       'email' => '',
  96       'name' => '',
  97     ];
  98     if ($this->payer_contact_id) {
  99       $payer_contact_details = CRM_Contact_BAO_Contact::getContactDetails($this->payer_contact_id);
 100       $payer_values = [
 101         'email' => $payer_contact_details[1],
 102         'name' => $payer_contact_details[0],
 103       ];
 104     }
 105     $values = [
 106       'params' => [$participant->id => $participantParams],
 107       'event' => $event_values,
 108       'location' => $location,
 109       'custom_pre_id' => $pre_id,
 110       'custom_post_id' => $post_id,
 111       'payer' => $payer_values,
 112     ];
 113     CRM_Event_BAO_Event::sendMail($participant->contact_id, $values, $participant->id);
 114
 115     return $participant;
 116   }
 117
 118   /**
 119    * Build payment fields.
 120    */
 121   public function buildPaymentFields() {
 122     $payment_processor_id = NULL;
 123     $can_pay_later = TRUE;
 124     $pay_later_text = "";
 125     $this->pay_later_receipt = "";
 126     foreach ($this->cart->get_main_events_in_carts() as $event_in_cart) {
 127       if ($payment_processor_id === NULL && $event_in_cart->event->payment_processor !== NULL) {
 128         $payment_processor_id = $event_in_cart->event->payment_processor;
 129         $this->financial_type_id = $event_in_cart->event->financial_type_id;
 130         $this->_values['currency'] = $event_in_cart->event->currency;
 131       }
 132       else {
 133         if ($event_in_cart->event->payment_processor !== NULL && $event_in_cart->event->payment_processor !== $payment_processor_id) {
 134           CRM_Core_Error::statusBounce(ts('When registering for multiple events all events must use the same payment processor. '));
 135         }
 136       }
 137       if ($payment_processor_id) {
 138         $can_pay_later = FALSE;
 139       }
 140       elseif ($event_in_cart->event->is_pay_later) {
 141         //XXX
 142         $pay_later_text = $event_in_cart->event->pay_later_text;
 143         $this->pay_later_receipt = $event_in_cart->event->pay_later_receipt;
 144       }
 145       else {
 146         CRM_Core_Error::statusBounce(ts('A payment processor must be selected for this event registration page, or the event must be configured to give users the option to pay later (contact the site administrator for assistance).'));
 147       }
 148     }
 149
 150     if ($can_pay_later) {
 151       $this->addElement('checkbox', 'is_pay_later', $pay_later_text);
 152       $this->addElement('checkbox', 'payment_completed', ts('Payment Completed'));
 153       $this->assign('pay_later_instructions', $this->pay_later_receipt);
 154     }
 155     else {
 156       $this->_paymentProcessorIDs = [$payment_processor_id];
 157       $this->assignPaymentProcessor(FALSE);
 158       CRM_Core_Payment_Form::buildPaymentForm($this, $this->_paymentProcessor, FALSE, FALSE);
 159     }
 160     $this->assign('currency', $this->getCurrency());
 161   }
 162
 163   /**
 164    * Build QuickForm.
 165    */
 166   public function buildQuickForm() {
 167     $this->line_items = [];
 168     $this->sub_total = 0;
 169     $this->_price_values = $this->getValuesForPage('ParticipantsAndPrices');
 170
 171     // iterate over each event in cart
 172     foreach ($this->cart->get_main_events_in_carts() as $event_in_cart) {
 173       $this->process_event_line_item($event_in_cart);
 174       foreach ($this->cart->get_events_in_carts_by_main_event_id($event_in_cart->event_id) as $subevent) {
 175         $this->process_event_line_item($subevent, 'subevent');
 176       }
 177     }
 178
 179     $this->total = $this->sub_total;
 180     $this->payment_required = ($this->total > 0);
 181     $this->assign('payment_required', $this->payment_required);
 182     $this->assign('line_items', $this->line_items);
 183     $this->assign('sub_total', $this->sub_total);
 184     $this->assign('total', $this->total);
 185     $buttons = [];
 186     $buttons[] = [
 187       'name' => ts('Go Back'),
 188       'type' => 'back',
 189     ];
 190     $buttons[] = [
 191       'isDefault' => TRUE,
 192       'name' => ts('Complete Transaction'),
 193       'type' => 'next',
 194     ];
 195
 196     if ($this->total) {
 197       $this->add('text', 'billing_contact_email', 'Billing Email', '', TRUE);
 198       $this->assign('collect_billing_email', TRUE);
 199     }
 200
 201     $this->addButtons($buttons);
 202     $this->addFormRule(['CRM_Event_Cart_Form_Checkout_Payment', 'formRule'], $this);
 203
 204     if ($this->payment_required) {
 205       $this->buildPaymentFields();
 206     }
 207   }
 208
 209   /**
 210    * Process line item for event.
 211    *
 212    * @param bool $event_in_cart
 213    * @param string $class
 214    */
 215   public function process_event_line_item(&$event_in_cart, $class = NULL) {
 216     $cost = 0;
 217     $price_set_id = CRM_Price_BAO_PriceSet::getFor("civicrm_event", $event_in_cart->event_id);
 218     $amount_level = NULL;
 219     if ($price_set_id) {
 220       $event_price_values = [];
 221       foreach ($this->_price_values as $key => $value) {
 222         if (preg_match("/event_{$event_in_cart->event_id}_(price.*)/", $key, $matches)) {
 223           $event_price_values[$matches[1]] = $value;
 224         }
 225       }
 226       $price_sets = CRM_Price_BAO_PriceSet::getSetDetail($price_set_id, TRUE);
 227       $price_set = $price_sets[$price_set_id];
 228       $price_set_amount = [];
 229       CRM_Price_BAO_PriceSet::processAmount($price_set['fields'], $event_price_values, $price_set_amount);
 230       if (!empty($this->_price_values['discountcode'])) {
 231         $ret = $this->apply_discount($this->_price_values['discountcode'], $price_set_amount, $cost, $event_in_cart->event_id);
 232         if ($ret == FALSE) {
 233           $cost = $event_price_values['amount'];
 234         }
 235       }
 236       else {
 237         $cost = $event_price_values['amount'];
 238       }
 239       // @todo - stop setting amount level in this function & call the CRM_Price_BAO_PriceSet::getAmountLevel
 240       // function to get correct amount level consistently. Remove setting of the amount level in
 241       // CRM_Price_BAO_PriceSet::processAmount. Extend the unit tests in CRM_Price_BAO_PriceSetTest
 242       // to cover all variants.
 243       $amount_level = $event_price_values['amount_level'];
 244       $price_details[$price_set_id] = $price_set_amount;
 245     }
 246
 247     // iterate over each participant in event
 248     foreach ($event_in_cart->participants as & $participant) {
 249       $participant->cost = $cost;
 250       $participant->fee_level = $amount_level;
 251       $participant->price_details = $price_details;
 252     }
 253
 254     $this->add_line_item($event_in_cart, $class);
 255   }
 256
 257   /**
 258    * Add line item.
 259    *
 260    * @param CRM_Event_BAO_Event $event_in_cart
 261    * @param string $class
 262    */
 263   public function add_line_item($event_in_cart, $class = NULL) {
 264     $amount = 0;
 265     $cost = 0;
 266     $not_waiting_participants = [];
 267     foreach ($event_in_cart->not_waiting_participants() as $participant) {
 268       $amount += $participant->cost;
 269       $cost = max($cost, $participant->cost);
 270       $not_waiting_participants[] = [
 271         'display_name' => CRM_Contact_BAO_Contact::displayName($participant->contact_id),
 272       ];
 273     }
 274     $waiting_participants = [];
 275     foreach ($event_in_cart->waiting_participants() as $participant) {
 276       $waiting_participants[] = [
 277         'display_name' => CRM_Contact_BAO_Contact::displayName($participant->contact_id),
 278       ];
 279     }
 280     $this->line_items[] = [
 281       'amount' => $amount,
 282       'cost' => $cost,
 283       'event' => $event_in_cart->event,
 284       'participants' => $not_waiting_participants,
 285       'num_participants' => count($not_waiting_participants),
 286       'num_waiting_participants' => count($waiting_participants),
 287       'waiting_participants' => $waiting_participants,
 288       'class' => $class,
 289     ];
 290
 291     $this->sub_total += $amount;
 292   }
 293
 294   /**
 295    * Send email receipt.
 296    *
 297    * @param array $events_in_cart
 298    * @param array $params
 299    */
 300   public function emailReceipt($events_in_cart, $params) {
 301     $contact_details = CRM_Contact_BAO_Contact::getContactDetails($this->payer_contact_id);
 302     $state_province = new CRM_Core_DAO_StateProvince();
 303     $state_province->id = $params["billing_state_province_id-{$this->_bltID}"];
 304     $state_province->find();
 305     $state_province->fetch();
 306     $country = new CRM_Core_DAO_Country();
 307     $country->id = $params["billing_country_id-{$this->_bltID}"];
 308     $country->find();
 309     $country->fetch();
 310     foreach ($this->line_items as & $line_item) {
 311       $location_params = ['entity_id' => $line_item['event']->id, 'entity_table' => 'civicrm_event'];
 312       $line_item['location'] = CRM_Core_BAO_Location::getValues($location_params, TRUE);
 313       CRM_Core_BAO_Address::fixAddress($line_item['location']['address'][1]);
 314     }
 315     $send_template_params = [
 316       'table' => 'civicrm_msg_template',
 317       'contactId' => $this->payer_contact_id,
 318       'from' => current(CRM_Core_BAO_Domain::getNameAndEmail(TRUE, TRUE)),
 319       'groupName' => 'msg_tpl_workflow_event',
 320       'isTest' => FALSE,
 321       'toEmail' => $contact_details[1],
 322       'toName' => $contact_details[0],
 323       'tplParams' => [
 324         'billing_name' => "{$params['billing_first_name']} {$params['billing_last_name']}",
 325         'billing_city' => $params["billing_city-{$this->_bltID}"],
 326         'billing_country' => $country->name,
 327         'billing_postal_code' => $params["billing_postal_code-{$this->_bltID}"],
 328         'billing_state' => $state_province->abbreviation,
 329         'billing_street_address' => $params["billing_street_address-{$this->_bltID}"],
 330         'credit_card_exp_date' => $params['credit_card_exp_date'],
 331         'credit_card_type' => $params['credit_card_type'],
 332         'credit_card_number' => "************" . substr($params['credit_card_number'], -4, 4),
 333         // XXX cart->get_discounts
 334         'discounts' => $this->discounts,
 335         'email' => $contact_details[1],
 336         'events_in_cart' => $events_in_cart,
 337         'line_items' => $this->line_items,
 338         'name' => $contact_details[0],
 339         'transaction_id' => $params['trxn_id'],
 340         'transaction_date' => $params['trxn_date'],
 341         'is_pay_later' => $this->is_pay_later,
 342         'pay_later_receipt' => $this->pay_later_receipt,
 343       ],
 344       'valueName' => 'event_registration_receipt',
 345       'PDFFilename' => ts('confirmation') . '.pdf',
 346     ];
 347     $template_params_to_copy = [
 348       'billing_name',
 349       'billing_city',
 350       'billing_country',
 351       'billing_postal_code',
 352       'billing_state',
 353       'billing_street_address',
 354       'credit_card_exp_date',
 355       'credit_card_type',
 356       'credit_card_number',
 357     ];
 358     foreach ($template_params_to_copy as $template_param_to_copy) {
 359       $this->set($template_param_to_copy, $send_template_params['tplParams'][$template_param_to_copy]);
 360     }
 361
 362     CRM_Core_BAO_MessageTemplate::sendTemplate($send_template_params);
 363   }
 364
 365   /**
 366    * Apply form rules.
 367    *
 368    * @param array $fields
 369    * @param array $files
 370    * @param CRM_Core_Form $form
 371    *
 372    * @return array|bool
 373    */
 374   public static function formRule($fields, $files, $form) {
 375     $errors = [];
 376
 377     if ($form->payment_required && empty($form->_submitValues['is_pay_later'])) {
 378       CRM_Core_Form::validateMandatoryFields($form->_fields, $fields, $errors);
 379
 380       // validate payment instrument values (e.g. credit card number)
 381       CRM_Core_Payment_Form::validatePaymentInstrument($form->_paymentProcessor['id'], $fields, $errors, NULL);
 382     }
 383
 384     return empty($errors) ? TRUE : $errors;
 385   }
 386
 387   /**
 388    * Pre-process form.
 389    */
 390   public function preProcess() {
 391     $params = $this->_submitValues;
 392     $this->is_pay_later = CRM_Utils_Array::value('is_pay_later', $params, FALSE) && !CRM_Utils_Array::value('payment_completed', $params);
 393
 394     parent::preProcess();
 395   }
 396
 397   /**
 398    * Post process form.
 399    */
 400   public function postProcess() {
 401     $trxnDetails = NULL;
 402     $params = $this->_submitValues;
 403
 404     $main_participants = $this->cart->get_main_event_participants();
 405
 406     $transaction = new CRM_Core_Transaction();
 407
 408     foreach ($main_participants as $participant) {
 409       $defaults = [];
 410       $ids = ['contact_id' => $participant->contact_id];
 411       $contact = CRM_Contact_BAO_Contact::retrieve($ids, $defaults);
 412       $contact->is_deleted = 0;
 413       $contact->save();
 414     }
 415
 416     $trxn_prefix = 'VR';
 417     if (array_key_exists('billing_contact_email', $params)) {
 418       $this->payer_contact_id = self::find_or_create_contact([
 419         'email' => $params['billing_contact_email'],
 420         'first_name' => $params['billing_first_name'],
 421         'last_name' => $params['billing_last_name'],
 422         'is_deleted' => FALSE,
 423       ]);
 424
 425       $ctype = CRM_Core_DAO::getFieldValue('CRM_Contact_DAO_Contact',
 426         $this->payer_contact_id,
 427         'contact_type'
 428       );
 429       $billing_fields = [
 430         "billing_first_name" => 1,
 431         "billing_middle_name" => 1,
 432         "billing_last_name" => 1,
 433         "billing_street_address-{$this->_bltID}" => 1,
 434         "billing_city-{$this->_bltID}" => 1,
 435         "billing_state_province_id-{$this->_bltID}" => 1,
 436         "billing_postal_code-{$this->_bltID}" => 1,
 437         "billing_country_id-{$this->_bltID}" => 1,
 438         "address_name-{$this->_bltID}" => 1,
 439         "email-{$this->_bltID}" => 1,
 440       ];
 441
 442       $params["address_name-{$this->_bltID}"] = CRM_Utils_Array::value('billing_first_name', $params) . ' ' . CRM_Utils_Array::value('billing_middle_name', $params) . ' ' . CRM_Utils_Array::value('billing_last_name', $params);
 443
 444       $params["email-{$this->_bltID}"] = $params['billing_contact_email'];
 445       CRM_Contact_BAO_Contact::createProfileContact(
 446         $params,
 447         $billing_fields,
 448         $this->payer_contact_id,
 449         NULL,
 450         NULL,
 451         $ctype,
 452         TRUE
 453       );
 454
 455       $params['contact_id'] = $this->payer_contact_id;
 456     }
 457
 458     $params['now'] = date('YmdHis');
 459     $params['invoiceID'] = md5(uniqid(rand(), TRUE));
 460     $params['amount'] = $this->total;
 461     $params['financial_type_id'] = $this->financial_type_id;
 462     if ($this->payment_required && empty($params['is_pay_later'])) {
 463       $trxnDetails = $this->make_payment($params);
 464       $params['trxn_id'] = $trxnDetails['trxn_id'];
 465       $params['trxn_date'] = $trxnDetails['trxn_date'];
 466       $params['currencyID'] = $trxnDetails['currency'];
 467     }
 468     $this->cart->completed = TRUE;
 469     $this->cart->save();
 470     $this->set('last_event_cart_id', $this->cart->id);
 471
 472     $contribution_statuses = CRM_Contribute_PseudoConstant::contributionStatus(NULL, 'name');
 473     $params['payment_instrument_id'] = NULL;
 474     if (!empty($params['is_pay_later'])) {
 475       $params['payment_instrument_id'] = CRM_Core_PseudoConstant::getKey('CRM_Contribute_BAO_Contribution', 'payment_instrument_id', 'Check');
 476       $trxn_prefix = 'CK';
 477     }
 478     else {
 479       $params['payment_instrument_id'] = CRM_Core_PseudoConstant::getKey('CRM_Contribute_BAO_Contribution', 'payment_instrument_id', 'Credit Card');
 480     }
 481     if ($this->is_pay_later && empty($params['payment_completed'])) {
 482       $params['contribution_status_id'] = array_search('Pending', $contribution_statuses);
 483     }
 484     else {
 485       $params['contribution_status_id'] = array_search('Completed', $contribution_statuses);
 486       $params['participant_status'] = 'Registered';
 487       $params['is_pay_later'] = 0;
 488     }
 489     if ($trxnDetails == NULL) {
 490       $params['trxn_id'] = $trxn_prefix . strftime("%Y%m%d%H%M%S");
 491       $params['trxn_date'] = $params['now'];
 492     }
 493
 494     if ($this->payment_required) {
 495       $this->emailReceipt($this->cart->events_in_carts, $params);
 496     }
 497
 498     // n.b. we need to process the subparticipants before main event
 499     // participants so that session attendance can be included in the email
 500     $main_participants = $this->cart->get_main_event_participants();
 501     $this->all_participants = [];
 502     foreach ($main_participants as $main_participant) {
 503       $this->all_participants = array_merge($this->all_participants, $this->cart->get_subparticipants($main_participant));
 504     }
 505     $this->all_participants = array_merge($this->all_participants, $main_participants);
 506
 507     $this->sub_trxn_index = 0;
 508     foreach ($this->all_participants as $mer_participant) {
 509       $event_in_cart = $this->cart->get_event_in_cart_by_event_id($mer_participant->event_id);
 510
 511       $this->sub_trxn_index += 1;
 512
 513       unset($params['contributionID']);
 514       if ($mer_participant->must_wait) {
 515         $this->registerParticipant($params, $mer_participant, $event_in_cart->event);
 516       }
 517       else {
 518         $params['amount'] = $mer_participant->cost - $mer_participant->discount_amount;
 519
 520         if ($event_in_cart->event->financial_type_id && $mer_participant->cost) {
 521           $params['financial_type_id'] = $event_in_cart->event->financial_type_id;
 522           $params['participant_contact_id'] = $mer_participant->contact_id;
 523           $contribution = $this->record_contribution($mer_participant, $params, $event_in_cart->event);
 524           // Record civicrm_line_item
 525           CRM_Price_BAO_LineItem::processPriceSet($mer_participant->id, $mer_participant->price_details, $contribution, $entity_table = 'civicrm_participant');
 526         }
 527         $this->registerParticipant($params, $mer_participant, $event_in_cart->event);
 528       }
 529     }
 530     $this->trxn_id = $params['trxn_id'];
 531     $this->trxn_date = $params['trxn_date'];
 532     $this->saveDataToSession();
 533     $transaction->commit();
 534   }
 535
 536   /**
 537    * Make payment.
 538    *
 539    * @param array $params
 540    *
 541    * @return array
 542    * @throws Exception
 543    */
 544   public function make_payment(&$params) {
 545     $params = $this->prepareParamsForPaymentProcessor($params);
 546     $params['currencyID'] = CRM_Core_Config::singleton()->defaultCurrency;
 547
 548     $payment = Civi\Payment\System::singleton()->getByProcessor($this->_paymentProcessor);
 549     CRM_Core_Payment_Form::mapParams($this->_bltID, $params, $params, TRUE);
 550
 551     try {
 552       $result = $payment->doPayment($params);
 553     }
 554     catch (\Civi\Payment\Exception\PaymentProcessorException $e) {
 555       CRM_Core_Error::displaySessionError($result);
 556       CRM_Utils_System::redirect(CRM_Utils_System::url('civicrm/event/cart_checkout', "_qf_Payment_display=1&qfKey={$this->controller->_key}", TRUE, NULL, FALSE));
 557     }
 558
 559     $trxnDetails = [
 560       'trxn_id' => $result['trxn_id'],
 561       'trxn_date' => $result['now'],
 562       'currency' => $result['currencyID'] ?? NULL,
 563     ];
 564     return $trxnDetails;
 565   }
 566
 567   /**
 568    * Record contribution.
 569    *
 570    * @param CRM_Event_BAO_Participant $mer_participant
 571    * @param array $params
 572    * @param CRM_Event_BAO_Event $event
 573    *
 574    * @return object
 575    * @throws Exception
 576    */
 577   public function record_contribution(&$mer_participant, &$params, $event) {
 578     if ($this->payer_contact_id) {
 579       $payer = $this->payer_contact_id;
 580     }
 581     elseif (self::getContactID()) {
 582       $payer = self::getContactID();
 583     }
 584     else {
 585       $payer = $params['participant_contact_id'];
 586     }
 587
 588     $contribParams = [
 589       'contact_id' => $payer,
 590       'financial_type_id' => $params['financial_type_id'],
 591       'receive_date' => $params['now'],
 592       'total_amount' => $params['amount'],
 593       'amount_level' => $mer_participant->fee_level,
 594       'net_amount' => $params['amount'],
 595       'invoice_id' => "{$params['invoiceID']}-{$this->sub_trxn_index}",
 596       'trxn_id' => "{$params['trxn_id']}-{$this->sub_trxn_index}",
 597       'currency' => $params['currencyID'] ?? NULL,
 598       'source' => $event->title,
 599       'is_pay_later' => CRM_Utils_Array::value('is_pay_later', $params, 0),
 600       'contribution_status_id' => $params['contribution_status_id'],
 601       'payment_instrument_id' => $params['payment_instrument_id'],
 602       'check_number' => $params['check_number'] ?? NULL,
 603       'skipLineItem' => 1,
 604     ];
 605
 606     if (is_array($this->_paymentProcessor)) {
 607       $contribParams['payment_processor'] = $this->_paymentProcessor['id'];
 608     }
 609
 610     $contribution = CRM_Contribute_BAO_Contribution::add($contribParams);
 611     $mer_participant->contribution_id = $contribution->id;
 612     $params['contributionID'] = $contribution->id;
 613
 614     return $contribution;
 615   }
 616
 617   /**
 618    * Save data to session.
 619    */
 620   public function saveDataToSession() {
 621     $session_line_items = [];
 622     foreach ($this->line_items as $line_item) {
 623       $session_line_item = [];
 624       $session_line_item['amount'] = $line_item['amount'];
 625       $session_line_item['cost'] = $line_item['cost'];
 626       $session_line_item['event_id'] = $line_item['event']->id;
 627       $session_line_items[] = $session_line_item;
 628     }
 629     $this->set('line_items', $session_line_items);
 630     $this->set('payment_required', $this->payment_required);
 631     $this->set('is_pay_later', $this->is_pay_later);
 632     $this->set('pay_later_receipt', $this->pay_later_receipt);
 633     $this->set('trxn_id', $this->trxn_id);
 634     $this->set('trxn_date', $this->trxn_date);
 635     $this->set('total', $this->total);
 636   }
 637
 638   /**
 639    * Set form default values.
 640    *
 641    * @return array
 642    */
 643   public function setDefaultValues() {
 644     $defaults = parent::setDefaultValues();
 645
 646     $default_country = new CRM_Core_DAO_Country();
 647     $default_country->iso_code = CRM_Core_BAO_Country::defaultContactCountry();
 648     $default_country->find(TRUE);
 649     $defaults["billing_country_id-{$this->_bltID}"] = $default_country->id;
 650
 651     if (self::getContactID()) {
 652       $params = ['id' => self::getContactID()];
 653       $contact = CRM_Contact_BAO_Contact::retrieve($params, $defaults);
 654
 655       foreach ($contact->email as $email) {
 656         if ($email['is_billing']) {
 657           $defaults["billing_contact_email"] = $email['email'];
 658         }
 659       }
 660       if (empty($defaults['billing_contact_email'])) {
 661         foreach ($contact->email as $email) {
 662           if ($email['is_primary']) {
 663             $defaults["billing_contact_email"] = $email['email'];
 664           }
 665         }
 666       }
 667
 668       $defaults["billing_first_name"] = $contact->first_name;
 669       $defaults["billing_middle_name"] = $contact->middle_name;
 670       $defaults["billing_last_name"] = $contact->last_name;
 671
 672       $billing_address = CRM_Event_Cart_BAO_MerParticipant::billing_address_from_contact($contact);
 673
 674       if ($billing_address != NULL) {
 675         $defaults["billing_street_address-{$this->_bltID}"] = $billing_address['street_address'];
 676         $defaults["billing_city-{$this->_bltID}"] = $billing_address['city'];
 677         $defaults["billing_postal_code-{$this->_bltID}"] = $billing_address['postal_code'];
 678         $defaults["billing_state_province_id-{$this->_bltID}"] = $billing_address['state_province_id'];
 679         $defaults["billing_country_id-{$this->_bltID}"] = $billing_address['country_id'];
 680       }
 681     }
 682
 683     $defaults["source"] = $this->description;
 684
 685     return $defaults;
 686   }
 687
 688   /**
 689    * Apply discount.
 690    *
 691    * @param string $discountCode
 692    * @param array $price_set_amount
 693    * @param float $cost
 694    * @param int $event_id
 695    *
 696    * @return bool
 697    * @throws \CiviCRM_API3_Exception
 698    */
 699   protected function apply_discount($discountCode, &$price_set_amount, &$cost, $event_id) {
 700     $extensions = civicrm_api3('Extension', 'get', [
 701       'full_name' => 'org.civicrm.module.cividiscount',
 702     ]);
 703     if (empty($extensions['id']) || ($extensions['values'][$extensions['id']]['status'] !== 'installed')) {
 704       return FALSE;
 705     }
 706
 707     $autoDiscount = [];
 708
 709     $discounted_priceset_ids = _cividiscount_get_discounted_priceset_ids();
 710     $discounts = _cividiscount_get_discounts();
 711
 712     $stat = FALSE;
 713     foreach ($discounts as $key => $discountValue) {
 714       if ($key == $discountCode) {
 715         $events = $discountValue['events'] ?? NULL;
 716         $evt_ids = implode(",", $events);
 717         if ($evt_ids == "0" || strpos($evt_ids, $event_id)) {
 718           $event_match = TRUE;
 719         }
 720         //check priceset is_active
 721         if ($discountValue['active_on'] != NULL) {
 722           $today = date('Y-m-d');
 723           $diff1 = date_diff(date_create($today), date_create($discountValue['active_on']));
 724           if ($diff1->days > 0) {
 725             $active1 = TRUE;
 726           }
 727         }
 728         else {
 729           $active1 = TRUE;
 730         }
 731         if ($discountValue['expire_on'] != NULL) {
 732           $diff2 = date_diff(date_create($today), date_create($discountValue['expire_on']));
 733           if ($diff2->days > 0) {
 734             $active2 = TRUE;
 735           }
 736         }
 737         else {
 738           $active2 = TRUE;
 739         }
 740       }
 741       if ($discountValue['is_active'] == TRUE && ($discountValue['count_max'] == 0 || ($discountValue['count_max'] > $discountValue['count_use'])) && $active1 == TRUE && $active2 == TRUE && $event_match == TRUE) {
 742         foreach ($price_set_amount as $key => $price) {
 743           if (array_search($price['price_field_value_id'], $discounted_priceset_ids) != NULL) {
 744             $discounted = _cividiscount_calc_discount($price['line_total'], $price['label'], $discountValue, $autoDiscount, $this->getCurrency());
 745             $price_set_amount[$key]['line_total'] = $discounted[0];
 746             $cost += $discounted[0];
 747             $price_set_amount[$key]['label'] = $discounted[1];
 748           }
 749           else {
 750             $cost += $price['line_total'];
 751           }
 752         }
 753         $stat = TRUE;
 754       }
 755     }
 756     return $stat;
 757   }
 758
 759 }