CRM/Event/BAO/Participant.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | Copyright CiviCRM LLC. All rights reserved.                        |
   5  |                                                                    |
   6  | This work is published under the GNU AGPLv3 license with some      |
   7  | permitted exceptions and without any warranty. For full license    |
   8  | and copyright information, see https://civicrm.org/licensing       |
   9  +--------------------------------------------------------------------+
  10
  11  */
  12
  13 /**
  14  * @package CRM
  15  * @copyright CiviCRM LLC https://civicrm.org/licensing
  16  */
  17 class CRM_Event_BAO_Participant extends CRM_Event_DAO_Participant {
  18
  19   /**
  20    * Static field for all the participant information that we can potentially import.
  21    *
  22    * @var array
  23    */
  24   public static $_importableFields = NULL;
  25
  26   /**
  27    * Static field for all the participant information that we can potentially export.
  28    *
  29    * @var array
  30    */
  31   public static $_exportableFields = NULL;
  32
  33   /**
  34    * Static array for valid status transitions rules.
  35    *
  36    * @var array
  37    */
  38   public static $_statusTransitionsRules = [
  39     'Pending from pay later' => ['Registered', 'Cancelled'],
  40     'Pending from incomplete transaction' => ['Registered', 'Cancelled'],
  41     'On waitlist' => ['Cancelled', 'Pending from waitlist'],
  42     'Pending from waitlist' => ['Registered', 'Cancelled'],
  43     'Awaiting approval' => ['Cancelled', 'Pending from approval'],
  44     'Pending from approval' => ['Registered', 'Cancelled'],
  45   ];
  46
  47   /**
  48    */
  49   public function __construct() {
  50     parent::__construct();
  51   }
  52
  53   /**
  54    * Takes an associative array and creates a participant object.
  55    *
  56    * the function extract all the params it needs to initialize the create a
  57    * participant object. the params array could contain additional unused name/value
  58    * pairs
  59    *
  60    * @param array $params
  61    *   (reference ) an assoc array of name/value pairs.
  62    *
  63    * @return CRM_Event_BAO_Participant
  64    */
  65   public static function &add(&$params) {
  66
  67     if (!empty($params['id'])) {
  68       CRM_Utils_Hook::pre('edit', 'Participant', $params['id'], $params);
  69     }
  70     else {
  71       CRM_Utils_Hook::pre('create', 'Participant', NULL, $params);
  72     }
  73
  74     // converting dates to mysql format
  75     if (!empty($params['register_date'])) {
  76       $params['register_date'] = CRM_Utils_Date::isoToMysql($params['register_date']);
  77     }
  78
  79     if (!empty($params['participant_fee_amount'])) {
  80       $params['participant_fee_amount'] = CRM_Utils_Rule::cleanMoney($params['participant_fee_amount']);
  81     }
  82
  83     if (!empty($params['fee_amount'])) {
  84       $params['fee_amount'] = CRM_Utils_Rule::cleanMoney($params['fee_amount']);
  85     }
  86
  87     // ensure that role ids are encoded as a string
  88     if (isset($params['role_id']) && is_array($params['role_id'])) {
  89       if (in_array(key($params['role_id']), CRM_Core_DAO::acceptedSQLOperators(), TRUE)) {
  90         $op = key($params['role_id']);
  91         $params['role_id'] = $params['role_id'][$op];
  92       }
  93       else {
  94         $params['role_id'] = implode(CRM_Core_DAO::VALUE_SEPARATOR, $params['role_id']);
  95       }
  96     }
  97
  98     $participantBAO = new CRM_Event_BAO_Participant();
  99     if (!empty($params['id'])) {
 100       $participantBAO->id = CRM_Utils_Array::value('id', $params);
 101       $participantBAO->find(TRUE);
 102       $participantBAO->register_date = CRM_Utils_Date::isoToMysql($participantBAO->register_date);
 103     }
 104
 105     $participantBAO->copyValues($params);
 106
 107     //CRM-6910
 108     //1. If currency present, it should be valid one.
 109     //2. We should have currency when amount is not null.
 110     $currency = $participantBAO->fee_currency;
 111     if ($currency ||
 112       !CRM_Utils_System::isNull($participantBAO->fee_amount)
 113     ) {
 114       if (!CRM_Utils_Rule::currencyCode($currency)) {
 115         $config = CRM_Core_Config::singleton();
 116         $currency = $config->defaultCurrency;
 117       }
 118     }
 119     $participantBAO->fee_currency = $currency;
 120
 121     $participantBAO->save();
 122
 123     CRM_Contact_BAO_GroupContactCache::opportunisticCacheFlush();
 124
 125     if (!empty($params['id'])) {
 126       CRM_Utils_Hook::post('edit', 'Participant', $participantBAO->id, $participantBAO);
 127     }
 128     else {
 129       CRM_Utils_Hook::post('create', 'Participant', $participantBAO->id, $participantBAO);
 130     }
 131
 132     return $participantBAO;
 133   }
 134
 135   /**
 136    * Given the list of params in the params array, fetch the object
 137    * and store the values in the values array
 138    *
 139    * @param array $params
 140    *   Input parameters to find object.
 141    * @param array $values
 142    *   Output values of the object.
 143    *
 144    * @param $ids
 145    *
 146    * @return CRM_Event_BAO_Participant|null the found object or null
 147    */
 148   public static function getValues(&$params, &$values = [], &$ids = []) {
 149     if (empty($params)) {
 150       return NULL;
 151     }
 152     $participant = new CRM_Event_BAO_Participant();
 153     $participant->copyValues($params);
 154     $participant->find();
 155     $participants = [];
 156     while ($participant->fetch()) {
 157       $ids['participant'] = $participant->id;
 158       CRM_Core_DAO::storeValues($participant, $values[$participant->id]);
 159       $participants[$participant->id] = $participant;
 160     }
 161     return $participants;
 162   }
 163
 164   /**
 165    * Takes an associative array and creates a participant object.
 166    *
 167    * @param array $params
 168    *   (reference ) an assoc array of name/value pairs.
 169    *
 170    * @return CRM_Event_BAO_Participant
 171    */
 172   public static function create(&$params) {
 173
 174     $transaction = new CRM_Core_Transaction();
 175     $status = NULL;
 176
 177     if (!empty($params['id'])) {
 178       $status = CRM_Core_DAO::getFieldValue('CRM_Event_DAO_Participant', $params['id'], 'status_id');
 179     }
 180
 181     $participant = self::add($params);
 182
 183     if (is_a($participant, 'CRM_Core_Error')) {
 184       $transaction->rollback();
 185       return $participant;
 186     }
 187
 188     // Log activity when creating new participant or changing status
 189     if (empty($params['id']) ||
 190       (isset($params['status_id']) && $params['status_id'] != $status)
 191     ) {
 192       // Default status if not specified
 193       $participant->status_id = $participant->status_id ?: self::fields()['participant_status_id']['default'];
 194       CRM_Activity_BAO_Activity::addActivity($participant);
 195     }
 196
 197     //CRM-5403
 198     //for update mode
 199     if (self::isPrimaryParticipant($participant->id) && $status) {
 200       self::updateParticipantStatus($participant->id, $status, $participant->status_id);
 201     }
 202
 203     $session = CRM_Core_Session::singleton();
 204     $id = $session->get('userID');
 205     if (!$id) {
 206       $id = CRM_Utils_Array::value('contact_id', $params);
 207     }
 208
 209     // add custom field values
 210     if (!empty($params['custom']) &&
 211       is_array($params['custom'])
 212     ) {
 213       CRM_Core_BAO_CustomValueTable::store($params['custom'], 'civicrm_participant', $participant->id);
 214     }
 215
 216     //process note, CRM-7634
 217     $noteId = NULL;
 218     if (!empty($params['id'])) {
 219       $note = CRM_Core_BAO_Note::getNote($params['id'], 'civicrm_participant');
 220       $noteId = key($note);
 221     }
 222     $noteValue = NULL;
 223     $hasNoteField = FALSE;
 224     foreach ([
 225       'note',
 226       'participant_note',
 227     ] as $noteFld) {
 228       if (array_key_exists($noteFld, $params)) {
 229         $noteValue = $params[$noteFld];
 230         $hasNoteField = TRUE;
 231         break;
 232       }
 233     }
 234     if ($noteId || $noteValue) {
 235       if ($noteValue) {
 236         $noteParams = [
 237           'entity_table' => 'civicrm_participant',
 238           'note' => $noteValue,
 239           'entity_id' => $participant->id,
 240           'contact_id' => $id,
 241           'modified_date' => date('Ymd'),
 242         ];
 243         $noteIDs = [];
 244         if ($noteId) {
 245           $noteIDs['id'] = $noteId;
 246         }
 247         CRM_Core_BAO_Note::add($noteParams, $noteIDs);
 248       }
 249       elseif ($noteId && $hasNoteField) {
 250         CRM_Core_BAO_Note::del($noteId, FALSE);
 251       }
 252     }
 253
 254     // Log the information on successful add/edit of Participant data.
 255     $logParams = [
 256       'entity_table' => 'civicrm_participant',
 257       'entity_id' => $participant->id,
 258       'data' => CRM_Event_PseudoConstant::participantStatus($participant->status_id),
 259       'modified_id' => $id,
 260       'modified_date' => date('Ymd'),
 261     ];
 262
 263     CRM_Core_BAO_Log::add($logParams);
 264
 265     $params['participant_id'] = $participant->id;
 266
 267     $transaction->commit();
 268
 269     // do not add to recent items for import, CRM-4399
 270     if (empty($params['skipRecentView'])) {
 271
 272       $url = CRM_Utils_System::url('civicrm/contact/view/participant',
 273         "action=view&reset=1&id={$participant->id}&cid={$participant->contact_id}&context=home"
 274       );
 275
 276       $recentOther = [];
 277       if (CRM_Core_Permission::check('edit event participants')) {
 278         $recentOther['editUrl'] = CRM_Utils_System::url('civicrm/contact/view/participant',
 279           "action=update&reset=1&id={$participant->id}&cid={$participant->contact_id}&context=home"
 280         );
 281       }
 282       if (CRM_Core_Permission::check('delete in CiviEvent')) {
 283         $recentOther['deleteUrl'] = CRM_Utils_System::url('civicrm/contact/view/participant',
 284           "action=delete&reset=1&id={$participant->id}&cid={$participant->contact_id}&context=home"
 285         );
 286       }
 287
 288       $participantRoles = CRM_Event_PseudoConstant::participantRole();
 289
 290       if ($participant->role_id) {
 291         $role = explode(CRM_Core_DAO::VALUE_SEPARATOR, $participant->role_id);
 292
 293         foreach ($role as & $roleValue) {
 294           if (isset($roleValue)) {
 295             $roleValue = $participantRoles[$roleValue];
 296           }
 297         }
 298         $roles = implode(', ', $role);
 299       }
 300
 301       $roleString = empty($roles) ? '' : $roles;
 302       $eventTitle = CRM_Core_DAO::getFieldValue('CRM_Event_DAO_Event', $participant->event_id, 'title');
 303       $title = CRM_Contact_BAO_Contact::displayName($participant->contact_id) . ' (' . $roleString . ' - ' . $eventTitle . ')';
 304
 305       // add the recently created Participant
 306       CRM_Utils_Recent::add($title,
 307         $url,
 308         $participant->id,
 309         'Participant',
 310         $participant->contact_id,
 311         NULL,
 312         $recentOther
 313       );
 314     }
 315
 316     return $participant;
 317   }
 318
 319   /**
 320    * Check whether the event is full for participation and return as.
 321    * per requirements.
 322    *
 323    * @param int $eventId
 324    *   Event id.
 325    * @param bool $returnEmptySeats
 326    *   Are we require number if empty seats.
 327    * @param bool $includeWaitingList
 328    *   Consider waiting list in event full.
 329    *                 calculation or not. (it is for cron job  purpose)
 330    *
 331    * @param bool $returnWaitingCount
 332    * @param bool $considerTestParticipant
 333    *   When TRUE, include participant records where is_test = 1.
 334    * @param bool $onlyPositiveStatuses
 335    *   When FALSE, count all participant statuses where is_counted = 1.  This includes
 336    *   both "Positive" participants (Registered, Attended, etc.) and waitlisted
 337    *   (and some pending) participants.
 338    *   When TRUE, count only participants with statuses of "Positive".
 339    *
 340    * @return bool|int|null|string
 341    *   1. false                 => If event having some empty spaces.
 342    */
 343   public static function eventFull(
 344     $eventId,
 345     $returnEmptySeats = FALSE,
 346     $includeWaitingList = TRUE,
 347     $returnWaitingCount = FALSE,
 348     $considerTestParticipant = FALSE,
 349     $onlyPositiveStatuses = FALSE
 350   ) {
 351     $result = NULL;
 352     if (!$eventId) {
 353       return $result;
 354     }
 355
 356     // consider event is full when.
 357     // 1. (count(is_counted) >= event_size) or
 358     // 2. (count(participants-with-status-on-waitlist) > 0)
 359     // It might be case there are some empty spaces and still event
 360     // is full, as waitlist might represent group require spaces > empty.
 361
 362     $participantRoles = CRM_Event_PseudoConstant::participantRole(NULL, 'filter = 1');
 363     $countedStatuses = CRM_Event_PseudoConstant::participantStatus(NULL, 'is_counted = 1');
 364     $positiveStatuses = CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Positive'");
 365     $waitingStatuses = CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Waiting'");
 366     $onWaitlistStatusId = array_search('On waitlist', $waitingStatuses);
 367
 368     $where = [' event.id = %1 '];
 369     if (!$considerTestParticipant) {
 370       $where[] = ' ( participant.is_test = 0 OR participant.is_test IS NULL ) ';
 371     }
 372
 373     // Only count Participant Roles with the "Counted?" flag.
 374     if (!empty($participantRoles)) {
 375       $escapedRoles = [];
 376       foreach (array_keys($participantRoles) as $participantRole) {
 377         $escapedRoles[] = CRM_Utils_Type::escape($participantRole, 'String');
 378       }
 379
 380       $regexp = "([[:cntrl:]]|^)" . implode('([[:cntrl:]]|$)|([[:cntrl:]]|^)', $escapedRoles) . "([[:cntrl:]]|$)";
 381       $where[] = " participant.role_id REGEXP '{$regexp}'";
 382     }
 383
 384     $eventParams = [1 => [$eventId, 'Positive']];
 385
 386     //in case any waiting, straight forward event is full.
 387     if ($includeWaitingList && $onWaitlistStatusId) {
 388
 389       //build the where clause.
 390       $whereClause = ' WHERE ' . implode(' AND ', $where);
 391       $whereClause .= " AND participant.status_id = $onWaitlistStatusId ";
 392       $eventSeatsWhere = implode(' AND ', $where) . " AND ( participant.status_id = $onWaitlistStatusId )";
 393
 394       $query = "
 395     SELECT  participant.id id,
 396             event.event_full_text as event_full_text
 397       FROM  civicrm_participant participant
 398 INNER JOIN  civicrm_event event ON ( event.id = participant.event_id )
 399             {$whereClause}";
 400
 401       $eventFullText = ts('This event is full.');
 402       $participants = CRM_Core_DAO::executeQuery($query, $eventParams);
 403       while ($participants->fetch()) {
 404         //oops here event is full and we don't want waiting count.
 405         if ($returnWaitingCount) {
 406           return CRM_Event_BAO_Event::eventTotalSeats($eventId, $eventSeatsWhere);
 407         }
 408         else {
 409           return ($participants->event_full_text) ? $participants->event_full_text : $eventFullText;
 410         }
 411       }
 412     }
 413
 414     //Consider only counted participants, or alternatively only registered (not on waitlist) participants.
 415     if ($onlyPositiveStatuses) {
 416       $where[] = ' participant.status_id IN ( ' . implode(', ', array_keys($positiveStatuses)) . ' ) ';
 417     }
 418     else {
 419       $where[] = ' participant.status_id IN ( ' . implode(', ', array_keys($countedStatuses)) . ' ) ';
 420     }
 421     $whereClause = ' WHERE ' . implode(' AND ', $where);
 422     $eventSeatsWhere = implode(' AND ', $where);
 423
 424     $query = "
 425     SELECT  participant.id id,
 426             event.event_full_text as event_full_text,
 427             event.max_participants as max_participants
 428       FROM  civicrm_participant participant
 429 INNER JOIN  civicrm_event event ON ( event.id = participant.event_id )
 430             {$whereClause}";
 431
 432     $eventMaxSeats = NULL;
 433     $eventFullText = ts('This event is full.');
 434     $participants = CRM_Core_DAO::executeQuery($query, $eventParams);
 435     while ($participants->fetch()) {
 436       if ($participants->event_full_text) {
 437         $eventFullText = $participants->event_full_text;
 438       }
 439       $eventMaxSeats = $participants->max_participants;
 440       //don't have limit for event seats.
 441       if ($participants->max_participants == NULL) {
 442         return $result;
 443       }
 444     }
 445
 446     //get the total event seats occupied by these participants.
 447     $eventRegisteredSeats = CRM_Event_BAO_Event::eventTotalSeats($eventId, $eventSeatsWhere);
 448
 449     if ($eventRegisteredSeats) {
 450       if ($eventRegisteredSeats >= $eventMaxSeats) {
 451         $result = $eventFullText;
 452       }
 453       elseif ($returnEmptySeats) {
 454         $result = $eventMaxSeats - $eventRegisteredSeats;
 455       }
 456       return $result;
 457     }
 458     else {
 459       $query = '
 460 SELECT  event.event_full_text,
 461         event.max_participants
 462   FROM  civicrm_event event
 463  WHERE  event.id = %1';
 464       $event = CRM_Core_DAO::executeQuery($query, $eventParams);
 465       while ($event->fetch()) {
 466         $eventFullText = $event->event_full_text;
 467         $eventMaxSeats = $event->max_participants;
 468       }
 469     }
 470
 471     // no limit for registration.
 472     if ($eventMaxSeats == NULL) {
 473       return $result;
 474     }
 475     if ($eventMaxSeats) {
 476       return ($returnEmptySeats) ? (int) $eventMaxSeats : FALSE;
 477     }
 478
 479     return $eventFullText;
 480   }
 481
 482   /**
 483    * Return the array of all price set field options,
 484    * with total participant count that field going to carry.
 485    *
 486    * @param int $eventId
 487    *   Event id.
 488    * @param array $skipParticipantIds
 489    *   An array of participant ids those we should skip.
 490    * @param bool $considerCounted
 491    * @param bool $considerWaiting
 492    * @param bool $considerTestParticipants
 493    *
 494    * @return array
 495    *   an array of each option id and total count
 496    */
 497   public static function priceSetOptionsCount(
 498     $eventId,
 499     $skipParticipantIds = [],
 500     $considerCounted = TRUE,
 501     $considerWaiting = TRUE,
 502     $considerTestParticipants = FALSE
 503   ) {
 504     $optionsCount = [];
 505     if (!$eventId) {
 506       return $optionsCount;
 507     }
 508
 509     $allStatusIds = [];
 510     if ($considerCounted) {
 511       $countedStatuses = CRM_Event_PseudoConstant::participantStatus(NULL, 'is_counted = 1');
 512       $allStatusIds = array_merge($allStatusIds, array_keys($countedStatuses));
 513     }
 514     if ($considerWaiting) {
 515       $waitingStatuses = CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Waiting'");
 516       $allStatusIds = array_merge($allStatusIds, array_keys($waitingStatuses));
 517     }
 518     $statusIdClause = NULL;
 519     if (!empty($allStatusIds)) {
 520       $statusIdClause = ' AND participant.status_id IN ( ' . implode(', ', array_values($allStatusIds)) . ')';
 521     }
 522
 523     $isTestClause = NULL;
 524     if (!$considerTestParticipants) {
 525       $isTestClause = ' AND ( participant.is_test IS NULL OR participant.is_test = 0 )';
 526     }
 527
 528     $skipParticipantClause = NULL;
 529     if (is_array($skipParticipantIds) && !empty($skipParticipantIds)) {
 530       $skipParticipantClause = ' AND participant.id NOT IN ( ' . implode(', ', $skipParticipantIds) . ')';
 531     }
 532
 533     $sql = "
 534     SELECT  line.id as lineId,
 535             line.entity_id as entity_id,
 536             line.qty,
 537             value.id as valueId,
 538             value.count,
 539             field.html_type
 540       FROM  civicrm_line_item line
 541 INNER JOIN  civicrm_participant participant ON ( line.entity_table  = 'civicrm_participant'
 542                                                  AND participant.id = line.entity_id )
 543 INNER JOIN  civicrm_price_field_value value ON ( value.id = line.price_field_value_id )
 544 INNER JOIN  civicrm_price_field field       ON ( value.price_field_id = field.id )
 545      WHERE  participant.event_id = %1
 546        AND  line.qty > 0
 547             {$statusIdClause}
 548             {$isTestClause}
 549             {$skipParticipantClause}";
 550
 551     $lineItem = CRM_Core_DAO::executeQuery($sql, [1 => [$eventId, 'Positive']]);
 552     while ($lineItem->fetch()) {
 553       $count = $lineItem->count;
 554       if (!$count) {
 555         $count = 1;
 556       }
 557       if ($lineItem->html_type == 'Text') {
 558         $count *= $lineItem->qty;
 559       }
 560       $optionsCount[$lineItem->valueId] = $count + CRM_Utils_Array::value($lineItem->valueId, $optionsCount, 0);
 561     }
 562
 563     return $optionsCount;
 564   }
 565
 566   /**
 567    * Get the empty spaces for event those we can allocate
 568    * to pending participant to become confirm.
 569    *
 570    * @deprecated
 571    *
 572    * @param int $eventId
 573    *   Event id.
 574    *
 575    * @return int
 576    *   $spaces  Number of Empty Seats/null.
 577    */
 578   public static function pendingToConfirmSpaces($eventId) {
 579     CRM_Core_Error::deprecatedFunctionWarning('CRM_Event_BAO_Participant::eventFull');
 580     return CRM_Event_BAO_Participant::eventFull($eventId, TRUE, FALSE, TRUE, FALSE, TRUE);
 581   }
 582
 583   /**
 584    * Combine all the importable fields from the lower levels object.
 585    *
 586    * @param string $contactType
 587    * @param bool $status
 588    * @param bool $onlyParticipant
 589    * @param bool $checkPermission
 590    *   Is this a permissioned retrieval?
 591    *
 592    * @return array
 593    *   array of importable Fields
 594    */
 595   public static function &importableFields($contactType = 'Individual', $status = TRUE, $onlyParticipant = FALSE, $checkPermission = TRUE) {
 596     if (!self::$_importableFields) {
 597       if (!$onlyParticipant) {
 598         if (!$status) {
 599           $fields = ['' => ['title' => ts('- do not import -')]];
 600         }
 601         else {
 602           $fields = ['' => ['title' => ts('- Participant Fields -')]];
 603         }
 604       }
 605       else {
 606         $fields = [];
 607       }
 608
 609       $tmpFields = CRM_Event_DAO_Participant::import();
 610
 611       $note = [
 612         'participant_note' => [
 613           'title' => ts('Participant Note'),
 614           'name' => 'participant_note',
 615           'headerPattern' => '/(participant.)?note$/i',
 616           'data_type' => CRM_Utils_Type::T_TEXT,
 617         ],
 618       ];
 619
 620       // Split status and status id into 2 fields
 621       // Fixme: it would be better to leave as 1 field and intelligently handle both during import
 622       $participantStatus = [
 623         'participant_status' => [
 624           'title' => ts('Participant Status'),
 625           'name' => 'participant_status',
 626           'data_type' => CRM_Utils_Type::T_STRING,
 627         ],
 628       ];
 629       $tmpFields['participant_status_id']['title'] = ts('Participant Status Id');
 630
 631       // Split role and role id into 2 fields
 632       // Fixme: it would be better to leave as 1 field and intelligently handle both during import
 633       $participantRole = [
 634         'participant_role' => [
 635           'title' => ts('Participant Role'),
 636           'name' => 'participant_role',
 637           'data_type' => CRM_Utils_Type::T_STRING,
 638         ],
 639       ];
 640       $tmpFields['participant_role_id']['title'] = ts('Participant Role Id');
 641
 642       $eventType = [
 643         'event_type' => [
 644           'title' => ts('Event Type'),
 645           'name' => 'event_type',
 646           'data_type' => CRM_Utils_Type::T_STRING,
 647         ],
 648       ];
 649
 650       $tmpContactField = $contactFields = [];
 651       $contactFields = [];
 652       if (!$onlyParticipant) {
 653         $contactFields = CRM_Contact_BAO_Contact::importableFields($contactType, NULL);
 654
 655         // Using new Dedupe rule.
 656         $ruleParams = [
 657           'contact_type' => $contactType,
 658           'used' => 'Unsupervised',
 659         ];
 660         $fieldsArray = CRM_Dedupe_BAO_Rule::dedupeRuleFields($ruleParams);
 661
 662         if (is_array($fieldsArray)) {
 663           foreach ($fieldsArray as $value) {
 664             $customFieldId = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_CustomField',
 665               $value,
 666               'id',
 667               'column_name'
 668             );
 669             $value = $customFieldId ? 'custom_' . $customFieldId : $value;
 670             $tmpContactField[trim($value)] = CRM_Utils_Array::value(trim($value), $contactFields);
 671             if (!$status) {
 672               $title = $tmpContactField[trim($value)]['title'] . ' (match to contact)';
 673             }
 674             else {
 675               $title = $tmpContactField[trim($value)]['title'];
 676             }
 677
 678             $tmpContactField[trim($value)]['title'] = $title;
 679           }
 680         }
 681       }
 682       $extIdentifier = CRM_Utils_Array::value('external_identifier', $contactFields);
 683       if ($extIdentifier) {
 684         $tmpContactField['external_identifier'] = $extIdentifier;
 685         $tmpContactField['external_identifier']['title'] = CRM_Utils_Array::value('title', $extIdentifier) . ' (match to contact)';
 686       }
 687       $tmpFields['participant_contact_id']['title'] = $tmpFields['participant_contact_id']['title'] . ' (match to contact)';
 688
 689       $fields = array_merge($fields, $tmpContactField);
 690       $fields = array_merge($fields, $tmpFields);
 691       $fields = array_merge($fields, $note, $participantStatus, $participantRole, $eventType);
 692       $fields = array_merge($fields, CRM_Core_BAO_CustomField::getFieldsForImport('Participant', FALSE, FALSE, FALSE, $checkPermission));
 693
 694       self::$_importableFields = $fields;
 695     }
 696
 697     return self::$_importableFields;
 698   }
 699
 700   /**
 701    * Combine all the exportable fields from the lower level objects.
 702    *
 703    * @param bool $checkPermission
 704    *
 705    * @return array
 706    *   array of exportable Fields
 707    */
 708   public static function &exportableFields($checkPermission = TRUE) {
 709     if (!self::$_exportableFields) {
 710       if (!self::$_exportableFields) {
 711         self::$_exportableFields = [];
 712       }
 713
 714       $participantFields = CRM_Event_DAO_Participant::export();
 715       $eventFields = CRM_Event_DAO_Event::export();
 716       $noteField = [
 717         'participant_note' => [
 718           'title' => ts('Participant Note'),
 719           'name' => 'participant_note',
 720           'type' => CRM_Utils_Type::T_STRING,
 721         ],
 722       ];
 723
 724       $participantStatus = [
 725         'participant_status' => [
 726           'title' => ts('Participant Status (label)'),
 727           'name' => 'participant_status',
 728           'type' => CRM_Utils_Type::T_STRING,
 729         ],
 730       ];
 731
 732       $participantRole = [
 733         'participant_role' => [
 734           'title' => ts('Participant Role (label)'),
 735           'name' => 'participant_role',
 736           'type' => CRM_Utils_Type::T_STRING,
 737         ],
 738       ];
 739
 740       $participantFields['participant_status_id']['title'] .= ' (ID)';
 741       $participantFields['participant_role_id']['title'] .= ' (ID)';
 742
 743       $discountFields = CRM_Core_DAO_Discount::export();
 744
 745       $fields = array_merge($participantFields, $participantStatus, $participantRole, $eventFields, $noteField, $discountFields);
 746
 747       // add custom data
 748       $fields = array_merge($fields, CRM_Core_BAO_CustomField::getFieldsForImport('Participant', FALSE, FALSE, FALSE, $checkPermission));
 749       self::$_exportableFields = $fields;
 750     }
 751
 752     return self::$_exportableFields;
 753   }
 754
 755   /**
 756    * Get the event name/sort name for a particular participation / participant
 757    *
 758    * @param int $participantId
 759    *   Id of the participant.
 760    *
 761    * @return array
 762    *   associated array with sort_name and event title
 763    */
 764   public static function participantDetails($participantId) {
 765     $query = "
 766 SELECT civicrm_contact.sort_name as name, civicrm_event.title as title, civicrm_contact.id as cid
 767 FROM   civicrm_participant
 768    LEFT JOIN civicrm_event   ON (civicrm_participant.event_id = civicrm_event.id)
 769    LEFT JOIN civicrm_contact ON (civicrm_participant.contact_id = civicrm_contact.id)
 770 WHERE  civicrm_participant.id = {$participantId}
 771 ";
 772     $dao = CRM_Core_DAO::executeQuery($query);
 773
 774     $details = [];
 775     while ($dao->fetch()) {
 776       $details['name'] = $dao->name;
 777       $details['title'] = $dao->title;
 778       $details['cid'] = $dao->cid;
 779     }
 780
 781     return $details;
 782   }
 783
 784   /**
 785    * Get the values for pseudoconstants for name->value and reverse.
 786    *
 787    * @param array $defaults
 788    *   (reference) the default values, some of which need to be resolved.
 789    * @param bool $reverse
 790    *   True if we want to resolve the values in the reverse direction (value -> name).
 791    */
 792   public static function resolveDefaults(&$defaults, $reverse = FALSE) {
 793     self::lookupValue($defaults, 'event', CRM_Event_PseudoConstant::event(), $reverse);
 794     self::lookupValue($defaults, 'status', CRM_Event_PseudoConstant::participantStatus(NULL, NULL, 'label'), $reverse);
 795     self::lookupValue($defaults, 'role', CRM_Event_PseudoConstant::participantRole(), $reverse);
 796   }
 797
 798   /**
 799    * Convert associative array names to values and vice-versa.
 800    *
 801    * This function is used by both the web form layer and the api. Note that
 802    * the api needs the name => value conversion, also the view layer typically
 803    * requires value => name conversion
 804    *
 805    * @param array $defaults
 806    * @param string $property
 807    * @param string $lookup
 808    * @param bool $reverse
 809    *
 810    * @return bool
 811    */
 812   public static function lookupValue(&$defaults, $property, $lookup, $reverse) {
 813     $id = $property . '_id';
 814
 815     $src = $reverse ? $property : $id;
 816     $dst = $reverse ? $id : $property;
 817
 818     if (!array_key_exists($src, $defaults)) {
 819       return FALSE;
 820     }
 821
 822     $look = $reverse ? array_flip($lookup) : $lookup;
 823
 824     if (is_array($look)) {
 825       if (!array_key_exists($defaults[$src], $look)) {
 826         return FALSE;
 827       }
 828     }
 829     $defaults[$dst] = $look[$defaults[$src]];
 830     return TRUE;
 831   }
 832
 833   /**
 834    * Delete the records that are associated with this participation.
 835    *
 836    * @param int $id
 837    *   Id of the participation to delete.
 838    *
 839    * @return \CRM_Event_DAO_Participant
 840    */
 841   public static function deleteParticipant($id) {
 842     $participant = new CRM_Event_DAO_Participant();
 843     $participant->id = $id;
 844     if (!$participant->find()) {
 845       return FALSE;
 846     }
 847     CRM_Utils_Hook::pre('delete', 'Participant', $id, CRM_Core_DAO::$_nullArray);
 848
 849     $transaction = new CRM_Core_Transaction();
 850
 851     //delete activity record
 852     $params = [
 853       'source_record_id' => $id,
 854       // activity type id for event registration
 855       'activity_type_id' => 5,
 856     ];
 857
 858     CRM_Activity_BAO_Activity::deleteActivity($params);
 859
 860     // delete the participant payment record
 861     // we need to do this since the cascaded constraints
 862     // dont work with join tables
 863     $p = ['participant_id' => $id];
 864     CRM_Event_BAO_ParticipantPayment::deleteParticipantPayment($p);
 865
 866     // cleanup line items.
 867     $participantsId = [];
 868     $participantsId = self::getAdditionalParticipantIds($id);
 869     $participantsId[] = $id;
 870     CRM_Price_BAO_LineItem::deleteLineItems($participantsId, 'civicrm_participant');
 871
 872     //delete note when participant deleted.
 873     $note = CRM_Core_BAO_Note::getNote($id, 'civicrm_participant');
 874     $noteId = key($note);
 875     if ($noteId) {
 876       CRM_Core_BAO_Note::del($noteId, FALSE);
 877     }
 878
 879     $participant->delete();
 880
 881     $transaction->commit();
 882
 883     CRM_Utils_Hook::post('delete', 'Participant', $participant->id, $participant);
 884
 885     // delete the recently created Participant
 886     $participantRecent = [
 887       'id' => $id,
 888       'type' => 'Participant',
 889     ];
 890
 891     CRM_Utils_Recent::del($participantRecent);
 892
 893     return $participant;
 894   }
 895
 896   /**
 897    * Checks duplicate participants.
 898    *
 899    * @param array $input
 900    *   An assosiative array of name /value pairs.
 901    *   from other function
 902    * @param array $duplicates
 903    *   (reference ) an assoc array of name/value pairs.
 904    *
 905    * @return CRM_Contribute_BAO_Contribution
 906    */
 907   public static function checkDuplicate($input, &$duplicates) {
 908     $eventId = CRM_Utils_Array::value('event_id', $input);
 909     $contactId = CRM_Utils_Array::value('contact_id', $input);
 910
 911     $clause = [];
 912     $input = [];
 913
 914     if ($eventId) {
 915       $clause[] = "event_id = %1";
 916       $input[1] = [$eventId, 'Integer'];
 917     }
 918
 919     if ($contactId) {
 920       $clause[] = "contact_id = %2";
 921       $input[2] = [$contactId, 'Integer'];
 922     }
 923
 924     if (empty($clause)) {
 925       return FALSE;
 926     }
 927
 928     $clause = implode(' AND ', $clause);
 929
 930     $query = "SELECT id FROM civicrm_participant WHERE $clause";
 931     $dao = CRM_Core_DAO::executeQuery($query, $input);
 932     $result = FALSE;
 933     while ($dao->fetch()) {
 934       $duplicates[] = $dao->id;
 935       $result = TRUE;
 936     }
 937     return $result;
 938   }
 939
 940   /**
 941    * Fix the event level.
 942    *
 943    * When price sets are used as event fee, fee_level is set as ^A
 944    * separated string. We need to change that string to comma
 945    * separated string before using fee_level in view mode.
 946    *
 947    * @param string $eventLevel
 948    *   Event_level string from db.
 949    */
 950   public static function fixEventLevel(&$eventLevel) {
 951     if ((substr($eventLevel, 0, 1) == CRM_Core_DAO::VALUE_SEPARATOR) &&
 952       (substr($eventLevel, -1, 1) == CRM_Core_DAO::VALUE_SEPARATOR)
 953     ) {
 954       $eventLevel = implode(', ', explode(CRM_Core_DAO::VALUE_SEPARATOR, substr($eventLevel, 1, -1)));
 955       $pos = strrpos($eventLevel, '(multiple participants)', 0);
 956       if ($pos) {
 957         $eventLevel = substr_replace($eventLevel, "", $pos - 3, 1);
 958       }
 959     }
 960     elseif ((substr($eventLevel, 0, 1) == CRM_Core_DAO::VALUE_SEPARATOR)) {
 961       $eventLevel = implode(', ', explode(CRM_Core_DAO::VALUE_SEPARATOR,
 962         substr($eventLevel, 0, 1)
 963       ));
 964     }
 965     elseif ((substr($eventLevel, -1, 1) == CRM_Core_DAO::VALUE_SEPARATOR)) {
 966       $eventLevel = implode(', ', explode(CRM_Core_DAO::VALUE_SEPARATOR,
 967         substr($eventLevel, 0, -1)
 968       ));
 969     }
 970   }
 971
 972   /**
 973    * Get the additional participant ids.
 974    *
 975    * @param int $primaryParticipantId
 976    *   Primary partycipant Id.
 977    * @param bool $excludeCancel
 978    *   Do not include participant those are cancelled.
 979    *
 980    * @param int $oldStatusId
 981    *
 982    * @return array
 983    */
 984   public static function getAdditionalParticipantIds($primaryParticipantId, $excludeCancel = TRUE, $oldStatusId = NULL) {
 985     $additionalParticipantIds = [];
 986     if (!$primaryParticipantId) {
 987       return $additionalParticipantIds;
 988     }
 989
 990     $where = "participant.registered_by_id={$primaryParticipantId}";
 991     if ($excludeCancel) {
 992       $cancelStatusId = 0;
 993       $negativeStatuses = CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Negative'");
 994       $cancelStatusId = array_search('Cancelled', $negativeStatuses);
 995       $where .= " AND participant.status_id != {$cancelStatusId}";
 996     }
 997
 998     if ($oldStatusId) {
 999       $where .= " AND participant.status_id = {$oldStatusId}";
1000     }
1001
1002     $query = "
1003   SELECT  participant.id
1004     FROM  civicrm_participant participant
1005    WHERE  {$where}";
1006
1007     $dao = CRM_Core_DAO::executeQuery($query);
1008     while ($dao->fetch()) {
1009       $additionalParticipantIds[$dao->id] = $dao->id;
1010     }
1011     return $additionalParticipantIds;
1012   }
1013
1014   /**
1015    * Get the amount for the undiscounted version of the field.
1016    *
1017    * Note this function is part of the refactoring process rather than the best approach.
1018    *
1019    * @param int $eventID
1020    * @param int $discountedPriceFieldOptionID
1021    * @param string $feeLevel (deprecated)
1022    *
1023    * @return null|string
1024    */
1025   public static function getUnDiscountedAmountForEventPriceSetFieldValue($eventID, $discountedPriceFieldOptionID, $feeLevel) {
1026     $priceSetId = CRM_Price_BAO_PriceSet::getFor('civicrm_event', $eventID, NULL);
1027     $params = [
1028       1 => [$priceSetId, 'Integer'],
1029     ];
1030     if ($discountedPriceFieldOptionID) {
1031       $query = "SELECT cpfv.amount FROM `civicrm_price_field_value` cpfv
1032 LEFT JOIN civicrm_price_field cpf ON cpfv.price_field_id = cpf.id
1033 WHERE cpf.price_set_id = %1 AND cpfv.label = (SELECT label from civicrm_price_field_value WHERE id = %2)";
1034       $params[2] = [$discountedPriceFieldOptionID, 'Integer'];
1035     }
1036     else {
1037       $feeLevel = current($feeLevel);
1038       $query = "SELECT cpfv.amount FROM `civicrm_price_field_value` cpfv
1039 LEFT JOIN civicrm_price_field cpf ON cpfv.price_field_id = cpf.id
1040 WHERE cpf.price_set_id = %1 AND cpfv.label LIKE %2";
1041       $params[2] = [$feeLevel, 'String'];
1042     }
1043     return CRM_Core_DAO::singleValueQuery($query, $params);
1044   }
1045
1046   /**
1047    * Retrieve additional participants display-names and URL to view their participant records.
1048    * (excludes cancelled participants automatically)
1049    *
1050    * @param int $primaryParticipantID
1051    *   Id of primary participant record.
1052    *
1053    * @return array
1054    *   $displayName => $viewUrl
1055    */
1056   public static function getAdditionalParticipants($primaryParticipantID) {
1057     $additionalParticipantIDs = [];
1058     $additionalParticipantIDs = self::getAdditionalParticipantIds($primaryParticipantID);
1059     if (!empty($additionalParticipantIDs)) {
1060       foreach ($additionalParticipantIDs as $additionalParticipantID) {
1061         $additionalContactID = CRM_Core_DAO::getFieldValue('CRM_Event_DAO_Participant',
1062           $additionalParticipantID,
1063           'contact_id', 'id'
1064         );
1065         $additionalContactName = CRM_Contact_BAO_Contact::displayName($additionalContactID);
1066         $pViewURL = CRM_Utils_System::url('civicrm/contact/view/participant',
1067           "action=view&reset=1&id={$additionalParticipantID}&cid={$additionalContactID}"
1068         );
1069
1070         $additionalParticipants[$additionalContactName] = $pViewURL;
1071       }
1072     }
1073     return $additionalParticipants;
1074   }
1075
1076   /**
1077    * Function for update primary and additional participant status.
1078    *
1079    * @param int $participantID
1080    *   Primary participant's id.
1081    * @param int $oldStatusID
1082    * @param int $newStatusID
1083    * @param bool $updatePrimaryStatus
1084    *
1085    * @return bool|NULL
1086    */
1087   public static function updateParticipantStatus($participantID, $oldStatusID, $newStatusID = NULL, $updatePrimaryStatus = FALSE) {
1088     if (!$participantID || !$oldStatusID) {
1089       return NULL;
1090     }
1091
1092     if (!$newStatusID) {
1093       $newStatusID = CRM_Core_DAO::getFieldValue('CRM_Event_DAO_Participant', $participantID, 'status_id');
1094     }
1095     elseif ($updatePrimaryStatus) {
1096       CRM_Core_DAO::setFieldValue('CRM_Event_DAO_Participant', $participantID, 'status_id', $newStatusID);
1097     }
1098
1099     $cascadeAdditionalIds = self::getValidAdditionalIds($participantID, $oldStatusID, $newStatusID);
1100
1101     if (!empty($cascadeAdditionalIds)) {
1102       try {
1103         foreach ($cascadeAdditionalIds as $id) {
1104           $participantParams = [
1105             'id' => $id,
1106             'status_id' => $newStatusID,
1107           ];
1108           civicrm_api3('Participant', 'create', $participantParams);
1109         }
1110         return TRUE;
1111       }
1112       catch (CiviCRM_API3_Exception $e) {
1113         throw new CRM_Core_Exception('Failed to update additional participant status in database');
1114       }
1115     }
1116     return FALSE;
1117   }
1118
1119   /**
1120    * Function for update status for given participant ids.
1121    *
1122    * @param int $participantIds
1123    *   Array of participant ids.
1124    * @param int $statusId
1125    *   Status id for participant.
1126    * @param bool $updateRegisterDate
1127    */
1128   public static function updateStatus($participantIds, $statusId, $updateRegisterDate = FALSE) {
1129     if (!is_array($participantIds) || empty($participantIds) || !$statusId) {
1130       return;
1131     }
1132
1133     //lets update register date as we update status to keep track
1134     //when we did update status, useful for moving participant
1135     //from pending to expired.
1136     $setClause = "status_id = {$statusId}";
1137     if ($updateRegisterDate) {
1138       $setClause .= ", register_date = NOW()";
1139     }
1140
1141     $participantIdClause = '( ' . implode(',', $participantIds) . ' )';
1142
1143     $query = "
1144 UPDATE  civicrm_participant
1145    SET  {$setClause}
1146  WHERE  id IN {$participantIdClause}";
1147
1148     $dao = CRM_Core_DAO::executeQuery($query);
1149   }
1150
1151   /**
1152    * Function takes participant ids and statuses
1153    * update status from $fromStatusId to $toStatusId
1154    * and send mail + create activities.
1155    *
1156    * @param array $participantIds
1157    *   Participant ids.
1158    * @param int $toStatusId
1159    *   Update status id.
1160    * @param int $fromStatusId
1161    *   From status id.
1162    * @param bool $returnResult
1163    * @param bool $skipCascadeRule
1164    *
1165    * @return array|NULL
1166    */
1167   public static function transitionParticipants(
1168     $participantIds, $toStatusId,
1169     $fromStatusId = NULL, $returnResult = FALSE, $skipCascadeRule = FALSE
1170   ) {
1171     if (!is_array($participantIds) || empty($participantIds) || !$toStatusId) {
1172       return NULL;
1173     }
1174
1175     //thumb rule is if we triggering  primary participant need to triggered additional
1176     $allParticipantIds = $primaryANDAdditonalIds = [];
1177     foreach ($participantIds as $id) {
1178       $allParticipantIds[] = $id;
1179       if (self::isPrimaryParticipant($id)) {
1180         //filter additional as per status transition rules, CRM-5403
1181         if ($skipCascadeRule) {
1182           $additionalIds = self::getAdditionalParticipantIds($id);
1183         }
1184         else {
1185           $additionalIds = self::getValidAdditionalIds($id, $fromStatusId, $toStatusId);
1186         }
1187         if (!empty($additionalIds)) {
1188           $allParticipantIds = array_merge($allParticipantIds, $additionalIds);
1189           $primaryANDAdditonalIds[$id] = $additionalIds;
1190         }
1191       }
1192     }
1193
1194     //get the unique participant ids,
1195     $allParticipantIds = array_unique($allParticipantIds);
1196
1197     //pull required participants, contacts, events  data, if not in hand
1198     static $eventDetails = [];
1199     static $domainValues = [];
1200     static $contactDetails = [];
1201
1202     $contactIds = $eventIds = $participantDetails = [];
1203
1204     $statusTypes = CRM_Event_PseudoConstant::participantStatus();
1205     $participantRoles = CRM_Event_PseudoConstant::participantRole();
1206     $pendingStatuses = CRM_Event_PseudoConstant::participantStatus(NULL,
1207       "class = 'Pending'"
1208     );
1209
1210     //first thing is pull all necessory data from db.
1211     $participantIdClause = '(' . implode(',', $allParticipantIds) . ')';
1212
1213     //get all participants data.
1214     $query = "SELECT * FROM civicrm_participant WHERE id IN {$participantIdClause}";
1215     $dao = CRM_Core_DAO::executeQuery($query);
1216     while ($dao->fetch()) {
1217       $participantDetails[$dao->id] = [
1218         'id' => $dao->id,
1219         'role' => $participantRoles[$dao->role_id],
1220         'is_test' => $dao->is_test,
1221         'event_id' => $dao->event_id,
1222         'status_id' => $dao->status_id,
1223         'fee_amount' => $dao->fee_amount,
1224         'contact_id' => $dao->contact_id,
1225         'register_date' => $dao->register_date,
1226         'registered_by_id' => $dao->registered_by_id,
1227       ];
1228       if (!array_key_exists($dao->contact_id, $contactDetails)) {
1229         $contactIds[$dao->contact_id] = $dao->contact_id;
1230       }
1231
1232       if (!array_key_exists($dao->event_id, $eventDetails)) {
1233         $eventIds[$dao->event_id] = $dao->event_id;
1234       }
1235     }
1236
1237     //get the domain values.
1238     if (empty($domainValues)) {
1239       // making all tokens available to templates.
1240       $domain = CRM_Core_BAO_Domain::getDomain();
1241       $tokens = [
1242         'domain' => ['name', 'phone', 'address', 'email'],
1243         'contact' => CRM_Core_SelectValues::contactTokens(),
1244       ];
1245
1246       foreach ($tokens['domain'] as $token) {
1247         $domainValues[$token] = CRM_Utils_Token::getDomainTokenReplacement($token, $domain);
1248       }
1249     }
1250
1251     //get all required contacts detail.
1252     if (!empty($contactIds)) {
1253       // get the contact details.
1254       list($currentContactDetails) = CRM_Utils_Token::getTokenDetails($contactIds, NULL,
1255         FALSE, FALSE, NULL,
1256         [],
1257         'CRM_Event_BAO_Participant'
1258       );
1259       foreach ($currentContactDetails as $contactId => $contactValues) {
1260         $contactDetails[$contactId] = $contactValues;
1261       }
1262     }
1263
1264     //get all required events detail.
1265     if (!empty($eventIds)) {
1266       foreach ($eventIds as $eventId) {
1267         //retrieve event information
1268         $eventParams = ['id' => $eventId];
1269         CRM_Event_BAO_Event::retrieve($eventParams, $eventDetails[$eventId]);
1270
1271         //get default participant role.
1272         $eventDetails[$eventId]['participant_role'] = CRM_Utils_Array::value($eventDetails[$eventId]['default_role_id'], $participantRoles);
1273
1274         //get the location info
1275         $locParams = ['entity_id' => $eventId, 'entity_table' => 'civicrm_event'];
1276         $eventDetails[$eventId]['location'] = CRM_Core_BAO_Location::getValues($locParams, TRUE);
1277       }
1278     }
1279
1280     //now we are ready w/ all required data.
1281     //take a decision as per statuses.
1282
1283     $emailType = NULL;
1284     $toStatus = $statusTypes[$toStatusId];
1285     $fromStatus = CRM_Utils_Array::value($fromStatusId, $statusTypes);
1286
1287     switch ($toStatus) {
1288       case 'Pending from waitlist':
1289       case 'Pending from approval':
1290         switch ($fromStatus) {
1291           case 'On waitlist':
1292           case 'Awaiting approval':
1293             $emailType = 'Confirm';
1294             break;
1295         }
1296         break;
1297
1298       case 'Expired':
1299         //no matter from where u come send expired mail.
1300         $emailType = $toStatus;
1301         break;
1302
1303       case 'Cancelled':
1304         //no matter from where u come send cancel mail.
1305         $emailType = $toStatus;
1306         break;
1307     }
1308
1309     //as we process additional w/ primary, there might be case if user
1310     //select primary as well as additionals, so avoid double processing.
1311     $processedParticipantIds = [];
1312     $mailedParticipants = [];
1313
1314     //send mails and update status.
1315     foreach ($participantDetails as $participantId => $participantValues) {
1316       $updateParticipantIds = [];
1317       if (in_array($participantId, $processedParticipantIds)) {
1318         continue;
1319       }
1320
1321       //check is it primary and has additional.
1322       if (array_key_exists($participantId, $primaryANDAdditonalIds)) {
1323         foreach ($primaryANDAdditonalIds[$participantId] as $additionalId) {
1324
1325           if ($emailType) {
1326             $mail = self::sendTransitionParticipantMail($additionalId,
1327               $participantDetails[$additionalId],
1328               $eventDetails[$participantDetails[$additionalId]['event_id']],
1329               $contactDetails[$participantDetails[$additionalId]['contact_id']],
1330               $domainValues,
1331               $emailType
1332             );
1333
1334             //get the mail participant ids
1335             if ($mail) {
1336               $mailedParticipants[$additionalId] = $contactDetails[$participantDetails[$additionalId]['contact_id']]['display_name'];
1337             }
1338           }
1339           $updateParticipantIds[] = $additionalId;
1340           $processedParticipantIds[] = $additionalId;
1341         }
1342       }
1343
1344       //now send email appropriate mail to primary.
1345       if ($emailType) {
1346         $mail = self::sendTransitionParticipantMail($participantId,
1347           $participantValues,
1348           $eventDetails[$participantValues['event_id']],
1349           $contactDetails[$participantValues['contact_id']],
1350           $domainValues,
1351           $emailType
1352         );
1353
1354         //get the mail participant ids
1355         if ($mail) {
1356           $mailedParticipants[$participantId] = $contactDetails[$participantValues['contact_id']]['display_name'];
1357         }
1358       }
1359
1360       //now update status of group/one at once.
1361       $updateParticipantIds[] = $participantId;
1362
1363       //update the register date only when we,
1364       //move participant to pending class, CRM-6496
1365       $updateRegisterDate = FALSE;
1366       if (array_key_exists($toStatusId, $pendingStatuses)) {
1367         $updateRegisterDate = TRUE;
1368       }
1369       self::updateStatus($updateParticipantIds, $toStatusId, $updateRegisterDate);
1370       $processedParticipantIds[] = $participantId;
1371     }
1372
1373     //return result for cron.
1374     if ($returnResult) {
1375       $results = [
1376         'mailedParticipants' => $mailedParticipants,
1377         'updatedParticipantIds' => $processedParticipantIds,
1378       ];
1379
1380       return $results;
1381     }
1382   }
1383
1384   /**
1385    * Send mail and create activity
1386    * when participant status changed.
1387    *
1388    * @param int $participantId
1389    *   Participant id.
1390    * @param array $participantValues
1391    *   Participant detail values. status id for participants.
1392    * @param array $eventDetails
1393    *   Required event details.
1394    * @param array $contactDetails
1395    *   Required contact details.
1396    * @param array $domainValues
1397    *   Required domain values.
1398    * @param string $mailType
1399    *   (eg 'approval', 'confirm', 'expired' ).
1400    *
1401    * @return bool
1402    */
1403   public static function sendTransitionParticipantMail(
1404     $participantId,
1405     $participantValues,
1406     $eventDetails,
1407     $contactDetails,
1408     &$domainValues,
1409     $mailType
1410   ) {
1411     //send emails.
1412     $mailSent = FALSE;
1413
1414     //don't send confirmation mail to additional
1415     //since only primary able to confirm registration.
1416     if (!empty($participantValues['registered_by_id']) &&
1417       $mailType == 'Confirm'
1418     ) {
1419       return $mailSent;
1420     }
1421     $toEmail = CRM_Utils_Array::value('email', $contactDetails);
1422     if ($toEmail) {
1423
1424       $contactId = $participantValues['contact_id'];
1425       $participantName = $contactDetails['display_name'];
1426
1427       //calculate the checksum value.
1428       $checksumValue = NULL;
1429       if ($mailType == 'Confirm' && !$participantValues['registered_by_id']) {
1430         $checksumLife = 'inf';
1431         $endDate = CRM_Utils_Array::value('end_date', $eventDetails);
1432         if ($endDate) {
1433           $checksumLife = (CRM_Utils_Date::unixTime($endDate) - time()) / (60 * 60);
1434         }
1435         $checksumValue = CRM_Contact_BAO_Contact_Utils::generateChecksum($contactId, NULL, $checksumLife);
1436       }
1437
1438       //take a receipt from as event else domain.
1439       $receiptFrom = $domainValues['name'] . ' <' . $domainValues['email'] . '>';
1440       if (!empty($eventDetails['confirm_from_name']) && !empty($eventDetails['confirm_from_email'])) {
1441         $receiptFrom = $eventDetails['confirm_from_name'] . ' <' . $eventDetails['confirm_from_email'] . '>';
1442       }
1443
1444       list($mailSent, $subject, $message, $html) = CRM_Core_BAO_MessageTemplate::sendTemplate(
1445         [
1446           'groupName' => 'msg_tpl_workflow_event',
1447           'valueName' => 'participant_' . strtolower($mailType),
1448           'contactId' => $contactId,
1449           'tplParams' => [
1450             'contact' => $contactDetails,
1451             'domain' => $domainValues,
1452             'participant' => $participantValues,
1453             'event' => $eventDetails,
1454             'paidEvent' => CRM_Utils_Array::value('is_monetary', $eventDetails),
1455             'isShowLocation' => CRM_Utils_Array::value('is_show_location', $eventDetails),
1456             'isAdditional' => $participantValues['registered_by_id'],
1457             'isExpired' => $mailType == 'Expired',
1458             'isConfirm' => $mailType == 'Confirm',
1459             'checksumValue' => $checksumValue,
1460           ],
1461           'from' => $receiptFrom,
1462           'toName' => $participantName,
1463           'toEmail' => $toEmail,
1464           'cc' => CRM_Utils_Array::value('cc_confirm', $eventDetails),
1465           'bcc' => CRM_Utils_Array::value('bcc_confirm', $eventDetails),
1466         ]
1467       );
1468
1469       // 3. create activity record.
1470       if ($mailSent) {
1471         $now = date('YmdHis');
1472         $activityType = 'Event Registration';
1473         $activityParams = [
1474           'subject' => $subject,
1475           'source_contact_id' => $contactId,
1476           'source_record_id' => $participantId,
1477           'activity_type_id' => CRM_Core_PseudoConstant::getKey('CRM_Activity_BAO_Activity', 'activity_type_id', $activityType),
1478           'activity_date_time' => CRM_Utils_Date::isoToMysql($now),
1479           'due_date_time' => CRM_Utils_Date::isoToMysql($participantValues['register_date']),
1480           'is_test' => $participantValues['is_test'],
1481           'status_id' => 2,
1482         ];
1483
1484         if (is_a(CRM_Activity_BAO_Activity::create($activityParams), 'CRM_Core_Error')) {
1485           CRM_Core_Error::fatal('Failed creating Activity for expiration mail');
1486         }
1487       }
1488     }
1489
1490     return $mailSent;
1491   }
1492
1493   /**
1494    * Get participant status change message.
1495    *
1496    * @param int $participantId
1497    * @param $statusChangeTo
1498    * @param int $fromStatusId
1499    *
1500    * @return string
1501    */
1502   public function updateStatusMessage($participantId, $statusChangeTo, $fromStatusId) {
1503     $statusMsg = NULL;
1504     $results = self::transitionParticipants([$participantId],
1505       $statusChangeTo, $fromStatusId, TRUE
1506     );
1507
1508     $allStatuses = CRM_Event_PseudoConstant::participantStatus();
1509     //give user message only when mail has sent.
1510     if (is_array($results) && !empty($results)) {
1511       if (is_array($results['updatedParticipantIds']) && !empty($results['updatedParticipantIds'])) {
1512         foreach ($results['updatedParticipantIds'] as $processedId) {
1513           if (is_array($results['mailedParticipants']) &&
1514             array_key_exists($processedId, $results['mailedParticipants'])
1515           ) {
1516             $statusMsg .= '<br /> ' . ts("Participant status has been updated to '%1'. An email has been sent to %2.",
1517                 [
1518                   1 => $allStatuses[$statusChangeTo],
1519                   2 => $results['mailedParticipants'][$processedId],
1520                 ]
1521               );
1522           }
1523         }
1524       }
1525     }
1526
1527     return $statusMsg;
1528   }
1529
1530   /**
1531    * Get event full and waiting list message.
1532    *
1533    * @param int $eventId
1534    * @param int $participantId
1535    *
1536    * @return string
1537    */
1538   public static function eventFullMessage($eventId, $participantId = NULL) {
1539     $eventfullMsg = $dbStatusId = NULL;
1540     $checkEventFull = TRUE;
1541     if ($participantId) {
1542       $dbStatusId = CRM_Core_DAO::getFieldValue('CRM_Event_DAO_Participant', $participantId, 'status_id');
1543       if (array_key_exists($dbStatusId, CRM_Event_PseudoConstant::participantStatus(NULL, 'is_counted = 1'))) {
1544         //participant already in counted status no need to check for event full messages.
1545         $checkEventFull = FALSE;
1546       }
1547     }
1548
1549     //early return.
1550     if (!$eventId || !$checkEventFull) {
1551       return $eventfullMsg;
1552     }
1553
1554     //event is truly full.
1555     $emptySeats = self::eventFull($eventId, FALSE, FALSE);
1556     if (is_string($emptySeats) && $emptySeats !== NULL) {
1557       $maxParticipants = CRM_Core_DAO::getFieldValue('CRM_Event_DAO_Event', $eventId, 'max_participants');
1558       $eventfullMsg = ts("This event currently has the maximum number of participants registered (%1). However, you can still override this limit and register additional participants using this form.", [
1559         1 => $maxParticipants,
1560       ]) . '<br />';
1561     }
1562
1563     $hasWaiting = FALSE;
1564     $waitListedCount = self::eventFull($eventId, FALSE, TRUE, TRUE);
1565     if (is_numeric($waitListedCount)) {
1566       $hasWaiting = TRUE;
1567       //only current processing participant is on waitlist.
1568       if ($waitListedCount == 1 && CRM_Event_PseudoConstant::participantStatus($dbStatusId) == 'On waitlist') {
1569         $hasWaiting = FALSE;
1570       }
1571     }
1572
1573     if ($hasWaiting) {
1574       $waitingStatusId = array_search('On waitlist',
1575         CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Waiting'")
1576       );
1577       $viewWaitListUrl = CRM_Utils_System::url('civicrm/event/search',
1578         "reset=1&force=1&event={$eventId}&status={$waitingStatusId}"
1579       );
1580
1581       $eventfullMsg .= ts("There are %2 people currently on the waiting list for this event. You can <a href='%1'>view waitlisted registrations here</a>, or you can continue and register additional participants using this form.",
1582         [
1583           1 => $viewWaitListUrl,
1584           2 => $waitListedCount,
1585         ]
1586       );
1587     }
1588
1589     return $eventfullMsg;
1590   }
1591
1592   /**
1593    * Check for whether participant is primary or not.
1594    *
1595    * @param int $participantId
1596    *
1597    * @return bool
1598    *   true if participant is primary
1599    */
1600   public static function isPrimaryParticipant($participantId) {
1601
1602     $participant = new CRM_Event_DAO_Participant();
1603     $participant->registered_by_id = $participantId;
1604
1605     if ($participant->find(TRUE)) {
1606       return TRUE;
1607     }
1608     return FALSE;
1609   }
1610
1611   /**
1612    * Get additional participant Ids for cascading with primary participant status.
1613    *
1614    * @param int $participantId
1615    *   Participant id.
1616    * @param int $oldStatusId
1617    *   Previous status.
1618    * @param int $newStatusId
1619    *   New status.
1620    *
1621    * @return bool
1622    *   true if allowed
1623    */
1624   public static function getValidAdditionalIds($participantId, $oldStatusId, $newStatusId) {
1625
1626     $additionalParticipantIds = [];
1627
1628     static $participantStatuses = [];
1629
1630     if (empty($participantStatuses)) {
1631       $participantStatuses = CRM_Event_PseudoConstant::participantStatus();
1632     }
1633
1634     if (CRM_Utils_Array::value($participantStatuses[$oldStatusId], self::$_statusTransitionsRules) &&
1635       in_array($participantStatuses[$newStatusId], self::$_statusTransitionsRules[$participantStatuses[$oldStatusId]])
1636     ) {
1637       $additionalParticipantIds = self::getAdditionalParticipantIds($participantId, TRUE, $oldStatusId);
1638     }
1639
1640     return $additionalParticipantIds;
1641   }
1642
1643   /**
1644    * Get participant record count for a Contact.
1645    *
1646    * @param int $contactID
1647    *
1648    * @return int
1649    *   count of participant records
1650    */
1651   public static function getContactParticipantCount($contactID) {
1652     $query = "SELECT count(*)
1653 FROM     civicrm_participant
1654 WHERE    civicrm_participant.contact_id = {$contactID} AND
1655          civicrm_participant.is_test = 0";
1656     return CRM_Core_DAO::singleValueQuery($query);
1657   }
1658
1659   /**
1660    * Get participant ids by contribution id.
1661    *
1662    * @param int $contributionId
1663    *   Contribution Id.
1664    * @param bool $excludeCancelled
1665    *   Exclude cancelled additional participant.
1666    *
1667    * @return array
1668    */
1669   public static function getParticipantIds($contributionId, $excludeCancelled = FALSE) {
1670
1671     $ids = [];
1672     if (!$contributionId) {
1673       return $ids;
1674     }
1675
1676     // get primary participant id
1677     $query = "SELECT participant_id
1678       FROM civicrm_participant cp
1679       LEFT JOIN civicrm_participant_payment cpp ON cp.id = cpp.participant_id
1680       WHERE cpp.contribution_id = {$contributionId}
1681       AND cp.registered_by_id IS NULL";
1682     $participantPayment = CRM_Core_DAO::executeQuery($query);
1683
1684     // get additional participant ids (including cancelled)
1685     while ($participantPayment->fetch()) {
1686       $ids = array_merge($ids, array_merge([
1687         $participantPayment->participant_id,
1688       ], self::getAdditionalParticipantIds($participantPayment->participant_id,
1689         $excludeCancelled
1690       )));
1691     }
1692
1693     return $ids;
1694   }
1695
1696   /**
1697    * Get additional Participant edit & view url .
1698    *
1699    * @param array $participantIds
1700    *   An array of additional participant ids.
1701    *
1702    * @return array
1703    *   Array of Urls.
1704    */
1705   public static function getAdditionalParticipantUrl($participantIds) {
1706     foreach ($participantIds as $value) {
1707       $links = [];
1708       $details = self::participantDetails($value);
1709       $viewUrl = CRM_Utils_System::url('civicrm/contact/view/participant',
1710         "action=view&reset=1&id={$value}&cid={$details['cid']}"
1711       );
1712       $editUrl = CRM_Utils_System::url('civicrm/contact/view/participant',
1713         "action=update&reset=1&id={$value}&cid={$details['cid']}"
1714       );
1715       $links[] = "<td><a href='{$viewUrl}'>" . $details['name'] . "</a></td><td></td><td><a href='{$editUrl}'>" . ts('Edit') . "</a></td>";
1716       $links = "<table><tr>" . implode("</tr><tr>", $links) . "</tr></table>";
1717       return $links;
1718     }
1719   }
1720
1721   /**
1722    * create trxn entry if an event has discount.
1723    *
1724    * @param int $eventID
1725    *   Event id.
1726    * @param array $contributionParams
1727    *   Contribution params.
1728    *
1729    * @param string $feeLevel (deprecated)
1730    * @param int $discountedPriceFieldOptionID
1731    *   ID of the civicrm_price_field_value field for the discount id.
1732    */
1733   public static function createDiscountTrxn($eventID, $contributionParams, $feeLevel, $discountedPriceFieldOptionID = NULL) {
1734     $financialTypeID = $contributionParams['contribution']->financial_type_id;
1735     $total_amount = $contributionParams['total_amount'];
1736
1737     $checkDiscount = CRM_Core_BAO_Discount::findSet($eventID, 'civicrm_event');
1738     if (!empty($checkDiscount)) {
1739       $mainAmount = self::getUnDiscountedAmountForEventPriceSetFieldValue($eventID, $discountedPriceFieldOptionID, $feeLevel);
1740       $transactionParams['from_financial_account_id'] = CRM_Contribute_PseudoConstant::getRelationalFinancialAccount(
1741         $financialTypeID, 'Discounts Account is');
1742       if (!empty($transactionParams['trxnParams']['from_financial_account_id'])) {
1743         $transactionParams['trxnParams']['total_amount'] = $mainAmount - $total_amount;
1744         $transactionParams['trxnParams']['payment_processor_id'] = NULL;
1745         $transactionParams['trxnParams']['payment_instrument_id'] = NULL;
1746         $transactionParams['trxnParams']['check_number'] = NULL;
1747         $transactionParams['trxnParams']['trxn_id'] = NULL;
1748         $transactionParams['trxnParams']['net_amount'] = NULL;
1749         $transactionParams['trxnParams']['fee_amount'] = NULL;
1750         CRM_Core_BAO_FinancialTrxn::create($transactionParams);
1751       }
1752     }
1753   }
1754
1755   /**
1756    * Delete participants of contact.
1757    *
1758    * CRM-12155
1759    *
1760    * @param int $contactId
1761    *   Contact id.
1762    *
1763    */
1764   public static function deleteContactParticipant($contactId) {
1765     $participant = new CRM_Event_DAO_Participant();
1766     $participant->contact_id = $contactId;
1767     $participant->find();
1768     while ($participant->fetch()) {
1769       self::deleteParticipant($participant->id);
1770     }
1771   }
1772
1773   /**
1774    * @param int $participantId
1775    * @param $activityType
1776    *
1777    * @throws CRM_Core_Exception
1778    */
1779   public static function addActivityForSelection($participantId, $activityType) {
1780     $eventId = CRM_Core_DAO::getFieldValue('CRM_Event_BAO_Participant', $participantId, 'event_id');
1781     $contactId = CRM_Core_DAO::getFieldValue('CRM_Event_BAO_Participant', $participantId, 'contact_id');
1782
1783     $date = CRM_Utils_Date::currentDBDate();
1784     $event = CRM_Event_BAO_Event::getEvents(0, $eventId);
1785     $subject = sprintf("Registration selections changed for %s", CRM_Utils_Array::value($eventId, $event));
1786
1787     // activity params
1788     $activityParams = [
1789       'source_contact_id' => $contactId,
1790       'source_record_id' => $participantId,
1791       'activity_type_id' => CRM_Core_PseudoConstant::getKey('CRM_Activity_BAO_Activity', 'activity_type_id', $activityType),
1792       'subject' => $subject,
1793       'activity_date_time' => $date,
1794       'status_id' => CRM_Core_PseudoConstant::getKey('CRM_Activity_BAO_Activity', 'activity_status_id', 'Completed'),
1795       'skipRecentView' => TRUE,
1796     ];
1797
1798     // create activity with target contacts
1799     $id = CRM_Core_Session::singleton()->getLoggedInContactID();
1800     if ($id) {
1801       $activityParams['source_contact_id'] = $id;
1802       $activityParams['target_contact_id'][] = $contactId;
1803     }
1804     // @todo use api & also look at duplication of similar methods.
1805     CRM_Activity_BAO_Activity::create($activityParams);
1806   }
1807
1808   /**
1809    * Get options for a given field.
1810    * @see CRM_Core_DAO::buildOptions
1811    *
1812    * @param string $fieldName
1813    * @param string $context
1814    * @see CRM_Core_DAO::buildOptionsContext
1815    * @param array $props
1816    *   whatever is known about this dao object.
1817    *
1818    * @return array|bool
1819    */
1820   public static function buildOptions($fieldName, $context = NULL, $props = []) {
1821     $params = ['condition' => []];
1822
1823     if ($fieldName == 'status_id' && $context != 'validate') {
1824       // Get rid of cart-related option if disabled
1825       // FIXME: Why does this option even exist if cart is disabled?
1826       if (!Civi::settings()->get('enable_cart')) {
1827         $params['condition'][] = "name <> 'Pending in cart'";
1828       }
1829     }
1830
1831     return CRM_Core_PseudoConstant::get(__CLASS__, $fieldName, $params, $context);
1832   }
1833
1834   /**
1835    * CRM-17797 -- Format fields and setDefaults for primary and additional participants profile
1836    * @param int $contactId
1837    * @param CRM_Core_Form $form
1838    */
1839   public static function formatFieldsAndSetProfileDefaults($contactId, &$form) {
1840     if (!$contactId) {
1841       return;
1842     }
1843     $fields = [];
1844     if (!empty($form->_fields)) {
1845       $removeCustomFieldTypes = ['Participant'];
1846
1847       foreach ($form->_fields as $name => $dontCare) {
1848         if ((substr($name, 0, 7) == 'custom_' && !$form->_allowConfirmation
1849           && !CRM_Core_BAO_CustomGroup::checkCustomField(substr($name, 7), $removeCustomFieldTypes))
1850           || substr($name, 0, 12) == 'participant_') {
1851           continue;
1852         }
1853         $fields[$name] = 1;
1854       }
1855
1856       if (!empty($fields)) {
1857         CRM_Core_BAO_UFGroup::setProfileDefaults($contactId, $fields, $form->_defaults);
1858       }
1859     }
1860   }
1861
1862 }