CRM/Event/Form/Registration/Register.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 5                                                  |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2019                                |
   7  +--------------------------------------------------------------------+
   8  | This file is a part of CiviCRM.                                    |
   9  |                                                                    |
  10  | CiviCRM is free software; you can copy, modify, and distribute it  |
  11  | under the terms of the GNU Affero General Public License           |
  12  | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
  13  |                                                                    |
  14  | CiviCRM is distributed in the hope that it will be useful, but     |
  15  | WITHOUT ANY WARRANTY; without even the implied warranty of         |
  16  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
  17  | See the GNU Affero General Public License for more details.        |
  18  |                                                                    |
  19  | You should have received a copy of the GNU Affero General Public   |
  20  | License and the CiviCRM Licensing Exception along                  |
  21  | with this program; if not, contact CiviCRM LLC                     |
  22  | at info[AT]civicrm[DOT]org. If you have questions about the        |
  23  | GNU Affero General Public License or the licensing of CiviCRM,     |
  24  | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
  25  +--------------------------------------------------------------------+
  26  */
  27
  28 /**
  29  * @package CRM
  30  * @copyright CiviCRM LLC (c) 2004-2019
  31  */
  32
  33 /**
  34  * This class generates form components for processing Event.
  35  */
  36 class CRM_Event_Form_Registration_Register extends CRM_Event_Form_Registration {
  37
  38   /**
  39    * The fields involved in this page.
  40    *
  41    * @var array
  42    */
  43   public $_fields;
  44
  45   /**
  46    * The status message that user view.
  47    *
  48    * @var string
  49    */
  50   protected $_waitlistMsg;
  51   protected $_requireApprovalMsg;
  52
  53   /**
  54    * Deprecated parameter that we hope to remove.
  55    *
  56    * @var bool
  57    */
  58   public $_quickConfig;
  59
  60   /**
  61    * Skip duplicate check.
  62    *
  63    * This can be set using hook_civicrm_buildForm() to override the registration dupe check.
  64    * CRM-7604
  65    *
  66    * @var bool
  67    */
  68   public $_skipDupeRegistrationCheck = FALSE;
  69
  70   public $_paymentProcessorID;
  71
  72   /**
  73    * Show fee block or not.
  74    *
  75    * @var bool
  76    */
  77   public $_noFees;
  78
  79   /**
  80    * Fee Block.
  81    *
  82    * @var array
  83    */
  84   public $_feeBlock;
  85
  86   /**
  87    * Array of payment related fields to potentially display on this form (generally credit card or debit card fields).
  88    *
  89    * This is rendered via billingBlock.tpl.
  90    *
  91    * @var array
  92    */
  93   public $_paymentFields = [];
  94
  95   /**
  96    * Is this submission incurring no costs.
  97    *
  98    * @param array $fields
  99    * @param \CRM_Event_Form_Registration_Register $form
 100    *
 101    * @return bool
 102    */
 103   protected static function isZeroAmount($fields, $form): bool {
 104     $isZeroAmount = FALSE;
 105     if (!empty($fields['priceSetId'])) {
 106       if (empty($fields['amount'])) {
 107         $isZeroAmount = TRUE;
 108       }
 109     }
 110     elseif (!empty($fields['amount']) &&
 111       (isset($form->_values['discount'][$fields['amount']])
 112         && CRM_Utils_Array::value('value', $form->_values['discount'][$fields['amount']]) == 0
 113       )
 114     ) {
 115       $isZeroAmount = TRUE;
 116     }
 117     elseif (!empty($fields['amount']) &&
 118       (isset($form->_values['fee'][$fields['amount']])
 119         && CRM_Utils_Array::value('value', $form->_values['fee'][$fields['amount']]) == 0
 120       )
 121     ) {
 122       $isZeroAmount = TRUE;
 123     }
 124     return $isZeroAmount;
 125   }
 126
 127   /**
 128    * Get the contact id for the registration.
 129    *
 130    * @param array $fields
 131    * @param CRM_Event_Form_Registration $form
 132    * @param bool $isAdditional
 133    *
 134    * @return int|null
 135    */
 136   public static function getRegistrationContactID($fields, $form, $isAdditional) {
 137     $contactID = NULL;
 138     if (!$isAdditional) {
 139       $contactID = $form->getContactID();
 140     }
 141     if (!$contactID && is_array($fields) && $fields) {
 142       $contactID = CRM_Contact_BAO_Contact::getFirstDuplicateContact($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'])]);
 143     }
 144     return $contactID;
 145   }
 146
 147   /**
 148    * Set variables up before form is built.
 149    *
 150    * @throws \CRM_Core_Exception
 151    */
 152   public function preProcess() {
 153     parent::preProcess();
 154
 155     //CRM-4320.
 156     //here we can't use parent $this->_allowWaitlist as user might
 157     //walk back and we might set this value in this postProcess.
 158     //(we set when spaces < group count and want to allow become part of waiting )
 159     $eventFull = CRM_Event_BAO_Participant::eventFull($this->_eventId, FALSE, CRM_Utils_Array::value('has_waitlist', $this->_values['event']));
 160
 161     // Get payment processors if appropriate for this event
 162     // We hide the payment fields if the event is full or requires approval,
 163     // and the current user has not yet been approved CRM-12279
 164     $this->_noFees = (($eventFull || $this->_requireApproval) && !$this->_allowConfirmation);
 165     $this->_paymentProcessors = $this->_noFees ? [] : $this->get('paymentProcessors');
 166     $this->preProcessPaymentOptions();
 167
 168     $this->_allowWaitlist = FALSE;
 169     if ($eventFull && !$this->_allowConfirmation && !empty($this->_values['event']['has_waitlist'])) {
 170       $this->_allowWaitlist = TRUE;
 171       $this->_waitlistMsg = CRM_Utils_Array::value('waitlist_text', $this->_values['event']);
 172       if (!$this->_waitlistMsg) {
 173         $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.');
 174       }
 175     }
 176     $this->set('allowWaitlist', $this->_allowWaitlist);
 177
 178     //To check if the user is already registered for the event(CRM-2426)
 179     if (!$this->_skipDupeRegistrationCheck) {
 180       self::checkRegistration(NULL, $this);
 181     }
 182
 183     $this->assign('availableRegistrations', $this->_availableRegistrations);
 184
 185     // get the participant values from EventFees.php, CRM-4320
 186     if ($this->_allowConfirmation) {
 187       CRM_Event_Form_EventFees::preProcess($this);
 188     }
 189   }
 190
 191   /**
 192    * Set default values for the form.
 193    *
 194    * @return array
 195    *
 196    * @throws \CRM_Core_Exception
 197    * @throws \CiviCRM_API3_Exception
 198    */
 199   public function setDefaultValues() {
 200     $this->_defaults = [];
 201     if (!$this->_allowConfirmation && $this->_requireApproval) {
 202       $this->_defaults['bypass_payment'] = 1;
 203     }
 204     $contactID = $this->getContactID();
 205     CRM_Core_Payment_Form::setDefaultValues($this, $contactID);
 206
 207     CRM_Event_BAO_Participant::formatFieldsAndSetProfileDefaults($contactID, $this);
 208
 209     // Set default payment processor as default payment_processor radio button value
 210     if (!empty($this->_paymentProcessors)) {
 211       foreach ($this->_paymentProcessors as $pid => $value) {
 212         if (!empty($value['is_default'])) {
 213           $this->_defaults['payment_processor_id'] = $pid;
 214         }
 215       }
 216     }
 217
 218     //if event is monetary and pay later is enabled and payment
 219     //processor is not available then freeze the pay later checkbox with
 220     //default check
 221     if (!empty($this->_values['event']['is_pay_later']) &&
 222       !is_array($this->_paymentProcessor)
 223     ) {
 224       $this->_defaults['is_pay_later'] = 1;
 225     }
 226
 227     //set custom field defaults
 228     if (!empty($this->_fields)) {
 229       //load default campaign from page.
 230       if (array_key_exists('participant_campaign_id', $this->_fields)) {
 231         $this->_defaults['participant_campaign_id'] = CRM_Utils_Array::value('campaign_id',
 232           $this->_values['event']
 233         );
 234       }
 235
 236       foreach ($this->_fields as $name => $field) {
 237         if ($customFieldID = CRM_Core_BAO_CustomField::getKeyID($name)) {
 238           // fix for CRM-1743
 239           if (!isset($this->_defaults[$name])) {
 240             CRM_Core_BAO_CustomField::setProfileDefaults($customFieldID, $name, $this->_defaults,
 241               NULL, CRM_Profile_Form::MODE_REGISTER
 242             );
 243           }
 244         }
 245       }
 246     }
 247
 248     //fix for CRM-3088, default value for discount set.
 249     $discountId = NULL;
 250     if (!empty($this->_values['discount'])) {
 251       $discountId = CRM_Core_BAO_Discount::findSet($this->_eventId, 'civicrm_event');
 252       if ($discountId) {
 253         if (isset($this->_values['event']['default_discount_fee_id'])) {
 254           $discountKey = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_OptionValue',
 255             $this->_values['event']['default_discount_fee_id'],
 256             'weight', 'id'
 257           );
 258
 259           $this->_defaults['amount'] = key(array_slice($this->_values['discount'][$discountId],
 260             $discountKey - 1, $discountKey, TRUE
 261           ));
 262         }
 263       }
 264     }
 265
 266     // add this event's default participant role to defaults array
 267     // (for cases where participant_role field is included in form via profile)
 268     if ($this->_values['event']['default_role_id']) {
 269       $this->_defaults['participant_role']
 270         = $this->_defaults['participant_role_id'] = $this->_values['event']['default_role_id'];
 271     }
 272     if ($this->_priceSetId && !empty($this->_feeBlock)) {
 273       foreach ($this->_feeBlock as $key => $val) {
 274         if (empty($val['options'])) {
 275           continue;
 276         }
 277         $optionFullIds = CRM_Utils_Array::value('option_full_ids', $val, []);
 278         foreach ($val['options'] as $keys => $values) {
 279           if ($values['is_default'] && empty($values['is_full'])) {
 280
 281             if ($val['html_type'] == 'CheckBox') {
 282               $this->_defaults["price_{$key}"][$keys] = 1;
 283             }
 284             else {
 285               $this->_defaults["price_{$key}"] = $keys;
 286             }
 287           }
 288         }
 289         $unsetSubmittedOptions[$val['id']] = $optionFullIds;
 290       }
 291       //reset values for all options those are full.
 292       CRM_Event_Form_Registration::resetElementValue($unsetSubmittedOptions, $this);
 293     }
 294
 295     //set default participant fields, CRM-4320.
 296     $hasAdditionalParticipants = FALSE;
 297     if ($this->_allowConfirmation) {
 298       $this->_contactId = $contactID;
 299       $this->_discountId = $discountId;
 300       $forcePayLater = CRM_Utils_Array::value('is_pay_later', $this->_defaults, FALSE);
 301       $this->_defaults = array_merge($this->_defaults, CRM_Event_Form_EventFees::setDefaultValues($this));
 302       $this->_defaults['is_pay_later'] = $forcePayLater;
 303
 304       if ($this->_additionalParticipantIds) {
 305         $hasAdditionalParticipants = TRUE;
 306         $this->_defaults['additional_participants'] = count($this->_additionalParticipantIds);
 307       }
 308     }
 309     $this->assign('hasAdditionalParticipants', $hasAdditionalParticipants);
 310
 311     //         //hack to simplify credit card entry for testing
 312     //         $this->_defaults['credit_card_type']     = 'Visa';
 313     //         $this->_defaults['credit_card_number']   = '4807731747657838';
 314     //         $this->_defaults['cvv2']                 = '000';
 315     //         $this->_defaults['credit_card_exp_date'] = array( 'Y' => '2010', 'M' => '05' );
 316
 317     // to process Custom data that are appended to URL
 318     $getDefaults = CRM_Core_BAO_CustomGroup::extractGetParams($this, "'Contact', 'Individual', 'Contribution', 'Participant'");
 319     if (!empty($getDefaults)) {
 320       $this->_defaults = array_merge($this->_defaults, $getDefaults);
 321     }
 322
 323     return $this->_defaults;
 324   }
 325
 326   /**
 327    * Build the form object.
 328    */
 329   public function buildQuickForm() {
 330     // build profiles first so that we can determine address fields etc
 331     // and then show copy address checkbox
 332     $this->buildCustom($this->_values['custom_pre_id'], 'customPre');
 333     $this->buildCustom($this->_values['custom_post_id'], 'customPost');
 334
 335     // CRM-18399: used by template to pass pre profile id as a url arg
 336     $this->assign('custom_pre_id', $this->_values['custom_pre_id']);
 337
 338     CRM_Core_Payment_ProcessorForm::buildQuickForm($this);
 339
 340     $contactID = $this->getContactID();
 341     if ($contactID) {
 342       $this->assign('contact_id', $contactID);
 343       $this->assign('display_name', CRM_Contact_BAO_Contact::displayName($contactID));
 344     }
 345
 346     $this->add('hidden', 'scriptFee', NULL);
 347     $this->add('hidden', 'scriptArray', NULL);
 348
 349     $bypassPayment = $allowGroupOnWaitlist = $isAdditionalParticipants = FALSE;
 350     if ($this->_values['event']['is_multiple_registrations']) {
 351       // don't allow to add additional during confirmation if not preregistered.
 352       if (!$this->_allowConfirmation || $this->_additionalParticipantIds) {
 353         // CRM-17745: Make maximum additional participants configurable
 354         // Label is value + 1, since the code sees this is ADDITIONAL participants (in addition to "self")
 355         $additionalOptions = [];
 356         $additionalOptions[''] = 1;
 357         for ($i = 1; $i <= $this->_values['event']['max_additional_participants']; $i++) {
 358           $additionalOptions[$i] = $i + 1;
 359         }
 360         $this->add('select', 'additional_participants',
 361           ts('How many people are you registering?'),
 362           $additionalOptions,
 363           NULL,
 364           ['onChange' => "allowParticipant()"]
 365         );
 366         $isAdditionalParticipants = TRUE;
 367       }
 368     }
 369
 370     if (!$this->_allowConfirmation) {
 371       $bypassPayment = TRUE;
 372     }
 373
 374     //hack to allow group to register w/ waiting
 375     if ((!empty($this->_values['event']['is_multiple_registrations']) ||
 376         $this->_priceSetId
 377       ) &&
 378       !$this->_allowConfirmation &&
 379       is_numeric($this->_availableRegistrations) && !empty($this->_values['event']['has_waitlist'])
 380     ) {
 381       $bypassPayment = TRUE;
 382       //case might be group become as a part of waitlist.
 383       //If not waitlist then they require admin approve.
 384       $allowGroupOnWaitlist = TRUE;
 385       $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 => $this->_availableRegistrations]);
 386
 387       if ($this->_requireApproval) {
 388         $this->_requireApprovalMsg = CRM_Utils_Array::value('approval_req_text', $this->_values['event'],
 389           ts('Registration for this event requires approval. Once your registration(s) have been reviewed, you will receive an email with a link to a web page where you can complete the registration process.')
 390         );
 391       }
 392     }
 393
 394     //case where only approval needed - no waitlist.
 395     if ($this->_requireApproval &&
 396       !$this->_allowWaitlist && !$bypassPayment
 397     ) {
 398       $this->_requireApprovalMsg = CRM_Utils_Array::value('approval_req_text', $this->_values['event'],
 399         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.')
 400       );
 401     }
 402
 403     //lets display status to primary page only.
 404     $this->assign('waitlistMsg', $this->_waitlistMsg);
 405     $this->assign('requireApprovalMsg', $this->_requireApprovalMsg);
 406     $this->assign('allowGroupOnWaitlist', $allowGroupOnWaitlist);
 407     $this->assign('isAdditionalParticipants', $isAdditionalParticipants);
 408
 409     if ($this->_values['event']['is_monetary']) {
 410       self::buildAmount($this);
 411     }
 412
 413     $pps = [];
 414     //@todo this processor adding fn is another one duplicated on contribute - a shared
 415     // common class would make this sort of thing extractable
 416     $onlinePaymentProcessorEnabled = FALSE;
 417     if (!empty($this->_paymentProcessors)) {
 418       foreach ($this->_paymentProcessors as $key => $name) {
 419         if ($name['billing_mode'] == 1) {
 420           $onlinePaymentProcessorEnabled = TRUE;
 421         }
 422         $pps[$key] = $name['name'];
 423       }
 424     }
 425     if ($this->getContactID() === 0 && !$this->_values['event']['is_multiple_registrations']) {
 426       //@todo we are blocking for multiple registrations because we haven't tested
 427       $this->addCIDZeroOptions($onlinePaymentProcessorEnabled);
 428     }
 429     if (!empty($this->_values['event']['is_pay_later']) &&
 430       ($this->_allowConfirmation || (!$this->_requireApproval && !$this->_allowWaitlist))
 431     ) {
 432       $pps[0] = $this->_values['event']['pay_later_text'];
 433     }
 434
 435     if ($this->_values['event']['is_monetary']) {
 436       if (count($pps) > 1) {
 437         $this->addRadio('payment_processor_id', ts('Payment Method'), $pps,
 438           NULL, "&nbsp;"
 439         );
 440       }
 441       elseif (!empty($pps)) {
 442         $ppKeys = array_keys($pps);
 443         $currentPP = array_pop($ppKeys);
 444         $this->addElement('hidden', 'payment_processor_id', $currentPP);
 445       }
 446     }
 447
 448     $this->addElement('hidden', 'bypass_payment', NULL, ['id' => 'bypass_payment']);
 449
 450     $this->assign('bypassPayment', $bypassPayment);
 451
 452     $userID = $this->getContactID();
 453
 454     if (!$userID) {
 455       $createCMSUser = FALSE;
 456
 457       if ($this->_values['custom_pre_id']) {
 458         $profileID = $this->_values['custom_pre_id'];
 459         $createCMSUser = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_UFGroup', $profileID, 'is_cms_user');
 460       }
 461
 462       if (!$createCMSUser &&
 463         $this->_values['custom_post_id']
 464       ) {
 465         if (!is_array($this->_values['custom_post_id'])) {
 466           $profileIDs = [$this->_values['custom_post_id']];
 467         }
 468         else {
 469           $profileIDs = $this->_values['custom_post_id'];
 470         }
 471         foreach ($profileIDs as $pid) {
 472           if (CRM_Core_DAO::getFieldValue('CRM_Core_DAO_UFGroup', $pid, 'is_cms_user')) {
 473             $profileID = $pid;
 474             $createCMSUser = TRUE;
 475             break;
 476           }
 477         }
 478       }
 479
 480       if ($createCMSUser) {
 481         CRM_Core_BAO_CMSUser::buildForm($this, $profileID, TRUE);
 482       }
 483     }
 484
 485     //we have to load confirm contribution button in template
 486     //when multiple payment processor as the user
 487     //can toggle with payment processor selection
 488     $billingModePaymentProcessors = 0;
 489     if (!CRM_Utils_System::isNull($this->_paymentProcessors)) {
 490       foreach ($this->_paymentProcessors as $key => $values) {
 491         if ($values['billing_mode'] == CRM_Core_Payment::BILLING_MODE_BUTTON) {
 492           $billingModePaymentProcessors++;
 493         }
 494       }
 495     }
 496
 497     if ($billingModePaymentProcessors && count($this->_paymentProcessors) == $billingModePaymentProcessors) {
 498       $allAreBillingModeProcessors = TRUE;
 499     }
 500     else {
 501       $allAreBillingModeProcessors = FALSE;
 502     }
 503
 504     if (!$allAreBillingModeProcessors || !empty($this->_values['event']['is_pay_later']) || $bypassPayment
 505     ) {
 506
 507       //freeze button to avoid multiple calls.
 508       if (empty($this->_values['event']['is_monetary'])) {
 509         $this->submitOnce = TRUE;
 510       }
 511
 512       // CRM-11182 - Optional confirmation screen
 513       // Change button label depending on whether the next action is confirm or register
 514       if (
 515         !$this->_values['event']['is_multiple_registrations']
 516         && !$this->_values['event']['is_monetary']
 517         && !$this->_values['event']['is_confirm_enabled']
 518       ) {
 519         $buttonLabel = ts('Register');
 520       }
 521       else {
 522         $buttonLabel = ts('Continue');
 523       }
 524
 525       $this->addButtons([
 526         [
 527           'type' => 'upload',
 528           'name' => $buttonLabel,
 529           'spacing' => '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;',
 530           'isDefault' => TRUE,
 531         ],
 532       ]);
 533     }
 534
 535     $this->addFormRule(['CRM_Event_Form_Registration_Register', 'formRule'], $this);
 536     $this->unsavedChangesWarn = TRUE;
 537
 538     // add pcp fields
 539     if ($this->_pcpId) {
 540       CRM_PCP_BAO_PCP::buildPcp($this->_pcpId, $this);
 541     }
 542   }
 543
 544   /**
 545    * Build the radio/text form elements for the amount field
 546    *
 547    * @param CRM_Event_Form_Registration_Register $form
 548    *   Form object.
 549    * @param bool $required
 550    *   True if you want to add formRule.
 551    * @param int $discountId
 552    *   Discount id for the event.
 553    *
 554    * @throws \CRM_Core_Exception
 555    */
 556   public static function buildAmount(&$form, $required = TRUE, $discountId = NULL) {
 557     // build amount only when needed, skip incase of event full and waitlisting is enabled
 558     // and few other conditions check preProcess()
 559     if (property_exists($form, '_noFees') && $form->_noFees) {
 560       return;
 561     }
 562
 563     //if payment done, no need to build the fee block.
 564     if (!empty($form->_paymentId)) {
 565       //fix to display line item in update mode.
 566       $form->assign('priceSet', isset($form->_priceSet) ? $form->_priceSet : NULL);
 567       return;
 568     }
 569
 570     $feeFields = CRM_Utils_Array::value('fee', $form->_values);
 571
 572     if (is_array($feeFields)) {
 573       $form->_feeBlock = &$form->_values['fee'];
 574     }
 575
 576     //check for discount.
 577     $discountedFee = CRM_Utils_Array::value('discount', $form->_values);
 578     if (is_array($discountedFee) && !empty($discountedFee)) {
 579       if (!$discountId) {
 580         $form->_discountId = $discountId = CRM_Core_BAO_Discount::findSet($form->_eventId, 'civicrm_event');
 581       }
 582       if ($discountId) {
 583         $form->_feeBlock = &$form->_values['discount'][$discountId];
 584       }
 585     }
 586     if (!is_array($form->_feeBlock)) {
 587       $form->_feeBlock = [];
 588     }
 589
 590     //its time to call the hook.
 591     CRM_Utils_Hook::buildAmount('event', $form, $form->_feeBlock);
 592
 593     //reset required if participant is skipped.
 594     $button = substr($form->controller->getButtonName(), -4);
 595     if ($required && $button == 'skip') {
 596       $required = FALSE;
 597     }
 598
 599     $className = CRM_Utils_System::getClassName($form);
 600
 601     //build the priceset fields.
 602     if (isset($form->_priceSetId) && $form->_priceSetId) {
 603
 604       //format price set fields across option full.
 605       self::formatFieldsForOptionFull($form);
 606
 607       if (!empty($form->_priceSet['is_quick_config'])) {
 608         $form->_quickConfig = $form->_priceSet['is_quick_config'];
 609       }
 610       $form->add('hidden', 'priceSetId', $form->_priceSetId);
 611
 612       // CRM-14492 Admin price fields should show up on event registration if user has 'administer CiviCRM' permissions
 613       $adminFieldVisible = FALSE;
 614       if (CRM_Core_Permission::check('administer CiviCRM')) {
 615         $adminFieldVisible = TRUE;
 616       }
 617
 618       $hideAdminValues = TRUE;
 619       if (CRM_Core_Permission::check('edit event participants')) {
 620         $hideAdminValues = FALSE;
 621       }
 622
 623       foreach ($form->_feeBlock as $field) {
 624         // public AND admin visibility fields are included for back-office registration and back-office change selections
 625         if (CRM_Utils_Array::value('visibility', $field) == 'public' ||
 626           (CRM_Utils_Array::value('visibility', $field) == 'admin' && $adminFieldVisible == TRUE) ||
 627           $className == 'CRM_Event_Form_Participant' ||
 628           $className == 'CRM_Event_Form_ParticipantFeeSelection'
 629         ) {
 630           $fieldId = $field['id'];
 631           $elementName = 'price_' . $fieldId;
 632
 633           $isRequire = CRM_Utils_Array::value('is_required', $field);
 634           if ($button == 'skip') {
 635             $isRequire = FALSE;
 636           }
 637
 638           //user might modified w/ hook.
 639           $options = CRM_Utils_Array::value('options', $field);
 640           $formClasses = ['CRM_Event_Form_Participant', 'CRM_Event_Form_ParticipantFeeSelection'];
 641
 642           if (!is_array($options)) {
 643             continue;
 644           }
 645           elseif ($hideAdminValues && !in_array($className, $formClasses)) {
 646             $publicVisibilityID = CRM_Price_BAO_PriceField::getVisibilityOptionID('public');
 647             $adminVisibilityID = CRM_Price_BAO_PriceField::getVisibilityOptionID('admin');
 648
 649             foreach ($options as $key => $currentOption) {
 650               $optionVisibility = CRM_Utils_Array::value('visibility_id', $currentOption, $publicVisibilityID);
 651               if ($optionVisibility == $adminVisibilityID) {
 652                 unset($options[$key]);
 653               }
 654             }
 655           }
 656
 657           $optionFullIds = CRM_Utils_Array::value('option_full_ids', $field, []);
 658
 659           //soft suppress required rule when option is full.
 660           if (!empty($optionFullIds) && (count($options) == count($optionFullIds))) {
 661             $isRequire = FALSE;
 662           }
 663           if (!empty($options)) {
 664             //build the element.
 665             CRM_Price_BAO_PriceField::addQuickFormElement($form,
 666               $elementName,
 667               $fieldId,
 668               FALSE,
 669               $isRequire,
 670               NULL,
 671               $options,
 672               $optionFullIds
 673             );
 674           }
 675         }
 676       }
 677       $form->assign('priceSet', $form->_priceSet);
 678     }
 679     else {
 680       $eventFeeBlockValues = [];
 681       foreach ($form->_feeBlock as $fee) {
 682         if (is_array($fee)) {
 683
 684           //CRM-7632, CRM-6201
 685           $totalAmountJs = NULL;
 686           if ($className == 'CRM_Event_Form_Participant') {
 687             $totalAmountJs = ['onClick' => "fillTotalAmount(" . $fee['value'] . ")"];
 688           }
 689
 690           $eventFeeBlockValues['amount_id_' . $fee['amount_id']] = $fee['value'];
 691           $elements[] = &$form->createElement('radio', NULL, '',
 692             CRM_Utils_Money::format($fee['value']) . ' ' .
 693             $fee['label'],
 694             $fee['amount_id'],
 695             $totalAmountJs
 696           );
 697         }
 698       }
 699       $form->assign('eventFeeBlockValues', json_encode($eventFeeBlockValues));
 700
 701       $form->_defaults['amount'] = CRM_Utils_Array::value('default_fee_id', $form->_values['event']);
 702       $element = &$form->addGroup($elements, 'amount', ts('Event Fee(s)'), '<br />');
 703       if (isset($form->_online) && $form->_online) {
 704         $element->freeze();
 705       }
 706       if ($required) {
 707         $form->addRule('amount', ts('Fee Level is a required field.'), 'required');
 708       }
 709     }
 710   }
 711
 712   /**
 713    * @param CRM_Event_Form_Registration $form
 714    */
 715   public static function formatFieldsForOptionFull(&$form) {
 716     $priceSet = $form->get('priceSet');
 717     $priceSetId = $form->get('priceSetId');
 718     $defaultPricefieldIds = [];
 719     if (!empty($form->_values['line_items'])) {
 720       foreach ($form->_values['line_items'] as $lineItem) {
 721         $defaultPricefieldIds[] = $lineItem['price_field_value_id'];
 722       }
 723     }
 724     if (!$priceSetId ||
 725       !is_array($priceSet) ||
 726       empty($priceSet) || empty($priceSet['optionsMaxValueTotal'])
 727     ) {
 728       return;
 729     }
 730
 731     $skipParticipants = $formattedPriceSetDefaults = [];
 732     if (!empty($form->_allowConfirmation) && (isset($form->_pId) || isset($form->_additionalParticipantId))) {
 733       $participantId = isset($form->_pId) ? $form->_pId : $form->_additionalParticipantId;
 734       $pricesetDefaults = CRM_Event_Form_EventFees::setDefaultPriceSet($participantId,
 735         $form->_eventId
 736       );
 737       // modify options full to respect the selected fields
 738       // options on confirmation.
 739       $formattedPriceSetDefaults = self::formatPriceSetParams($form, $pricesetDefaults);
 740
 741       // to skip current registered participants fields option count on confirmation.
 742       $skipParticipants[] = $form->_participantId;
 743       if (!empty($form->_additionalParticipantIds)) {
 744         $skipParticipants = array_merge($skipParticipants, $form->_additionalParticipantIds);
 745       }
 746     }
 747
 748     $className = CRM_Utils_System::getClassName($form);
 749
 750     //get the current price event price set options count.
 751     $currentOptionsCount = self::getPriceSetOptionCount($form);
 752     $recordedOptionsCount = CRM_Event_BAO_Participant::priceSetOptionsCount($form->_eventId, $skipParticipants);
 753     $optionFullTotalAmount = 0;
 754     $currentParticipantNo = (int) substr($form->_name, 12);
 755     foreach ($form->_feeBlock as & $field) {
 756       $optionFullIds = [];
 757       $fieldId = $field['id'];
 758       if (!is_array($field['options'])) {
 759         continue;
 760       }
 761       foreach ($field['options'] as & $option) {
 762         $optId = $option['id'];
 763         $count = CRM_Utils_Array::value('count', $option, 0);
 764         $maxValue = CRM_Utils_Array::value('max_value', $option, 0);
 765         $dbTotalCount = CRM_Utils_Array::value($optId, $recordedOptionsCount, 0);
 766         $currentTotalCount = CRM_Utils_Array::value($optId, $currentOptionsCount, 0);
 767
 768         $totalCount = $currentTotalCount + $dbTotalCount;
 769         $isFull = FALSE;
 770         if ($maxValue &&
 771           (($totalCount >= $maxValue) &&
 772           (empty($form->_lineItem[$currentParticipantNo][$optId]['price_field_id']) || $dbTotalCount >= $maxValue))
 773         ) {
 774           $isFull = TRUE;
 775           $optionFullIds[$optId] = $optId;
 776           if ($field['html_type'] != 'Select') {
 777             if (in_array($optId, $defaultPricefieldIds)) {
 778               $optionFullTotalAmount += CRM_Utils_Array::value('amount', $option);
 779             }
 780           }
 781           else {
 782             if (!empty($defaultPricefieldIds) && in_array($optId, $defaultPricefieldIds)) {
 783               unset($optionFullIds[$optId]);
 784             }
 785           }
 786         }
 787         //here option is not full,
 788         //but we don't want to allow participant to increase
 789         //seats at the time of re-walking registration.
 790         if ($count &&
 791           !empty($form->_allowConfirmation) &&
 792           !empty($formattedPriceSetDefaults)
 793         ) {
 794           if (empty($formattedPriceSetDefaults["price_{$field}"]) || empty($formattedPriceSetDefaults["price_{$fieldId}"][$optId])) {
 795             $optionFullIds[$optId] = $optId;
 796             $isFull = TRUE;
 797           }
 798         }
 799         $option['is_full'] = $isFull;
 800         $option['db_total_count'] = $dbTotalCount;
 801         $option['total_option_count'] = $dbTotalCount + $currentTotalCount;
 802       }
 803
 804       //ignore option full for offline registration.
 805       if ($className == 'CRM_Event_Form_Participant') {
 806         $optionFullIds = [];
 807       }
 808
 809       //finally get option ids in.
 810       $field['option_full_ids'] = $optionFullIds;
 811     }
 812     $form->assign('optionFullTotalAmount', $optionFullTotalAmount);
 813   }
 814
 815   /**
 816    * Global form rule.
 817    *
 818    * @param array $fields
 819    *   The input form values.
 820    * @param array $files
 821    *   The uploaded files if any.
 822    * @param \CRM_Event_Form_Registration_Register $form
 823    *
 824    * @return bool|array
 825    *   true if no errors, else array of errors
 826    *
 827    * @throws \CRM_Core_Exception
 828    */
 829   public static function formRule($fields, $files, $form) {
 830     $errors = [];
 831     //check that either an email or firstname+lastname is included in the form(CRM-9587)
 832     self::checkProfileComplete($fields, $errors, $form->_eventId);
 833     //To check if the user is already registered for the event(CRM-2426)
 834     if (!$form->_skipDupeRegistrationCheck) {
 835       self::checkRegistration($fields, $form);
 836     }
 837     //check for availability of registrations.
 838     if (!$form->_allowConfirmation && empty($fields['bypass_payment']) &&
 839       is_numeric($form->_availableRegistrations) &&
 840       CRM_Utils_Array::value('additional_participants', $fields) >= $form->_availableRegistrations
 841     ) {
 842       $errors['additional_participants'] = ts("There is only enough space left on this event for %1 participant(s).", [1 => $form->_availableRegistrations]);
 843     }
 844
 845     // during confirmation don't allow to increase additional participants, CRM-4320
 846     if ($form->_allowConfirmation && !empty($fields['additional_participants']) &&
 847       is_array($form->_additionalParticipantIds) &&
 848       $fields['additional_participants'] > count($form->_additionalParticipantIds)
 849     ) {
 850       $errors['additional_participants'] = ts("Oops. It looks like you are trying to increase the number of additional people you are registering for. You can confirm registration for a maximum of %1 additional people.", [1 => count($form->_additionalParticipantIds)]);
 851     }
 852
 853     //don't allow to register w/ waiting if enough spaces available.
 854     if (!empty($fields['bypass_payment']) && $form->_allowConfirmation) {
 855       if (!is_numeric($form->_availableRegistrations) ||
 856         (empty($fields['priceSetId']) && CRM_Utils_Array::value('additional_participants', $fields) < $form->_availableRegistrations)
 857       ) {
 858         $errors['bypass_payment'] = ts("Oops. There are enough available spaces in this event. You can not add yourself to the waiting list.");
 859       }
 860     }
 861
 862     if (!empty($fields['additional_participants']) &&
 863       !CRM_Utils_Rule::positiveInteger($fields['additional_participants'])
 864     ) {
 865       $errors['additional_participants'] = ts('Please enter a whole number for Number of additional people.');
 866     }
 867
 868     // priceset validations
 869     if (!empty($fields['priceSetId']) &&
 870      !$form->_requireApproval && !$form->_allowWaitlist
 871      ) {
 872       //format params.
 873       $formatted = self::formatPriceSetParams($form, $fields);
 874       $ppParams = [$formatted];
 875       $priceSetErrors = self::validatePriceSet($form, $ppParams);
 876       $primaryParticipantCount = self::getParticipantCount($form, $ppParams);
 877
 878       //get price set fields errors in.
 879       $errors = array_merge($errors, CRM_Utils_Array::value(0, $priceSetErrors, []));
 880
 881       $totalParticipants = $primaryParticipantCount;
 882       if (!empty($fields['additional_participants'])) {
 883         $totalParticipants += $fields['additional_participants'];
 884       }
 885
 886       if (empty($fields['bypass_payment']) &&
 887         !$form->_allowConfirmation &&
 888         is_numeric($form->_availableRegistrations) &&
 889         $form->_availableRegistrations < $totalParticipants
 890       ) {
 891         $errors['_qf_default'] = ts("Only %1 Registrations available.", [1 => $form->_availableRegistrations]);
 892       }
 893
 894       $lineItem = [];
 895       CRM_Price_BAO_PriceSet::processAmount($form->_values['fee'], $fields, $lineItem);
 896
 897       $minAmt = CRM_Core_DAO::getFieldValue('CRM_Price_DAO_PriceSet', $fields['priceSetId'], 'min_amount');
 898       if ($fields['amount'] < 0) {
 899         $errors['_qf_default'] = ts('Event Fee(s) can not be less than zero. Please select the options accordingly');
 900       }
 901       elseif (!empty($minAmt) && $fields['amount'] < $minAmt) {
 902         $errors['_qf_default'] = ts('A minimum amount of %1 should be selected from Event Fee(s).', [
 903           1 => CRM_Utils_Money::format($minAmt),
 904         ]);
 905       }
 906     }
 907
 908     // @todo - can we remove the 'is_monetary' concept?
 909     if ($form->_values['event']['is_monetary']) {
 910       if (empty($form->_requireApproval) && !empty($fields['amount']) && $fields['amount'] > 0 &&
 911         !isset($fields['payment_processor_id'])) {
 912         $errors['payment_processor_id'] = ts('Please select a Payment Method');
 913       }
 914
 915       if (self::isZeroAmount($fields, $form)) {
 916         return empty($errors) ? TRUE : $errors;
 917       }
 918
 919       // also return if zero fees for valid members
 920       if (!empty($fields['bypass_payment']) ||
 921         (!$form->_allowConfirmation && ($form->_requireApproval || $form->_allowWaitlist))
 922       ) {
 923         return empty($errors) ? TRUE : $errors;
 924       }
 925       CRM_Core_Payment_Form::validatePaymentInstrument(
 926         $fields['payment_processor_id'],
 927         $fields,
 928         $errors,
 929         (!$form->_isBillingAddressRequiredForPayLater ? NULL : 'billing')
 930       );
 931     }
 932
 933     foreach (CRM_Contact_BAO_Contact::$_greetingTypes as $greeting) {
 934       if ($greetingType = CRM_Utils_Array::value($greeting, $fields)) {
 935         $customizedValue = CRM_Core_PseudoConstant::getKey('CRM_Contact_BAO_Contact', $greeting . '_id', 'Customized');
 936         if ($customizedValue == $greetingType && empty($fields[$greeting . '_custom'])) {
 937           $errors[$greeting . '_custom'] = ts('Custom %1 is a required field if %1 is of type Customized.',
 938             [1 => ucwords(str_replace('_', ' ', $greeting))]
 939           );
 940         }
 941       }
 942     }
 943     return empty($errors) ? TRUE : $errors;
 944   }
 945
 946   /**
 947    * Check if profiles are complete when event registration occurs(CRM-9587).
 948    *
 949    * @param array $fields
 950    * @param array $errors
 951    * @param int $eventId
 952    */
 953   public static function checkProfileComplete($fields, &$errors, $eventId) {
 954     $email = '';
 955     foreach ($fields as $fieldname => $fieldvalue) {
 956       if (substr($fieldname, 0, 6) == 'email-' && $fieldvalue) {
 957         $email = $fieldvalue;
 958       }
 959     }
 960
 961     if (!$email && !(!empty($fields['first_name']) && !empty($fields['last_name']))) {
 962       $defaults = $params = ['id' => $eventId];
 963       CRM_Event_BAO_Event::retrieve($params, $defaults);
 964       $message = ts("Mandatory fields (first name and last name, OR email address) are missing from this form.");
 965       $errors['_qf_default'] = $message;
 966     }
 967   }
 968
 969   /**
 970    * Process the form submission.
 971    */
 972   public function postProcess() {
 973     // get the submitted form values.
 974     $params = $this->controller->exportValues($this->_name);
 975
 976     //set as Primary participant
 977     $params['is_primary'] = 1;
 978
 979     if ($this->_values['event']['is_pay_later']
 980       && (!array_key_exists('hidden_processor', $params) || $params['payment_processor_id'] == 0)
 981     ) {
 982       $params['is_pay_later'] = 1;
 983     }
 984     else {
 985       $params['is_pay_later'] = 0;
 986     }
 987
 988     $this->set('is_pay_later', $params['is_pay_later']);
 989
 990     // assign pay later stuff
 991     $this->_params['is_pay_later'] = CRM_Utils_Array::value('is_pay_later', $params, FALSE);
 992     $this->assign('is_pay_later', $params['is_pay_later']);
 993     if ($params['is_pay_later']) {
 994       $this->assign('pay_later_text', $this->_values['event']['pay_later_text']);
 995       $this->assign('pay_later_receipt', $this->_values['event']['pay_later_receipt']);
 996     }
 997
 998     if (!$this->_allowConfirmation) {
 999       // check if the participant is already registered
1000       if (!$this->_skipDupeRegistrationCheck) {
1001         $params['contact_id'] = self::getRegistrationContactID($params, $this, FALSE);
1002       }
1003     }
1004
1005     if (!empty($params['image_URL'])) {
1006       CRM_Contact_BAO_Contact::processImageParams($params);
1007     }
1008
1009     //carry campaign to partcipants.
1010     if (array_key_exists('participant_campaign_id', $params)) {
1011       $params['campaign_id'] = $params['participant_campaign_id'];
1012     }
1013     else {
1014       $params['campaign_id'] = CRM_Utils_Array::value('campaign_id', $this->_values['event']);
1015     }
1016
1017     //hack to allow group to register w/ waiting
1018     $primaryParticipantCount = self::getParticipantCount($this, $params);
1019
1020     $totalParticipants = $primaryParticipantCount;
1021     if (!empty($params['additional_participants'])) {
1022       $totalParticipants += $params['additional_participants'];
1023     }
1024     if (!$this->_allowConfirmation && !empty($params['bypass_payment']) &&
1025       is_numeric($this->_availableRegistrations) &&
1026       $totalParticipants > $this->_availableRegistrations
1027     ) {
1028       $this->_allowWaitlist = TRUE;
1029       $this->set('allowWaitlist', TRUE);
1030     }
1031
1032     //carry participant id if pre-registered.
1033     if ($this->_allowConfirmation && $this->_participantId) {
1034       $params['participant_id'] = $this->_participantId;
1035     }
1036
1037     $params['defaultRole'] = 1;
1038     if (array_key_exists('participant_role', $params)) {
1039       $params['participant_role_id'] = $params['participant_role'];
1040     }
1041
1042     if (array_key_exists('participant_role_id', $params)) {
1043       $params['defaultRole'] = 0;
1044     }
1045     if (empty($params['participant_role_id']) &&
1046       $this->_values['event']['default_role_id']
1047     ) {
1048       $params['participant_role_id'] = $this->_values['event']['default_role_id'];
1049     }
1050
1051     $config = CRM_Core_Config::singleton();
1052     $params['currencyID'] = $config->defaultCurrency;
1053
1054     if ($this->_values['event']['is_monetary']) {
1055       // we first reset the confirm page so it accepts new values
1056       $this->controller->resetPage('Confirm');
1057
1058       //added for discount
1059       $discountId = CRM_Core_BAO_Discount::findSet($this->_eventId, 'civicrm_event');
1060       $params['amount_level'] = $this->getAmountLevel($params, $discountId);
1061       if (!empty($this->_values['discount'][$discountId])) {
1062         $params['discount_id'] = $discountId;
1063         $params['amount'] = $this->_values['discount'][$discountId][$params['amount']]['value'];
1064       }
1065       elseif (empty($params['priceSetId'])) {
1066         if (!empty($params['amount'])) {
1067           $params['amount'] = $this->_values['fee'][$params['amount']]['value'];
1068         }
1069         else {
1070           $params['amount'] = '';
1071         }
1072       }
1073       else {
1074         $lineItem = [];
1075         CRM_Price_BAO_PriceSet::processAmount($this->_values['fee'], $params, $lineItem);
1076         if ($params['tax_amount']) {
1077           $this->set('tax_amount', $params['tax_amount']);
1078         }
1079         $submittedLineItems = $this->get('lineItem');
1080         if (!empty($submittedLineItems) && is_array($submittedLineItems)) {
1081           $submittedLineItems[0] = $lineItem;
1082         }
1083         else {
1084           $submittedLineItems = [$lineItem];
1085         }
1086         $submittedLineItems = array_filter($submittedLineItems);
1087         $this->set('lineItem', $submittedLineItems);
1088         $this->set('lineItemParticipantsCount', [$primaryParticipantCount]);
1089       }
1090
1091       $this->set('amount', $params['amount']);
1092       $this->set('amount_level', $params['amount_level']);
1093
1094       // generate and set an invoiceID for this transaction
1095       $invoiceID = md5(uniqid(rand(), TRUE));
1096       $this->set('invoiceID', $invoiceID);
1097
1098       if ($this->_paymentProcessor) {
1099         $payment = $this->_paymentProcessor['object'];
1100         $payment->setBaseReturnUrl('civicrm/event/register');
1101       }
1102
1103       // ContributeMode is a deprecated concept. It is short-hand for a bunch of
1104       // assumptions we are working to remove.
1105       $this->set('contributeMode', 'direct');
1106
1107       // This code is duplicated multiple places and should be consolidated.
1108       if (isset($params["state_province_id-{$this->_bltID}"]) &&
1109         $params["state_province_id-{$this->_bltID}"]
1110       ) {
1111         $params["state_province-{$this->_bltID}"] = CRM_Core_PseudoConstant::stateProvinceAbbreviation($params["state_province_id-{$this->_bltID}"]);
1112       }
1113
1114       if (isset($params["country_id-{$this->_bltID}"]) &&
1115         $params["country_id-{$this->_bltID}"]
1116       ) {
1117         $params["country-{$this->_bltID}"] = CRM_Core_PseudoConstant::countryIsoCode($params["country_id-{$this->_bltID}"]);
1118       }
1119       if (isset($params['credit_card_exp_date'])) {
1120         $params['year'] = CRM_Core_Payment_Form::getCreditCardExpirationYear($params);
1121         $params['month'] = CRM_Core_Payment_Form::getCreditCardExpirationMonth($params);
1122       }
1123       if ($this->_values['event']['is_monetary']) {
1124         $params['ip_address'] = CRM_Utils_System::ipAddress();
1125         $params['currencyID'] = $config->defaultCurrency;
1126         $params['invoiceID'] = $invoiceID;
1127       }
1128       $this->_params = $this->get('params');
1129       // Set the button so we know what
1130       $params['button'] = $this->controller->getButtonName();
1131       if (!empty($this->_params) && is_array($this->_params)) {
1132         $this->_params[0] = $params;
1133       }
1134       else {
1135         $this->_params = [];
1136         $this->_params[] = $params;
1137       }
1138       $this->set('params', $this->_params);
1139       if ($this->_paymentProcessor &&
1140         // Actually we don't really need to check if it supports pre-approval - we could just call
1141         // it regardless as the function we call re-acts tot the rests of the preApproval call.
1142         $this->_paymentProcessor['object']->supports('preApproval')
1143         && !$this->_allowWaitlist &&
1144         !$this->_requireApproval
1145       ) {
1146
1147         // The concept of contributeMode is deprecated - but still needs removal from the message templates.
1148         $this->set('contributeMode', 'express');
1149
1150         // Send Event Name & Id in Params
1151         $params['eventName'] = $this->_values['event']['title'];
1152         $params['eventId'] = $this->_values['event']['id'];
1153
1154         $params['cancelURL'] = CRM_Utils_System::url('civicrm/event/register',
1155           "_qf_Register_display=1&qfKey={$this->controller->_key}",
1156           TRUE, NULL, FALSE
1157         );
1158         if (!empty($params['additional_participants'])) {
1159           $urlArgs = "_qf_Participant_1_display=1&rfp=1&qfKey={$this->controller->_key}";
1160         }
1161         else {
1162           $urlArgs = "_qf_Confirm_display=1&rfp=1&qfKey={$this->controller->_key}";
1163         }
1164         $params['returnURL'] = CRM_Utils_System::url('civicrm/event/register',
1165           $urlArgs,
1166           TRUE, NULL, FALSE
1167         );
1168         $params['invoiceID'] = $invoiceID;
1169
1170         $params['component'] = 'event';
1171         $this->handlePreApproval($params);
1172       }
1173       elseif ($this->_paymentProcessor &&
1174         (int) $this->_paymentProcessor['billing_mode'] & CRM_Core_Payment::BILLING_MODE_NOTIFY
1175       ) {
1176         // The concept of contributeMode is deprecated - but still needs removal from the message templates.
1177         $this->set('contributeMode', 'notify');
1178       }
1179     }
1180     else {
1181       $params['description'] = ts('Online Event Registration') . ' ' . $this->_values['event']['title'];
1182
1183       $this->_params = [];
1184       $this->_params[] = $params;
1185       $this->set('params', $this->_params);
1186
1187       if (
1188         empty($params['additional_participants'])
1189       // CRM-11182 - Optional confirmation screen
1190         && !$this->_values['event']['is_confirm_enabled']
1191       ) {
1192         $this->processRegistration($this->_params);
1193       }
1194     }
1195
1196     // If registering > 1 participant, give status message
1197     if (!empty($params['additional_participants'])) {
1198       $statusMsg = ts('Registration information for participant 1 has been saved.');
1199       CRM_Core_Session::setStatus($statusMsg, ts('Saved'), 'success');
1200     }
1201   }
1202
1203   /**
1204    * Method to check if the user is already registered for the event.
1205    * and if result found redirect to the event info page
1206    *
1207    * @param array $fields
1208    *   The input form values(anonymous user).
1209    * @param CRM_Event_Form_Registration_Register $form
1210    *   Event data.
1211    * @param bool $isAdditional
1212    *   Treat isAdditional participants a bit differently.
1213    *
1214    * @return int
1215    */
1216   public static function checkRegistration($fields, $form, $isAdditional = FALSE) {
1217     // CRM-3907, skip check for preview registrations
1218     // CRM-4320 participant need to walk wizard
1219     if (
1220       ($form->_mode == 'test' || $form->_allowConfirmation)
1221     ) {
1222       return FALSE;
1223     }
1224
1225     $contactID = self::getRegistrationContactID($fields, $form, $isAdditional);
1226
1227     if ($contactID) {
1228       $participant = new CRM_Event_BAO_Participant();
1229       $participant->contact_id = $contactID;
1230       $participant->event_id = $form->_values['event']['id'];
1231       if (!empty($fields['participant_role']) && is_numeric($fields['participant_role'])) {
1232         $participant->role_id = $fields['participant_role'];
1233       }
1234       else {
1235         $participant->role_id = $form->_values['event']['default_role_id'];
1236       }
1237       $participant->is_test = 0;
1238       $participant->find();
1239       $statusTypes = CRM_Event_PseudoConstant::participantStatus(NULL, 'is_counted = 1');
1240       while ($participant->fetch()) {
1241         if (array_key_exists($participant->status_id, $statusTypes)) {
1242           if (!$isAdditional && !$form->_values['event']['allow_same_participant_emails']) {
1243             $registerUrl = CRM_Utils_System::url('civicrm/event/register',
1244               "reset=1&id={$form->_values['event']['id']}&cid=0"
1245             );
1246             if ($form->_pcpId) {
1247               $registerUrl .= '&pcpId=' . $form->_pcpId;
1248             }
1249
1250             $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 => $registerUrl]);
1251             CRM_Core_Session::singleton()->setStatus($status, ts('Oops.'), 'alert');
1252             $url = CRM_Utils_System::url('civicrm/event/info',
1253               "reset=1&id={$form->_values['event']['id']}&noFullMsg=true"
1254             );
1255             if ($form->_action & CRM_Core_Action::PREVIEW) {
1256               $url .= '&action=preview';
1257             }
1258
1259             if ($form->_pcpId) {
1260               $url .= '&pcpId=' . $form->_pcpId;
1261             }
1262
1263             CRM_Utils_System::redirect($url);
1264           }
1265
1266           if ($isAdditional) {
1267             $status = ts("It looks like this participant is already registered for this event. If you want to change your registration, or you feel that you've received this message in error, please contact the site administrator.");
1268             CRM_Core_Session::singleton()->setStatus($status, ts('Oops.'), 'alert');
1269             return $participant->id;
1270           }
1271         }
1272       }
1273     }
1274   }
1275
1276 }