CRM/Event/Form/Registration/Register.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_Register extends CRM_Event_Form_Registration {
  21
  22   /**
  23    * The fields involved in this page.
  24    *
  25    * @var array
  26    */
  27   public $_fields;
  28
  29   /**
  30    * The status message that user view.
  31    *
  32    * @var string
  33    */
  34   protected $_waitlistMsg;
  35   protected $_requireApprovalMsg;
  36
  37   /**
  38    * Deprecated parameter that we hope to remove.
  39    *
  40    * @var bool
  41    */
  42   public $_quickConfig;
  43
  44   /**
  45    * Skip duplicate check.
  46    *
  47    * This can be set using hook_civicrm_buildForm() to override the registration dupe check.
  48    * CRM-7604
  49    *
  50    * @var bool
  51    */
  52   public $_skipDupeRegistrationCheck = FALSE;
  53
  54   public $_paymentProcessorID;
  55
  56   /**
  57    * Show fee block or not.
  58    *
  59    * @var bool
  60    */
  61   public $_noFees;
  62
  63   /**
  64    * Fee Block.
  65    *
  66    * @var array
  67    */
  68   public $_feeBlock;
  69
  70   /**
  71    * Array of payment related fields to potentially display on this form (generally credit card or debit card fields).
  72    *
  73    * This is rendered via billingBlock.tpl.
  74    *
  75    * @var array
  76    */
  77   public $_paymentFields = [];
  78
  79   /**
  80    * Is this submission incurring no costs.
  81    *
  82    * @param array $fields
  83    * @param \CRM_Event_Form_Registration_Register $form
  84    *
  85    * @return bool
  86    */
  87   protected static function isZeroAmount($fields, $form): bool {
  88     $isZeroAmount = FALSE;
  89     if (!empty($fields['priceSetId'])) {
  90       if (empty($fields['amount'])) {
  91         $isZeroAmount = TRUE;
  92       }
  93     }
  94     elseif (!empty($fields['amount']) &&
  95       (isset($form->_values['discount'][$fields['amount']])
  96         && CRM_Utils_Array::value('value', $form->_values['discount'][$fields['amount']]) == 0
  97       )
  98     ) {
  99       $isZeroAmount = TRUE;
 100     }
 101     elseif (!empty($fields['amount']) &&
 102       (isset($form->_values['fee'][$fields['amount']])
 103         && CRM_Utils_Array::value('value', $form->_values['fee'][$fields['amount']]) == 0
 104       )
 105     ) {
 106       $isZeroAmount = TRUE;
 107     }
 108     return $isZeroAmount;
 109   }
 110
 111   /**
 112    * Get the contact id for the registration.
 113    *
 114    * @param array $fields
 115    * @param CRM_Event_Form_Registration $form
 116    * @param bool $isAdditional
 117    *
 118    * @return int|null
 119    */
 120   public static function getRegistrationContactID($fields, $form, $isAdditional) {
 121     $contactID = NULL;
 122     if (!$isAdditional) {
 123       $contactID = $form->getContactID();
 124     }
 125     if (!$contactID && is_array($fields) && $fields) {
 126       $contactID = CRM_Contact_BAO_Contact::getFirstDuplicateContact($fields, 'Individual', 'Unsupervised', [], FALSE, CRM_Utils_Array::value('dedupe_rule_group_id', $form->_values['event']), ['event_id' => CRM_Utils_Array::value('id', $form->_values['event'])]);
 127     }
 128     return $contactID;
 129   }
 130
 131   /**
 132    * Set variables up before form is built.
 133    *
 134    * @throws \CRM_Core_Exception
 135    */
 136   public function preProcess() {
 137     parent::preProcess();
 138
 139     //CRM-4320.
 140     //here we can't use parent $this->_allowWaitlist as user might
 141     //walk back and we might set this value in this postProcess.
 142     //(we set when spaces < group count and want to allow become part of waiting )
 143     $eventFull = CRM_Event_BAO_Participant::eventFull($this->_eventId, FALSE, CRM_Utils_Array::value('has_waitlist', $this->_values['event']));
 144
 145     // Get payment processors if appropriate for this event
 146     // We hide the payment fields if the event is full or requires approval,
 147     // and the current user has not yet been approved CRM-12279
 148     $this->_noFees = (($eventFull || $this->_requireApproval) && !$this->_allowConfirmation);
 149     $this->_paymentProcessors = $this->_noFees ? [] : $this->get('paymentProcessors');
 150     $this->preProcessPaymentOptions();
 151
 152     $this->_allowWaitlist = FALSE;
 153     if ($eventFull && !$this->_allowConfirmation && !empty($this->_values['event']['has_waitlist'])) {
 154       $this->_allowWaitlist = TRUE;
 155       $this->_waitlistMsg = CRM_Utils_Array::value('waitlist_text', $this->_values['event']);
 156       if (!$this->_waitlistMsg) {
 157         $this->_waitlistMsg = ts('This event is currently full. However you can register now and get added to a waiting list. You will be notified if spaces become available.');
 158       }
 159     }
 160     $this->set('allowWaitlist', $this->_allowWaitlist);
 161
 162     //To check if the user is already registered for the event(CRM-2426)
 163     if (!$this->_skipDupeRegistrationCheck) {
 164       self::checkRegistration(NULL, $this);
 165     }
 166
 167     $this->assign('availableRegistrations', $this->_availableRegistrations);
 168
 169     // get the participant values from EventFees.php, CRM-4320
 170     if ($this->_allowConfirmation) {
 171       CRM_Event_Form_EventFees::preProcess($this);
 172     }
 173   }
 174
 175   /**
 176    * Set default values for the form.
 177    *
 178    * @return array
 179    *
 180    * @throws \CRM_Core_Exception
 181    * @throws \CiviCRM_API3_Exception
 182    */
 183   public function setDefaultValues() {
 184     $this->_defaults = [];
 185     if (!$this->_allowConfirmation && $this->_requireApproval) {
 186       $this->_defaults['bypass_payment'] = 1;
 187     }
 188     $contactID = $this->getContactID();
 189     CRM_Core_Payment_Form::setDefaultValues($this, $contactID);
 190
 191     CRM_Event_BAO_Participant::formatFieldsAndSetProfileDefaults($contactID, $this);
 192
 193     // Set default payment processor as default payment_processor radio button value
 194     if (!empty($this->_paymentProcessors)) {
 195       foreach ($this->_paymentProcessors as $pid => $value) {
 196         if (!empty($value['is_default'])) {
 197           $this->_defaults['payment_processor_id'] = $pid;
 198         }
 199       }
 200     }
 201
 202     //if event is monetary and pay later is enabled and payment
 203     //processor is not available then freeze the pay later checkbox with
 204     //default check
 205     if (!empty($this->_values['event']['is_pay_later']) &&
 206       !is_array($this->_paymentProcessor)
 207     ) {
 208       $this->_defaults['is_pay_later'] = 1;
 209     }
 210
 211     //set custom field defaults
 212     if (!empty($this->_fields)) {
 213       //load default campaign from page.
 214       if (array_key_exists('participant_campaign_id', $this->_fields)) {
 215         $this->_defaults['participant_campaign_id'] = CRM_Utils_Array::value('campaign_id',
 216           $this->_values['event']
 217         );
 218       }
 219
 220       foreach ($this->_fields as $name => $field) {
 221         if ($customFieldID = CRM_Core_BAO_CustomField::getKeyID($name)) {
 222           // fix for CRM-1743
 223           if (!isset($this->_defaults[$name])) {
 224             CRM_Core_BAO_CustomField::setProfileDefaults($customFieldID, $name, $this->_defaults,
 225               NULL, CRM_Profile_Form::MODE_REGISTER
 226             );
 227           }
 228         }
 229       }
 230     }
 231
 232     //fix for CRM-3088, default value for discount set.
 233     $discountId = NULL;
 234     if (!empty($this->_values['discount'])) {
 235       $discountId = CRM_Core_BAO_Discount::findSet($this->_eventId, 'civicrm_event');
 236       if ($discountId) {
 237         if (isset($this->_values['event']['default_discount_fee_id'])) {
 238           $discountKey = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_OptionValue',
 239             $this->_values['event']['default_discount_fee_id'],
 240             'weight', 'id'
 241           );
 242
 243           $this->_defaults['amount'] = key(array_slice($this->_values['discount'][$discountId],
 244             $discountKey - 1, $discountKey, TRUE
 245           ));
 246         }
 247       }
 248     }
 249
 250     // add this event's default participant role to defaults array
 251     // (for cases where participant_role field is included in form via profile)
 252     if ($this->_values['event']['default_role_id']) {
 253       $this->_defaults['participant_role']
 254         = $this->_defaults['participant_role_id'] = $this->_values['event']['default_role_id'];
 255     }
 256     if ($this->_priceSetId && !empty($this->_feeBlock)) {
 257       foreach ($this->_feeBlock as $key => $val) {
 258         if (empty($val['options'])) {
 259           continue;
 260         }
 261         $optionFullIds = CRM_Utils_Array::value('option_full_ids', $val, []);
 262         foreach ($val['options'] as $keys => $values) {
 263           if ($values['is_default'] && empty($values['is_full'])) {
 264
 265             if ($val['html_type'] == 'CheckBox') {
 266               $this->_defaults["price_{$key}"][$keys] = 1;
 267             }
 268             else {
 269               $this->_defaults["price_{$key}"] = $keys;
 270             }
 271           }
 272         }
 273         $unsetSubmittedOptions[$val['id']] = $optionFullIds;
 274       }
 275       //reset values for all options those are full.
 276       CRM_Event_Form_Registration::resetElementValue($unsetSubmittedOptions, $this);
 277     }
 278
 279     //set default participant fields, CRM-4320.
 280     $hasAdditionalParticipants = FALSE;
 281     if ($this->_allowConfirmation) {
 282       $this->_contactId = $contactID;
 283       $this->_discountId = $discountId;
 284       $forcePayLater = CRM_Utils_Array::value('is_pay_later', $this->_defaults, FALSE);
 285       $this->_defaults = array_merge($this->_defaults, CRM_Event_Form_EventFees::setDefaultValues($this));
 286       $this->_defaults['is_pay_later'] = $forcePayLater;
 287
 288       if ($this->_additionalParticipantIds) {
 289         $hasAdditionalParticipants = TRUE;
 290         $this->_defaults['additional_participants'] = count($this->_additionalParticipantIds);
 291       }
 292     }
 293     $this->assign('hasAdditionalParticipants', $hasAdditionalParticipants);
 294
 295     //         //hack to simplify credit card entry for testing
 296     //         $this->_defaults['credit_card_type']     = 'Visa';
 297     //         $this->_defaults['credit_card_number']   = '4807731747657838';
 298     //         $this->_defaults['cvv2']                 = '000';
 299     //         $this->_defaults['credit_card_exp_date'] = array( 'Y' => '2010', 'M' => '05' );
 300
 301     // to process Custom data that are appended to URL
 302     $getDefaults = CRM_Core_BAO_CustomGroup::extractGetParams($this, "'Contact', 'Individual', 'Contribution', 'Participant'");
 303     if (!empty($getDefaults)) {
 304       $this->_defaults = array_merge($this->_defaults, $getDefaults);
 305     }
 306
 307     return $this->_defaults;
 308   }
 309
 310   /**
 311    * Build the form object.
 312    */
 313   public function buildQuickForm() {
 314     // build profiles first so that we can determine address fields etc
 315     // and then show copy address checkbox
 316     $this->buildCustom($this->_values['custom_pre_id'], 'customPre');
 317     $this->buildCustom($this->_values['custom_post_id'], 'customPost');
 318
 319     // CRM-18399: used by template to pass pre profile id as a url arg
 320     $this->assign('custom_pre_id', $this->_values['custom_pre_id']);
 321
 322     CRM_Core_Payment_ProcessorForm::buildQuickForm($this);
 323
 324     $contactID = $this->getContactID();
 325     if ($contactID) {
 326       $this->assign('contact_id', $contactID);
 327       $this->assign('display_name', CRM_Contact_BAO_Contact::displayName($contactID));
 328     }
 329
 330     $bypassPayment = $allowGroupOnWaitlist = $isAdditionalParticipants = FALSE;
 331     if ($this->_values['event']['is_multiple_registrations']) {
 332       // don't allow to add additional during confirmation if not preregistered.
 333       if (!$this->_allowConfirmation || $this->_additionalParticipantIds) {
 334         // CRM-17745: Make maximum additional participants configurable
 335         // Label is value + 1, since the code sees this is ADDITIONAL participants (in addition to "self")
 336         $additionalOptions = [];
 337         $additionalOptions[''] = 1;
 338         for ($i = 1; $i <= $this->_values['event']['max_additional_participants']; $i++) {
 339           $additionalOptions[$i] = $i + 1;
 340         }
 341         $this->add('select', 'additional_participants',
 342           ts('How many people are you registering?'),
 343           $additionalOptions,
 344           NULL,
 345           ['onChange' => "allowParticipant()"]
 346         );
 347         $isAdditionalParticipants = TRUE;
 348       }
 349     }
 350
 351     if (!$this->_allowConfirmation) {
 352       $bypassPayment = TRUE;
 353     }
 354
 355     //hack to allow group to register w/ waiting
 356     if ((!empty($this->_values['event']['is_multiple_registrations']) ||
 357         $this->_priceSetId
 358       ) &&
 359       !$this->_allowConfirmation &&
 360       is_numeric($this->_availableRegistrations) && !empty($this->_values['event']['has_waitlist'])
 361     ) {
 362       $bypassPayment = TRUE;
 363       //case might be group become as a part of waitlist.
 364       //If not waitlist then they require admin approve.
 365       $allowGroupOnWaitlist = TRUE;
 366       $this->_waitlistMsg = ts("This event has only %1 space(s) left. If you continue and register more than %1 people (including yourself ), the whole group will be wait listed. Or, you can reduce the number of people you are registering to %1 to avoid being put on the waiting list.", [1 => $this->_availableRegistrations]);
 367
 368       if ($this->_requireApproval) {
 369         $this->_requireApprovalMsg = CRM_Utils_Array::value('approval_req_text', $this->_values['event'],
 370           ts('Registration for this event requires approval. Once your registration(s) have been reviewed, you will receive an email with a link to a web page where you can complete the registration process.')
 371         );
 372       }
 373     }
 374
 375     //case where only approval needed - no waitlist.
 376     if ($this->_requireApproval &&
 377       !$this->_allowWaitlist && !$bypassPayment
 378     ) {
 379       $this->_requireApprovalMsg = CRM_Utils_Array::value('approval_req_text', $this->_values['event'],
 380         ts('Registration for this event requires 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.')
 381       );
 382     }
 383
 384     //lets display status to primary page only.
 385     $this->assign('waitlistMsg', $this->_waitlistMsg);
 386     $this->assign('requireApprovalMsg', $this->_requireApprovalMsg);
 387     $this->assign('allowGroupOnWaitlist', $allowGroupOnWaitlist);
 388     $this->assign('isAdditionalParticipants', $isAdditionalParticipants);
 389
 390     if ($this->_values['event']['is_monetary']) {
 391       self::buildAmount($this);
 392     }
 393
 394     $pps = $this->getProcessors();
 395     if ($this->getContactID() === 0 && !$this->_values['event']['is_multiple_registrations']) {
 396       //@todo we are blocking for multiple registrations because we haven't tested
 397       $this->addCIDZeroOptions();
 398     }
 399
 400     if ($this->_values['event']['is_monetary']) {
 401       if (count($pps) > 1) {
 402         $this->addRadio('payment_processor_id', ts('Payment Method'), $pps,
 403           NULL, "&nbsp;"
 404         );
 405       }
 406       elseif (!empty($pps)) {
 407         $ppKeys = array_keys($pps);
 408         $currentPP = array_pop($ppKeys);
 409         $this->addElement('hidden', 'payment_processor_id', $currentPP);
 410       }
 411     }
 412
 413     $this->addElement('hidden', 'bypass_payment', NULL, ['id' => 'bypass_payment']);
 414
 415     $this->assign('bypassPayment', $bypassPayment);
 416
 417     $userID = $this->getContactID();
 418
 419     if (!$userID) {
 420       $createCMSUser = FALSE;
 421
 422       if ($this->_values['custom_pre_id']) {
 423         $profileID = $this->_values['custom_pre_id'];
 424         $createCMSUser = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_UFGroup', $profileID, 'is_cms_user');
 425       }
 426
 427       if (!$createCMSUser &&
 428         $this->_values['custom_post_id']
 429       ) {
 430         if (!is_array($this->_values['custom_post_id'])) {
 431           $profileIDs = [$this->_values['custom_post_id']];
 432         }
 433         else {
 434           $profileIDs = $this->_values['custom_post_id'];
 435         }
 436         foreach ($profileIDs as $pid) {
 437           if (CRM_Core_DAO::getFieldValue('CRM_Core_DAO_UFGroup', $pid, 'is_cms_user')) {
 438             $profileID = $pid;
 439             $createCMSUser = TRUE;
 440             break;
 441           }
 442         }
 443       }
 444
 445       if ($createCMSUser) {
 446         CRM_Core_BAO_CMSUser::buildForm($this, $profileID, TRUE);
 447       }
 448     }
 449
 450     //we have to load confirm contribution button in template
 451     //when multiple payment processor as the user
 452     //can toggle with payment processor selection
 453     $billingModePaymentProcessors = 0;
 454     if (!CRM_Utils_System::isNull($this->_paymentProcessors)) {
 455       foreach ($this->_paymentProcessors as $key => $values) {
 456         if ($values['billing_mode'] == CRM_Core_Payment::BILLING_MODE_BUTTON) {
 457           $billingModePaymentProcessors++;
 458         }
 459       }
 460     }
 461
 462     if ($billingModePaymentProcessors && count($this->_paymentProcessors) == $billingModePaymentProcessors) {
 463       $allAreBillingModeProcessors = TRUE;
 464     }
 465     else {
 466       $allAreBillingModeProcessors = FALSE;
 467     }
 468
 469     if (!$allAreBillingModeProcessors || !empty($this->_values['event']['is_pay_later']) || $bypassPayment
 470     ) {
 471
 472       //freeze button to avoid multiple calls.
 473       if (empty($this->_values['event']['is_monetary'])) {
 474         $this->submitOnce = TRUE;
 475       }
 476
 477       // CRM-11182 - Optional confirmation screen
 478       // Change button label depending on whether the next action is confirm or register
 479       if (
 480         !$this->_values['event']['is_multiple_registrations']
 481         && !$this->_values['event']['is_monetary']
 482         && !$this->_values['event']['is_confirm_enabled']
 483       ) {
 484         $buttonLabel = ts('Register');
 485       }
 486       else {
 487         $buttonLabel = ts('Continue');
 488       }
 489
 490       $this->addButtons([
 491         [
 492           'type' => 'upload',
 493           'name' => $buttonLabel,
 494           'spacing' => '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;',
 495           'isDefault' => TRUE,
 496         ],
 497       ]);
 498     }
 499
 500     $this->addFormRule(['CRM_Event_Form_Registration_Register', 'formRule'], $this);
 501     $this->unsavedChangesWarn = TRUE;
 502
 503     // add pcp fields
 504     if ($this->_pcpId) {
 505       CRM_PCP_BAO_PCP::buildPcp($this->_pcpId, $this);
 506     }
 507   }
 508
 509   /**
 510    * Build the radio/text form elements for the amount field
 511    *
 512    * @param CRM_Event_Form_Registration_Register $form
 513    *   Form object.
 514    * @param bool $required
 515    *   True if you want to add formRule.
 516    * @param int $discountId
 517    *   Discount id for the event.
 518    *
 519    * @throws \CRM_Core_Exception
 520    */
 521   public static function buildAmount(&$form, $required = TRUE, $discountId = NULL) {
 522     // build amount only when needed, skip incase of event full and waitlisting is enabled
 523     // and few other conditions check preProcess()
 524     if (property_exists($form, '_noFees') && $form->_noFees) {
 525       return;
 526     }
 527
 528     //if payment done, no need to build the fee block.
 529     if (!empty($form->_paymentId)) {
 530       //fix to display line item in update mode.
 531       $form->assign('priceSet', isset($form->_priceSet) ? $form->_priceSet : NULL);
 532       return;
 533     }
 534
 535     $feeFields = CRM_Utils_Array::value('fee', $form->_values);
 536
 537     if (is_array($feeFields)) {
 538       $form->_feeBlock = &$form->_values['fee'];
 539     }
 540
 541     //check for discount.
 542     $discountedFee = CRM_Utils_Array::value('discount', $form->_values);
 543     if (is_array($discountedFee) && !empty($discountedFee)) {
 544       if (!$discountId) {
 545         $form->_discountId = $discountId = CRM_Core_BAO_Discount::findSet($form->_eventId, 'civicrm_event');
 546       }
 547       if ($discountId) {
 548         $form->_feeBlock = &$form->_values['discount'][$discountId];
 549       }
 550     }
 551     if (!is_array($form->_feeBlock)) {
 552       $form->_feeBlock = [];
 553     }
 554
 555     //its time to call the hook.
 556     CRM_Utils_Hook::buildAmount('event', $form, $form->_feeBlock);
 557
 558     //reset required if participant is skipped.
 559     $button = substr($form->controller->getButtonName(), -4);
 560     if ($required && $button == 'skip') {
 561       $required = FALSE;
 562     }
 563
 564     $className = CRM_Utils_System::getClassName($form);
 565
 566     //build the priceset fields.
 567     if (isset($form->_priceSetId) && $form->_priceSetId) {
 568
 569       //format price set fields across option full.
 570       self::formatFieldsForOptionFull($form);
 571
 572       if (!empty($form->_priceSet['is_quick_config'])) {
 573         $form->_quickConfig = $form->_priceSet['is_quick_config'];
 574       }
 575       $form->add('hidden', 'priceSetId', $form->_priceSetId);
 576
 577       // CRM-14492 Admin price fields should show up on event registration if user has 'administer CiviCRM' permissions
 578       $adminFieldVisible = FALSE;
 579       if (CRM_Core_Permission::check('administer CiviCRM')) {
 580         $adminFieldVisible = TRUE;
 581       }
 582
 583       $hideAdminValues = TRUE;
 584       if (CRM_Core_Permission::check('edit event participants')) {
 585         $hideAdminValues = FALSE;
 586       }
 587
 588       foreach ($form->_feeBlock as $field) {
 589         // public AND admin visibility fields are included for back-office registration and back-office change selections
 590         if (CRM_Utils_Array::value('visibility', $field) == 'public' ||
 591           (CRM_Utils_Array::value('visibility', $field) == 'admin' && $adminFieldVisible == TRUE) ||
 592           $className == 'CRM_Event_Form_Participant' ||
 593           $className == 'CRM_Event_Form_ParticipantFeeSelection'
 594         ) {
 595           $fieldId = $field['id'];
 596           $elementName = 'price_' . $fieldId;
 597
 598           $isRequire = CRM_Utils_Array::value('is_required', $field);
 599           if ($button == 'skip') {
 600             $isRequire = FALSE;
 601           }
 602
 603           //user might modified w/ hook.
 604           $options = CRM_Utils_Array::value('options', $field);
 605           $formClasses = ['CRM_Event_Form_Participant', 'CRM_Event_Form_ParticipantFeeSelection'];
 606
 607           if (!is_array($options)) {
 608             continue;
 609           }
 610           elseif ($hideAdminValues && !in_array($className, $formClasses)) {
 611             $publicVisibilityID = CRM_Price_BAO_PriceField::getVisibilityOptionID('public');
 612             $adminVisibilityID = CRM_Price_BAO_PriceField::getVisibilityOptionID('admin');
 613
 614             foreach ($options as $key => $currentOption) {
 615               $optionVisibility = CRM_Utils_Array::value('visibility_id', $currentOption, $publicVisibilityID);
 616               if ($optionVisibility == $adminVisibilityID) {
 617                 unset($options[$key]);
 618               }
 619             }
 620           }
 621
 622           $optionFullIds = CRM_Utils_Array::value('option_full_ids', $field, []);
 623
 624           //soft suppress required rule when option is full.
 625           if (!empty($optionFullIds) && (count($options) == count($optionFullIds))) {
 626             $isRequire = FALSE;
 627           }
 628           if (!empty($options)) {
 629             //build the element.
 630             CRM_Price_BAO_PriceField::addQuickFormElement($form,
 631               $elementName,
 632               $fieldId,
 633               FALSE,
 634               $isRequire,
 635               NULL,
 636               $options,
 637               $optionFullIds
 638             );
 639           }
 640         }
 641       }
 642       $form->assign('priceSet', $form->_priceSet);
 643     }
 644     else {
 645       $eventFeeBlockValues = [];
 646       foreach ($form->_feeBlock as $fee) {
 647         if (is_array($fee)) {
 648
 649           //CRM-7632, CRM-6201
 650           $totalAmountJs = NULL;
 651           if ($className == 'CRM_Event_Form_Participant') {
 652             $totalAmountJs = ['onClick' => "fillTotalAmount(" . $fee['value'] . ")"];
 653           }
 654
 655           $eventFeeBlockValues['amount_id_' . $fee['amount_id']] = $fee['value'];
 656           $elements[] = &$form->createElement('radio', NULL, '',
 657             CRM_Utils_Money::format($fee['value']) . ' ' .
 658             $fee['label'],
 659             $fee['amount_id'],
 660             $totalAmountJs
 661           );
 662         }
 663       }
 664       $form->assign('eventFeeBlockValues', json_encode($eventFeeBlockValues));
 665
 666       $form->_defaults['amount'] = CRM_Utils_Array::value('default_fee_id', $form->_values['event']);
 667       $element = &$form->addGroup($elements, 'amount', ts('Event Fee(s)'), '<br />');
 668       if (isset($form->_online) && $form->_online) {
 669         $element->freeze();
 670       }
 671       if ($required) {
 672         $form->addRule('amount', ts('Fee Level is a required field.'), 'required');
 673       }
 674     }
 675   }
 676
 677   /**
 678    * @param CRM_Event_Form_Registration $form
 679    */
 680   public static function formatFieldsForOptionFull(&$form) {
 681     $priceSet = $form->get('priceSet');
 682     $priceSetId = $form->get('priceSetId');
 683     $defaultPricefieldIds = [];
 684     if (!empty($form->_values['line_items'])) {
 685       foreach ($form->_values['line_items'] as $lineItem) {
 686         $defaultPricefieldIds[] = $lineItem['price_field_value_id'];
 687       }
 688     }
 689     if (!$priceSetId ||
 690       !is_array($priceSet) ||
 691       empty($priceSet) || empty($priceSet['optionsMaxValueTotal'])
 692     ) {
 693       return;
 694     }
 695
 696     $skipParticipants = $formattedPriceSetDefaults = [];
 697     if (!empty($form->_allowConfirmation) && (isset($form->_pId) || isset($form->_additionalParticipantId))) {
 698       $participantId = isset($form->_pId) ? $form->_pId : $form->_additionalParticipantId;
 699       $pricesetDefaults = CRM_Event_Form_EventFees::setDefaultPriceSet($participantId,
 700         $form->_eventId
 701       );
 702       // modify options full to respect the selected fields
 703       // options on confirmation.
 704       $formattedPriceSetDefaults = self::formatPriceSetParams($form, $pricesetDefaults);
 705
 706       // to skip current registered participants fields option count on confirmation.
 707       $skipParticipants[] = $form->_participantId;
 708       if (!empty($form->_additionalParticipantIds)) {
 709         $skipParticipants = array_merge($skipParticipants, $form->_additionalParticipantIds);
 710       }
 711     }
 712
 713     $className = CRM_Utils_System::getClassName($form);
 714
 715     //get the current price event price set options count.
 716     $currentOptionsCount = self::getPriceSetOptionCount($form);
 717     $recordedOptionsCount = CRM_Event_BAO_Participant::priceSetOptionsCount($form->_eventId, $skipParticipants);
 718     $optionFullTotalAmount = 0;
 719     $currentParticipantNo = (int) substr($form->_name, 12);
 720     foreach ($form->_feeBlock as & $field) {
 721       $optionFullIds = [];
 722       $fieldId = $field['id'];
 723       if (!is_array($field['options'])) {
 724         continue;
 725       }
 726       foreach ($field['options'] as & $option) {
 727         $optId = $option['id'];
 728         $count = CRM_Utils_Array::value('count', $option, 0);
 729         $maxValue = CRM_Utils_Array::value('max_value', $option, 0);
 730         $dbTotalCount = CRM_Utils_Array::value($optId, $recordedOptionsCount, 0);
 731         $currentTotalCount = CRM_Utils_Array::value($optId, $currentOptionsCount, 0);
 732
 733         $totalCount = $currentTotalCount + $dbTotalCount;
 734         $isFull = FALSE;
 735         if ($maxValue &&
 736           (($totalCount >= $maxValue) &&
 737           (empty($form->_lineItem[$currentParticipantNo][$optId]['price_field_id']) || $dbTotalCount >= $maxValue))
 738         ) {
 739           $isFull = TRUE;
 740           $optionFullIds[$optId] = $optId;
 741           if ($field['html_type'] != 'Select') {
 742             if (in_array($optId, $defaultPricefieldIds)) {
 743               $optionFullTotalAmount += CRM_Utils_Array::value('amount', $option);
 744             }
 745           }
 746           else {
 747             if (!empty($defaultPricefieldIds) && in_array($optId, $defaultPricefieldIds)) {
 748               unset($optionFullIds[$optId]);
 749             }
 750           }
 751         }
 752         //here option is not full,
 753         //but we don't want to allow participant to increase
 754         //seats at the time of re-walking registration.
 755         if ($count &&
 756           !empty($form->_allowConfirmation) &&
 757           !empty($formattedPriceSetDefaults)
 758         ) {
 759           if (empty($formattedPriceSetDefaults["price_{$field}"]) || empty($formattedPriceSetDefaults["price_{$fieldId}"][$optId])) {
 760             $optionFullIds[$optId] = $optId;
 761             $isFull = TRUE;
 762           }
 763         }
 764         $option['is_full'] = $isFull;
 765         $option['db_total_count'] = $dbTotalCount;
 766         $option['total_option_count'] = $dbTotalCount + $currentTotalCount;
 767       }
 768
 769       //ignore option full for offline registration.
 770       if ($className == 'CRM_Event_Form_Participant') {
 771         $optionFullIds = [];
 772       }
 773
 774       //finally get option ids in.
 775       $field['option_full_ids'] = $optionFullIds;
 776     }
 777     $form->assign('optionFullTotalAmount', $optionFullTotalAmount);
 778   }
 779
 780   /**
 781    * Global form rule.
 782    *
 783    * @param array $fields
 784    *   The input form values.
 785    * @param array $files
 786    *   The uploaded files if any.
 787    * @param \CRM_Event_Form_Registration_Register $form
 788    *
 789    * @return bool|array
 790    *   true if no errors, else array of errors
 791    *
 792    * @throws \CRM_Core_Exception
 793    */
 794   public static function formRule($fields, $files, $form) {
 795     $errors = [];
 796     //check that either an email or firstname+lastname is included in the form(CRM-9587)
 797     self::checkProfileComplete($fields, $errors, $form->_eventId);
 798     //To check if the user is already registered for the event(CRM-2426)
 799     if (!$form->_skipDupeRegistrationCheck) {
 800       self::checkRegistration($fields, $form);
 801     }
 802     //check for availability of registrations.
 803     if (!$form->_allowConfirmation && empty($fields['bypass_payment']) &&
 804       is_numeric($form->_availableRegistrations) &&
 805       CRM_Utils_Array::value('additional_participants', $fields) >= $form->_availableRegistrations
 806     ) {
 807       $errors['additional_participants'] = ts("There is only enough space left on this event for %1 participant(s).", [1 => $form->_availableRegistrations]);
 808     }
 809
 810     // during confirmation don't allow to increase additional participants, CRM-4320
 811     if ($form->_allowConfirmation && !empty($fields['additional_participants']) &&
 812       is_array($form->_additionalParticipantIds) &&
 813       $fields['additional_participants'] > count($form->_additionalParticipantIds)
 814     ) {
 815       $errors['additional_participants'] = ts("Oops. It looks like you are trying to increase the number of additional people you are registering for. You can confirm registration for a maximum of %1 additional people.", [1 => count($form->_additionalParticipantIds)]);
 816     }
 817
 818     //don't allow to register w/ waiting if enough spaces available.
 819     if (!empty($fields['bypass_payment']) && $form->_allowConfirmation) {
 820       if (!is_numeric($form->_availableRegistrations) ||
 821         (empty($fields['priceSetId']) && CRM_Utils_Array::value('additional_participants', $fields) < $form->_availableRegistrations)
 822       ) {
 823         $errors['bypass_payment'] = ts("Oops. There are enough available spaces in this event. You can not add yourself to the waiting list.");
 824       }
 825     }
 826
 827     if (!empty($fields['additional_participants']) &&
 828       !CRM_Utils_Rule::positiveInteger($fields['additional_participants'])
 829     ) {
 830       $errors['additional_participants'] = ts('Please enter a whole number for Number of additional people.');
 831     }
 832
 833     // priceset validations
 834     if (!empty($fields['priceSetId']) &&
 835      !$form->_requireApproval && !$form->_allowWaitlist
 836      ) {
 837       //format params.
 838       $formatted = self::formatPriceSetParams($form, $fields);
 839       $ppParams = [$formatted];
 840       $priceSetErrors = self::validatePriceSet($form, $ppParams);
 841       $primaryParticipantCount = self::getParticipantCount($form, $ppParams);
 842
 843       //get price set fields errors in.
 844       $errors = array_merge($errors, CRM_Utils_Array::value(0, $priceSetErrors, []));
 845
 846       $totalParticipants = $primaryParticipantCount;
 847       if (!empty($fields['additional_participants'])) {
 848         $totalParticipants += $fields['additional_participants'];
 849       }
 850
 851       if (empty($fields['bypass_payment']) &&
 852         !$form->_allowConfirmation &&
 853         is_numeric($form->_availableRegistrations) &&
 854         $form->_availableRegistrations < $totalParticipants
 855       ) {
 856         $errors['_qf_default'] = ts("Only %1 Registrations available.", [1 => $form->_availableRegistrations]);
 857       }
 858
 859       $lineItem = [];
 860       CRM_Price_BAO_PriceSet::processAmount($form->_values['fee'], $fields, $lineItem);
 861
 862       $minAmt = CRM_Core_DAO::getFieldValue('CRM_Price_DAO_PriceSet', $fields['priceSetId'], 'min_amount');
 863       if ($fields['amount'] < 0) {
 864         $errors['_qf_default'] = ts('Event Fee(s) can not be less than zero. Please select the options accordingly');
 865       }
 866       elseif (!empty($minAmt) && $fields['amount'] < $minAmt) {
 867         $errors['_qf_default'] = ts('A minimum amount of %1 should be selected from Event Fee(s).', [
 868           1 => CRM_Utils_Money::format($minAmt),
 869         ]);
 870       }
 871     }
 872     foreach (CRM_Contact_BAO_Contact::$_greetingTypes as $greeting) {
 873       if ($greetingType = CRM_Utils_Array::value($greeting, $fields)) {
 874         $customizedValue = CRM_Core_PseudoConstant::getKey('CRM_Contact_BAO_Contact', $greeting . '_id', 'Customized');
 875         if ($customizedValue == $greetingType && empty($fields[$greeting . '_custom'])) {
 876           $errors[$greeting . '_custom'] = ts('Custom %1 is a required field if %1 is of type Customized.',
 877             [1 => ucwords(str_replace('_', ' ', $greeting))]
 878           );
 879         }
 880       }
 881     }
 882
 883     // @todo - can we remove the 'is_monetary' concept?
 884     if ($form->_values['event']['is_monetary']) {
 885       if (empty($form->_requireApproval) && !empty($fields['amount']) && $fields['amount'] > 0 &&
 886         !isset($fields['payment_processor_id'])) {
 887         $errors['payment_processor_id'] = ts('Please select a Payment Method');
 888       }
 889
 890       if (self::isZeroAmount($fields, $form)) {
 891         return empty($errors) ? TRUE : $errors;
 892       }
 893
 894       // also return if zero fees for valid members
 895       if (!empty($fields['bypass_payment']) ||
 896         (!$form->_allowConfirmation && ($form->_requireApproval || $form->_allowWaitlist))
 897       ) {
 898         return empty($errors) ? TRUE : $errors;
 899       }
 900       CRM_Core_Payment_Form::validatePaymentInstrument(
 901         $fields['payment_processor_id'],
 902         $fields,
 903         $errors,
 904         (!$form->_isBillingAddressRequiredForPayLater ? NULL : 'billing')
 905       );
 906     }
 907
 908     return empty($errors) ? TRUE : $errors;
 909   }
 910
 911   /**
 912    * Check if profiles are complete when event registration occurs(CRM-9587).
 913    *
 914    * @param array $fields
 915    * @param array $errors
 916    * @param int $eventId
 917    */
 918   public static function checkProfileComplete($fields, &$errors, $eventId) {
 919     $email = '';
 920     foreach ($fields as $fieldname => $fieldvalue) {
 921       if (substr($fieldname, 0, 6) == 'email-' && $fieldvalue) {
 922         $email = $fieldvalue;
 923       }
 924     }
 925
 926     if (!$email && !(!empty($fields['first_name']) && !empty($fields['last_name']))) {
 927       $defaults = $params = ['id' => $eventId];
 928       CRM_Event_BAO_Event::retrieve($params, $defaults);
 929       $message = ts("Mandatory fields (first name and last name, OR email address) are missing from this form.");
 930       $errors['_qf_default'] = $message;
 931     }
 932   }
 933
 934   /**
 935    * Process the form submission.
 936    */
 937   public function postProcess() {
 938     // get the submitted form values.
 939     $params = $this->controller->exportValues($this->_name);
 940
 941     //set as Primary participant
 942     $params['is_primary'] = 1;
 943
 944     if ($this->_values['event']['is_pay_later']
 945       && (!array_key_exists('hidden_processor', $params) || $params['payment_processor_id'] == 0)
 946     ) {
 947       $params['is_pay_later'] = 1;
 948     }
 949     else {
 950       $params['is_pay_later'] = 0;
 951     }
 952
 953     $this->set('is_pay_later', $params['is_pay_later']);
 954
 955     // assign pay later stuff
 956     $this->_params['is_pay_later'] = CRM_Utils_Array::value('is_pay_later', $params, FALSE);
 957     $this->assign('is_pay_later', $params['is_pay_later']);
 958     if ($params['is_pay_later']) {
 959       $this->assign('pay_later_text', $this->_values['event']['pay_later_text']);
 960       $this->assign('pay_later_receipt', $this->_values['event']['pay_later_receipt']);
 961     }
 962
 963     if (!$this->_allowConfirmation) {
 964       // check if the participant is already registered
 965       if (!$this->_skipDupeRegistrationCheck) {
 966         $params['contact_id'] = self::getRegistrationContactID($params, $this, FALSE);
 967       }
 968     }
 969
 970     if (!empty($params['image_URL'])) {
 971       CRM_Contact_BAO_Contact::processImageParams($params);
 972     }
 973
 974     //carry campaign to partcipants.
 975     if (array_key_exists('participant_campaign_id', $params)) {
 976       $params['campaign_id'] = $params['participant_campaign_id'];
 977     }
 978     else {
 979       $params['campaign_id'] = CRM_Utils_Array::value('campaign_id', $this->_values['event']);
 980     }
 981
 982     //hack to allow group to register w/ waiting
 983     $primaryParticipantCount = self::getParticipantCount($this, $params);
 984
 985     $totalParticipants = $primaryParticipantCount;
 986     if (!empty($params['additional_participants'])) {
 987       $totalParticipants += $params['additional_participants'];
 988     }
 989     if (!$this->_allowConfirmation && !empty($params['bypass_payment']) &&
 990       is_numeric($this->_availableRegistrations) &&
 991       $totalParticipants > $this->_availableRegistrations
 992     ) {
 993       $this->_allowWaitlist = TRUE;
 994       $this->set('allowWaitlist', TRUE);
 995     }
 996
 997     //carry participant id if pre-registered.
 998     if ($this->_allowConfirmation && $this->_participantId) {
 999       $params['participant_id'] = $this->_participantId;
1000     }
1001
1002     $params['defaultRole'] = 1;
1003     if (array_key_exists('participant_role', $params)) {
1004       $params['participant_role_id'] = $params['participant_role'];
1005     }
1006
1007     if (array_key_exists('participant_role_id', $params)) {
1008       $params['defaultRole'] = 0;
1009     }
1010     if (empty($params['participant_role_id']) &&
1011       $this->_values['event']['default_role_id']
1012     ) {
1013       $params['participant_role_id'] = $this->_values['event']['default_role_id'];
1014     }
1015
1016     $config = CRM_Core_Config::singleton();
1017     $params['currencyID'] = $config->defaultCurrency;
1018
1019     if ($this->_values['event']['is_monetary']) {
1020       // we first reset the confirm page so it accepts new values
1021       $this->controller->resetPage('Confirm');
1022
1023       //added for discount
1024       $discountId = CRM_Core_BAO_Discount::findSet($this->_eventId, 'civicrm_event');
1025       $params['amount_level'] = $this->getAmountLevel($params, $discountId);
1026       if (!empty($this->_values['discount'][$discountId])) {
1027         $params['discount_id'] = $discountId;
1028         $params['amount'] = $this->_values['discount'][$discountId][$params['amount']]['value'];
1029       }
1030       elseif (empty($params['priceSetId'])) {
1031         if (!empty($params['amount'])) {
1032           $params['amount'] = $this->_values['fee'][$params['amount']]['value'];
1033         }
1034         else {
1035           $params['amount'] = '';
1036         }
1037       }
1038       else {
1039         $lineItem = [];
1040         CRM_Price_BAO_PriceSet::processAmount($this->_values['fee'], $params, $lineItem);
1041         if ($params['tax_amount']) {
1042           $this->set('tax_amount', $params['tax_amount']);
1043         }
1044         $submittedLineItems = $this->get('lineItem');
1045         if (!empty($submittedLineItems) && is_array($submittedLineItems)) {
1046           $submittedLineItems[0] = $lineItem;
1047         }
1048         else {
1049           $submittedLineItems = [$lineItem];
1050         }
1051         $submittedLineItems = array_filter($submittedLineItems);
1052         $this->set('lineItem', $submittedLineItems);
1053         $this->set('lineItemParticipantsCount', [$primaryParticipantCount]);
1054       }
1055
1056       $this->set('amount', $params['amount']);
1057       $this->set('amount_level', $params['amount_level']);
1058
1059       // generate and set an invoiceID for this transaction
1060       $invoiceID = md5(uniqid(rand(), TRUE));
1061       $this->set('invoiceID', $invoiceID);
1062
1063       if ($this->_paymentProcessor) {
1064         $payment = $this->_paymentProcessor['object'];
1065         $payment->setBaseReturnUrl('civicrm/event/register');
1066       }
1067
1068       // ContributeMode is a deprecated concept. It is short-hand for a bunch of
1069       // assumptions we are working to remove.
1070       $this->set('contributeMode', 'direct');
1071
1072       // This code is duplicated multiple places and should be consolidated.
1073       $params = $this->prepareParamsForPaymentProcessor($params);
1074
1075       if ($this->_values['event']['is_monetary']) {
1076         $params['currencyID'] = $config->defaultCurrency;
1077         $params['invoiceID'] = $invoiceID;
1078       }
1079       $this->_params = $this->get('params');
1080       // Set the button so we know what
1081       $params['button'] = $this->controller->getButtonName();
1082       if (!empty($this->_params) && is_array($this->_params)) {
1083         $this->_params[0] = $params;
1084       }
1085       else {
1086         $this->_params = [];
1087         $this->_params[] = $params;
1088       }
1089       $this->set('params', $this->_params);
1090       if ($this->_paymentProcessor &&
1091         // Actually we don't really need to check if it supports pre-approval - we could just call
1092         // it regardless as the function we call re-acts tot the rests of the preApproval call.
1093         $this->_paymentProcessor['object']->supports('preApproval')
1094         && !$this->_allowWaitlist &&
1095         !$this->_requireApproval
1096       ) {
1097
1098         // The concept of contributeMode is deprecated - but still needs removal from the message templates.
1099         $this->set('contributeMode', 'express');
1100
1101         // Send Event Name & Id in Params
1102         $params['eventName'] = $this->_values['event']['title'];
1103         $params['eventId'] = $this->_values['event']['id'];
1104
1105         $params['cancelURL'] = CRM_Utils_System::url('civicrm/event/register',
1106           "_qf_Register_display=1&qfKey={$this->controller->_key}",
1107           TRUE, NULL, FALSE
1108         );
1109         if (!empty($params['additional_participants'])) {
1110           $urlArgs = "_qf_Participant_1_display=1&rfp=1&qfKey={$this->controller->_key}";
1111         }
1112         else {
1113           $urlArgs = "_qf_Confirm_display=1&rfp=1&qfKey={$this->controller->_key}";
1114         }
1115         $params['returnURL'] = CRM_Utils_System::url('civicrm/event/register',
1116           $urlArgs,
1117           TRUE, NULL, FALSE
1118         );
1119         $params['invoiceID'] = $invoiceID;
1120
1121         $params['component'] = 'event';
1122         $this->handlePreApproval($params);
1123       }
1124       elseif ($this->_paymentProcessor &&
1125         (int) $this->_paymentProcessor['billing_mode'] & CRM_Core_Payment::BILLING_MODE_NOTIFY
1126       ) {
1127         // The concept of contributeMode is deprecated - but still needs removal from the message templates.
1128         $this->set('contributeMode', 'notify');
1129       }
1130     }
1131     else {
1132       $params['description'] = ts('Online Event Registration') . ' ' . $this->_values['event']['title'];
1133
1134       $this->_params = [];
1135       $this->_params[] = $params;
1136       $this->set('params', $this->_params);
1137
1138       if (
1139         empty($params['additional_participants'])
1140       // CRM-11182 - Optional confirmation screen
1141         && !$this->_values['event']['is_confirm_enabled']
1142       ) {
1143         $this->processRegistration($this->_params);
1144       }
1145     }
1146
1147     // If registering > 1 participant, give status message
1148     if (!empty($params['additional_participants'])) {
1149       $statusMsg = ts('Registration information for participant 1 has been saved.');
1150       CRM_Core_Session::setStatus($statusMsg, ts('Saved'), 'success');
1151     }
1152   }
1153
1154   /**
1155    * Method to check if the user is already registered for the event.
1156    * and if result found redirect to the event info page
1157    *
1158    * @param array $fields
1159    *   The input form values(anonymous user).
1160    * @param CRM_Event_Form_Registration_Register $form
1161    *   Event data.
1162    * @param bool $isAdditional
1163    *   Treat isAdditional participants a bit differently.
1164    *
1165    * @return int
1166    */
1167   public static function checkRegistration($fields, $form, $isAdditional = FALSE) {
1168     // CRM-3907, skip check for preview registrations
1169     // CRM-4320 participant need to walk wizard
1170     if (
1171       ($form->_mode == 'test' || $form->_allowConfirmation)
1172     ) {
1173       return FALSE;
1174     }
1175
1176     $contactID = self::getRegistrationContactID($fields, $form, $isAdditional);
1177
1178     if ($contactID) {
1179       $participant = new CRM_Event_BAO_Participant();
1180       $participant->contact_id = $contactID;
1181       $participant->event_id = $form->_values['event']['id'];
1182       if (!empty($fields['participant_role']) && is_numeric($fields['participant_role'])) {
1183         $participant->role_id = $fields['participant_role'];
1184       }
1185       else {
1186         $participant->role_id = $form->_values['event']['default_role_id'];
1187       }
1188       $participant->is_test = 0;
1189       $participant->find();
1190       $statusTypes = CRM_Event_PseudoConstant::participantStatus(NULL, 'is_counted = 1');
1191       while ($participant->fetch()) {
1192         if (array_key_exists($participant->status_id, $statusTypes)) {
1193           if (!$isAdditional && !$form->_values['event']['allow_same_participant_emails']) {
1194             $registerUrl = CRM_Utils_System::url('civicrm/event/register',
1195               "reset=1&id={$form->_values['event']['id']}&cid=0"
1196             );
1197             if ($form->_pcpId) {
1198               $registerUrl .= '&pcpId=' . $form->_pcpId;
1199             }
1200
1201             $status = ts("It looks like you are already registered for this event. If you want to change your registration, or you feel that you've received this message in error, please contact the site administrator.") . ' ' . ts('You can also <a href="%1">register another participant</a>.', [1 => $registerUrl]);
1202             CRM_Core_Session::singleton()->setStatus($status, ts('Oops.'), 'alert');
1203             $url = CRM_Utils_System::url('civicrm/event/info',
1204               "reset=1&id={$form->_values['event']['id']}&noFullMsg=true"
1205             );
1206             if ($form->_action & CRM_Core_Action::PREVIEW) {
1207               $url .= '&action=preview';
1208             }
1209
1210             if ($form->_pcpId) {
1211               $url .= '&pcpId=' . $form->_pcpId;
1212             }
1213
1214             CRM_Utils_System::redirect($url);
1215           }
1216
1217           if ($isAdditional) {
1218             $status = ts("It looks like this participant is already registered for this event. If you want to change your registration, or you feel that you've received this message in error, please contact the site administrator.");
1219             CRM_Core_Session::singleton()->setStatus($status, ts('Oops.'), 'alert');
1220             return $participant->id;
1221           }
1222         }
1223       }
1224     }
1225   }
1226
1227 }