CRM/Event/Form/Registration.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  * @package CRM
  14  * @copyright CiviCRM LLC https://civicrm.org/licensing
  15  */
  16
  17 /**
  18  * This class generates form components for processing Event.
  19  */
  20 class CRM_Event_Form_Registration extends CRM_Core_Form {
  21
  22   use CRM_Financial_Form_FrontEndPaymentFormTrait;
  23
  24   /**
  25    * How many locationBlocks should we display?
  26    *
  27    * @var int
  28    * @const
  29    */
  30   const LOCATION_BLOCKS = 1;
  31
  32   /**
  33    * The id of the event we are processing.
  34    *
  35    * @var int
  36    */
  37   public $_eventId;
  38
  39   /**
  40    * Get the event it.
  41    *
  42    * @return int
  43    */
  44   protected function getEventID(): int {
  45     return $this->_eventId;
  46   }
  47
  48   /**
  49    * The array of ids of all the participant we are processing.
  50    *
  51    * @var int
  52    */
  53   protected $_participantIDS = NULL;
  54
  55   /**
  56    * The id of the participant we are processing.
  57    *
  58    * @var int
  59    */
  60   protected $_participantId;
  61
  62   /**
  63    * Is participant able to walk registration wizard.
  64    *
  65    * @var bool
  66    */
  67   public $_allowConfirmation;
  68
  69   /**
  70    * Is participant requires approval.
  71    *
  72    * @var bool
  73    */
  74   public $_requireApproval;
  75
  76   /**
  77    * Is event configured for waitlist.
  78    *
  79    * @var bool
  80    */
  81   public $_allowWaitlist;
  82
  83   /**
  84    * Store additional participant ids.
  85    * when there are pre-registered.
  86    *
  87    * @var array
  88    */
  89   public $_additionalParticipantIds;
  90
  91   /**
  92    * The values for the contribution db object.
  93    *
  94    * @var array
  95    */
  96   public $_values;
  97
  98   /**
  99    * The paymentProcessor attributes for this page.
 100    *
 101    * @var array
 102    */
 103   public $_paymentProcessor;
 104
 105   /**
 106    * The params submitted by the form and computed by the app.
 107    *
 108    * @var array
 109    */
 110   protected $_params;
 111
 112   /**
 113    * The fields involved in this contribution page.
 114    *
 115    * @var array
 116    */
 117   public $_fields;
 118
 119   /**
 120    * The billing location id for this contribution page.
 121    *
 122    * @var int
 123    */
 124   public $_bltID;
 125
 126   /**
 127    * Price Set ID, if the new price set method is used
 128    *
 129    * @var int
 130    */
 131   public $_priceSetId = NULL;
 132
 133   /**
 134    * Array of fields for the price set.
 135    *
 136    * @var array
 137    */
 138   public $_priceSet;
 139
 140   public $_action;
 141
 142   public $_pcpId;
 143
 144   /**
 145    * Is event already full.
 146    *
 147    * @var bool
 148    *
 149    */
 150   public $_isEventFull;
 151
 152   public $_lineItem;
 153
 154   public $_lineItemParticipantsCount;
 155
 156   public $_availableRegistrations;
 157
 158   /**
 159    * @var bool
 160    * @deprecated
 161    */
 162   public $_isBillingAddressRequiredForPayLater;
 163
 164   /**
 165    * Is this a back office form
 166    *
 167    * @var bool
 168    */
 169   public $isBackOffice = FALSE;
 170
 171   /**
 172    * Payment instrument iD for the transaction.
 173    *
 174    * This will generally be drawn from the payment processor and is ignored for
 175    * front end forms.
 176    *
 177    * @var int
 178    */
 179   public $paymentInstrumentID;
 180
 181   /**
 182    * Set variables up before form is built.
 183    */
 184   public function preProcess() {
 185     $this->_eventId = (int) CRM_Utils_Request::retrieve('id', 'Positive', $this, TRUE);
 186     $this->_action = CRM_Utils_Request::retrieve('action', 'Alphanumeric', $this, FALSE, CRM_Core_Action::ADD);
 187     //CRM-4320
 188     $this->_participantId = CRM_Utils_Request::retrieve('participantId', 'Positive', $this);
 189     $this->setPaymentMode();
 190
 191     $this->_values = $this->get('values');
 192     $this->_fields = $this->get('fields');
 193     $this->_bltID = $this->get('bltID');
 194     $this->_paymentProcessor = $this->get('paymentProcessor');
 195     $this->_priceSetId = $this->get('priceSetId');
 196     $this->_priceSet = $this->get('priceSet');
 197     $this->_lineItem = $this->get('lineItem');
 198     $this->_isEventFull = $this->get('isEventFull');
 199     $this->_lineItemParticipantsCount = $this->get('lineItemParticipants');
 200     if (!is_array($this->_lineItem)) {
 201       $this->_lineItem = [];
 202     }
 203     if (!is_array($this->_lineItemParticipantsCount)) {
 204       $this->_lineItemParticipantsCount = [];
 205     }
 206     $this->_availableRegistrations = $this->get('availableRegistrations');
 207     $this->_participantIDS = $this->get('participantIDs');
 208
 209     //check if participant allow to walk registration wizard.
 210     $this->_allowConfirmation = $this->get('allowConfirmation');
 211
 212     // check for Approval
 213     $this->_requireApproval = $this->get('requireApproval');
 214
 215     // check for waitlisting.
 216     $this->_allowWaitlist = $this->get('allowWaitlist');
 217
 218     //get the additional participant ids.
 219     $this->_additionalParticipantIds = $this->get('additionalParticipantIds');
 220
 221     if (!$this->_values) {
 222       // this is the first time we are hitting this, so check for permissions here
 223       if (!CRM_Core_Permission::event(CRM_Core_Permission::EDIT, $this->_eventId, 'register for events')) {
 224         CRM_Core_Error::statusBounce(ts('You do not have permission to register for this event'), $this->getInfoPageUrl());
 225       }
 226
 227       // get all the values from the dao object
 228       $this->_values = $this->_fields = [];
 229
 230       //retrieve event information
 231       $params = ['id' => $this->_eventId];
 232       CRM_Event_BAO_Event::retrieve($params, $this->_values['event']);
 233
 234       // check for is_monetary status
 235       $isMonetary = $this->_values['event']['is_monetary'] ?? NULL;
 236       // check for ability to add contributions of type
 237       if ($isMonetary
 238         && CRM_Financial_BAO_FinancialType::isACLFinancialTypeStatus()
 239         && !CRM_Core_Permission::check('add contributions of type ' . CRM_Contribute_PseudoConstant::financialType($this->_values['event']['financial_type_id']))
 240       ) {
 241         CRM_Core_Error::statusBounce(ts('You do not have permission to access this page.'));
 242       }
 243
 244       $this->checkValidEvent();
 245       // get the participant values, CRM-4320
 246       $this->_allowConfirmation = FALSE;
 247       if ($this->_participantId) {
 248         $this->processFirstParticipant($this->_participantId);
 249       }
 250       //check for additional participants.
 251       if ($this->_allowConfirmation && $this->_values['event']['is_multiple_registrations']) {
 252         $additionalParticipantIds = CRM_Event_BAO_Participant::getAdditionalParticipantIds($this->_participantId);
 253         $cnt = 1;
 254         foreach ($additionalParticipantIds as $additionalParticipantId) {
 255           $this->_additionalParticipantIds[$cnt] = $additionalParticipantId;
 256           $cnt++;
 257         }
 258         $this->set('additionalParticipantIds', $this->_additionalParticipantIds);
 259       }
 260
 261       $eventFull = CRM_Event_BAO_Participant::eventFull($this->_eventId, FALSE,
 262         CRM_Utils_Array::value('has_waitlist', $this->_values['event'])
 263       );
 264
 265       $this->_allowWaitlist = $this->_isEventFull = FALSE;
 266       if ($eventFull && !$this->_allowConfirmation) {
 267         $this->_isEventFull = TRUE;
 268         //lets redirecting to info only when to waiting list.
 269         $this->_allowWaitlist = $this->_values['event']['has_waitlist'] ?? NULL;
 270         if (!$this->_allowWaitlist) {
 271           CRM_Utils_System::redirect($this->getInfoPageUrl());
 272         }
 273       }
 274       $this->set('isEventFull', $this->_isEventFull);
 275       $this->set('allowWaitlist', $this->_allowWaitlist);
 276
 277       //check for require requires approval.
 278       $this->_requireApproval = FALSE;
 279       if (!empty($this->_values['event']['requires_approval']) && !$this->_allowConfirmation) {
 280         $this->_requireApproval = TRUE;
 281       }
 282       $this->set('requireApproval', $this->_requireApproval);
 283
 284       if (isset($this->_values['event']['default_role_id'])) {
 285         $participant_role = CRM_Core_OptionGroup::values('participant_role');
 286         $this->_values['event']['participant_role'] = $participant_role["{$this->_values['event']['default_role_id']}"];
 287       }
 288       $isPayLater = CRM_Core_DAO::getFieldValue('CRM_Event_DAO_Event', $this->_eventId, 'is_pay_later');
 289       $this->setPayLaterLabel($isPayLater ? $this->_values['event']['pay_later_text'] : '');
 290       //check for various combinations for paylater, payment
 291       //process with paid event.
 292       if ($isMonetary && (!$isPayLater || !empty($this->_values['event']['payment_processor']))) {
 293         $this->_paymentProcessorIDs = explode(CRM_Core_DAO::VALUE_SEPARATOR, CRM_Utils_Array::value('payment_processor',
 294           $this->_values['event']
 295         ));
 296         $this->assignPaymentProcessor($isPayLater);
 297       }
 298       //init event fee.
 299       self::initEventFee($this, $this->_eventId);
 300
 301       // get the profile ids
 302       $ufJoinParams = [
 303         'entity_table' => 'civicrm_event',
 304         // CRM-4377: CiviEvent for the main participant, CiviEvent_Additional for additional participants
 305         'module' => 'CiviEvent',
 306         'entity_id' => $this->_eventId,
 307       ];
 308       [$this->_values['custom_pre_id'], $this->_values['custom_post_id']] = CRM_Core_BAO_UFJoin::getUFGroupIds($ufJoinParams);
 309
 310       // set profiles for additional participants
 311       if ($this->_values['event']['is_multiple_registrations']) {
 312         // CRM-4377: CiviEvent for the main participant, CiviEvent_Additional for additional participants
 313         $ufJoinParams['module'] = 'CiviEvent_Additional';
 314
 315         [$this->_values['additional_custom_pre_id'], $this->_values['additional_custom_post_id'], $preActive, $postActive] = CRM_Core_BAO_UFJoin::getUFGroupIds($ufJoinParams);
 316
 317         // CRM-4377: we need to maintain backward compatibility, hence if there is profile for main contact
 318         // set same profile for additional contacts.
 319         if ($this->_values['custom_pre_id'] && !$this->_values['additional_custom_pre_id']) {
 320           $this->_values['additional_custom_pre_id'] = $this->_values['custom_pre_id'];
 321         }
 322
 323         if ($this->_values['custom_post_id'] && !$this->_values['additional_custom_post_id']) {
 324           $this->_values['additional_custom_post_id'] = $this->_values['custom_post_id'];
 325         }
 326         // now check for no profile condition, in that case is_active = 0
 327         if (isset($preActive) && !$preActive) {
 328           unset($this->_values['additional_custom_pre_id']);
 329         }
 330         if (isset($postActive) && !$postActive) {
 331           unset($this->_values['additional_custom_post_id']);
 332         }
 333       }
 334
 335       $this->assignBillingType();
 336
 337       if ($this->_values['event']['is_monetary']) {
 338         CRM_Core_Payment_Form::setPaymentFieldsByProcessor($this, $this->_paymentProcessor);
 339       }
 340       $params = ['entity_id' => $this->_eventId, 'entity_table' => 'civicrm_event'];
 341       $this->_values['location'] = CRM_Core_BAO_Location::getValues($params, TRUE);
 342
 343       $this->set('values', $this->_values);
 344       $this->set('fields', $this->_fields);
 345
 346       $this->_availableRegistrations
 347         = CRM_Event_BAO_Participant::eventFull(
 348         $this->_values['event']['id'], TRUE,
 349         CRM_Utils_Array::value('has_waitlist', $this->_values['event'])
 350       );
 351       $this->set('availableRegistrations', $this->_availableRegistrations);
 352     }
 353     $this->assign_by_ref('paymentProcessor', $this->_paymentProcessor);
 354
 355     // check if this is a paypal auto return and redirect accordingly
 356     if (CRM_Core_Payment::paypalRedirect($this->_paymentProcessor)) {
 357       $url = CRM_Utils_System::url('civicrm/event/register',
 358         "_qf_ThankYou_display=1&qfKey={$this->controller->_key}"
 359       );
 360       CRM_Utils_System::redirect($url);
 361     }
 362     // The concept of contributeMode is deprecated.
 363     $this->_contributeMode = $this->get('contributeMode');
 364     $this->assign('contributeMode', $this->_contributeMode);
 365
 366     $this->setTitle($this->_values['event']['title']);
 367
 368     $this->assign('paidEvent', $this->_values['event']['is_monetary']);
 369
 370     // we do not want to display recently viewed items on Registration pages
 371     $this->assign('displayRecent', FALSE);
 372
 373     $isShowLocation = $this->_values['event']['is_show_location'] ?? NULL;
 374     $this->assign('isShowLocation', $isShowLocation);
 375     // Handle PCP
 376     $pcpId = CRM_Utils_Request::retrieve('pcpId', 'Positive', $this);
 377     if ($pcpId) {
 378       $pcp = CRM_PCP_BAO_PCP::handlePcp($pcpId, 'event', $this->_values['event']);
 379       $this->_pcpId = $pcp['pcpId'];
 380       $this->_values['event']['intro_text'] = $pcp['pcpInfo']['intro_text'] ?? NULL;
 381     }
 382
 383     // assign all event properties so wizard templates can display event info.
 384     $this->assign('event', $this->_values['event']);
 385     $this->assign('location', $this->_values['location']);
 386     $this->assign('bltID', $this->_bltID);
 387     $isShowLocation = $this->_values['event']['is_show_location'] ?? NULL;
 388     $this->assign('isShowLocation', $isShowLocation);
 389     CRM_Contribute_BAO_Contribution_Utils::overrideDefaultCurrency($this->_values['event']);
 390
 391     //lets allow user to override campaign.
 392     $campID = CRM_Utils_Request::retrieve('campID', 'Positive', $this);
 393     if ($campID && CRM_Core_DAO::getFieldValue('CRM_Campaign_DAO_Campaign', $campID)) {
 394       $this->_values['event']['campaign_id'] = $campID;
 395     }
 396
 397     // Set the same value for is_billing_required as contribution page so code can be shared.
 398     $this->_values['is_billing_required'] = $this->_values['event']['is_billing_required'] ?? NULL;
 399     // check if billing block is required for pay later
 400     // note that I have started removing the use of isBillingAddressRequiredForPayLater in favour of letting
 401     // the CRM_Core_Payment_Manual class handle it - but there are ~300 references to it in the code base so only
 402     // removing in very limited cases.
 403     if (!empty($this->_values['event']['is_pay_later'])) {
 404       $this->_isBillingAddressRequiredForPayLater = $this->_values['event']['is_billing_required'] ?? NULL;
 405       $this->assign('isBillingAddressRequiredForPayLater', $this->_isBillingAddressRequiredForPayLater);
 406     }
 407   }
 408
 409   /**
 410    * Assign the minimal set of variables to the template.
 411    */
 412   public function assignToTemplate() {
 413     //process only primary participant params
 414     $this->_params = $this->get('params');
 415     if (isset($this->_params[0])) {
 416       $params = $this->_params[0];
 417     }
 418     $name = '';
 419     if (!empty($params['billing_first_name'])) {
 420       $name = $params['billing_first_name'];
 421     }
 422
 423     if (!empty($params['billing_middle_name'])) {
 424       $name .= " {$params['billing_middle_name']}";
 425     }
 426
 427     if (!empty($params['billing_last_name'])) {
 428       $name .= " {$params['billing_last_name']}";
 429     }
 430     $this->assign('billingName', $name);
 431     $this->set('name', $name);
 432
 433     $vars = [
 434       'amount',
 435       'currencyID',
 436       'credit_card_type',
 437       'trxn_id',
 438       'amount_level',
 439       'receive_date',
 440     ];
 441
 442     foreach ($vars as $v) {
 443       if (!empty($params[$v])) {
 444         if ($v === 'receive_date') {
 445           $this->assign($v, CRM_Utils_Date::mysqlToIso($params[$v]));
 446         }
 447         else {
 448           $this->assign($v, $params[$v]);
 449         }
 450       }
 451       elseif (empty($params['amount'])) {
 452         $this->assign($v, CRM_Utils_Array::value($v, $params));
 453       }
 454     }
 455
 456     $this->assign('address', CRM_Utils_Address::getFormattedBillingAddressFieldsFromParameters($params, $this->_bltID));
 457
 458     // The concept of contributeMode is deprecated.
 459     if ($this->_contributeMode === 'direct' && empty($params['is_pay_later'])) {
 460       $date = CRM_Utils_Date::format(CRM_Utils_Array::value('credit_card_exp_date', $params));
 461       $date = CRM_Utils_Date::mysqlToIso($date);
 462       $this->assign('credit_card_exp_date', $date);
 463       $this->assign('credit_card_number',
 464         CRM_Utils_System::mungeCreditCard(CRM_Utils_Array::value('credit_card_number', $params))
 465       );
 466     }
 467
 468     $this->assign('is_email_confirm', $this->_values['event']['is_email_confirm'] ?? NULL);
 469     // assign pay later stuff
 470     $params['is_pay_later'] = $params['is_pay_later'] ?? FALSE;
 471     $this->assign('is_pay_later', $params['is_pay_later']);
 472     $this->assign('pay_later_text', $params['is_pay_later'] ? $this->getPayLaterLabel() : FALSE);
 473     $this->assign('pay_later_receipt', $params['is_pay_later'] ? $this->_values['event']['pay_later_receipt'] : NULL);
 474
 475     // also assign all participantIDs to the template
 476     // useful in generating confirmation numbers if needed
 477     $this->assign('participantIDs', $this->_participantIDS);
 478   }
 479
 480   /**
 481    * Add the custom fields.
 482    *
 483    * @param int $id
 484    * @param string $name
 485    */
 486   public function buildCustom($id, $name) {
 487     if (!$id) {
 488       return;
 489     }
 490
 491     $cid = CRM_Utils_Request::retrieve('cid', 'Positive', $this);
 492     $contactID = CRM_Core_Session::getLoggedInContactID();
 493     $fields = [];
 494
 495     // we don't allow conflicting fields to be
 496     // configured via profile
 497     $fieldsToIgnore = [
 498       'participant_fee_amount' => 1,
 499       'participant_fee_level' => 1,
 500     ];
 501     if ($contactID) {
 502       //FIX CRM-9653
 503       if (is_array($id)) {
 504         $fields = [];
 505         foreach ($id as $profileID) {
 506           $field = CRM_Core_BAO_UFGroup::getFields($profileID, FALSE, CRM_Core_Action::ADD,
 507             NULL, NULL, FALSE, NULL,
 508             FALSE, NULL, CRM_Core_Permission::CREATE,
 509             'field_name', TRUE
 510           );
 511           $fields = array_merge($fields, $field);
 512         }
 513       }
 514       else {
 515         if (CRM_Core_BAO_UFGroup::filterUFGroups($id, $contactID)) {
 516           $fields = CRM_Core_BAO_UFGroup::getFields($id, FALSE, CRM_Core_Action::ADD,
 517             NULL, NULL, FALSE, NULL,
 518             FALSE, NULL, CRM_Core_Permission::CREATE,
 519             'field_name', TRUE
 520           );
 521         }
 522       }
 523     }
 524     else {
 525       $fields = CRM_Core_BAO_UFGroup::getFields($id, FALSE, CRM_Core_Action::ADD,
 526         NULL, NULL, FALSE, NULL,
 527         FALSE, NULL, CRM_Core_Permission::CREATE,
 528         'field_name', TRUE
 529       );
 530     }
 531
 532     if (array_intersect_key($fields, $fieldsToIgnore)) {
 533       $fields = array_diff_key($fields, $fieldsToIgnore);
 534       CRM_Core_Session::setStatus(ts('Some of the profile fields cannot be configured for this page.'));
 535     }
 536
 537     if (!empty($this->_fields)) {
 538       $fields = @array_diff_assoc($fields, $this->_fields);
 539     }
 540
 541     if (empty($this->_params[0]['additional_participants']) &&
 542       is_null($cid)
 543     ) {
 544       CRM_Core_BAO_Address::checkContactSharedAddressFields($fields, $contactID);
 545     }
 546     $this->assign($name, $fields);
 547     if (is_array($fields)) {
 548       $button = substr($this->controller->getButtonName(), -4);
 549       foreach ($fields as $key => $field) {
 550         //make the field optional if primary participant
 551         //have been skip the additional participant.
 552         if ($button == 'skip') {
 553           $field['is_required'] = FALSE;
 554         }
 555         CRM_Core_BAO_UFGroup::buildProfile($this, $field, CRM_Profile_Form::MODE_CREATE, $contactID, TRUE);
 556
 557         $this->_fields[$key] = $field;
 558       }
 559     }
 560   }
 561
 562   /**
 563    * Initiate event fee.
 564    *
 565    * @param CRM_Core_Form $form
 566    * @param int $eventID
 567    * @param bool $doNotIncludeExpiredFields
 568    *   See CRM-16456.
 569    *
 570    * @throws Exception
 571    */
 572   public static function initEventFee(&$form, $eventID, $doNotIncludeExpiredFields = TRUE) {
 573     // get price info
 574
 575     // retrive all active price set fields.
 576     $discountId = CRM_Core_BAO_Discount::findSet($eventID, 'civicrm_event');
 577     if (property_exists($form, '_discountId') && $form->_discountId) {
 578       $discountId = $form->_discountId;
 579     }
 580
 581     if ($discountId) {
 582       $priceSetId = CRM_Core_DAO::getFieldValue('CRM_Core_BAO_Discount', $discountId, 'price_set_id');
 583     }
 584     else {
 585       $priceSetId = CRM_Price_BAO_PriceSet::getFor('civicrm_event', $eventID);
 586     }
 587     CRM_Price_BAO_PriceSet::initSet($form, 'civicrm_event', $doNotIncludeExpiredFields, $priceSetId);
 588
 589     if (property_exists($form, '_context') && ($form->_context == 'standalone'
 590         || $form->_context == 'participant')
 591     ) {
 592       $discountedEvent = CRM_Core_BAO_Discount::getOptionGroup($eventID, 'civicrm_event');
 593       if (is_array($discountedEvent)) {
 594         foreach ($discountedEvent as $key => $priceSetId) {
 595           $priceSet = CRM_Price_BAO_PriceSet::getSetDetail($priceSetId);
 596           $priceSet = $priceSet[$priceSetId] ?? NULL;
 597           $form->_values['discount'][$key] = $priceSet['fields'] ?? NULL;
 598           $fieldID = key($form->_values['discount'][$key]);
 599           $form->_values['discount'][$key][$fieldID]['name'] = CRM_Core_DAO::getFieldValue(
 600             'CRM_Price_DAO_PriceSet',
 601             $priceSetId,
 602             'title'
 603           );
 604         }
 605       }
 606     }
 607     $eventFee = $form->_values['fee'] ?? NULL;
 608     if (!is_array($eventFee) || empty($eventFee)) {
 609       $form->_values['fee'] = [];
 610     }
 611
 612     //fix for non-upgraded price sets.CRM-4256.
 613     if (isset($form->_isPaidEvent)) {
 614       $isPaidEvent = $form->_isPaidEvent;
 615     }
 616     else {
 617       $isPaidEvent = $form->_values['event']['is_monetary'] ?? NULL;
 618     }
 619     if (CRM_Financial_BAO_FinancialType::isACLFinancialTypeStatus()
 620       && !empty($form->_values['fee'])
 621     ) {
 622       foreach ($form->_values['fee'] as $k => $fees) {
 623         foreach ($fees['options'] as $options) {
 624           if (!CRM_Core_Permission::check('add contributions of type ' . CRM_Contribute_PseudoConstant::financialType($options['financial_type_id']))) {
 625             unset($form->_values['fee'][$k]);
 626           }
 627         }
 628       }
 629     }
 630     if ($isPaidEvent && empty($form->_values['fee'])) {
 631       if (!in_array(CRM_Utils_System::getClassName($form), ['CRM_Event_Form_Participant', 'CRM_Event_Form_Task_Register'])) {
 632         CRM_Core_Error::statusBounce(ts('No Fee Level(s) or Price Set is configured for this event.<br />Click <a href=\'%1\'>CiviEvent >> Manage Event >> Configure >> Event Fees</a> to configure the Fee Level(s) or Price Set for this event.', [1 => CRM_Utils_System::url('civicrm/event/manage/fee', 'reset=1&action=update&id=' . $form->_eventId)]));
 633       }
 634     }
 635   }
 636
 637   /**
 638    * Handle process after the confirmation of payment by User.
 639    *
 640    * @param int $contactID
 641    * @param \CRM_Contribute_BAO_Contribution $contribution
 642    *
 643    * @throws \CiviCRM_API3_Exception
 644    */
 645   public function confirmPostProcess($contactID = NULL, $contribution = NULL) {
 646     // add/update contact information
 647     unset($this->_params['note']);
 648
 649     //to avoid conflict overwrite $this->_params
 650     $this->_params = $this->get('value');
 651
 652     //get the amount of primary participant
 653     if (!empty($this->_params['is_primary'])) {
 654       $this->_params['fee_amount'] = $this->get('primaryParticipantAmount');
 655     }
 656
 657     // add participant record
 658     $participant = $this->addParticipant($this, $contactID);
 659     $this->_participantIDS[] = $participant->id;
 660
 661     //setting register_by_id field and primaryContactId
 662     if (!empty($this->_params['is_primary'])) {
 663       $this->set('registerByID', $participant->id);
 664       $this->set('primaryContactId', $contactID);
 665
 666       // CRM-10032
 667       $this->processFirstParticipant($participant->id);
 668     }
 669
 670     if (!empty($this->_params['is_primary'])) {
 671       $this->_params['participantID'] = $participant->id;
 672       $this->set('primaryParticipant', $this->_params);
 673     }
 674
 675     $createPayment = (CRM_Utils_Array::value('amount', $this->_params, 0) != 0) ? TRUE : FALSE;
 676
 677     // force to create zero amount payment, CRM-5095
 678     // we know the amout is zero since createPayment is false
 679     if (!$createPayment &&
 680       (isset($contribution) && $contribution->id) &&
 681       $this->_priceSetId &&
 682       $this->_lineItem
 683     ) {
 684       $createPayment = TRUE;
 685     }
 686
 687     if ($createPayment && $this->_values['event']['is_monetary'] && !empty($this->_params['contributionID'])) {
 688       $paymentParams = [
 689         'participant_id' => $participant->id,
 690         'contribution_id' => $contribution->id,
 691       ];
 692       civicrm_api3('ParticipantPayment', 'create', $paymentParams);
 693     }
 694
 695     $this->assign('action', $this->_action);
 696
 697     // create CMS user
 698     if (!empty($this->_params['cms_create_account'])) {
 699       $this->_params['contactID'] = $contactID;
 700
 701       if (array_key_exists('email-5', $this->_params)) {
 702         $mail = 'email-5';
 703       }
 704       else {
 705         foreach ($this->_params as $name => $dontCare) {
 706           if (substr($name, 0, 5) == 'email') {
 707             $mail = $name;
 708             break;
 709           }
 710         }
 711       }
 712
 713       // we should use primary email for
 714       // 1. pay later participant.
 715       // 2. waiting list participant.
 716       // 3. require approval participant.
 717       if (!empty($this->_params['is_pay_later']) ||
 718         $this->_allowWaitlist || $this->_requireApproval
 719       ) {
 720         $mail = 'email-Primary';
 721       }
 722
 723       if (!CRM_Core_BAO_CMSUser::create($this->_params, $mail)) {
 724         CRM_Core_Error::statusBounce(ts('Your profile is not saved and Account is not created.'));
 725       }
 726     }
 727   }
 728
 729   /**
 730    * Process the participant.
 731    *
 732    * @param CRM_Core_Form $form
 733    * @param int $contactID
 734    *
 735    * @return \CRM_Event_BAO_Participant
 736    * @throws \CiviCRM_API3_Exception
 737    */
 738   protected function addParticipant(&$form, $contactID) {
 739     if (empty($form->_params)) {
 740       return NULL;
 741     }
 742     // Note this used to be shared with the backoffice form & no longer is, some code may no longer be required.
 743     $params = $form->_params;
 744     $transaction = new CRM_Core_Transaction();
 745
 746     // handle register date CRM-4320
 747     $registerDate = NULL;
 748     if (!empty($form->_allowConfirmation) && $form->_participantId) {
 749       $registerDate = $params['participant_register_date'];
 750     }
 751     elseif (!empty($params['participant_register_date']) &&
 752       is_array($params['participant_register_date']) &&
 753       !empty($params['participant_register_date'])
 754     ) {
 755       $registerDate = CRM_Utils_Date::format($params['participant_register_date']);
 756     }
 757
 758     $participantFields = CRM_Event_DAO_Participant::fields();
 759     $participantParams = [
 760       'id' => $params['participant_id'] ?? NULL,
 761       'contact_id' => $contactID,
 762       'event_id' => $form->_eventId ? $form->_eventId : $params['event_id'],
 763       'status_id' => CRM_Utils_Array::value('participant_status',
 764         $params, 1
 765       ),
 766       'role_id' => CRM_Utils_Array::value('participant_role_id', $params) ?: CRM_Event_BAO_Participant::getDefaultRoleID(),
 767       'register_date' => ($registerDate) ? $registerDate : date('YmdHis'),
 768       'source' => CRM_Utils_String::ellipsify(
 769         isset($params['participant_source']) ? CRM_Utils_Array::value('participant_source', $params) : CRM_Utils_Array::value('description', $params),
 770         $participantFields['participant_source']['maxlength']
 771       ),
 772       'fee_level' => $params['amount_level'] ?? NULL,
 773       'is_pay_later' => CRM_Utils_Array::value('is_pay_later', $params, 0),
 774       'fee_amount' => $params['fee_amount'] ?? NULL,
 775       'registered_by_id' => $params['registered_by_id'] ?? NULL,
 776       'discount_id' => $params['discount_id'] ?? NULL,
 777       'fee_currency' => $params['currencyID'] ?? NULL,
 778       'campaign_id' => $params['campaign_id'] ?? NULL,
 779     ];
 780
 781     if ($form->_action & CRM_Core_Action::PREVIEW || CRM_Utils_Array::value('mode', $params) == 'test') {
 782       $participantParams['is_test'] = 1;
 783     }
 784     else {
 785       $participantParams['is_test'] = 0;
 786     }
 787
 788     if (!empty($form->_params['note'])) {
 789       $participantParams['note'] = $form->_params['note'];
 790     }
 791     elseif (!empty($form->_params['participant_note'])) {
 792       $participantParams['note'] = $form->_params['participant_note'];
 793     }
 794
 795     // reuse id if one already exists for this one (can happen
 796     // with back button being hit etc)
 797     if (!$participantParams['id'] && !empty($params['contributionID'])) {
 798       $pID = CRM_Core_DAO::getFieldValue('CRM_Event_DAO_ParticipantPayment',
 799         $params['contributionID'],
 800         'participant_id',
 801         'contribution_id'
 802       );
 803       $participantParams['id'] = $pID;
 804     }
 805     $participantParams['discount_id'] = CRM_Core_BAO_Discount::findSet($form->_eventId, 'civicrm_event');
 806
 807     if (!$participantParams['discount_id']) {
 808       $participantParams['discount_id'] = "null";
 809     }
 810
 811     $participantParams['custom'] = [];
 812     foreach ($form->_params as $paramName => $paramValue) {
 813       if (strpos($paramName, 'custom_') === 0) {
 814         list($customFieldID, $customValueID) = CRM_Core_BAO_CustomField::getKeyID($paramName, TRUE);
 815         CRM_Core_BAO_CustomField::formatCustomField($customFieldID, $participantParams['custom'], $paramValue, 'Participant', $customValueID);
 816
 817       }
 818     }
 819
 820     $participant = CRM_Event_BAO_Participant::create($participantParams);
 821
 822     $transaction->commit();
 823
 824     return $participant;
 825   }
 826
 827   /**
 828    * Calculate the total participant count as per params.
 829    *
 830    * @param CRM_Core_Form $form
 831    * @param array $params
 832    *   User params.
 833    * @param bool $skipCurrent
 834    *
 835    * @return int
 836    */
 837   public static function getParticipantCount(&$form, $params, $skipCurrent = FALSE) {
 838     $totalCount = 0;
 839     if (!is_array($params) || empty($params)) {
 840       return $totalCount;
 841     }
 842
 843     $priceSetId = $form->get('priceSetId');
 844     $addParticipantNum = substr($form->_name, 12);
 845     $priceSetFields = $priceSetDetails = [];
 846     $hasPriceFieldsCount = FALSE;
 847     if ($priceSetId) {
 848       $priceSetDetails = $form->get('priceSet');
 849       if (isset($priceSetDetails['optionsCountTotal'])
 850         && $priceSetDetails['optionsCountTotal']
 851       ) {
 852         $hasPriceFieldsCount = TRUE;
 853         $priceSetFields = $priceSetDetails['optionsCountDetails']['fields'];
 854       }
 855     }
 856
 857     $singleFormParams = FALSE;
 858     foreach ($params as $key => $val) {
 859       if (!is_numeric($key)) {
 860         $singleFormParams = TRUE;
 861         break;
 862       }
 863     }
 864
 865     //first format the params.
 866     if ($singleFormParams) {
 867       $params = self::formatPriceSetParams($form, $params);
 868       $params = [$params];
 869     }
 870
 871     foreach ($params as $key => $values) {
 872       if (!is_numeric($key) ||
 873         $values == 'skip' ||
 874         ($skipCurrent && ($addParticipantNum == $key))
 875       ) {
 876         continue;
 877       }
 878       $count = 1;
 879
 880       $usedCache = FALSE;
 881       $cacheCount = $form->_lineItemParticipantsCount[$key] ?? NULL;
 882       if ($cacheCount && is_numeric($cacheCount)) {
 883         $count = $cacheCount;
 884         $usedCache = TRUE;
 885       }
 886
 887       if (!$usedCache && $hasPriceFieldsCount) {
 888         $count = 0;
 889         foreach ($values as $valKey => $value) {
 890           if (strpos($valKey, 'price_') === FALSE) {
 891             continue;
 892           }
 893           $priceFieldId = substr($valKey, 6);
 894           if (!$priceFieldId ||
 895             !is_array($value) ||
 896             !array_key_exists($priceFieldId, $priceSetFields)
 897           ) {
 898             continue;
 899           }
 900           foreach ($value as $optId => $optVal) {
 901             $currentCount = $priceSetFields[$priceFieldId]['options'][$optId] * $optVal;
 902             if ($currentCount) {
 903               $count += $currentCount;
 904             }
 905           }
 906         }
 907         if (!$count) {
 908           $count = 1;
 909         }
 910       }
 911       $totalCount += $count;
 912     }
 913     if (!$totalCount) {
 914       $totalCount = 1;
 915     }
 916
 917     return $totalCount;
 918   }
 919
 920   /**
 921    * Format user submitted price set params.
 922    *
 923    * Convert price set each param as an array.
 924    *
 925    * @param CRM_Core_Form $form
 926    * @param array $params
 927    *   An array of user submitted params.
 928    *
 929    * @return array
 930    *   Formatted price set params.
 931    */
 932   public static function formatPriceSetParams(&$form, $params) {
 933     if (!is_array($params) || empty($params)) {
 934       return $params;
 935     }
 936
 937     $priceSetId = $form->get('priceSetId');
 938     if (!$priceSetId) {
 939       return $params;
 940     }
 941     $priceSetDetails = $form->get('priceSet');
 942
 943     foreach ($params as $key => & $value) {
 944       $vals = [];
 945       if (strpos($key, 'price_') !== FALSE) {
 946         $fieldId = substr($key, 6);
 947         if (!array_key_exists($fieldId, $priceSetDetails['fields']) ||
 948           is_array($value) ||
 949           !$value
 950         ) {
 951           continue;
 952         }
 953         $field = $priceSetDetails['fields'][$fieldId];
 954         if ($field['html_type'] == 'Text') {
 955           $fieldOption = current($field['options']);
 956           $value = [$fieldOption['id'] => $value];
 957         }
 958         else {
 959           $value = [$value => TRUE];
 960         }
 961       }
 962     }
 963
 964     return $params;
 965   }
 966
 967   /**
 968    * Calculate total count for each price set options.
 969    *
 970    * - currently selected by user.
 971    *
 972    * @param CRM_Core_Form $form
 973    *   Form object.
 974    *
 975    * @return array
 976    *   array of each option w/ count total.
 977    */
 978   public static function getPriceSetOptionCount(&$form) {
 979     $params = $form->get('params');
 980     $priceSet = $form->get('priceSet');
 981     $priceSetId = $form->get('priceSetId');
 982
 983     $optionsCount = [];
 984     if (!$priceSetId ||
 985       !is_array($priceSet) ||
 986       empty($priceSet) ||
 987       !is_array($params) ||
 988       empty($params)
 989     ) {
 990       return $optionsCount;
 991     }
 992
 993     $priceSetFields = $priceMaxFieldDetails = [];
 994     if (!empty($priceSet['optionsCountTotal'])) {
 995       $priceSetFields = $priceSet['optionsCountDetails']['fields'];
 996     }
 997
 998     if (!empty($priceSet['optionsMaxValueTotal'])) {
 999       $priceMaxFieldDetails = $priceSet['optionsMaxValueDetails']['fields'];
1000     }
1001
1002     $addParticipantNum = substr($form->_name, 12);
1003     foreach ($params as $pCnt => $values) {
1004       if ($values == 'skip' ||
1005         $pCnt === $addParticipantNum
1006       ) {
1007         continue;
1008       }
1009
1010       foreach ($values as $valKey => $value) {
1011         if (strpos($valKey, 'price_') === FALSE) {
1012           continue;
1013         }
1014
1015         $priceFieldId = substr($valKey, 6);
1016         if (!$priceFieldId ||
1017           !is_array($value) ||
1018           !(array_key_exists($priceFieldId, $priceSetFields) || array_key_exists($priceFieldId, $priceMaxFieldDetails))
1019         ) {
1020           continue;
1021         }
1022
1023         foreach ($value as $optId => $optVal) {
1024           if (CRM_Utils_Array::value('html_type', $priceSet['fields'][$priceFieldId]) == 'Text') {
1025             $currentCount = $optVal;
1026           }
1027           else {
1028             $currentCount = 1;
1029           }
1030
1031           if (isset($priceSetFields[$priceFieldId]) && isset($priceSetFields[$priceFieldId]['options'][$optId])) {
1032             $currentCount = $priceSetFields[$priceFieldId]['options'][$optId] * $optVal;
1033           }
1034
1035           $optionsCount[$optId] = $currentCount + CRM_Utils_Array::value($optId, $optionsCount, 0);
1036         }
1037       }
1038     }
1039
1040     return $optionsCount;
1041   }
1042
1043   /**
1044    * Check template file exists.
1045    *
1046    * @param string|null $suffix
1047    *
1048    * @return string|null
1049    *   Template file path, else null
1050    */
1051   public function checkTemplateFileExists($suffix = NULL) {
1052     if ($this->_eventId) {
1053       $templateName = $this->_name;
1054       if (substr($templateName, 0, 12) == 'Participant_') {
1055         $templateName = 'AdditionalParticipant';
1056       }
1057
1058       $templateFile = "CRM/Event/Form/Registration/{$this->_eventId}/{$templateName}.{$suffix}tpl";
1059       $template = CRM_Core_Form::getTemplate();
1060       if ($template->template_exists($templateFile)) {
1061         return $templateFile;
1062       }
1063     }
1064     return NULL;
1065   }
1066
1067   /**
1068    * Get template file name.
1069    *
1070    * @return null|string
1071    */
1072   public function getTemplateFileName() {
1073     $fileName = $this->checkTemplateFileExists();
1074     return $fileName ? $fileName : parent::getTemplateFileName();
1075   }
1076
1077   /**
1078    * Override extra template name.
1079    *
1080    * @return null|string
1081    */
1082   public function overrideExtraTemplateFileName() {
1083     $fileName = $this->checkTemplateFileExists('extra.');
1084     return $fileName ? $fileName : parent::overrideExtraTemplateFileName();
1085   }
1086
1087   /**
1088    * Reset values for all options those are full.
1089    *
1090    * @param array $optionFullIds
1091    * @param CRM_Core_Form $form
1092    */
1093   public static function resetElementValue($optionFullIds, &$form) {
1094     if (!is_array($optionFullIds) ||
1095       empty($optionFullIds) ||
1096       !$form->isSubmitted()
1097     ) {
1098       return;
1099     }
1100
1101     foreach ($optionFullIds as $fldId => $optIds) {
1102       $name = "price_$fldId";
1103       if (!$form->elementExists($name)) {
1104         continue;
1105       }
1106
1107       $element = $form->getElement($name);
1108       $eleType = $element->getType();
1109
1110       $resetSubmitted = FALSE;
1111       switch ($eleType) {
1112         case 'text':
1113           if ($element->getValue() && $element->isFrozen()) {
1114             $label = "{$element->getLabel()}<tt>(x)</tt>";
1115             $element->setLabel($label);
1116             $element->setPersistantFreeze();
1117             $resetSubmitted = TRUE;
1118           }
1119           break;
1120
1121         case 'group':
1122           if (is_array($element->_elements)) {
1123             foreach ($element->_elements as $child) {
1124               $childType = $child->getType();
1125               $methodName = 'getName';
1126               if ($childType) {
1127                 $methodName = 'getValue';
1128               }
1129               if (in_array($child->{$methodName}(), $optIds) && $child->isFrozen()) {
1130                 $resetSubmitted = TRUE;
1131                 $child->setPersistantFreeze();
1132               }
1133             }
1134           }
1135           break;
1136
1137         case 'select':
1138           $value = $element->getValue();
1139           if (in_array($value[0], $optIds)) {
1140             foreach ($element->_options as $option) {
1141               if ($option['attr']['value'] === "crm_disabled_opt-{$value[0]}") {
1142                 $placeholder = html_entity_decode($option['text'], ENT_QUOTES, "UTF-8");
1143                 $element->updateAttributes(['placeholder' => $placeholder]);
1144                 break;
1145               }
1146             }
1147             $resetSubmitted = TRUE;
1148           }
1149           break;
1150       }
1151
1152       //finally unset values from submitted.
1153       if ($resetSubmitted) {
1154         self::resetSubmittedValue($name, $optIds, $form);
1155       }
1156     }
1157   }
1158
1159   /**
1160    * Reset submitted value.
1161    *
1162    * @param string $elementName
1163    * @param array $optionIds
1164    * @param CRM_Core_Form $form
1165    */
1166   public static function resetSubmittedValue($elementName, $optionIds, &$form) {
1167     if (empty($elementName) ||
1168       !$form->elementExists($elementName) ||
1169       !$form->getSubmitValue($elementName)
1170     ) {
1171       return;
1172     }
1173     foreach (['constantValues', 'submitValues', 'defaultValues'] as $val) {
1174       $values = $form->{"_$val"};
1175       if (!is_array($values) || empty($values)) {
1176         continue;
1177       }
1178       $eleVal = $values[$elementName] ?? NULL;
1179       if (empty($eleVal)) {
1180         continue;
1181       }
1182       if (is_array($eleVal)) {
1183         $found = FALSE;
1184         foreach ($eleVal as $keyId => $ignore) {
1185           if (in_array($keyId, $optionIds)) {
1186             $found = TRUE;
1187             unset($values[$elementName][$keyId]);
1188           }
1189         }
1190         if ($found && empty($values[$elementName][$keyId])) {
1191           $values[$elementName][$keyId] = NULL;
1192         }
1193       }
1194       else {
1195         if (!empty($keyId)) {
1196           $values[$elementName][$keyId] = NULL;
1197         }
1198       }
1199     }
1200   }
1201
1202   /**
1203    * Validate price set submitted params for price option limit.
1204    *
1205    * User should select at least one price field option.
1206    *
1207    * @param CRM_Core_Form $form
1208    * @param array $params
1209    *
1210    * @return array
1211    */
1212   public static function validatePriceSet(&$form, $params) {
1213     $errors = [];
1214     $hasOptMaxValue = FALSE;
1215     if (!is_array($params) || empty($params)) {
1216       return $errors;
1217     }
1218
1219     $currentParticipantNum = substr($form->_name, 12);
1220     if (!$currentParticipantNum) {
1221       $currentParticipantNum = 0;
1222     }
1223
1224     $priceSetId = $form->get('priceSetId');
1225     $priceSetDetails = $form->get('priceSet');
1226     if (
1227       !$priceSetId ||
1228       !is_array($priceSetDetails) ||
1229       empty($priceSetDetails)
1230     ) {
1231       return $errors;
1232     }
1233
1234     $optionsCountDetails = $optionsMaxValueDetails = [];
1235     if (
1236       isset($priceSetDetails['optionsMaxValueTotal'])
1237       && $priceSetDetails['optionsMaxValueTotal']
1238     ) {
1239       $hasOptMaxValue = TRUE;
1240       $optionsMaxValueDetails = $priceSetDetails['optionsMaxValueDetails']['fields'];
1241     }
1242     if (
1243       isset($priceSetDetails['optionsCountTotal'])
1244       && $priceSetDetails['optionsCountTotal']
1245     ) {
1246       $hasOptCount = TRUE;
1247       $optionsCountDetails = $priceSetDetails['optionsCountDetails']['fields'];
1248     }
1249     $feeBlock = $form->_feeBlock;
1250
1251     if (empty($feeBlock)) {
1252       $feeBlock = $priceSetDetails['fields'];
1253     }
1254
1255     $optionMaxValues = $fieldSelected = [];
1256     foreach ($params as $pNum => $values) {
1257       if (!is_array($values) || $values == 'skip') {
1258         continue;
1259       }
1260
1261       foreach ($values as $valKey => $value) {
1262         if (strpos($valKey, 'price_') === FALSE) {
1263           continue;
1264         }
1265         $priceFieldId = substr($valKey, 6);
1266         $noneOptionValueSelected = FALSE;
1267         if (!$feeBlock[$priceFieldId]['is_required'] && $value == 0) {
1268           $noneOptionValueSelected = TRUE;
1269         }
1270
1271         if (
1272           !$priceFieldId ||
1273           (!$noneOptionValueSelected && !is_array($value))
1274         ) {
1275           continue;
1276         }
1277
1278         $fieldSelected[$pNum] = TRUE;
1279
1280         if (!$hasOptMaxValue || !is_array($value)) {
1281           continue;
1282         }
1283
1284         foreach ($value as $optId => $optVal) {
1285           if (CRM_Utils_Array::value('html_type', $feeBlock[$priceFieldId]) == 'Text') {
1286             $currentMaxValue = $optVal;
1287           }
1288           else {
1289             $currentMaxValue = 1;
1290           }
1291
1292           if (isset($optionsCountDetails[$priceFieldId]) && isset($optionsCountDetails[$priceFieldId]['options'][$optId])) {
1293             $currentMaxValue = $optionsCountDetails[$priceFieldId]['options'][$optId] * $optVal;
1294           }
1295           if (empty($optionMaxValues)) {
1296             $optionMaxValues[$priceFieldId][$optId] = $currentMaxValue;
1297           }
1298           else {
1299             $optionMaxValues[$priceFieldId][$optId]
1300               = $currentMaxValue + CRM_Utils_Array::value($optId, CRM_Utils_Array::value($priceFieldId, $optionMaxValues), 0);
1301           }
1302           $soldOutPnum[$optId] = $pNum;
1303         }
1304       }
1305
1306       //validate for price field selection.
1307       if (empty($fieldSelected[$pNum])) {
1308         $errors[$pNum]['_qf_default'] = ts('SELECT at least one OPTION FROM EVENT Fee(s).');
1309       }
1310     }
1311
1312     //validate for option max value.
1313     foreach ($optionMaxValues as $fieldId => $values) {
1314       $options = CRM_Utils_Array::value('options', $feeBlock[$fieldId], []);
1315       foreach ($values as $optId => $total) {
1316         $optMax = $optionsMaxValueDetails[$fieldId]['options'][$optId];
1317         $opDbCount = CRM_Utils_Array::value('db_total_count', $options[$optId], 0);
1318         $total += $opDbCount;
1319         if ($optMax && ($total > $optMax)) {
1320           if ($opDbCount && ($opDbCount >= $optMax)) {
1321             $errors[$soldOutPnum[$optId]]["price_{$fieldId}"]
1322               = ts('Sorry, this option is currently sold out.');
1323           }
1324           elseif (($optMax - $opDbCount) == 1) {
1325             $errors[$soldOutPnum[$optId]]["price_{$fieldId}"]
1326               = ts('Sorry, currently only a single space is available for this option.', [1 => ($optMax - $opDbCount)]);
1327           }
1328           else {
1329             $errors[$soldOutPnum[$optId]]["price_{$fieldId}"]
1330               = ts('Sorry, currently only %1 spaces are available for this option.', [1 => ($optMax - $opDbCount)]);
1331           }
1332         }
1333       }
1334     }
1335     return $errors;
1336   }
1337
1338   /**
1339    * Set the first participant ID if not set.
1340    *
1341    * CRM-10032.
1342    *
1343    * @param int $participantID
1344    */
1345   public function processFirstParticipant($participantID) {
1346     $this->_participantId = $participantID;
1347     $this->set('participantId', $this->_participantId);
1348
1349     $ids = $participantValues = [];
1350     $participantParams = ['id' => $this->_participantId];
1351     CRM_Event_BAO_Participant::getValues($participantParams, $participantValues, $ids);
1352     $this->_values['participant'] = $participantValues[$this->_participantId];
1353     $this->set('values', $this->_values);
1354
1355     // also set the allow confirmation stuff
1356     if (array_key_exists(
1357       $this->_values['participant']['status_id'],
1358       CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Pending'")
1359     )) {
1360       $this->_allowConfirmation = TRUE;
1361       $this->set('allowConfirmation', TRUE);
1362     }
1363   }
1364
1365   /**
1366    * Check if event is valid.
1367    *
1368    * @todo - combine this with CRM_Event_BAO_Event::validRegistrationRequest
1369    * (probably extract relevant values here & call that with them & handle bounces & redirects here -as
1370    * those belong in the form layer)
1371    *
1372    */
1373   protected function checkValidEvent(): void {
1374     // is the event active (enabled)?
1375     if (!$this->_values['event']['is_active']) {
1376       // form is inactive, die a fatal death
1377       CRM_Core_Error::statusBounce(ts('The event you requested is currently unavailable (contact the site administrator for assistance).'));
1378     }
1379
1380     // is online registration is enabled?
1381     if (!$this->_values['event']['is_online_registration']) {
1382       CRM_Core_Error::statusBounce(ts('Online registration is not currently available for this event (contact the site administrator for assistance).'), $this->getInfoPageUrl());
1383     }
1384
1385     // is this an event template ?
1386     if (!empty($this->_values['event']['is_template'])) {
1387       CRM_Core_Error::statusBounce(ts('Event templates are not meant to be registered.'), $this->getInfoPageUrl());
1388     }
1389
1390     $now = date('YmdHis');
1391     $startDate = CRM_Utils_Date::processDate(CRM_Utils_Array::value('registration_start_date',
1392       $this->_values['event']
1393     ));
1394
1395     if (
1396       $startDate &&
1397       $startDate >= $now
1398     ) {
1399       CRM_Core_Error::statusBounce(ts('Registration for this event begins on %1', [1 => CRM_Utils_Date::customFormat(CRM_Utils_Array::value('registration_start_date', $this->_values['event']))]), $this->getInfoPageUrl(), ts('Sorry'));
1400     }
1401
1402     $regEndDate = CRM_Utils_Date::processDate(CRM_Utils_Array::value('registration_end_date',
1403       $this->_values['event']
1404     ));
1405     $eventEndDate = CRM_Utils_Date::processDate(CRM_Utils_Array::value('event_end_date', $this->_values['event']));
1406     if (($regEndDate && ($regEndDate < $now)) || (empty($regEndDate) && !empty($eventEndDate) && ($eventEndDate < $now))) {
1407       $endDate = CRM_Utils_Date::customFormat(CRM_Utils_Array::value('registration_end_date', $this->_values['event']));
1408       if (empty($regEndDate)) {
1409         $endDate = CRM_Utils_Date::customFormat(CRM_Utils_Array::value('event_end_date', $this->_values['event']));
1410       }
1411       CRM_Core_Error::statusBounce(ts('Registration for this event ended on %1', [1 => $endDate]), $this->getInfoPageUrl(), ts('Sorry'));
1412     }
1413   }
1414
1415   /**
1416    * Get the amount level for the event payment.
1417    *
1418    * The amount level is the string stored on the contribution record that describes the purchase.
1419    *
1420    * @param array $params
1421    * @param int|null $discountID
1422    *
1423    * @return string
1424    */
1425   protected function getAmountLevel($params, $discountID) {
1426     // @todo move handling of discount ID to the BAO function - preferably by converting it to a price_set with
1427     // time settings.
1428     if (!empty($this->_values['discount'][$discountID])) {
1429       return $this->_values['discount'][$discountID][$params['amount']]['label'];
1430     }
1431     if (empty($params['priceSetId'])) {
1432       // CRM-17509 An example of this is where the person is being waitlisted & there is no payment.
1433       // ideally we would have calculated amount first & only call this is there is an
1434       // amount but the flow needs more changes for that.
1435       return '';
1436     }
1437     return CRM_Price_BAO_PriceSet::getAmountLevelText($params);
1438   }
1439
1440   /**
1441    * Process Registration of free event.
1442    *
1443    * @param array $params
1444    *   Form values.
1445    * @param int $contactID
1446    *
1447    * @throws \CiviCRM_API3_Exception
1448    */
1449   public function processRegistration($params, $contactID = NULL) {
1450     $session = CRM_Core_Session::singleton();
1451     $this->_participantInfo = [];
1452
1453     // CRM-4320, lets build array of cancelled additional participant ids
1454     // those are drop or skip by primary at the time of confirmation.
1455     // get all in and then unset those are confirmed.
1456     $cancelledIds = $this->_additionalParticipantIds;
1457
1458     $participantCount = [];
1459     foreach ($params as $participantNum => $record) {
1460       if ($record == 'skip') {
1461         $participantCount[$participantNum] = 'skip';
1462       }
1463       elseif ($participantNum) {
1464         $participantCount[$participantNum] = 'participant';
1465       }
1466     }
1467
1468     $registerByID = NULL;
1469     foreach ($params as $key => $value) {
1470       if ($value != 'skip') {
1471         $fields = NULL;
1472
1473         // setting register by Id and unset contactId.
1474         if (empty($value['is_primary'])) {
1475           $contactID = NULL;
1476           $registerByID = $this->get('registerByID');
1477           if ($registerByID) {
1478             $value['registered_by_id'] = $registerByID;
1479           }
1480           // get an email if one exists for the participant
1481           $participantEmail = '';
1482           foreach (array_keys($value) as $valueName) {
1483             if (substr($valueName, 0, 6) == 'email-') {
1484               $participantEmail = $value[$valueName];
1485             }
1486           }
1487           if ($participantEmail) {
1488             $this->_participantInfo[] = $participantEmail;
1489           }
1490           else {
1491             $this->_participantInfo[] = $value['first_name'] . ' ' . $value['last_name'];
1492           }
1493         }
1494         elseif (!empty($value['contact_id'])) {
1495           $contactID = $value['contact_id'];
1496         }
1497         else {
1498           $contactID = $this->getContactID();
1499         }
1500
1501         CRM_Event_Form_Registration_Confirm::fixLocationFields($value, $fields, $this);
1502         //for free event or additional participant, dont create billing email address.
1503         if (empty($value['is_primary']) || !$this->_values['event']['is_monetary']) {
1504           unset($value["email-{$this->_bltID}"]);
1505         }
1506
1507         $contactID = CRM_Event_Form_Registration_Confirm::updateContactFields($contactID, $value, $fields, $this);
1508
1509         // lets store the contactID in the session
1510         // we dont store in userID in case the user is doing multiple
1511         // transactions etc
1512         // for things like tell a friend
1513         if (!$this->getContactID() && !empty($value['is_primary'])) {
1514           $session->set('transaction.userID', $contactID);
1515         }
1516
1517         //lets get the status if require approval or waiting.
1518
1519         $waitingStatuses = CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Waiting'");
1520         if ($this->_allowWaitlist && !$this->_allowConfirmation) {
1521           $value['participant_status_id'] = $value['participant_status'] = array_search('On waitlist', $waitingStatuses);
1522         }
1523         elseif ($this->_requireApproval && !$this->_allowConfirmation) {
1524           $value['participant_status_id'] = $value['participant_status'] = array_search('Awaiting approval', $waitingStatuses);
1525         }
1526
1527         $this->set('value', $value);
1528         $this->confirmPostProcess($contactID, NULL);
1529
1530         //lets get additional participant id to cancel.
1531         if ($this->_allowConfirmation && is_array($cancelledIds)) {
1532           $additionalId = $value['participant_id'] ?? NULL;
1533           if ($additionalId && $key = array_search($additionalId, $cancelledIds)) {
1534             unset($cancelledIds[$key]);
1535           }
1536         }
1537       }
1538     }
1539
1540     // update status and send mail to cancelled additional participants, CRM-4320
1541     if ($this->_allowConfirmation && is_array($cancelledIds) && !empty($cancelledIds)) {
1542       $cancelledId = array_search('Cancelled',
1543         CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Negative'")
1544       );
1545       CRM_Event_BAO_Participant::transitionParticipants($cancelledIds, $cancelledId);
1546     }
1547
1548     //set information about additional participants if exists
1549     if (count($this->_participantInfo)) {
1550       $this->set('participantInfo', $this->_participantInfo);
1551     }
1552
1553     //send mail Confirmation/Receipt
1554     if ($this->_contributeMode != 'checkout' ||
1555       $this->_contributeMode != 'notify'
1556     ) {
1557       $this->sendMails($params, $registerByID, $participantCount);
1558     }
1559   }
1560
1561   /**
1562    * Send Mail to participants.
1563    *
1564    * @param $params
1565    * @param $registerByID
1566    * @param array $participantCount
1567    *
1568    * @throws \CiviCRM_API3_Exception
1569    */
1570   private function sendMails($params, $registerByID, array $participantCount) {
1571     $isTest = FALSE;
1572     if ($this->_action & CRM_Core_Action::PREVIEW) {
1573       $isTest = TRUE;
1574     }
1575
1576     //handle if no additional participant.
1577     if (!$registerByID) {
1578       $registerByID = $this->get('registerByID');
1579     }
1580     $primaryContactId = $this->get('primaryContactId');
1581
1582     //build an array of custom profile and assigning it to template.
1583     $additionalIDs = CRM_Event_BAO_Event::buildCustomProfile($registerByID, NULL,
1584       $primaryContactId, $isTest, TRUE
1585     );
1586
1587     //lets carry all participant params w/ values.
1588     foreach ($additionalIDs as $participantID => $contactId) {
1589       $participantNum = NULL;
1590       if ($participantID == $registerByID) {
1591         $participantNum = 0;
1592       }
1593       else {
1594         if ($participantNum = array_search('participant', $participantCount)) {
1595           unset($participantCount[$participantNum]);
1596         }
1597       }
1598
1599       if ($participantNum === NULL) {
1600         break;
1601       }
1602
1603       //carry the participant submitted values.
1604       $this->_values['params'][$participantID] = $params[$participantNum];
1605     }
1606
1607     //lets send  mails to all with meanigful text, CRM-4320.
1608     $this->assign('isOnWaitlist', $this->_allowWaitlist);
1609     $this->assign('isRequireApproval', $this->_requireApproval);
1610
1611     foreach ($additionalIDs as $participantID => $contactId) {
1612       if ($participantID == $registerByID) {
1613         //set as Primary Participant
1614         $this->assign('isPrimary', 1);
1615
1616         $customProfile = CRM_Event_BAO_Event::buildCustomProfile($participantID, $this->_values, NULL, $isTest);
1617
1618         if (count($customProfile)) {
1619           $this->assign('customProfile', $customProfile);
1620           $this->set('customProfile', $customProfile);
1621         }
1622       }
1623       else {
1624         $this->assign('isPrimary', 0);
1625         $this->assign('customProfile', NULL);
1626       }
1627
1628       //send Confirmation mail to Primary & additional Participants if exists
1629       CRM_Event_BAO_Event::sendMail($contactId, $this->_values, $participantID, $isTest);
1630     }
1631   }
1632
1633   /**
1634    * Get redirect URL to send folks back to event info page is registration not available.
1635    *
1636    * @return string
1637    */
1638   private function getInfoPageUrl(): string {
1639     return CRM_Utils_System::url('civicrm/event/info', 'reset=1&id=' . $this->getEventID(),
1640       FALSE, NULL, FALSE, TRUE
1641     );
1642   }
1643
1644 }