CRM/Event/Form/Registration/AdditionalParticipant.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  *
  14  *
  15  * @package CRM
  16  * @copyright CiviCRM LLC https://civicrm.org/licensing
  17  */
  18
  19 /**
  20  * This class generates form components for processing Event.
  21  */
  22 class CRM_Event_Form_Registration_AdditionalParticipant extends CRM_Event_Form_Registration {
  23
  24   /**
  25    * Pre-registered additional participant id.
  26    * @var int
  27    */
  28   public $additionalParticipantId = NULL;
  29
  30   /**
  31    * Set variables up before form is built.
  32    *
  33    * @return void
  34    */
  35   public function preProcess() {
  36     parent::preProcess();
  37
  38     $participantNo = substr($this->_name, 12);
  39
  40     //lets process in-queue participants.
  41     if ($this->_participantId && $this->_additionalParticipantIds) {
  42       $this->_additionalParticipantId = CRM_Utils_Array::value($participantNo, $this->_additionalParticipantIds);
  43     }
  44
  45     $participantCnt = $participantNo + 1;
  46     $this->assign('formId', $participantNo);
  47     $this->_params = [];
  48     $this->_params = $this->get('params');
  49
  50     $participantTot = $this->_params[0]['additional_participants'] + 1;
  51     $skipCount = count(array_keys($this->_params, "skip"));
  52     if ($skipCount) {
  53       $this->assign('skipCount', $skipCount);
  54     }
  55     CRM_Utils_System::setTitle(ts('Register Participant %1 of %2', [1 => $participantCnt, 2 => $participantTot]));
  56
  57     //CRM-4320, hack to check last participant.
  58     $this->_lastParticipant = FALSE;
  59     if ($participantTot == $participantCnt) {
  60       $this->_lastParticipant = TRUE;
  61     }
  62     $this->assign('lastParticipant', $this->_lastParticipant);
  63   }
  64
  65   /**
  66    * Set default values for the form. For edit/view mode
  67    * the default values are retrieved from the database
  68    *
  69    *
  70    * @return void
  71    */
  72   public function setDefaultValues() {
  73     $defaults = $unsetSubmittedOptions = [];
  74     $discountId = NULL;
  75     //fix for CRM-3088, default value for discount set.
  76     if (!empty($this->_values['discount'])) {
  77       $discountId = CRM_Core_BAO_Discount::findSet($this->_eventId, 'civicrm_event');
  78       if ($discountId && !empty($this->_values['event']['default_discount_fee_id'])) {
  79         $discountKey = CRM_Core_DAO::getFieldValue("CRM_Core_DAO_OptionValue", $this->_values['event']['default_discount_fee_id'], 'weight', 'id'
  80         );
  81         $defaults['amount'] = key(array_slice($this->_values['discount'][$discountId], $discountKey - 1, $discountKey, TRUE));
  82       }
  83     }
  84     if ($this->_priceSetId) {
  85       foreach ($this->_feeBlock as $key => $val) {
  86         if (empty($val['options'])) {
  87           continue;
  88         }
  89
  90         $optionsFull = CRM_Utils_Array::value('option_full_ids', $val, []);
  91         foreach ($val['options'] as $keys => $values) {
  92           if ($values['is_default'] && !in_array($keys, $optionsFull)) {
  93             if ($val['html_type'] == 'CheckBox') {
  94               $defaults["price_{$key}"][$keys] = 1;
  95             }
  96             else {
  97               $defaults["price_{$key}"] = $keys;
  98             }
  99           }
 100         }
 101         if (!empty($optionsFull)) {
 102           $unsetSubmittedOptions[$val['id']] = $optionsFull;
 103         }
 104       }
 105     }
 106
 107     //CRM-4320, setdefault additional participant values.
 108     if ($this->_allowConfirmation && $this->_additionalParticipantId) {
 109       //hack to get set default from eventFees.php
 110       $this->_discountId = $discountId;
 111       $this->_pId = $this->_additionalParticipantId;
 112       $this->_contactId = CRM_Core_DAO::getFieldValue('CRM_Event_DAO_Participant', $this->_additionalParticipantId, 'contact_id');
 113
 114       CRM_Event_BAO_Participant::formatFieldsAndSetProfileDefaults($this->_contactId, $this);
 115       $participantDefaults = CRM_Event_Form_EventFees::setDefaultValues($this);
 116       $participantDefaults = array_merge($this->_defaults, $participantDefaults);
 117       // use primary email address if billing email address is empty
 118       if (empty($this->_defaults["email-{$this->_bltID}"]) &&
 119         !empty($this->_defaults["email-Primary"])
 120       ) {
 121         $participantDefaults["email-{$this->_bltID}"] = $this->_defaults["email-Primary"];
 122       }
 123       $defaults = array_merge($defaults, $participantDefaults);
 124     }
 125
 126     $defaults = array_merge($this->_defaults, $defaults);
 127
 128     //reset values for all options those are full.
 129     CRM_Event_Form_Registration::resetElementValue($unsetSubmittedOptions, $this);
 130
 131     //load default campaign from page.
 132     if (array_key_exists('participant_campaign_id', $this->_fields)) {
 133       $defaults['participant_campaign_id'] = CRM_Utils_Array::value('campaign_id', $this->_values['event']);
 134     }
 135
 136     //CRM-17865 set custom field defaults
 137     if (!empty($this->_fields)) {
 138       foreach ($this->_fields as $name => $field) {
 139         if ($customFieldID = CRM_Core_BAO_CustomField::getKeyID($name)) {
 140           if (!isset($defaults[$name])) {
 141             CRM_Core_BAO_CustomField::setProfileDefaults($customFieldID, $name, $defaults,
 142               NULL, CRM_Profile_Form::MODE_REGISTER
 143             );
 144           }
 145         }
 146       }
 147     }
 148
 149     return $defaults;
 150   }
 151
 152   /**
 153    * Build the form object.
 154    *
 155    * @return void
 156    */
 157   public function buildQuickForm() {
 158
 159     $button = substr($this->controller->getButtonName(), -4);
 160
 161     if ($this->_values['event']['is_monetary']) {
 162       CRM_Event_Form_Registration_Register::buildAmount($this);
 163     }
 164
 165     //Add pre and post profiles on the form.
 166     foreach (['pre', 'post'] as $keys) {
 167       if (isset($this->_values['additional_custom_' . $keys . '_id'])) {
 168         $this->buildCustom($this->_values['additional_custom_' . $keys . '_id'], 'additionalCustom' . ucfirst($keys));
 169       }
 170     }
 171
 172     //add buttons
 173     if ($this->isLastParticipant(TRUE) && empty($this->_values['event']['is_monetary'])) {
 174       $this->submitOnce = TRUE;
 175     }
 176
 177     //handle case where user might sart with waiting by group
 178     //registration and skip some people and now group fit to
 179     //become registered so need to take payment from user.
 180     //this case only occurs at dynamic waiting status, CRM-4320
 181     $statusMessage = NULL;
 182     $allowToProceed = TRUE;
 183     $includeSkipButton = TRUE;
 184     $this->_resetAllowWaitlist = FALSE;
 185
 186     $pricesetFieldsCount = CRM_Price_BAO_PriceSet::getPricesetCount($this->_priceSetId);
 187
 188     if ($this->_lastParticipant || $pricesetFieldsCount) {
 189       //get the participant total.
 190       $processedCnt = self::getParticipantCount($this, $this->_params, TRUE);
 191     }
 192
 193     if (!$this->_allowConfirmation && !empty($this->_params[0]['bypass_payment']) &&
 194       $this->_lastParticipant
 195     ) {
 196
 197       //get the event spaces.
 198       $spaces = $this->_availableRegistrations;
 199
 200       $currentPageMaxCount = 1;
 201       if ($pricesetFieldsCount) {
 202         $currentPageMaxCount = $pricesetFieldsCount;
 203       }
 204
 205       //we might did reset allow waiting in case of dynamic calculation
 206       // @TODO - does this bypass_payment still exist?
 207       if (!empty($this->_params[0]['bypass_payment']) &&
 208         is_numeric($spaces) &&
 209         $processedCnt > $spaces
 210       ) {
 211         $this->_allowWaitlist = TRUE;
 212         $this->set('allowWaitlist', TRUE);
 213       }
 214
 215       //lets allow to become a part of runtime waiting list, if primary selected pay later.
 216       $realPayLater = FALSE;
 217       if (!empty($this->_values['event']['is_monetary']) && !empty($this->_values['event']['is_pay_later'])) {
 218         $realPayLater = CRM_Utils_Array::value('is_pay_later', $this->_params[0]);
 219       }
 220
 221       //truly spaces are greater than required.
 222       if (is_numeric($spaces) && $spaces >= ($processedCnt + $currentPageMaxCount)) {
 223         if (CRM_Utils_Array::value('amount', $this->_params[0], 0) == 0 || $this->_requireApproval) {
 224           $this->_allowWaitlist = FALSE;
 225           $this->set('allowWaitlist', $this->_allowWaitlist);
 226           if ($this->_requireApproval) {
 227             $statusMessage = ts("It looks like you are now registering a group of %1 participants. The event has %2 available spaces (you will not be wait listed). Registration for this event requires approval. You will receive an email once your registration has been reviewed.", [
 228               1 => ++$processedCnt,
 229               2 => $spaces,
 230             ]);
 231           }
 232           else {
 233             $statusMessage = ts("It looks like you are now registering a group of %1 participants. The event has %2 available spaces (you will not be wait listed).", [
 234               1 => ++$processedCnt,
 235               2 => $spaces,
 236             ]);
 237           }
 238         }
 239         else {
 240           $statusMessage = ts("It looks like you are now registering a group of %1 participants. The event has %2 available spaces (you will not be wait listed). Please go back to the main registration page and reduce the number of additional people. You will also need to complete payment information.", [
 241             1 => ++$processedCnt,
 242             2 => $spaces,
 243           ]);
 244           $allowToProceed = FALSE;
 245         }
 246         CRM_Core_Session::setStatus($statusMessage, ts('Registration Error'), 'error');
 247       }
 248       elseif ($processedCnt == $spaces) {
 249         if (CRM_Utils_Array::value('amount', $this->_params[0], 0) == 0
 250           || $realPayLater || $this->_requireApproval
 251         ) {
 252           $this->_resetAllowWaitlist = TRUE;
 253           if ($this->_requireApproval) {
 254             $statusMessage = ts("If you skip this participant there will be enough spaces in the event for your group (you will not be wait listed). Registration for this event requires approval. You will receive an email once your registration has been reviewed.");
 255           }
 256           else {
 257             $statusMessage = ts("If you skip this participant there will be enough spaces in the event for your group (you will not be wait listed).");
 258           }
 259         }
 260         else {
 261           //hey there is enough space and we require payment.
 262           $statusMessage = ts("If you skip this participant there will be enough spaces in the event for your group (you will not be wait listed). Please go back to the main registration page and reduce the number of additional people. You will also need to complete payment information.");
 263           $includeSkipButton = FALSE;
 264         }
 265       }
 266     }
 267
 268     // for priceset with count
 269     if ($pricesetFieldsCount && !empty($this->_values['event']['has_waitlist']) &&
 270       !$this->_allowConfirmation
 271     ) {
 272
 273       if ($this->_isEventFull) {
 274         $statusMessage = ts('This event is currently full. You are registering for the waiting list. You will be notified if spaces become available.');
 275       }
 276       elseif ($this->_allowWaitlist ||
 277         (!$this->_allowWaitlist && ($processedCnt + $pricesetFieldsCount) > $this->_availableRegistrations)
 278       ) {
 279
 280         $waitingMsg = ts('It looks like you are registering more participants then there are spaces available. All participants will be added to the waiting list. You will be notified if spaces become available.');
 281         $confirmedMsg = ts('It looks like there are enough spaces in this event for your group (you will not be wait listed).');
 282         if ($this->_requireApproval) {
 283           $waitingMsg = ts('It looks like you are now registering a group of %1 participants. The event has %2 available spaces (you will not be wait listed). Registration for this event requires approval. You will receive an email once your registration has been reviewed.');
 284           $confirmedMsg = ts('It looks there are enough spaces in this event for your group (you will not be wait listed). Registration for this event requires approval. You will receive an email once your registration has been reviewed.');
 285         }
 286
 287         $this->assign('waitingMsg', $waitingMsg);
 288         $this->assign('confirmedMsg', $confirmedMsg);
 289
 290         $this->assign('availableRegistrations', $this->_availableRegistrations);
 291         $this->assign('currentParticipantCount', $processedCnt);
 292         $this->assign('allowGroupOnWaitlist', TRUE);
 293
 294         $paymentBypassed = NULL;
 295         if (!empty($this->_params[0]['bypass_payment']) &&
 296           !$this->_allowWaitlist &&
 297           !$realPayLater &&
 298           !$this->_requireApproval &&
 299           !(CRM_Utils_Array::value('amount', $this->_params[0], 0) == 0)
 300         ) {
 301           $paymentBypassed = ts('Please go back to the main registration page, to complete payment information.');
 302         }
 303         $this->assign('paymentBypassed', $paymentBypassed);
 304       }
 305     }
 306
 307     $this->assign('statusMessage', $statusMessage);
 308
 309     $buttons = [
 310       [
 311         'type' => 'back',
 312         'name' => ts('Go Back'),
 313         'spacing' => '&nbsp;&nbsp;&nbsp;&nbsp',
 314       ],
 315     ];
 316
 317     //CRM-4320
 318     if ($allowToProceed) {
 319       $buttons = array_merge($buttons, [
 320         [
 321           'type' => 'upload',
 322           'name' => ts('Continue'),
 323           'spacing' => '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;',
 324           'isDefault' => TRUE,
 325         ],
 326       ]);
 327       if ($includeSkipButton) {
 328         $buttons = array_merge($buttons, [
 329           [
 330             'type' => 'next',
 331             'name' => ts('Skip Participant'),
 332             'subName' => 'skip',
 333             'icon' => 'fa-fast-forward',
 334           ],
 335         ]);
 336       }
 337     }
 338     $this->addButtons($buttons);
 339     $this->addFormRule(['CRM_Event_Form_Registration_AdditionalParticipant', 'formRule'], $this);
 340     $this->unsavedChangesWarn = TRUE;
 341   }
 342
 343   /**
 344    * Global form rule.
 345    *
 346    * @param array $fields
 347    *   The input form values.
 348    * @param array $files
 349    *   The uploaded files if any.
 350    * @param $self
 351    *
 352    *
 353    * @return bool|array
 354    *   true if no errors, else array of errors
 355    */
 356   public static function formRule($fields, $files, $self) {
 357     $errors = [];
 358     //get the button name.
 359     $button = substr($self->controller->getButtonName(), -4);
 360
 361     $realPayLater = FALSE;
 362     if (!empty($self->_values['event']['is_monetary']) && !empty($self->_values['event']['is_pay_later'])) {
 363       $realPayLater = CRM_Utils_Array::value('is_pay_later', $self->_params[0]);
 364     }
 365
 366     if ($button != 'skip') {
 367       //Check that either an email or firstname+lastname is included in the form(CRM-9587)
 368       CRM_Event_Form_Registration_Register::checkProfileComplete($fields, $errors, $self->_eventId);
 369
 370       //Additional Participant can also register for an event only once
 371       $isRegistered = CRM_Event_Form_Registration_Register::checkRegistration($fields, $self, TRUE);
 372       if ($isRegistered) {
 373         if ($self->_values['event']['allow_same_participant_emails']) {
 374           $errors['_qf_default'] = ts('A person is already registered for this event.');
 375         }
 376         else {
 377           $errors["email-{$self->_bltID}"] = ts('A person with this email address is already registered for this event.');
 378         }
 379       }
 380
 381       //get the complete params.
 382       $params = $self->get('params');
 383
 384       //take the participant instance.
 385       $addParticipantNum = substr($self->_name, 12);
 386
 387       if (is_array($params)) {
 388         foreach ($params as $key => $value) {
 389           if ($key != $addParticipantNum) {
 390             if (!$self->_values['event']['allow_same_participant_emails']) {
 391               //collect all email fields
 392               $existingEmails = [];
 393               $additionalParticipantEmails = [];
 394               if (is_array($value)) {
 395                 foreach ($value as $key => $val) {
 396                   if (substr($key, 0, 6) == 'email-' && $val) {
 397                     $existingEmails[] = $val;
 398                   }
 399                 }
 400               }
 401               foreach ($fields as $key => $val) {
 402                 if (substr($key, 0, 6) == 'email-' && $val) {
 403                   $additionalParticipantEmails[] = $val;
 404                   $mailKey = $key;
 405                 }
 406               }
 407               //check if any emails are common to both arrays
 408               if (count(array_intersect($existingEmails, $additionalParticipantEmails))) {
 409                 $errors[$mailKey] = ts('The email address must be unique for each participant.');
 410                 break;
 411               }
 412             }
 413             else {
 414               // check with first_name and last_name for additional participants
 415               if (!empty($value['first_name']) && ($value['first_name'] == CRM_Utils_Array::value('first_name', $fields)) &&
 416                 (CRM_Utils_Array::value('last_name', $value) == CRM_Utils_Array::value('last_name', $fields))
 417               ) {
 418                 $errors['first_name'] = ts('The first name and last name must be unique for each participant.');
 419                 break;
 420               }
 421             }
 422           }
 423         }
 424       }
 425
 426       //check for atleast one pricefields should be selected
 427       if (!empty($fields['priceSetId'])) {
 428         $allParticipantParams = $params;
 429
 430         //format current participant params.
 431         $allParticipantParams[$addParticipantNum] = self::formatPriceSetParams($self, $fields);
 432         $totalParticipants = self::getParticipantCount($self, $allParticipantParams);
 433
 434         //validate price field params.
 435         $priceSetErrors = self::validatePriceSet($self, $allParticipantParams);
 436         $errors = array_merge($errors, CRM_Utils_Array::value($addParticipantNum, $priceSetErrors, []));
 437
 438         if (!$self->_allowConfirmation &&
 439           is_numeric($self->_availableRegistrations)
 440         ) {
 441           if (!empty($self->_params[0]['bypass_payment']) &&
 442             !$self->_allowWaitlist &&
 443             !$realPayLater &&
 444             !$self->_requireApproval &&
 445             !(CRM_Utils_Array::value('amount', $self->_params[0], 0) == 0) &&
 446             $totalParticipants < $self->_availableRegistrations
 447           ) {
 448             $errors['_qf_default'] = ts("Your event registration will be confirmed. Please go back to the main registration page, to complete payment information.");
 449           }
 450           //check for availability of registrations.
 451           if (!$self->_allowConfirmation && empty($self->_values['event']['has_waitlist']) &&
 452             $totalParticipants > $self->_availableRegistrations
 453           ) {
 454             $errors['_qf_default'] = ts('Sorry, it looks like this event only has %2 spaces available, and you are trying to register %1 participants. Please change your selections accordingly.', [
 455               1 => $totalParticipants,
 456               2 => $self->_availableRegistrations,
 457             ]);
 458           }
 459         }
 460       }
 461     }
 462
 463     if ($button == 'skip' && $self->_lastParticipant && !empty($fields['priceSetId'])) {
 464       $pricesetFieldsCount = CRM_Price_BAO_PriceSet::getPricesetCount($fields['priceSetId']);
 465       if (($pricesetFieldsCount < 1) || $self->_allowConfirmation) {
 466         return $errors;
 467       }
 468
 469       if (!empty($self->_values['event']['has_waitlist']) && !empty($self->_params[0]['bypass_payment']) &&
 470         !$self->_allowWaitlist &&
 471         !$realPayLater &&
 472         !$self->_requireApproval &&
 473         !(CRM_Utils_Array::value('amount', $self->_params[0], 0) == 0)
 474       ) {
 475         $errors['_qf_default'] = ts("You are going to skip the last participant, your event registration will be confirmed. Please go back to the main registration page, to complete payment information.");
 476       }
 477     }
 478
 479     if ($button != 'skip' &&
 480       $self->_values['event']['is_monetary'] &&
 481       !isset($errors['_qf_default']) &&
 482       !$self->validatePaymentValues($self, $fields)
 483     ) {
 484       $errors['_qf_default'] = ts("Your payment information looks incomplete. Please go back to the main registration page, to complete payment information.");
 485       $self->set('forcePayement', TRUE);
 486     }
 487     elseif ($button == 'skip') {
 488       $self->set('forcePayement', TRUE);
 489     }
 490
 491     return $errors;
 492   }
 493
 494   /**
 495    * @param $self
 496    * @param $fields
 497    *
 498    * @return bool
 499    */
 500   public function validatePaymentValues($self, $fields) {
 501
 502     if (!empty($self->_params[0]['bypass_payment']) ||
 503       $self->_allowWaitlist ||
 504       empty($self->_fields) ||
 505       CRM_Utils_Array::value('amount', $self->_params[0]) > 0
 506     ) {
 507       return TRUE;
 508     }
 509
 510     $validatePayement = FALSE;
 511     if (!empty($fields['priceSetId'])) {
 512       $lineItem = [];
 513       CRM_Price_BAO_PriceSet::processAmount($self->_values['fee'], $fields, $lineItem);
 514       if ($fields['amount'] > 0) {
 515         $validatePayement = TRUE;
 516         // return false;
 517       }
 518     }
 519     elseif (!empty($fields['amount']) &&
 520       (CRM_Utils_Array::value('value', $self->_values['fee'][$fields['amount']]) > 0)
 521     ) {
 522       $validatePayement = TRUE;
 523     }
 524
 525     if (!$validatePayement) {
 526       return TRUE;
 527     }
 528
 529     $errors = [];
 530
 531     CRM_Core_Form::validateMandatoryFields($self->_fields, $fields, $errors);
 532
 533     if (isset($self->_params[0]['payment_processor'])) {
 534       // validate supplied payment instrument values (e.g. credit card number and cvv)
 535       $payment_processor_id = $self->_params[0]['payment_processor'];
 536       CRM_Core_Payment_Form::validatePaymentInstrument($payment_processor_id, $self->_params[0], $errors, (!$self->_isBillingAddressRequiredForPayLater ? NULL : 'billing'));
 537     }
 538     if (!empty($errors)) {
 539       return FALSE;
 540     }
 541
 542     foreach (CRM_Contact_BAO_Contact::$_greetingTypes as $greeting) {
 543       if ($greetingType = CRM_Utils_Array::value($greeting, $self->_params[0])) {
 544         $customizedValue = CRM_Core_PseudoConstant::getKey('CRM_Contact_BAO_Contact', $greeting . '_id', 'Customized');
 545         if ($customizedValue == $greetingType && empty($self->_params[0][$greeting . '_custom'])) {
 546           return FALSE;
 547         }
 548       }
 549     }
 550     return TRUE;
 551   }
 552
 553   /**
 554    * Process the form submission.
 555    *
 556    *
 557    * @return void
 558    */
 559   public function postProcess() {
 560     //get the button name.
 561     $button = substr($this->controller->getButtonName(), -4);
 562
 563     //take the participant instance.
 564     $addParticipantNum = substr($this->_name, 12);
 565
 566     //user submitted params.
 567     $params = $this->controller->exportValues($this->_name);
 568
 569     if (!$this->_allowConfirmation) {
 570       // check if the participant is already registered
 571       $params['contact_id'] = CRM_Event_Form_Registration_Register::getRegistrationContactID($params, $this, TRUE);
 572     }
 573
 574     if (!empty($params['image_URL'])) {
 575       CRM_Contact_BAO_Contact::processImageParams($params);
 576     }
 577     //carry campaign to partcipants.
 578     if (array_key_exists('participant_campaign_id', $params)) {
 579       $params['campaign_id'] = $params['participant_campaign_id'];
 580     }
 581     else {
 582       $params['campaign_id'] = CRM_Utils_Array::value('campaign_id', $this->_values['event']);
 583     }
 584
 585     // if waiting is enabled
 586     if (!$this->_allowConfirmation &&
 587       is_numeric($this->_availableRegistrations)
 588     ) {
 589       $this->_allowWaitlist = FALSE;
 590       //get the current page count.
 591       $currentCount = self::getParticipantCount($this, $params);
 592       if ($button == 'skip') {
 593         $currentCount = 'skip';
 594       }
 595
 596       //get the total count.
 597       $previousCount = self::getParticipantCount($this, $this->_params, TRUE);
 598       $totalParticipants = $previousCount;
 599       if (is_numeric($currentCount)) {
 600         $totalParticipants += $currentCount;
 601       }
 602       if (!empty($this->_values['event']['has_waitlist']) &&
 603         $totalParticipants > $this->_availableRegistrations
 604       ) {
 605         $this->_allowWaitlist = TRUE;
 606       }
 607       $this->set('allowWaitlist', $this->_allowWaitlist);
 608       $this->_lineItemParticipantsCount[$addParticipantNum] = $currentCount;
 609     }
 610
 611     if ($button == 'skip') {
 612       //hack for free/zero amount event.
 613       if ($this->_resetAllowWaitlist) {
 614         $this->_allowWaitlist = FALSE;
 615         $this->set('allowWaitlist', FALSE);
 616         if ($this->_requireApproval) {
 617           $status = ts("You have skipped last participant and which result into event having enough spaces, but your registration require approval, Once your registration has been reviewed, you will receive an email with a link to a web page where you can complete the registration process.");
 618         }
 619         else {
 620           $status = ts("You have skipped last participant and which result into event having enough spaces, hence your group become as register participants though you selected on wait list.");
 621         }
 622         CRM_Core_Session::setStatus($status);
 623       }
 624
 625       $this->_params[$addParticipantNum] = 'skip';
 626       if (isset($this->_lineItem)) {
 627         $this->_lineItem[$addParticipantNum] = 'skip';
 628         $this->_lineItemParticipantsCount[$addParticipantNum] = 'skip';
 629       }
 630     }
 631     else {
 632
 633       $config = CRM_Core_Config::singleton();
 634       $params['currencyID'] = $config->defaultCurrency;
 635
 636       if ($this->_values['event']['is_monetary']) {
 637
 638         //added for discount
 639         $discountId = CRM_Core_BAO_Discount::findSet($this->_eventId, 'civicrm_event');
 640         $params['amount_level'] = $this->getAmountLevel($params, $discountId);
 641         if (!empty($this->_values['discount'][$discountId])) {
 642           $params['discount_id'] = $discountId;
 643           $params['amount'] = $this->_values['discount'][$discountId][$params['amount']]['value'];
 644         }
 645         elseif (empty($params['priceSetId'])) {
 646           $params['amount'] = $this->_values['fee'][$params['amount']]['value'];
 647         }
 648         else {
 649           $lineItem = [];
 650           CRM_Price_BAO_PriceSet::processAmount($this->_values['fee'], $params, $lineItem);
 651
 652           //build line item array..
 653           //if requireApproval/waitlist is enabled we hide fees for primary participant
 654           // (and not for additional participant which might be is a bug)
 655           //lineItem are not correctly build for primary participant
 656           //this results in redundancy since now lineItems for additional participant will be build against primary participantNum
 657           //therefore lineItems must always be build against current participant No
 658           $this->_lineItem[$addParticipantNum] = $lineItem;
 659         }
 660       }
 661
 662       if (array_key_exists('participant_role', $params)) {
 663         $params['participant_role_id'] = $params['participant_role'];
 664       }
 665
 666       if (empty($params['participant_role_id']) && $this->_values['event']['default_role_id']) {
 667         $params['participant_role_id'] = $this->_values['event']['default_role_id'];
 668       }
 669
 670       if (!empty($this->_params[0]['is_pay_later'])) {
 671         $params['is_pay_later'] = 1;
 672       }
 673
 674       //carry additional participant id, contact id if pre-registered.
 675       if ($this->_allowConfirmation && $this->_additionalParticipantId) {
 676         $params['contact_id'] = $this->_contactId;
 677         $params['participant_id'] = $this->_additionalParticipantId;
 678       }
 679
 680       //build the params array.
 681       $this->_params[$addParticipantNum] = $params;
 682     }
 683
 684     //finally set the params.
 685     $this->set('params', $this->_params);
 686     //set the line item.
 687     if ($this->_lineItem) {
 688       $this->set('lineItem', $this->_lineItem);
 689       $this->set('lineItemParticipantsCount', $this->_lineItemParticipantsCount);
 690     }
 691
 692     $participantNo = count($this->_params);
 693     if ($button != 'skip') {
 694       $statusMsg = ts('Registration information for participant %1 has been saved.', [1 => $participantNo]);
 695       CRM_Core_Session::setStatus($statusMsg, ts('Registration Saved'), 'success');
 696     }
 697
 698     // Check whether to process the registration now, calling processRegistration()
 699     if (
 700     // CRM-11182 - Optional confirmation screen
 701       !$this->_values['event']['is_confirm_enabled']
 702       && !$this->_values['event']['is_monetary']
 703       && CRM_Utils_Array::value('additional_participants', $this->_params[0])
 704       && $this->isLastParticipant()
 705     ) {
 706       $this->processRegistration($this->_params);
 707     }
 708   }
 709
 710   /**
 711    * @param $additionalParticipant
 712    *
 713    * @return array
 714    */
 715   public static function &getPages($additionalParticipant) {
 716     $details = [];
 717     for ($i = 1; $i <= $additionalParticipant; $i++) {
 718       $details["Participant_{$i}"] = [
 719         'className' => 'CRM_Event_Form_Registration_AdditionalParticipant',
 720         'title' => "Register Additional Participant {$i}",
 721       ];
 722     }
 723     return $details;
 724   }
 725
 726   /**
 727    * Check whether call current participant is last one.
 728    *
 729    * @param bool $isButtonJs
 730    *
 731    * @return bool
 732    *   ture on success.
 733    */
 734   public function isLastParticipant($isButtonJs = FALSE) {
 735     $participant = $isButtonJs ? $this->_params[0]['additional_participants'] : $this->_params[0]['additional_participants'] + 1;
 736     if (count($this->_params) == $participant) {
 737       return TRUE;
 738     }
 739     return FALSE;
 740   }
 741
 742 }