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       // check for is_monetary status
 234       $isMonetary = $this->_values['event']['is_monetary'] ?? NULL;
 235       // check for ability to add contributions of type
 236       if ($isMonetary
 237         && CRM_Financial_BAO_FinancialType::isACLFinancialTypeStatus()
 238         && !CRM_Core_Permission::check('add contributions of type ' . CRM_Contribute_PseudoConstant::financialType($this->_values['event']['financial_type_id']))
 239       ) {
 240         CRM_Core_Error::statusBounce(ts('You do not have permission to access this page.'));
 241       }
 242
 243       $this->checkValidEvent();
 244       // get the participant values, CRM-4320
 245       $this->_allowConfirmation = FALSE;
 246       if ($this->_participantId) {
 247         $this->processFirstParticipant($this->_participantId);
 248       }
 249       //check for additional participants.
 250       if ($this->_allowConfirmation && $this->_values['event']['is_multiple_registrations']) {
 251         $additionalParticipantIds = CRM_Event_BAO_Participant::getAdditionalParticipantIds($this->_participantId);
 252         $cnt = 1;
 253         foreach ($additionalParticipantIds as $additionalParticipantId) {
 254           $this->_additionalParticipantIds[$cnt] = $additionalParticipantId;
 255           $cnt++;
 256         }
 257         $this->set('additionalParticipantIds', $this->_additionalParticipantIds);
 258       }
 259
 260       $eventFull = CRM_Event_BAO_Participant::eventFull($this->_eventId, FALSE,
 261         CRM_Utils_Array::value('has_waitlist', $this->_values['event'])
 262       );
 263
 264       $this->_allowWaitlist = $this->_isEventFull = FALSE;
 265       if ($eventFull && !$this->_allowConfirmation) {
 266         $this->_isEventFull = TRUE;
 267         //lets redirecting to info only when to waiting list.
 268         $this->_allowWaitlist = $this->_values['event']['has_waitlist'] ?? NULL;
 269         if (!$this->_allowWaitlist) {
 270           CRM_Utils_System::redirect($this->getInfoPageUrl());
 271         }
 272       }
 273       $this->set('isEventFull', $this->_isEventFull);
 274       $this->set('allowWaitlist', $this->_allowWaitlist);
 275
 276       //check for require requires approval.
 277       $this->_requireApproval = FALSE;
 278       if (!empty($this->_values['event']['requires_approval']) && !$this->_allowConfirmation) {
 279         $this->_requireApproval = TRUE;
 280       }
 281       $this->set('requireApproval', $this->_requireApproval);
 282
 283       if (isset($this->_values['event']['default_role_id'])) {
 284         $participant_role = CRM_Core_OptionGroup::values('participant_role');
 285         $this->_values['event']['participant_role'] = $participant_role["{$this->_values['event']['default_role_id']}"];
 286       }
 287       $isPayLater = CRM_Core_DAO::getFieldValue('CRM_Event_DAO_Event', $this->_eventId, 'is_pay_later');
 288       $this->setPayLaterLabel($isPayLater ? $this->_values['event']['pay_later_text'] : '');
 289       //check for various combinations for paylater, payment
 290       //process with paid event.
 291       if ($isMonetary && (!$isPayLater || !empty($this->_values['event']['payment_processor']))) {
 292         $this->_paymentProcessorIDs = explode(CRM_Core_DAO::VALUE_SEPARATOR, CRM_Utils_Array::value('payment_processor',
 293           $this->_values['event']
 294         ));
 295         $this->assignPaymentProcessor($isPayLater);
 296       }
 297       //init event fee.
 298       self::initEventFee($this, $this->_eventId);
 299
 300       // get the profile ids
 301       $ufJoinParams = [
 302         'entity_table' => 'civicrm_event',
 303         // CRM-4377: CiviEvent for the main participant, CiviEvent_Additional for additional participants
 304         'module' => 'CiviEvent',
 305         'entity_id' => $this->_eventId,
 306       ];
 307       [$this->_values['custom_pre_id'], $this->_values['custom_post_id']] = CRM_Core_BAO_UFJoin::getUFGroupIds($ufJoinParams);
 308
 309       // set profiles for additional participants
 310       if ($this->_values['event']['is_multiple_registrations']) {
 311         // CRM-4377: CiviEvent for the main participant, CiviEvent_Additional for additional participants
 312         $ufJoinParams['module'] = 'CiviEvent_Additional';
 313
 314         [$this->_values['additional_custom_pre_id'], $this->_values['additional_custom_post_id'], $preActive, $postActive] = CRM_Core_BAO_UFJoin::getUFGroupIds($ufJoinParams);
 315
 316         // CRM-4377: we need to maintain backward compatibility, hence if there is profile for main contact
 317         // set same profile for additional contacts.
 318         if ($this->_values['custom_pre_id'] && !$this->_values['additional_custom_pre_id']) {
 319           $this->_values['additional_custom_pre_id'] = $this->_values['custom_pre_id'];
 320         }
 321
 322         if ($this->_values['custom_post_id'] && !$this->_values['additional_custom_post_id']) {
 323           $this->_values['additional_custom_post_id'] = $this->_values['custom_post_id'];
 324         }
 325         // now check for no profile condition, in that case is_active = 0
 326         if (isset($preActive) && !$preActive) {
 327           unset($this->_values['additional_custom_pre_id']);
 328         }
 329         if (isset($postActive) && !$postActive) {
 330           unset($this->_values['additional_custom_post_id']);
 331         }
 332       }
 333
 334       $this->assignBillingType();
 335
 336       if ($this->_values['event']['is_monetary']) {
 337         CRM_Core_Payment_Form::setPaymentFieldsByProcessor($this, $this->_paymentProcessor);
 338       }
 339       $params = ['entity_id' => $this->_eventId, 'entity_table' => 'civicrm_event'];
 340       $this->_values['location'] = CRM_Core_BAO_Location::getValues($params, TRUE);
 341
 342       $this->set('values', $this->_values);
 343       $this->set('fields', $this->_fields);
 344
 345       $this->_availableRegistrations
 346         = CRM_Event_BAO_Participant::eventFull(
 347         $this->_values['event']['id'], TRUE,
 348         CRM_Utils_Array::value('has_waitlist', $this->_values['event'])
 349       );
 350       $this->set('availableRegistrations', $this->_availableRegistrations);
 351     }
 352     $this->assign_by_ref('paymentProcessor', $this->_paymentProcessor);
 353
 354     // check if this is a paypal auto return and redirect accordingly
 355     if (CRM_Core_Payment::paypalRedirect($this->_paymentProcessor)) {
 356       $url = CRM_Utils_System::url('civicrm/event/register',
 357         "_qf_ThankYou_display=1&qfKey={$this->controller->_key}"
 358       );
 359       CRM_Utils_System::redirect($url);
 360     }
 361     // The concept of contributeMode is deprecated.
 362     $this->_contributeMode = $this->get('contributeMode');
 363     $this->assign('contributeMode', $this->_contributeMode);
 364
 365     $this->setTitle($this->_values['event']['title']);
 366
 367     $this->assign('paidEvent', $this->_values['event']['is_monetary']);
 368
 369     // we do not want to display recently viewed items on Registration pages
 370     $this->assign('displayRecent', FALSE);
 371
 372     $isShowLocation = $this->_values['event']['is_show_location'] ?? NULL;
 373     $this->assign('isShowLocation', $isShowLocation);
 374     // Handle PCP
 375     $pcpId = CRM_Utils_Request::retrieve('pcpId', 'Positive', $this);
 376     if ($pcpId) {
 377       $pcp = CRM_PCP_BAO_PCP::handlePcp($pcpId, 'event', $this->_values['event']);
 378       $this->_pcpId = $pcp['pcpId'];
 379       $this->_values['event']['intro_text'] = $pcp['pcpInfo']['intro_text'] ?? NULL;
 380     }
 381
 382     // assign all event properties so wizard templates can display event info.
 383     $this->assign('event', $this->_values['event']);
 384     $this->assign('location', $this->_values['location']);
 385     $this->assign('bltID', $this->_bltID);
 386     $isShowLocation = $this->_values['event']['is_show_location'] ?? NULL;
 387     $this->assign('isShowLocation', $isShowLocation);
 388     CRM_Contribute_BAO_Contribution_Utils::overrideDefaultCurrency($this->_values['event']);
 389
 390     //lets allow user to override campaign.
 391     $campID = CRM_Utils_Request::retrieve('campID', 'Positive', $this);
 392     if ($campID && CRM_Core_DAO::getFieldValue('CRM_Campaign_DAO_Campaign', $campID)) {
 393       $this->_values['event']['campaign_id'] = $campID;
 394     }
 395
 396     // Set the same value for is_billing_required as contribution page so code can be shared.
 397     $this->_values['is_billing_required'] = $this->_values['event']['is_billing_required'] ?? NULL;
 398     // check if billing block is required for pay later
 399     // note that I have started removing the use of isBillingAddressRequiredForPayLater in favour of letting
 400     // the CRM_Core_Payment_Manual class handle it - but there are ~300 references to it in the code base so only
 401     // removing in very limited cases.
 402     if (!empty($this->_values['event']['is_pay_later'])) {
 403       $this->_isBillingAddressRequiredForPayLater = $this->_values['event']['is_billing_required'] ?? NULL;
 404       $this->assign('isBillingAddressRequiredForPayLater', $this->_isBillingAddressRequiredForPayLater);
 405     }
 406   }
 407
 408   /**
 409    * Assign the minimal set of variables to the template.
 410    */
 411   public function assignToTemplate() {
 412     //process only primary participant params
 413     $this->_params = $this->get('params');
 414     if (isset($this->_params[0])) {
 415       $params = $this->_params[0];
 416     }
 417     $name = '';
 418     if (!empty($params['billing_first_name'])) {
 419       $name = $params['billing_first_name'];
 420     }
 421
 422     if (!empty($params['billing_middle_name'])) {
 423       $name .= " {$params['billing_middle_name']}";
 424     }
 425
 426     if (!empty($params['billing_last_name'])) {
 427       $name .= " {$params['billing_last_name']}";
 428     }
 429     $this->assign('billingName', $name);
 430     $this->set('name', $name);
 431
 432     $vars = [
 433       'amount',
 434       'currencyID',
 435       'credit_card_type',
 436       'trxn_id',
 437       'amount_level',
 438       'receive_date',
 439     ];
 440
 441     foreach ($vars as $v) {
 442       if (!empty($params[$v])) {
 443         if ($v === 'receive_date') {
 444           $this->assign($v, CRM_Utils_Date::mysqlToIso($params[$v]));
 445         }
 446         else {
 447           $this->assign($v, $params[$v]);
 448         }
 449       }
 450       elseif (empty($params['amount'])) {
 451         $this->assign($v, CRM_Utils_Array::value($v, $params));
 452       }
 453     }
 454
 455     $this->assign('address', CRM_Utils_Address::getFormattedBillingAddressFieldsFromParameters($params, $this->_bltID));
 456
 457     // The concept of contributeMode is deprecated.
 458     if ($this->_contributeMode == 'direct' && empty($params['is_pay_later'])) {
 459       $date = CRM_Utils_Date::format(CRM_Utils_Array::value('credit_card_exp_date', $params));
 460       $date = CRM_Utils_Date::mysqlToIso($date);
 461       $this->assign('credit_card_exp_date', $date);
 462       $this->assign('credit_card_number',
 463         CRM_Utils_System::mungeCreditCard(CRM_Utils_Array::value('credit_card_number', $params))
 464       );
 465     }
 466
 467     // assign is_email_confirm to templates
 468     if (isset($this->_values['event']['is_email_confirm'])) {
 469       $this->assign('is_email_confirm', $this->_values['event']['is_email_confirm']);
 470     }
 471
 472     // assign pay later stuff
 473     $params['is_pay_later'] = CRM_Utils_Array::value('is_pay_later', $params, FALSE);
 474     $this->assign('is_pay_later', $params['is_pay_later']);
 475     if ($params['is_pay_later']) {
 476       $this->assign('pay_later_text', $this->getPayLaterLabel());
 477       $this->assign('pay_later_receipt', $this->_values['event']['pay_later_receipt']);
 478     }
 479
 480     // also assign all participantIDs to the template
 481     // useful in generating confirmation numbers if needed
 482     $this->assign('participantIDs', $this->_participantIDS);
 483   }
 484
 485   /**
 486    * Add the custom fields.
 487    *
 488    * @param int $id
 489    * @param string $name
 490    */
 491   public function buildCustom($id, $name) {
 492     if (!$id) {
 493       return;
 494     }
 495
 496     $cid = CRM_Utils_Request::retrieve('cid', 'Positive', $this);
 497     $contactID = CRM_Core_Session::getLoggedInContactID();
 498
 499     // we don't allow conflicting fields to be
 500     // configured via profile
 501     $fieldsToIgnore = [
 502       'participant_fee_amount' => 1,
 503       'participant_fee_level' => 1,
 504     ];
 505     if ($contactID) {
 506       //FIX CRM-9653
 507       if (is_array($id)) {
 508         $fields = [];
 509         foreach ($id as $profileID) {
 510           $field = CRM_Core_BAO_UFGroup::getFields($profileID, FALSE, CRM_Core_Action::ADD,
 511             NULL, NULL, FALSE, NULL,
 512             FALSE, NULL, CRM_Core_Permission::CREATE,
 513             'field_name', TRUE
 514           );
 515           $fields = array_merge($fields, $field);
 516         }
 517       }
 518       else {
 519         if (CRM_Core_BAO_UFGroup::filterUFGroups($id, $contactID)) {
 520           $fields = CRM_Core_BAO_UFGroup::getFields($id, FALSE, CRM_Core_Action::ADD,
 521             NULL, NULL, FALSE, NULL,
 522             FALSE, NULL, CRM_Core_Permission::CREATE,
 523             'field_name', TRUE
 524           );
 525         }
 526       }
 527     }
 528     else {
 529       $fields = CRM_Core_BAO_UFGroup::getFields($id, FALSE, CRM_Core_Action::ADD,
 530         NULL, NULL, FALSE, NULL,
 531         FALSE, NULL, CRM_Core_Permission::CREATE,
 532         'field_name', TRUE
 533       );
 534     }
 535
 536     if (array_intersect_key($fields, $fieldsToIgnore)) {
 537       $fields = array_diff_key($fields, $fieldsToIgnore);
 538       CRM_Core_Session::setStatus(ts('Some of the profile fields cannot be configured for this page.'));
 539     }
 540     $addCaptcha = FALSE;
 541
 542     if (!empty($this->_fields)) {
 543       $fields = @array_diff_assoc($fields, $this->_fields);
 544     }
 545
 546     if (empty($this->_params[0]['additional_participants']) &&
 547       is_null($cid)
 548     ) {
 549       CRM_Core_BAO_Address::checkContactSharedAddressFields($fields, $contactID);
 550     }
 551     $this->assign($name, $fields);
 552     if (is_array($fields)) {
 553       $button = substr($this->controller->getButtonName(), -4);
 554       foreach ($fields as $key => $field) {
 555         //make the field optional if primary participant
 556         //have been skip the additional participant.
 557         if ($button == 'skip') {
 558           $field['is_required'] = FALSE;
 559         }
 560         // CRM-11316 Is ReCAPTCHA enabled for this profile AND is this an anonymous visitor
 561         elseif ($field['add_captcha'] && !$contactID) {
 562           // only add captcha for first page
 563           $addCaptcha = TRUE;
 564         }
 565         CRM_Core_BAO_UFGroup::buildProfile($this, $field, CRM_Profile_Form::MODE_CREATE, $contactID, TRUE);
 566
 567         $this->_fields[$key] = $field;
 568       }
 569     }
 570
 571     if ($addCaptcha) {
 572       CRM_Utils_ReCAPTCHA::enableCaptchaOnForm($this);
 573     }
 574   }
 575
 576   /**
 577    * Initiate event fee.
 578    *
 579    * @param CRM_Core_Form $form
 580    * @param int $eventID
 581    * @param bool $doNotIncludeExpiredFields
 582    *   See CRM-16456.
 583    *
 584    * @throws Exception
 585    */
 586   public static function initEventFee(&$form, $eventID, $doNotIncludeExpiredFields = TRUE) {
 587     // get price info
 588
 589     // retrive all active price set fields.
 590     $discountId = CRM_Core_BAO_Discount::findSet($eventID, 'civicrm_event');
 591     if (property_exists($form, '_discountId') && $form->_discountId) {
 592       $discountId = $form->_discountId;
 593     }
 594
 595     if ($discountId) {
 596       $priceSetId = CRM_Core_DAO::getFieldValue('CRM_Core_BAO_Discount', $discountId, 'price_set_id');
 597     }
 598     else {
 599       $priceSetId = CRM_Price_BAO_PriceSet::getFor('civicrm_event', $eventID);
 600     }
 601     CRM_Price_BAO_PriceSet::initSet($form, 'civicrm_event', $doNotIncludeExpiredFields, $priceSetId);
 602
 603     if (property_exists($form, '_context') && ($form->_context == 'standalone'
 604         || $form->_context == 'participant')
 605     ) {
 606       $discountedEvent = CRM_Core_BAO_Discount::getOptionGroup($eventID, 'civicrm_event');
 607       if (is_array($discountedEvent)) {
 608         foreach ($discountedEvent as $key => $priceSetId) {
 609           $priceSet = CRM_Price_BAO_PriceSet::getSetDetail($priceSetId);
 610           $priceSet = $priceSet[$priceSetId] ?? NULL;
 611           $form->_values['discount'][$key] = $priceSet['fields'] ?? NULL;
 612           $fieldID = key($form->_values['discount'][$key]);
 613           $form->_values['discount'][$key][$fieldID]['name'] = CRM_Core_DAO::getFieldValue(
 614             'CRM_Price_DAO_PriceSet',
 615             $priceSetId,
 616             'title'
 617           );
 618         }
 619       }
 620     }
 621     $eventFee = $form->_values['fee'] ?? NULL;
 622     if (!is_array($eventFee) || empty($eventFee)) {
 623       $form->_values['fee'] = [];
 624     }
 625
 626     //fix for non-upgraded price sets.CRM-4256.
 627     if (isset($form->_isPaidEvent)) {
 628       $isPaidEvent = $form->_isPaidEvent;
 629     }
 630     else {
 631       $isPaidEvent = $form->_values['event']['is_monetary'] ?? NULL;
 632     }
 633     if (CRM_Financial_BAO_FinancialType::isACLFinancialTypeStatus()
 634       && !empty($form->_values['fee'])
 635     ) {
 636       foreach ($form->_values['fee'] as $k => $fees) {
 637         foreach ($fees['options'] as $options) {
 638           if (!CRM_Core_Permission::check('add contributions of type ' . CRM_Contribute_PseudoConstant::financialType($options['financial_type_id']))) {
 639             unset($form->_values['fee'][$k]);
 640           }
 641         }
 642       }
 643     }
 644     if ($isPaidEvent && empty($form->_values['fee'])) {
 645       if (!in_array(CRM_Utils_System::getClassName($form), ['CRM_Event_Form_Participant', 'CRM_Event_Form_Task_Register'])) {
 646         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)]));
 647       }
 648     }
 649   }
 650
 651   /**
 652    * Handle process after the confirmation of payment by User.
 653    *
 654    * @param int $contactID
 655    * @param \CRM_Contribute_BAO_Contribution $contribution
 656    *
 657    * @throws \CiviCRM_API3_Exception
 658    */
 659   public function confirmPostProcess($contactID = NULL, $contribution = NULL) {
 660     // add/update contact information
 661     unset($this->_params['note']);
 662
 663     //to avoid conflict overwrite $this->_params
 664     $this->_params = $this->get('value');
 665
 666     //get the amount of primary participant
 667     if (!empty($this->_params['is_primary'])) {
 668       $this->_params['fee_amount'] = $this->get('primaryParticipantAmount');
 669     }
 670
 671     // add participant record
 672     $participant = $this->addParticipant($this, $contactID);
 673     $this->_participantIDS[] = $participant->id;
 674
 675     //setting register_by_id field and primaryContactId
 676     if (!empty($this->_params['is_primary'])) {
 677       $this->set('registerByID', $participant->id);
 678       $this->set('primaryContactId', $contactID);
 679
 680       // CRM-10032
 681       $this->processFirstParticipant($participant->id);
 682     }
 683
 684     if (!empty($this->_params['is_primary'])) {
 685       $this->_params['participantID'] = $participant->id;
 686       $this->set('primaryParticipant', $this->_params);
 687     }
 688
 689     CRM_Core_BAO_CustomValueTable::postProcess($this->_params,
 690       'civicrm_participant',
 691       $participant->id,
 692       'Participant'
 693     );
 694
 695     $createPayment = (CRM_Utils_Array::value('amount', $this->_params, 0) != 0) ? TRUE : FALSE;
 696
 697     // force to create zero amount payment, CRM-5095
 698     // we know the amout is zero since createPayment is false
 699     if (!$createPayment &&
 700       (isset($contribution) && $contribution->id) &&
 701       $this->_priceSetId &&
 702       $this->_lineItem
 703     ) {
 704       $createPayment = TRUE;
 705     }
 706
 707     if ($createPayment && $this->_values['event']['is_monetary'] && !empty($this->_params['contributionID'])) {
 708       $paymentParams = [
 709         'participant_id' => $participant->id,
 710         'contribution_id' => $contribution->id,
 711       ];
 712       civicrm_api3('ParticipantPayment', 'create', $paymentParams);
 713     }
 714
 715     $this->assign('action', $this->_action);
 716
 717     // create CMS user
 718     if (!empty($this->_params['cms_create_account'])) {
 719       $this->_params['contactID'] = $contactID;
 720
 721       if (array_key_exists('email-5', $this->_params)) {
 722         $mail = 'email-5';
 723       }
 724       else {
 725         foreach ($this->_params as $name => $dontCare) {
 726           if (substr($name, 0, 5) == 'email') {
 727             $mail = $name;
 728             break;
 729           }
 730         }
 731       }
 732
 733       // we should use primary email for
 734       // 1. pay later participant.
 735       // 2. waiting list participant.
 736       // 3. require approval participant.
 737       if (!empty($this->_params['is_pay_later']) ||
 738         $this->_allowWaitlist || $this->_requireApproval
 739       ) {
 740         $mail = 'email-Primary';
 741       }
 742
 743       if (!CRM_Core_BAO_CMSUser::create($this->_params, $mail)) {
 744         CRM_Core_Error::statusBounce(ts('Your profile is not saved and Account is not created.'));
 745       }
 746     }
 747   }
 748
 749   /**
 750    * Process the participant.
 751    *
 752    * @param CRM_Core_Form $form
 753    * @param int $contactID
 754    *
 755    * @return \CRM_Event_BAO_Participant
 756    * @throws \CiviCRM_API3_Exception
 757    */
 758   protected function addParticipant(&$form, $contactID) {
 759     if (empty($form->_params)) {
 760       return NULL;
 761     }
 762     // Note this used to be shared with the backoffice form & no longer is, some code may no longer be required.
 763     $params = $form->_params;
 764     $transaction = new CRM_Core_Transaction();
 765
 766     // handle register date CRM-4320
 767     $registerDate = NULL;
 768     if (!empty($form->_allowConfirmation) && $form->_participantId) {
 769       $registerDate = $params['participant_register_date'];
 770     }
 771     elseif (!empty($params['participant_register_date']) &&
 772       is_array($params['participant_register_date']) &&
 773       !empty($params['participant_register_date'])
 774     ) {
 775       $registerDate = CRM_Utils_Date::format($params['participant_register_date']);
 776     }
 777
 778     $participantFields = CRM_Event_DAO_Participant::fields();
 779     $participantParams = [
 780       'id' => $params['participant_id'] ?? NULL,
 781       'contact_id' => $contactID,
 782       'event_id' => $form->_eventId ? $form->_eventId : $params['event_id'],
 783       'status_id' => CRM_Utils_Array::value('participant_status',
 784         $params, 1
 785       ),
 786       'role_id' => CRM_Utils_Array::value('participant_role_id', $params) ?: CRM_Event_BAO_Participant::getDefaultRoleID(),
 787       'register_date' => ($registerDate) ? $registerDate : date('YmdHis'),
 788       'source' => CRM_Utils_String::ellipsify(
 789         isset($params['participant_source']) ? CRM_Utils_Array::value('participant_source', $params) : CRM_Utils_Array::value('description', $params),
 790         $participantFields['participant_source']['maxlength']
 791       ),
 792       'fee_level' => $params['amount_level'] ?? NULL,
 793       'is_pay_later' => CRM_Utils_Array::value('is_pay_later', $params, 0),
 794       'fee_amount' => $params['fee_amount'] ?? NULL,
 795       'registered_by_id' => $params['registered_by_id'] ?? NULL,
 796       'discount_id' => $params['discount_id'] ?? NULL,
 797       'fee_currency' => $params['currencyID'] ?? NULL,
 798       'campaign_id' => $params['campaign_id'] ?? NULL,
 799     ];
 800
 801     if ($form->_action & CRM_Core_Action::PREVIEW || CRM_Utils_Array::value('mode', $params) == 'test') {
 802       $participantParams['is_test'] = 1;
 803     }
 804     else {
 805       $participantParams['is_test'] = 0;
 806     }
 807
 808     if (!empty($form->_params['note'])) {
 809       $participantParams['note'] = $form->_params['note'];
 810     }
 811     elseif (!empty($form->_params['participant_note'])) {
 812       $participantParams['note'] = $form->_params['participant_note'];
 813     }
 814
 815     // reuse id if one already exists for this one (can happen
 816     // with back button being hit etc)
 817     if (!$participantParams['id'] && !empty($params['contributionID'])) {
 818       $pID = CRM_Core_DAO::getFieldValue('CRM_Event_DAO_ParticipantPayment',
 819         $params['contributionID'],
 820         'participant_id',
 821         'contribution_id'
 822       );
 823       $participantParams['id'] = $pID;
 824     }
 825     $participantParams['discount_id'] = CRM_Core_BAO_Discount::findSet($form->_eventId, 'civicrm_event');
 826
 827     if (!$participantParams['discount_id']) {
 828       $participantParams['discount_id'] = "null";
 829     }
 830
 831     $participant = CRM_Event_BAO_Participant::create($participantParams);
 832
 833     $transaction->commit();
 834
 835     return $participant;
 836   }
 837
 838   /**
 839    * Calculate the total participant count as per params.
 840    *
 841    * @param CRM_Core_Form $form
 842    * @param array $params
 843    *   User params.
 844    * @param bool $skipCurrent
 845    *
 846    * @return int
 847    */
 848   public static function getParticipantCount(&$form, $params, $skipCurrent = FALSE) {
 849     $totalCount = 0;
 850     if (!is_array($params) || empty($params)) {
 851       return $totalCount;
 852     }
 853
 854     $priceSetId = $form->get('priceSetId');
 855     $addParticipantNum = substr($form->_name, 12);
 856     $priceSetFields = $priceSetDetails = [];
 857     $hasPriceFieldsCount = FALSE;
 858     if ($priceSetId) {
 859       $priceSetDetails = $form->get('priceSet');
 860       if (isset($priceSetDetails['optionsCountTotal'])
 861         && $priceSetDetails['optionsCountTotal']
 862       ) {
 863         $hasPriceFieldsCount = TRUE;
 864         $priceSetFields = $priceSetDetails['optionsCountDetails']['fields'];
 865       }
 866     }
 867
 868     $singleFormParams = FALSE;
 869     foreach ($params as $key => $val) {
 870       if (!is_numeric($key)) {
 871         $singleFormParams = TRUE;
 872         break;
 873       }
 874     }
 875
 876     //first format the params.
 877     if ($singleFormParams) {
 878       $params = self::formatPriceSetParams($form, $params);
 879       $params = [$params];
 880     }
 881
 882     foreach ($params as $key => $values) {
 883       if (!is_numeric($key) ||
 884         $values == 'skip' ||
 885         ($skipCurrent && ($addParticipantNum == $key))
 886       ) {
 887         continue;
 888       }
 889       $count = 1;
 890
 891       $usedCache = FALSE;
 892       $cacheCount = $form->_lineItemParticipantsCount[$key] ?? NULL;
 893       if ($cacheCount && is_numeric($cacheCount)) {
 894         $count = $cacheCount;
 895         $usedCache = TRUE;
 896       }
 897
 898       if (!$usedCache && $hasPriceFieldsCount) {
 899         $count = 0;
 900         foreach ($values as $valKey => $value) {
 901           if (strpos($valKey, 'price_') === FALSE) {
 902             continue;
 903           }
 904           $priceFieldId = substr($valKey, 6);
 905           if (!$priceFieldId ||
 906             !is_array($value) ||
 907             !array_key_exists($priceFieldId, $priceSetFields)
 908           ) {
 909             continue;
 910           }
 911           foreach ($value as $optId => $optVal) {
 912             $currentCount = $priceSetFields[$priceFieldId]['options'][$optId] * $optVal;
 913             if ($currentCount) {
 914               $count += $currentCount;
 915             }
 916           }
 917         }
 918         if (!$count) {
 919           $count = 1;
 920         }
 921       }
 922       $totalCount += $count;
 923     }
 924     if (!$totalCount) {
 925       $totalCount = 1;
 926     }
 927
 928     return $totalCount;
 929   }
 930
 931   /**
 932    * Format user submitted price set params.
 933    *
 934    * Convert price set each param as an array.
 935    *
 936    * @param CRM_Core_Form $form
 937    * @param array $params
 938    *   An array of user submitted params.
 939    *
 940    * @return array
 941    *   Formatted price set params.
 942    */
 943   public static function formatPriceSetParams(&$form, $params) {
 944     if (!is_array($params) || empty($params)) {
 945       return $params;
 946     }
 947
 948     $priceSetId = $form->get('priceSetId');
 949     if (!$priceSetId) {
 950       return $params;
 951     }
 952     $priceSetDetails = $form->get('priceSet');
 953
 954     foreach ($params as $key => & $value) {
 955       $vals = [];
 956       if (strpos($key, 'price_') !== FALSE) {
 957         $fieldId = substr($key, 6);
 958         if (!array_key_exists($fieldId, $priceSetDetails['fields']) ||
 959           is_array($value) ||
 960           !$value
 961         ) {
 962           continue;
 963         }
 964         $field = $priceSetDetails['fields'][$fieldId];
 965         if ($field['html_type'] == 'Text') {
 966           $fieldOption = current($field['options']);
 967           $value = [$fieldOption['id'] => $value];
 968         }
 969         else {
 970           $value = [$value => TRUE];
 971         }
 972       }
 973     }
 974
 975     return $params;
 976   }
 977
 978   /**
 979    * Calculate total count for each price set options.
 980    *
 981    * - currently selected by user.
 982    *
 983    * @param CRM_Core_Form $form
 984    *   Form object.
 985    *
 986    * @return array
 987    *   array of each option w/ count total.
 988    */
 989   public static function getPriceSetOptionCount(&$form) {
 990     $params = $form->get('params');
 991     $priceSet = $form->get('priceSet');
 992     $priceSetId = $form->get('priceSetId');
 993
 994     $optionsCount = [];
 995     if (!$priceSetId ||
 996       !is_array($priceSet) ||
 997       empty($priceSet) ||
 998       !is_array($params) ||
 999       empty($params)
1000     ) {
1001       return $optionsCount;
1002     }
1003
1004     $priceSetFields = $priceMaxFieldDetails = [];
1005     if (!empty($priceSet['optionsCountTotal'])) {
1006       $priceSetFields = $priceSet['optionsCountDetails']['fields'];
1007     }
1008
1009     if (!empty($priceSet['optionsMaxValueTotal'])) {
1010       $priceMaxFieldDetails = $priceSet['optionsMaxValueDetails']['fields'];
1011     }
1012
1013     $addParticipantNum = substr($form->_name, 12);
1014     foreach ($params as $pCnt => $values) {
1015       if ($values == 'skip' ||
1016         $pCnt === $addParticipantNum
1017       ) {
1018         continue;
1019       }
1020
1021       foreach ($values as $valKey => $value) {
1022         if (strpos($valKey, 'price_') === FALSE) {
1023           continue;
1024         }
1025
1026         $priceFieldId = substr($valKey, 6);
1027         if (!$priceFieldId ||
1028           !is_array($value) ||
1029           !(array_key_exists($priceFieldId, $priceSetFields) || array_key_exists($priceFieldId, $priceMaxFieldDetails))
1030         ) {
1031           continue;
1032         }
1033
1034         foreach ($value as $optId => $optVal) {
1035           if (CRM_Utils_Array::value('html_type', $priceSet['fields'][$priceFieldId]) == 'Text') {
1036             $currentCount = $optVal;
1037           }
1038           else {
1039             $currentCount = 1;
1040           }
1041
1042           if (isset($priceSetFields[$priceFieldId]) && isset($priceSetFields[$priceFieldId]['options'][$optId])) {
1043             $currentCount = $priceSetFields[$priceFieldId]['options'][$optId] * $optVal;
1044           }
1045
1046           $optionsCount[$optId] = $currentCount + CRM_Utils_Array::value($optId, $optionsCount, 0);
1047         }
1048       }
1049     }
1050
1051     return $optionsCount;
1052   }
1053
1054   /**
1055    * Check if template file exists.
1056    *
1057    * @param string $suffix
1058    *
1059    * @return null|string
1060    */
1061   public function checkTemplateFileExists($suffix = '') {
1062     if ($this->_eventId) {
1063       $templateName = $this->_name;
1064       if (substr($templateName, 0, 12) == 'Participant_') {
1065         $templateName = 'AdditionalParticipant';
1066       }
1067
1068       $templateFile = "CRM/Event/Form/Registration/{$this->_eventId}/{$templateName}.{$suffix}tpl";
1069       $template = CRM_Core_Form::getTemplate();
1070       if ($template->template_exists($templateFile)) {
1071         return $templateFile;
1072       }
1073     }
1074     return NULL;
1075   }
1076
1077   /**
1078    * Get template file name.
1079    *
1080    * @return null|string
1081    */
1082   public function getTemplateFileName() {
1083     $fileName = $this->checkTemplateFileExists();
1084     return $fileName ? $fileName : parent::getTemplateFileName();
1085   }
1086
1087   /**
1088    * Override extra template name.
1089    *
1090    * @return null|string
1091    */
1092   public function overrideExtraTemplateFileName() {
1093     $fileName = $this->checkTemplateFileExists('extra.');
1094     return $fileName ? $fileName : parent::overrideExtraTemplateFileName();
1095   }
1096
1097   /**
1098    * Reset values for all options those are full.
1099    *
1100    * @param array $optionFullIds
1101    * @param CRM_Core_Form $form
1102    */
1103   public static function resetElementValue($optionFullIds, &$form) {
1104     if (!is_array($optionFullIds) ||
1105       empty($optionFullIds) ||
1106       !$form->isSubmitted()
1107     ) {
1108       return;
1109     }
1110
1111     foreach ($optionFullIds as $fldId => $optIds) {
1112       $name = "price_$fldId";
1113       if (!$form->elementExists($name)) {
1114         continue;
1115       }
1116
1117       $element = $form->getElement($name);
1118       $eleType = $element->getType();
1119
1120       $resetSubmitted = FALSE;
1121       switch ($eleType) {
1122         case 'text':
1123           if ($element->getValue() && $element->isFrozen()) {
1124             $label = "{$element->getLabel()}<tt>(x)</tt>";
1125             $element->setLabel($label);
1126             $element->setPersistantFreeze();
1127             $resetSubmitted = TRUE;
1128           }
1129           break;
1130
1131         case 'group':
1132           if (is_array($element->_elements)) {
1133             foreach ($element->_elements as $child) {
1134               $childType = $child->getType();
1135               $methodName = 'getName';
1136               if ($childType) {
1137                 $methodName = 'getValue';
1138               }
1139               if (in_array($child->{$methodName}(), $optIds) && $child->isFrozen()) {
1140                 $resetSubmitted = TRUE;
1141                 $child->setPersistantFreeze();
1142               }
1143             }
1144           }
1145           break;
1146
1147         case 'select':
1148           $value = $element->getValue();
1149           if (in_array($value[0], $optIds)) {
1150             foreach ($element->_options as $option) {
1151               if ($option['attr']['value'] === "crm_disabled_opt-{$value[0]}") {
1152                 $placeholder = html_entity_decode($option['text'], ENT_QUOTES, "UTF-8");
1153                 $element->updateAttributes(['placeholder' => $placeholder]);
1154                 break;
1155               }
1156             }
1157             $resetSubmitted = TRUE;
1158           }
1159           break;
1160       }
1161
1162       //finally unset values from submitted.
1163       if ($resetSubmitted) {
1164         self::resetSubmittedValue($name, $optIds, $form);
1165       }
1166     }
1167   }
1168
1169   /**
1170    * Reset submitted value.
1171    *
1172    * @param string $elementName
1173    * @param array $optionIds
1174    * @param CRM_Core_Form $form
1175    */
1176   public static function resetSubmittedValue($elementName, $optionIds, &$form) {
1177     if (empty($elementName) ||
1178       !$form->elementExists($elementName) ||
1179       !$form->getSubmitValue($elementName)
1180     ) {
1181       return;
1182     }
1183     foreach (['constantValues', 'submitValues', 'defaultValues'] as $val) {
1184       $values = $form->{"_$val"};
1185       if (!is_array($values) || empty($values)) {
1186         continue;
1187       }
1188       $eleVal = $values[$elementName] ?? NULL;
1189       if (empty($eleVal)) {
1190         continue;
1191       }
1192       if (is_array($eleVal)) {
1193         $found = FALSE;
1194         foreach ($eleVal as $keyId => $ignore) {
1195           if (in_array($keyId, $optionIds)) {
1196             $found = TRUE;
1197             unset($values[$elementName][$keyId]);
1198           }
1199         }
1200         if ($found && empty($values[$elementName][$keyId])) {
1201           $values[$elementName][$keyId] = NULL;
1202         }
1203       }
1204       else {
1205         if (!empty($keyId)) {
1206           $values[$elementName][$keyId] = NULL;
1207         }
1208       }
1209     }
1210   }
1211
1212   /**
1213    * Validate price set submitted params for price option limit.
1214    *
1215    * User should select at least one price field option.
1216    *
1217    * @param CRM_Core_Form $form
1218    * @param array $params
1219    *
1220    * @return array
1221    */
1222   public static function validatePriceSet(&$form, $params) {
1223     $errors = [];
1224     $hasOptMaxValue = FALSE;
1225     if (!is_array($params) || empty($params)) {
1226       return $errors;
1227     }
1228
1229     $currentParticipantNum = substr($form->_name, 12);
1230     if (!$currentParticipantNum) {
1231       $currentParticipantNum = 0;
1232     }
1233
1234     $priceSetId = $form->get('priceSetId');
1235     $priceSetDetails = $form->get('priceSet');
1236     if (
1237       !$priceSetId ||
1238       !is_array($priceSetDetails) ||
1239       empty($priceSetDetails)
1240     ) {
1241       return $errors;
1242     }
1243
1244     $optionsCountDetails = $optionsMaxValueDetails = [];
1245     if (
1246       isset($priceSetDetails['optionsMaxValueTotal'])
1247       && $priceSetDetails['optionsMaxValueTotal']
1248     ) {
1249       $hasOptMaxValue = TRUE;
1250       $optionsMaxValueDetails = $priceSetDetails['optionsMaxValueDetails']['fields'];
1251     }
1252     if (
1253       isset($priceSetDetails['optionsCountTotal'])
1254       && $priceSetDetails['optionsCountTotal']
1255     ) {
1256       $hasOptCount = TRUE;
1257       $optionsCountDetails = $priceSetDetails['optionsCountDetails']['fields'];
1258     }
1259     $feeBlock = $form->_feeBlock;
1260
1261     if (empty($feeBlock)) {
1262       $feeBlock = $priceSetDetails['fields'];
1263     }
1264
1265     $optionMaxValues = $fieldSelected = [];
1266     foreach ($params as $pNum => $values) {
1267       if (!is_array($values) || $values == 'skip') {
1268         continue;
1269       }
1270
1271       foreach ($values as $valKey => $value) {
1272         if (strpos($valKey, 'price_') === FALSE) {
1273           continue;
1274         }
1275         $priceFieldId = substr($valKey, 6);
1276         $noneOptionValueSelected = FALSE;
1277         if (!$feeBlock[$priceFieldId]['is_required'] && $value == 0) {
1278           $noneOptionValueSelected = TRUE;
1279         }
1280
1281         if (
1282           !$priceFieldId ||
1283           (!$noneOptionValueSelected && !is_array($value))
1284         ) {
1285           continue;
1286         }
1287
1288         $fieldSelected[$pNum] = TRUE;
1289
1290         if (!$hasOptMaxValue || !is_array($value)) {
1291           continue;
1292         }
1293
1294         foreach ($value as $optId => $optVal) {
1295           if (CRM_Utils_Array::value('html_type', $feeBlock[$priceFieldId]) == 'Text') {
1296             $currentMaxValue = $optVal;
1297           }
1298           else {
1299             $currentMaxValue = 1;
1300           }
1301
1302           if (isset($optionsCountDetails[$priceFieldId]) && isset($optionsCountDetails[$priceFieldId]['options'][$optId])) {
1303             $currentMaxValue = $optionsCountDetails[$priceFieldId]['options'][$optId] * $optVal;
1304           }
1305           if (empty($optionMaxValues)) {
1306             $optionMaxValues[$priceFieldId][$optId] = $currentMaxValue;
1307           }
1308           else {
1309             $optionMaxValues[$priceFieldId][$optId]
1310               = $currentMaxValue + CRM_Utils_Array::value($optId, CRM_Utils_Array::value($priceFieldId, $optionMaxValues), 0);
1311           }
1312           $soldOutPnum[$optId] = $pNum;
1313         }
1314       }
1315
1316       //validate for price field selection.
1317       if (empty($fieldSelected[$pNum])) {
1318         $errors[$pNum]['_qf_default'] = ts('SELECT at least one OPTION FROM EVENT Fee(s).');
1319       }
1320     }
1321
1322     //validate for option max value.
1323     foreach ($optionMaxValues as $fieldId => $values) {
1324       $options = CRM_Utils_Array::value('options', $feeBlock[$fieldId], []);
1325       foreach ($values as $optId => $total) {
1326         $optMax = $optionsMaxValueDetails[$fieldId]['options'][$optId];
1327         $opDbCount = CRM_Utils_Array::value('db_total_count', $options[$optId], 0);
1328         $total += $opDbCount;
1329         if ($optMax && ($total > $optMax)) {
1330           if ($opDbCount && ($opDbCount >= $optMax)) {
1331             $errors[$soldOutPnum[$optId]]["price_{$fieldId}"]
1332               = ts('Sorry, this option is currently sold out.');
1333           }
1334           elseif (($optMax - $opDbCount) == 1) {
1335             $errors[$soldOutPnum[$optId]]["price_{$fieldId}"]
1336               = ts('Sorry, currently only a single space is available for this option.', [1 => ($optMax - $opDbCount)]);
1337           }
1338           else {
1339             $errors[$soldOutPnum[$optId]]["price_{$fieldId}"]
1340               = ts('Sorry, currently only %1 spaces are available for this option.', [1 => ($optMax - $opDbCount)]);
1341           }
1342         }
1343       }
1344     }
1345     return $errors;
1346   }
1347
1348   /**
1349    * Set the first participant ID if not set.
1350    *
1351    * CRM-10032.
1352    *
1353    * @param int $participantID
1354    */
1355   public function processFirstParticipant($participantID) {
1356     $this->_participantId = $participantID;
1357     $this->set('participantId', $this->_participantId);
1358
1359     $ids = $participantValues = [];
1360     $participantParams = ['id' => $this->_participantId];
1361     CRM_Event_BAO_Participant::getValues($participantParams, $participantValues, $ids);
1362     $this->_values['participant'] = $participantValues[$this->_participantId];
1363     $this->set('values', $this->_values);
1364
1365     // also set the allow confirmation stuff
1366     if (array_key_exists(
1367       $this->_values['participant']['status_id'],
1368       CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Pending'")
1369     )) {
1370       $this->_allowConfirmation = TRUE;
1371       $this->set('allowConfirmation', TRUE);
1372     }
1373   }
1374
1375   /**
1376    * Check if event is valid.
1377    *
1378    * @todo - combine this with CRM_Event_BAO_Event::validRegistrationRequest
1379    * (probably extract relevant values here & call that with them & handle bounces & redirects here -as
1380    * those belong in the form layer)
1381    *
1382    */
1383   protected function checkValidEvent(): void {
1384     // is the event active (enabled)?
1385     if (!$this->_values['event']['is_active']) {
1386       // form is inactive, die a fatal death
1387       CRM_Core_Error::statusBounce(ts('The event you requested is currently unavailable (contact the site administrator for assistance).'));
1388     }
1389
1390     // is online registration is enabled?
1391     if (!$this->_values['event']['is_online_registration']) {
1392       CRM_Core_Error::statusBounce(ts('Online registration is not currently available for this event (contact the site administrator for assistance).'), $this->getInfoPageUrl());
1393     }
1394
1395     // is this an event template ?
1396     if (!empty($this->_values['event']['is_template'])) {
1397       CRM_Core_Error::statusBounce(ts('Event templates are not meant to be registered.'), $this->getInfoPageUrl());
1398     }
1399
1400     $now = date('YmdHis');
1401     $startDate = CRM_Utils_Date::processDate(CRM_Utils_Array::value('registration_start_date',
1402       $this->_values['event']
1403     ));
1404
1405     if (
1406       $startDate &&
1407       $startDate >= $now
1408     ) {
1409       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'));
1410     }
1411
1412     $regEndDate = CRM_Utils_Date::processDate(CRM_Utils_Array::value('registration_end_date',
1413       $this->_values['event']
1414     ));
1415     $eventEndDate = CRM_Utils_Date::processDate(CRM_Utils_Array::value('event_end_date', $this->_values['event']));
1416     if (($regEndDate && ($regEndDate < $now)) || (empty($regEndDate) && !empty($eventEndDate) && ($eventEndDate < $now))) {
1417       $endDate = CRM_Utils_Date::customFormat(CRM_Utils_Array::value('registration_end_date', $this->_values['event']));
1418       if (empty($regEndDate)) {
1419         $endDate = CRM_Utils_Date::customFormat(CRM_Utils_Array::value('event_end_date', $this->_values['event']));
1420       }
1421       CRM_Core_Error::statusBounce(ts('Registration for this event ended on %1', [1 => $endDate]), $this->getInfoPageUrl(), ts('Sorry'));
1422     }
1423   }
1424
1425   /**
1426    * Get the amount level for the event payment.
1427    *
1428    * The amount level is the string stored on the contribution record that describes the purchase.
1429    *
1430    * @param array $params
1431    * @param int|null $discountID
1432    *
1433    * @return string
1434    */
1435   protected function getAmountLevel($params, $discountID) {
1436     // @todo move handling of discount ID to the BAO function - preferably by converting it to a price_set with
1437     // time settings.
1438     if (!empty($this->_values['discount'][$discountID])) {
1439       return $this->_values['discount'][$discountID][$params['amount']]['label'];
1440     }
1441     if (empty($params['priceSetId'])) {
1442       // CRM-17509 An example of this is where the person is being waitlisted & there is no payment.
1443       // ideally we would have calculated amount first & only call this is there is an
1444       // amount but the flow needs more changes for that.
1445       return '';
1446     }
1447     return CRM_Price_BAO_PriceSet::getAmountLevelText($params);
1448   }
1449
1450   /**
1451    * Process Registration of free event.
1452    *
1453    * @param array $params
1454    *   Form values.
1455    * @param int $contactID
1456    *
1457    * @throws \CiviCRM_API3_Exception
1458    */
1459   public function processRegistration($params, $contactID = NULL) {
1460     $session = CRM_Core_Session::singleton();
1461     $this->_participantInfo = [];
1462
1463     // CRM-4320, lets build array of cancelled additional participant ids
1464     // those are drop or skip by primary at the time of confirmation.
1465     // get all in and then unset those are confirmed.
1466     $cancelledIds = $this->_additionalParticipantIds;
1467
1468     $participantCount = [];
1469     foreach ($params as $participantNum => $record) {
1470       if ($record == 'skip') {
1471         $participantCount[$participantNum] = 'skip';
1472       }
1473       elseif ($participantNum) {
1474         $participantCount[$participantNum] = 'participant';
1475       }
1476     }
1477
1478     $registerByID = NULL;
1479     foreach ($params as $key => $value) {
1480       if ($value != 'skip') {
1481         $fields = NULL;
1482
1483         // setting register by Id and unset contactId.
1484         if (empty($value['is_primary'])) {
1485           $contactID = NULL;
1486           $registerByID = $this->get('registerByID');
1487           if ($registerByID) {
1488             $value['registered_by_id'] = $registerByID;
1489           }
1490           // get an email if one exists for the participant
1491           $participantEmail = '';
1492           foreach (array_keys($value) as $valueName) {
1493             if (substr($valueName, 0, 6) == 'email-') {
1494               $participantEmail = $value[$valueName];
1495             }
1496           }
1497           if ($participantEmail) {
1498             $this->_participantInfo[] = $participantEmail;
1499           }
1500           else {
1501             $this->_participantInfo[] = $value['first_name'] . ' ' . $value['last_name'];
1502           }
1503         }
1504         elseif (!empty($value['contact_id'])) {
1505           $contactID = $value['contact_id'];
1506         }
1507         else {
1508           $contactID = $this->getContactID();
1509         }
1510
1511         CRM_Event_Form_Registration_Confirm::fixLocationFields($value, $fields, $this);
1512         //for free event or additional participant, dont create billing email address.
1513         if (empty($value['is_primary']) || !$this->_values['event']['is_monetary']) {
1514           unset($value["email-{$this->_bltID}"]);
1515         }
1516
1517         $contactID = CRM_Event_Form_Registration_Confirm::updateContactFields($contactID, $value, $fields, $this);
1518
1519         // lets store the contactID in the session
1520         // we dont store in userID in case the user is doing multiple
1521         // transactions etc
1522         // for things like tell a friend
1523         if (!$this->getContactID() && !empty($value['is_primary'])) {
1524           $session->set('transaction.userID', $contactID);
1525         }
1526
1527         //lets get the status if require approval or waiting.
1528
1529         $waitingStatuses = CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Waiting'");
1530         if ($this->_allowWaitlist && !$this->_allowConfirmation) {
1531           $value['participant_status_id'] = $value['participant_status'] = array_search('On waitlist', $waitingStatuses);
1532         }
1533         elseif ($this->_requireApproval && !$this->_allowConfirmation) {
1534           $value['participant_status_id'] = $value['participant_status'] = array_search('Awaiting approval', $waitingStatuses);
1535         }
1536
1537         $this->set('value', $value);
1538         $this->confirmPostProcess($contactID, NULL);
1539
1540         //lets get additional participant id to cancel.
1541         if ($this->_allowConfirmation && is_array($cancelledIds)) {
1542           $additonalId = $value['participant_id'] ?? NULL;
1543           if ($additonalId && $key = array_search($additonalId, $cancelledIds)) {
1544             unset($cancelledIds[$key]);
1545           }
1546         }
1547       }
1548     }
1549
1550     // update status and send mail to cancelled additional participants, CRM-4320
1551     if ($this->_allowConfirmation && is_array($cancelledIds) && !empty($cancelledIds)) {
1552       $cancelledId = array_search('Cancelled',
1553         CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Negative'")
1554       );
1555       CRM_Event_BAO_Participant::transitionParticipants($cancelledIds, $cancelledId);
1556     }
1557
1558     //set information about additional participants if exists
1559     if (count($this->_participantInfo)) {
1560       $this->set('participantInfo', $this->_participantInfo);
1561     }
1562
1563     //send mail Confirmation/Receipt
1564     if ($this->_contributeMode != 'checkout' ||
1565       $this->_contributeMode != 'notify'
1566     ) {
1567       $this->sendMails($params, $registerByID, $participantCount);
1568     }
1569   }
1570
1571   /**
1572    * Send Mail to participants.
1573    *
1574    * @param $params
1575    * @param $registerByID
1576    * @param array $participantCount
1577    *
1578    * @throws \CiviCRM_API3_Exception
1579    */
1580   private function sendMails($params, $registerByID, array $participantCount) {
1581     $isTest = FALSE;
1582     if ($this->_action & CRM_Core_Action::PREVIEW) {
1583       $isTest = TRUE;
1584     }
1585
1586     //handle if no additional participant.
1587     if (!$registerByID) {
1588       $registerByID = $this->get('registerByID');
1589     }
1590     $primaryContactId = $this->get('primaryContactId');
1591
1592     //build an array of custom profile and assigning it to template.
1593     $additionalIDs = CRM_Event_BAO_Event::buildCustomProfile($registerByID, NULL,
1594       $primaryContactId, $isTest, TRUE
1595     );
1596
1597     //lets carry all participant params w/ values.
1598     foreach ($additionalIDs as $participantID => $contactId) {
1599       $participantNum = NULL;
1600       if ($participantID == $registerByID) {
1601         $participantNum = 0;
1602       }
1603       else {
1604         if ($participantNum = array_search('participant', $participantCount)) {
1605           unset($participantCount[$participantNum]);
1606         }
1607       }
1608
1609       if ($participantNum === NULL) {
1610         break;
1611       }
1612
1613       //carry the participant submitted values.
1614       $this->_values['params'][$participantID] = $params[$participantNum];
1615     }
1616
1617     //lets send  mails to all with meanigful text, CRM-4320.
1618     $this->assign('isOnWaitlist', $this->_allowWaitlist);
1619     $this->assign('isRequireApproval', $this->_requireApproval);
1620
1621     foreach ($additionalIDs as $participantID => $contactId) {
1622       if ($participantID == $registerByID) {
1623         //set as Primary Participant
1624         $this->assign('isPrimary', 1);
1625
1626         $customProfile = CRM_Event_BAO_Event::buildCustomProfile($participantID, $this->_values, NULL, $isTest);
1627
1628         if (count($customProfile)) {
1629           $this->assign('customProfile', $customProfile);
1630           $this->set('customProfile', $customProfile);
1631         }
1632       }
1633       else {
1634         $this->assign('isPrimary', 0);
1635         $this->assign('customProfile', NULL);
1636       }
1637
1638       //send Confirmation mail to Primary & additional Participants if exists
1639       CRM_Event_BAO_Event::sendMail($contactId, $this->_values, $participantID, $isTest);
1640     }
1641   }
1642
1643   /**
1644    * Get redirect URL to send folks back to event info page is registration not available.
1645    *
1646    * @return string
1647    */
1648   private function getInfoPageUrl(): string {
1649     return CRM_Utils_System::url('civicrm/event/info', 'reset=1&id=' . $this->getEventID(),
1650       FALSE, NULL, FALSE, TRUE
1651     );
1652   }
1653
1654 }