CRM/Event/Form/Registration/AdditionalParticipant.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 4.5                                                |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2014                                |
   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  *
  30  *
  31  * @package CRM
  32  * @copyright CiviCRM LLC (c) 2004-2014
  33  * $Id$
  34  *
  35  */
  36
  37 /**
  38  * This class generates form components for processing Event
  39  *
  40  */
  41 class CRM_Event_Form_Registration_AdditionalParticipant extends CRM_Event_Form_Registration {
  42
  43   /**
  44    * The defaults involved in this page
  45    *
  46    */
  47   public $_defaults = array();
  48
  49   /**
  50    * pre-registered additional participant id.
  51    *
  52    */
  53   public $additionalParticipantId = NULL;
  54
  55   /**
  56    * Function to set variables up before form is built
  57    *
  58    * @return void
  59    * @access public
  60    */
  61   function preProcess() {
  62     parent::preProcess();
  63
  64     $participantNo = substr($this->_name, 12);
  65
  66     //lets process in-queue participants.
  67     if ($this->_participantId && $this->_additionalParticipantIds) {
  68       $this->_additionalParticipantId = CRM_Utils_Array::value($participantNo, $this->_additionalParticipantIds);
  69     }
  70
  71     $participantCnt = $participantNo + 1;
  72     $this->assign('formId', $participantNo);
  73     $this->_params = array();
  74     $this->_params = $this->get('params');
  75
  76     $participantTot = $this->_params[0]['additional_participants'] + 1;
  77     $skipCount = count(array_keys($this->_params, "skip"));
  78     if ($skipCount) {
  79       $this->assign('skipCount', $skipCount);
  80     }
  81     CRM_Utils_System::setTitle(ts('Register Participant %1 of %2', array(1 => $participantCnt, 2 => $participantTot)));
  82
  83     //CRM-4320, hack to check last participant.
  84     $this->_lastParticipant = FALSE;
  85     if ($participantTot == $participantCnt) {
  86       $this->_lastParticipant = TRUE;
  87     }
  88     $this->assign('lastParticipant', $this->_lastParticipant);
  89   }
  90
  91   /**
  92    * This function sets the default values for the form. For edit/view mode
  93    * the default values are retrieved from the database
  94    *
  95    * @access public
  96    *
  97    * @return void
  98    */
  99   function setDefaultValues() {
 100     $defaults = $unsetSubmittedOptions = array();
 101     $discountId = NULL;
 102     //fix for CRM-3088, default value for discount set.
 103     if (!empty($this->_values['discount'])) {
 104       $discountId = CRM_Core_BAO_Discount::findSet($this->_eventId, 'civicrm_event');
 105       if ($discountId && !empty($this->_values['event']['default_discount_fee_id'])) {
 106         $discountKey = CRM_Core_DAO::getFieldValue("CRM_Core_DAO_OptionValue", $this->_values['event']['default_discount_fee_id']
 107           , 'weight', 'id'
 108         );
 109         $defaults['amount'] = key(array_slice($this->_values['discount'][$discountId], $discountKey - 1, $discountKey, TRUE));
 110       }
 111     }
 112     if ($this->_priceSetId) {
 113       foreach ($this->_feeBlock as $key => $val) {
 114         if (empty($val['options'])) {
 115           continue;
 116         }
 117
 118         $optionsFull = CRM_Utils_Array::value('option_full_ids', $val, array());
 119         foreach ($val['options'] as $keys => $values) {
 120           if ($values['is_default'] && !in_array($keys, $optionsFull)) {
 121             if ($val['html_type'] == 'CheckBox') {
 122               $defaults["price_{$key}"][$keys] = 1;
 123             }
 124             else {
 125               $defaults["price_{$key}"] = $keys;
 126             }
 127           }
 128         }
 129         if (!empty($optionsFull)) {
 130           $unsetSubmittedOptions[$val['id']] = $optionsFull;
 131         }
 132       }
 133     }
 134
 135     //CRM-4320, setdefault additional participant values.
 136     if ($this->_allowConfirmation && $this->_additionalParticipantId) {
 137       //hack to get set default from eventFees.php
 138       $this->_discountId   = $discountId;
 139       $this->_pId          = $this->_additionalParticipantId;
 140       $this->_contactId    = CRM_Core_DAO::getFieldValue('CRM_Event_DAO_Participant', $this->_additionalParticipantId, 'contact_id');
 141       $participantDefaults = CRM_Event_Form_EventFees::setDefaultValues($this);
 142       $participantDefaults = array_merge($this->_defaults, $participantDefaults);
 143       // use primary email address if billing email address is empty
 144       if (empty($this->_defaults["email-{$this->_bltID}"]) &&
 145         !empty($this->_defaults["email-Primary"])
 146       ) {
 147         $participantDefaults["email-{$this->_bltID}"] = $this->_defaults["email-Primary"];
 148       }
 149       $defaults = array_merge($defaults, $participantDefaults);
 150     }
 151
 152     $defaults = array_merge($this->_defaults, $defaults);
 153
 154     //reset values for all options those are full.
 155     if (!empty($unsetSubmittedOptions) && empty($_POST)) {
 156       $this->resetElementValue($unsetSubmittedOptions);
 157     }
 158
 159     //load default campaign from page.
 160     if (array_key_exists('participant_campaign_id', $this->_fields)) {
 161       $defaults['participant_campaign_id'] = CRM_Utils_Array::value('campaign_id', $this->_values['event']);
 162     }
 163     CRM_Core_BAO_Address::fixAllStateSelects($this, $this->_defaults);
 164
 165     return $defaults;
 166   }
 167
 168   /**
 169    * Function to build the form
 170    *
 171    * @return void
 172    * @access public
 173    */
 174   public function buildQuickForm() {
 175     $config = CRM_Core_Config::singleton();
 176     $button = substr($this->controller->getButtonName(), -4);
 177
 178     $this->add('hidden', 'scriptFee', NULL);
 179     $this->add('hidden', 'scriptArray', NULL);
 180
 181     if ($this->_values['event']['is_monetary']) {
 182       CRM_Event_Form_Registration_Register::buildAmount($this);
 183     }
 184     $first_name = $last_name = NULL;
 185     $pre = $post = array();
 186     foreach (array(
 187       'pre', 'post') as $keys) {
 188       if (isset($this->_values['additional_custom_' . $keys . '_id'])) {
 189         $this->buildCustom($this->_values['additional_custom_' . $keys . '_id'], 'additionalCustom' . ucfirst($keys), TRUE);
 190         $$keys = CRM_Core_BAO_UFGroup::getFields($this->_values['additional_custom_' . $keys . '_id']);
 191       }
 192       foreach (array(
 193         'first_name', 'last_name') as $name) {
 194         if (!empty($$keys[$name]) &&
 195           CRM_Utils_Array::value('is_required', CRM_Utils_Array::value($name, $$keys))
 196         ) {
 197           $$name = 1;
 198         }
 199       }
 200     }
 201
 202     $required = ($button == 'skip' ||
 203       $this->_values['event']['allow_same_participant_emails'] == 1 &&
 204       ($first_name && $last_name)
 205     ) ? FALSE : TRUE;
 206
 207     //add buttons
 208     $js = NULL;
 209     if ($this->isLastParticipant(TRUE) && empty($this->_values['event']['is_monetary'])) {
 210       $js = array('onclick' => "return submitOnce(this,'" . $this->_name . "','" . ts('Processing') . "');");
 211     }
 212
 213     //handle case where user might sart with waiting by group
 214     //registration and skip some people and now group fit to
 215     //become registered so need to take payment from user.
 216     //this case only occurs at dynamic waiting status, CRM-4320
 217     $statusMessage = NULL;
 218     $allowToProceed = TRUE;
 219     $includeSkipButton = TRUE;
 220     $this->_resetAllowWaitlist = FALSE;
 221
 222     $pricesetFieldsCount = CRM_Price_BAO_PriceSet::getPricesetCount($this->_priceSetId);
 223
 224     if ($this->_lastParticipant || $pricesetFieldsCount) {
 225       //get the participant total.
 226       $processedCnt = self::getParticipantCount($this, $this->_params, TRUE);
 227     }
 228
 229     if (!$this->_allowConfirmation && !empty($this->_params[0]['bypass_payment']) &&
 230       $this->_lastParticipant
 231     ) {
 232
 233       //get the event spaces.
 234       $spaces = $this->_availableRegistrations;
 235
 236       $currentPageMaxCount = 1;
 237       if ($pricesetFieldsCount) {
 238         $currentPageMaxCount = $pricesetFieldsCount;
 239       }
 240
 241       //we might did reset allow waiting in case of dynamic calculation
 242       if (!empty($this->_params[0]['bypass_payment']) &&
 243         is_numeric($spaces) &&
 244         $processedCnt > $spaces
 245       ) {
 246         $this->_allowWaitlist = TRUE;
 247         $this->set('allowWaitlist', TRUE);
 248       }
 249
 250       //lets allow to become a part of runtime waiting list, if primary selected pay later.
 251       $realPayLater = FALSE;
 252       if (!empty($this->_values['event']['is_monetary']) && !empty($this->_values['event']['is_pay_later'])) {
 253         $realPayLater = CRM_Utils_Array::value('is_pay_later', $this->_params[0]);
 254       }
 255
 256       //truly spaces are greater than required.
 257       if (is_numeric($spaces) && $spaces >= ($processedCnt + $currentPageMaxCount)) {
 258         if (CRM_Utils_Array::value('amount', $this->_params[0], 0) == 0 || $this->_requireApproval) {
 259           $this->_allowWaitlist = FALSE;
 260           $this->set('allowWaitlist', $this->_allowWaitlist);
 261           if ($this->_requireApproval) {
 262             $statusMessage = ts("It looks like you are now registering a group of %1 participants. The event has %2 available spaces (you will not be wait listed). Registration for this event requires approval. You will receive an email once your registration has been reviewed.", array(1 => ++$processedCnt, 2 => $spaces));
 263           }
 264           else {
 265             $statusMessage = ts("It looks like you are now registering a group of %1 participants. The event has %2 available spaces (you will not be wait listed).", array(1 => ++$processedCnt, 2 => $spaces));
 266           }
 267         }
 268         else {
 269           $statusMessage = ts("It looks like you are now registering a group of %1 participants. The event has %2 available spaces (you will not be wait listed). Please go back to the main registration page and reduce the number of additional people. You will also need to complete payment information.", array(1 => ++$processedCnt, 2 => $spaces));
 270           $allowToProceed = FALSE;
 271         }
 272         CRM_Core_Session::setStatus($statusMessage, ts('Registration Error'), 'error');
 273       }
 274       elseif ($processedCnt == $spaces) {
 275         if (CRM_Utils_Array::value('amount', $this->_params[0], 0) == 0
 276           || $realPayLater || $this->_requireApproval
 277         ) {
 278           $this->_resetAllowWaitlist = TRUE;
 279           if ($this->_requireApproval) {
 280             $statusMessage = ts("If you skip this participant there will be enough spaces in the event for your group (you will not be wait listed). Registration for this event requires approval. You will receive an email once your registration has been reviewed.");
 281           }
 282           else {
 283             $statusMessage = ts("If you skip this participant there will be enough spaces in the event for your group (you will not be wait listed).");
 284           }
 285         }
 286         else {
 287           //hey there is enough space and we require payment.
 288           $statusMessage = ts("If you skip this participant there will be enough spaces in the event for your group (you will not be wait listed). Please go back to the main registration page and reduce the number of additional people. You will also need to complete payment information.");
 289           $includeSkipButton = FALSE;
 290         }
 291       }
 292     }
 293
 294     // for priceset with count
 295     if ($pricesetFieldsCount && !empty($this->_values['event']['has_waitlist']) &&
 296       !$this->_allowConfirmation
 297     ) {
 298
 299       if ($this->_isEventFull) {
 300         $statusMessage = ts('This event is currently full. You are registering for the waiting list. You will be notified if spaces become available.');
 301       }
 302       elseif ($this->_allowWaitlist ||
 303         (!$this->_allowWaitlist && ($processedCnt + $pricesetFieldsCount) > $this->_availableRegistrations)
 304       ) {
 305
 306         $waitingMsg = ts('It looks like you are registering more participants then there are spaces available. All participants will be added to the waiting list. You will be notified if spaces become available.');
 307         $confirmedMsg = ts('It looks like there are enough spaces in this event for your group (you will not be wait listed).');
 308         if ($this->_requireApproval) {
 309           $waitingMsg = ts('It looks like you are now registering a group of %1 participants. The event has %2 available spaces (you will not be wait listed). Registration for this event requires approval. You will receive an email once your registration has been reviewed.');
 310           $confirmedMsg = ts('It looks there are enough spaces in this event for your group (you will not be wait listed). Registration for this event requires approval. You will receive an email once your registration has been reviewed.');
 311         }
 312
 313         $this->assign('waitingMsg', $waitingMsg);
 314         $this->assign('confirmedMsg', $confirmedMsg);
 315
 316         $this->assign('availableRegistrations', $this->_availableRegistrations);
 317         $this->assign('currentParticipantCount', $processedCnt);
 318         $this->assign('allowGroupOnWaitlist', TRUE);
 319
 320         $paymentBypassed = NULL;
 321         if (!empty($this->_params[0]['bypass_payment']) &&
 322           !$this->_allowWaitlist &&
 323           !$realPayLater &&
 324           !$this->_requireApproval &&
 325           !(CRM_Utils_Array::value('amount', $this->_params[0], 0) == 0)
 326         ) {
 327           $paymentBypassed = ts('Please go back to the main registration page, to complete payment information.');
 328         }
 329         $this->assign('paymentBypassed', $paymentBypassed);
 330       }
 331     }
 332
 333     $this->assign('statusMessage', $statusMessage);
 334
 335     $buttons = array(
 336       array('type' => 'back',
 337         'name' => ts('<< Go Back'),
 338         'spacing' => '&nbsp;&nbsp;&nbsp;&nbsp',
 339       ),
 340     );
 341
 342     //CRM-4320
 343     if ($allowToProceed) {
 344       $buttons = array_merge($buttons, array(
 345         array('type' => 'next',
 346             'name' => ts('Continue >>'),
 347             'spacing' => '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;',
 348             'isDefault' => TRUE,
 349             'js' => $js,
 350           ),
 351         )
 352       );
 353       if ($includeSkipButton) {
 354         $buttons = array_merge($buttons, array(
 355           array('type' => 'next',
 356               'name' => ts('Skip Participant >>|'),
 357               'subName' => 'skip',
 358             ),
 359           )
 360         );
 361       }
 362     }
 363     $this->addButtons($buttons);
 364     $this->addFormRule(array('CRM_Event_Form_Registration_AdditionalParticipant', 'formRule'), $this);
 365   }
 366
 367   /**
 368    * global form rule
 369    *
 370    * @param array $fields the input form values
 371    * @param array $files the uploaded files if any
 372    * @param $self
 373    *
 374    * @internal param array $options additional user data
 375    *
 376    * @return true if no errors, else array of errors
 377    * @access public
 378    * @static
 379    */
 380   static function formRule($fields, $files, $self) {
 381     $errors = array();
 382     //get the button name.
 383     $button = substr($self->controller->getButtonName(), -4);
 384
 385     $realPayLater = FALSE;
 386     if (!empty($self->_values['event']['is_monetary']) && !empty($self->_values['event']['is_pay_later'])) {
 387       $realPayLater = CRM_Utils_Array::value('is_pay_later', $self->_params[0]);
 388     }
 389
 390     if ($button != 'skip') {
 391       //Check that either an email or firstname+lastname is included in the form(CRM-9587)
 392       CRM_Event_Form_Registration_Register::checkProfileComplete($fields, $errors, $self->_eventId);
 393
 394       //Additional Participant can also register for an event only once
 395       $isRegistered = CRM_Event_Form_Registration_Register::checkRegistration($fields, $self, TRUE);
 396       if ($isRegistered) {
 397         if ($self->_values['event']['allow_same_participant_emails']) {
 398           $errors['_qf_default'] = ts('A person is already registered for this event.');
 399         }
 400         else {
 401           $errors["email-{$self->_bltID}"] = ts('A person with this email address is already registered for this event.');
 402         }
 403       }
 404
 405       //get the complete params.
 406       $params = $self->get('params');
 407
 408       //take the participant instance.
 409       $addParticipantNum = substr($self->_name, 12);
 410
 411       if (is_array($params)) {
 412         foreach ($params as $key => $value) {
 413           if ($key != $addParticipantNum) {
 414             if (!$self->_values['event']['allow_same_participant_emails']) {
 415               //collect all email fields
 416               $existingEmails = array();
 417               $additionalParticipantEmails = array();
 418               if (is_array($value)) {
 419               foreach ($value as $key => $val) {
 420                 if (substr($key, 0, 6) == 'email-' && $val) {
 421                   $existingEmails[] = $val;
 422                 }
 423               }
 424               }
 425               foreach ($fields as $key => $val) {
 426                 if (substr($key, 0, 6) == 'email-' && $val) {
 427                   $additionalParticipantEmails[] = $val;
 428                   $mailKey = $key;
 429                 }
 430               }
 431               //check if any emails are common to both arrays
 432               if (count(array_intersect($existingEmails, $additionalParticipantEmails))) {
 433                 $errors[$mailKey] = ts('The email address must be unique for each participant.');
 434                 break;
 435               }
 436             }
 437             else {
 438               // check with first_name and last_name for additional participants
 439               if (!empty($value['first_name']) && ($value['first_name'] == CRM_Utils_Array::value('first_name', $fields)) &&
 440                 (CRM_Utils_Array::value('last_name',$value) == CRM_Utils_Array::value('last_name', $fields))
 441               ) {
 442                 $errors['first_name'] = ts('The first name and last name must be unique for each participant.');
 443                 break;
 444               }
 445             }
 446           }
 447         }
 448       }
 449
 450       //check for atleast one pricefields should be selected
 451       if (!empty($fields['priceSetId'])) {
 452         $allParticipantParams = $params;
 453
 454         //format current participant params.
 455         $allParticipantParams[$addParticipantNum] = self::formatPriceSetParams($self, $fields);
 456         $totalParticipants = self::getParticipantCount($self, $allParticipantParams);
 457
 458         //validate price field params.
 459         $priceSetErrors = self::validatePriceSet($self, $allParticipantParams);
 460         $errors = array_merge($errors, CRM_Utils_Array::value($addParticipantNum, $priceSetErrors, array()));
 461
 462         if (!$self->_allowConfirmation &&
 463           is_numeric($self->_availableRegistrations)
 464         ) {
 465           if (!empty($self->_params[0]['bypass_payment']) &&
 466             !$self->_allowWaitlist &&
 467             !$realPayLater &&
 468             !$self->_requireApproval &&
 469             !(CRM_Utils_Array::value('amount', $self->_params[0], 0) == 0) &&
 470             $totalParticipants < $self->_availableRegistrations
 471           ) {
 472             $errors['_qf_default'] = ts("Your event registration will be confirmed. Please go back to the main registration page, to complete payment information.");
 473           }
 474           //check for availability of registrations.
 475           if (!$self->_allowConfirmation && empty($self->_values['event']['has_waitlist']) &&
 476             $totalParticipants > $self->_availableRegistrations
 477           ) {
 478             $errors['_qf_default'] = ts('It looks like event has only %2 seats available and you are trying to register %1 participants, so could you please select price options accordingly.', array(1 => $totalParticipants, 2 => $self->_availableRegistrations));
 479           }
 480         }
 481       }
 482     }
 483
 484     if ($button == 'skip' && $self->_lastParticipant && !empty($fields['priceSetId'])) {
 485       $pricesetFieldsCount = CRM_Price_BAO_PriceSet::getPricesetCount($fields['priceSetId']);
 486       if (($pricesetFieldsCount < 1) || $self->_allowConfirmation) {
 487         return $errors;
 488       }
 489
 490       if (!empty($self->_values['event']['has_waitlist']) && !empty($self->_params[0]['bypass_payment']) &&
 491         !$self->_allowWaitlist &&
 492         !$realPayLater &&
 493         !$self->_requireApproval &&
 494         !(CRM_Utils_Array::value('amount', $self->_params[0], 0) == 0)
 495       ) {
 496         $errors['_qf_default'] = ts("You are going to skip the last participant, your event registration will be confirmed. Please go back to the main registration page, to complete payment information.");
 497       }
 498     }
 499
 500
 501     if ($button != 'skip' &&
 502       $self->_values['event']['is_monetary'] &&
 503       !isset($errors['_qf_default']) &&
 504       !$self->validatePaymentValues($self, $fields)
 505     ) {
 506       $errors['_qf_default'] = ts("Your payment information looks incomplete. Please go back to the main registration page, to complete payment information.");
 507       $self->set('forcePayement', TRUE);
 508     }
 509     elseif ($button == 'skip') {
 510       $self->set('forcePayement', TRUE);
 511     }
 512
 513     return $errors;
 514   }
 515
 516   /**
 517    * @param $self
 518    * @param $fields
 519    *
 520    * @return bool
 521    */
 522   function validatePaymentValues($self, $fields) {
 523
 524     if (!empty($self->_params[0]['bypass_payment']) ||
 525       $self->_allowWaitlist ||
 526       empty($self->_fields) ||
 527       CRM_Utils_Array::value('amount', $self->_params[0]) > 0
 528     ) {
 529       return TRUE;
 530     }
 531
 532     $validatePayement = FALSE;
 533     if (!empty($fields['priceSetId'])) {
 534       $lineItem = array();
 535       CRM_Price_BAO_PriceSet::processAmount($self->_values['fee'], $fields, $lineItem);
 536       if ($fields['amount'] > 0) {
 537         $validatePayement = TRUE;
 538         // $self->_forcePayement = true;
 539         // return false;
 540       }
 541     }
 542     elseif (!empty($fields['amount']) &&
 543       (CRM_Utils_Array::value('value', $self->_values['fee'][$fields['amount']]) > 0)
 544     ) {
 545       $validatePayement = TRUE;
 546     }
 547
 548     if (!$validatePayement) {
 549       return TRUE;
 550     }
 551
 552     $errors = array();
 553
 554     CRM_Core_Form::validateMandatoryFields($self->_fields, $fields, $errors);
 555
 556     // make sure that credit card number and cvv are valid
 557     CRM_Core_Payment_Form::validateCreditCard($self->_params[0], $errors);
 558
 559     if ($errors) {
 560       return FALSE;
 561     }
 562
 563     foreach (CRM_Contact_BAO_Contact::$_greetingTypes as $greeting) {
 564       if ($greetingType = CRM_Utils_Array::value($greeting, $self->_params[0])) {
 565         $customizedValue = CRM_Core_OptionGroup::getValue($greeting, 'Customized', 'name');
 566         if ($customizedValue == $greetingType && empty($self->_params[0][$greeting . '_custom'])) {
 567           return FALSE;
 568         }
 569       }
 570     }
 571   }
 572
 573   /**
 574    * Function to process the form
 575    *
 576    * @access public
 577    *
 578    * @return void
 579    */
 580   public function postProcess() {
 581     //get the button name.
 582     $button = substr($this->controller->getButtonName(), -4);
 583
 584     //take the participant instance.
 585     $addParticipantNum = substr($this->_name, 12);
 586
 587     //user submitted params.
 588     $params = $this->controller->exportValues($this->_name);
 589
 590     if (!$this->_allowConfirmation) {
 591       // check if the participant is already registered
 592       $params['contact_id'] = CRM_Event_Form_Registration_Register::checkRegistration($params, $this, TRUE, TRUE);
 593     }
 594
 595     //carry campaign to partcipants.
 596     if (array_key_exists('participant_campaign_id', $params)) {
 597       $params['campaign_id'] = $params['participant_campaign_id'];
 598     }
 599     else {
 600       $params['campaign_id'] = CRM_Utils_Array::value('campaign_id', $this->_values['event']);
 601     }
 602
 603     // if waiting is enabled
 604     if (!$this->_allowConfirmation &&
 605       is_numeric($this->_availableRegistrations)
 606     ) {
 607       $this->_allowWaitlist = FALSE;
 608       //get the current page count.
 609       $currentCount = self::getParticipantCount($this, $params);
 610       if ($button == 'skip') {
 611         $currentCount = 'skip';
 612       }
 613
 614       //get the total count.
 615       $previousCount = self::getParticipantCount($this, $this->_params, TRUE);
 616       $totalParticipants = $previousCount;
 617       if (is_numeric($currentCount)) {
 618         $totalParticipants += $currentCount;
 619       }
 620       if (!empty($this->_values['event']['has_waitlist']) &&
 621         $totalParticipants > $this->_availableRegistrations
 622       ) {
 623         $this->_allowWaitlist = TRUE;
 624       }
 625       $this->set('allowWaitlist', $this->_allowWaitlist);
 626       $this->_lineItemParticipantsCount[$addParticipantNum] = $currentCount;
 627     }
 628
 629     if ($button == 'skip') {
 630       //hack for free/zero amount event.
 631       if ($this->_resetAllowWaitlist) {
 632         $this->_allowWaitlist = FALSE;
 633         $this->set('allowWaitlist', FALSE);
 634         if ($this->_requireApproval) {
 635           $status = ts("You have skipped last participant and which result into event having enough spaces, but your registration require approval, Once your registration has been reviewed, you will receive an email with a link to a web page where you can complete the registration process.");
 636         }
 637         else {
 638           $status = ts("You have skipped last participant and which result into event having enough spaces, hence your group become as register participants though you selected on wait list.");
 639         }
 640         CRM_Core_Session::setStatus($status);
 641       }
 642
 643       $this->_params[$addParticipantNum] = 'skip';
 644       if (isset($this->_lineItem)) {
 645         $this->_lineItem[$addParticipantNum] = 'skip';
 646         $this->_lineItemParticipantsCount[$addParticipantNum] = 'skip';
 647       }
 648     }
 649     else {
 650
 651       $config = CRM_Core_Config::singleton();
 652       $params['currencyID'] = $config->defaultCurrency;
 653
 654       if ($this->_values['event']['is_monetary']) {
 655
 656         //added for discount
 657         $discountId = CRM_Core_BAO_Discount::findSet($this->_eventId, 'civicrm_event');
 658
 659         if (!empty($this->_values['discount'][$discountId])) {
 660           $params['discount_id'] = $discountId;
 661           $params['amount_level'] = $this->_values['discount'][$discountId][$params['amount']]['label'];
 662           $params['amount'] = $this->_values['discount'][$discountId][$params['amount']]['value'];
 663         }
 664         elseif (empty($params['priceSetId'])) {
 665           $params['amount_level'] = $this->_values['fee'][$params['amount']]['label'];
 666           $params['amount'] = $this->_values['fee'][$params['amount']]['value'];
 667         }
 668         else {
 669           $lineItem = array();
 670           CRM_Price_BAO_PriceSet::processAmount($this->_values['fee'], $params, $lineItem);
 671
 672           //build the line item..
 673           if (array_key_exists($addParticipantNum, $this->_lineItem)) {
 674             $this->_lineItem[$addParticipantNum] = $lineItem;
 675           }
 676           else {
 677             $this->_lineItem[] = $lineItem;
 678           }
 679         }
 680       }
 681
 682       if (array_key_exists('participant_role', $params)) {
 683         $params['participant_role_id'] = $params['participant_role'];
 684       }
 685
 686       if (empty($params['participant_role_id']) && $this->_values['event']['default_role_id']) {
 687         $params['participant_role_id'] = $this->_values['event']['default_role_id'];
 688       }
 689
 690       if (!empty($this->_params[0]['is_pay_later'])) {
 691         $params['is_pay_later'] = 1;
 692       }
 693
 694       //carry additional participant id, contact id if pre-registered.
 695       if ($this->_allowConfirmation && $this->_additionalParticipantId) {
 696         $params['contact_id'] = $this->_contactId;
 697         $params['participant_id'] = $this->_additionalParticipantId;
 698       }
 699
 700       //build the params array.
 701       if (array_key_exists($addParticipantNum, $this->_params)) {
 702         $this->_params[$addParticipantNum] = $params;
 703       }
 704       else {
 705         $this->_params[] = $params;
 706       }
 707     }
 708
 709     //finally set the params.
 710     $this->set('params', $this->_params);
 711     //set the line item.
 712     if ($this->_lineItem) {
 713       $this->set('lineItem', $this->_lineItem);
 714       $this->set('lineItemParticipantsCount', $this->_lineItemParticipantsCount);
 715     }
 716
 717     $participantNo = count($this->_params);
 718     if ($button != 'skip') {
 719       $statusMsg = ts('Registration information for participant %1 has been saved.', array(1 => $participantNo));
 720       CRM_Core_Session::setStatus($statusMsg, ts('Registration Saved'), 'success');
 721     }
 722
 723     // Check whether to process the registration now, calling processRegistration()
 724     if (
 725       !$this->_values['event']['is_confirm_enabled'] // CRM-11182 - Optional confirmation screen
 726       && !$this->_values['event']['is_monetary']
 727       && CRM_Utils_Array::value('additional_participants', $this->_params[0])
 728       && $this->isLastParticipant()
 729     ) {
 730       CRM_Event_Form_Registration_Register::processRegistration($this->_params, NULL);
 731     }
 732   }
 733
 734   /**
 735    * @param $additionalParticipant
 736    *
 737    * @return array
 738    */
 739   public static function &getPages($additionalParticipant) {
 740     $details = array();
 741     for ($i = 1; $i <= $additionalParticipant; $i++) {
 742       $details["Participant_{$i}"] = array(
 743         'className' => 'CRM_Event_Form_Registration_AdditionalParticipant',
 744         'title' => "Register Additional Participant {$i}",
 745       );
 746     }
 747     return $details;
 748   }
 749
 750   /**
 751    * check whether call current participant is last one
 752    *
 753    * @param bool $isButtonJs
 754    *
 755    * @return boolean ture on success.
 756    * @access public
 757    */
 758   function isLastParticipant($isButtonJs = FALSE) {
 759     $participant = $isButtonJs ? $this->_params[0]['additional_participants'] : $this->_params[0]['additional_participants'] + 1;
 760     if (count($this->_params) == $participant) {
 761       return TRUE;
 762     }
 763     return FALSE;
 764   }
 765
 766   /**
 767    * Reset values for all options those are full.
 768    *
 769    **/
 770   function resetElementValue($optionFullIds = array(
 771     )) {
 772     if (!is_array($optionFullIds) ||
 773       empty($optionFullIds) ||
 774       !$this->isSubmitted()
 775     ) {
 776       return;
 777     }
 778
 779     foreach ($optionFullIds as $fldId => $optIds) {
 780       $name = "price_$fldId";
 781       if (!$this->elementExists($name)) {
 782         continue;
 783       }
 784
 785       $element = $this->getElement($name);
 786       $eleType = $element->getType();
 787
 788       $resetSubmitted = FALSE;
 789       switch ($eleType) {
 790         case 'text':
 791           if ($element->isFrozen()) {
 792             $element->setValue('');
 793             $resetSubmitted = TRUE;
 794           }
 795           break;
 796
 797         case 'group':
 798           if (is_array($element->_elements)) {
 799             foreach ($element->_elements as $child) {
 800               $childType = $child->getType();
 801               $methodName = 'getName';
 802               if ($childType) {
 803                 $methodName = 'getValue';
 804               }
 805               if (in_array($child->{$methodName}(), $optIds) && $child->isFrozen()) {
 806                 $resetSubmitted = TRUE;
 807                 $child->updateAttributes(array('checked' => NULL));
 808               }
 809             }
 810           }
 811           break;
 812
 813         case 'select':
 814           $resetSubmitted = TRUE;
 815           $element->_values = array();
 816           break;
 817       }
 818
 819       //finally unset values from submitted.
 820       if ($resetSubmitted) {
 821         $this->resetSubmittedValue($name, $optIds);
 822       }
 823     }
 824   }
 825
 826   /**
 827    * @param $elementName
 828    * @param array $optionIds
 829    */
 830   function resetSubmittedValue($elementName, $optionIds = array(
 831     )) {
 832     if (empty($elementName) ||
 833       !$this->elementExists($elementName) ||
 834       !$this->getSubmitValue($elementName)
 835     ) {
 836       return;
 837     }
 838     foreach (array(
 839       'constantValues', 'submitValues', 'defaultValues') as $val) {
 840       $values = &$this->{"_$val"};
 841       if (!is_array($values) || empty($values)) {
 842         continue;
 843       }
 844       $eleVal = CRM_Utils_Array::value($elementName, $values);
 845       if (empty($eleVal)) {
 846         continue;
 847       }
 848       if (is_array($eleVal)) {
 849         $found = FALSE;
 850         foreach ($eleVal as $keyId => $ignore) {
 851           if (in_array($keyId, $optionIds)) {
 852             $found = TRUE;
 853             unset($values[$elementName][$keyId]);
 854           }
 855         }
 856         if ($found && empty($values[$elementName][$keyId])) {
 857           $values[$elementName][$keyId] = NULL;
 858         }
 859       }
 860       else {
 861         $values[$elementName][$keyId] = NULL;
 862       }
 863     }
 864   }
 865 }
 866