CRM/Contact/BAO/Relationship.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 4.4                                                |
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   6  | Copyright CiviCRM LLC (c) 2004-2013                                |
   7  +--------------------------------------------------------------------+
   8  | This file is a part of CiviCRM.                                    |
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  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  |                                                                    |
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  22  | at info[AT]civicrm[DOT]org. If you have questions about the        |
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  26 */
  27
  28 /**
  29  *
  30  * @package CRM
  31  * @copyright CiviCRM LLC (c) 2004-2013
  32  * $Id$
  33  *
  34  */
  35 class CRM_Contact_BAO_Relationship extends CRM_Contact_DAO_Relationship {
  36
  37   /**
  38    * various constants to indicate different type of relationships
  39    *
  40    * @var int
  41    */
  42   CONST PAST = 1, DISABLED = 2, CURRENT = 4, INACTIVE = 8;
  43
  44   /**
  45    * takes an associative array and creates a relationship object
  46    *
  47    *
  48    * @param array $params (reference ) an assoc array of name/value pairs
  49    * @param array $ids    the array that holds all the db ids
  50    * per http://wiki.civicrm.org/confluence/display/CRM/Database+layer
  51    *  "we are moving away from the $ids param "
  52    *
  53    * @return object CRM_Contact_BAO_Relationship object
  54    * @access public
  55    * @static
  56    */
  57   static function create(&$params, $ids = array()) {
  58     $valid = $invalid = $duplicate = $saved = 0;
  59     $relationships = array();
  60     $relationshipId = CRM_Utils_Array::value('relationship', $ids, CRM_Utils_Array::value('id', $params));
  61     //CRM-9015 - the hooks are called here & in add (since add doesn't call create)
  62     // but in future should be tidied per ticket
  63     if(empty($relationshipId)){
  64       $hook = 'create';
  65       $action = CRM_Core_Action::ADD;
  66     }
  67     else{
  68       $hook = 'edit';
  69       $action = CRM_Core_Action::UPDATE;
  70     }
  71
  72     CRM_Utils_Hook::pre($hook, 'Relationship', $relationshipId, $params);
  73
  74     if (!$relationshipId) {
  75       // creating a new relationship
  76       $dataExists = self::dataExists($params);
  77       if (!$dataExists) {
  78         return array(FALSE, TRUE, FALSE, FALSE, NULL);
  79       }
  80       $relationshipIds = array();
  81       foreach ($params['contact_check'] as $key => $value) {
  82         $errors = '';
  83         // check if the relationship is valid between contacts.
  84         // step 1: check if the relationship is valid if not valid skip and keep the count
  85         // step 2: check the if two contacts already have a relationship if yes skip and keep the count
  86         // step 3: if valid relationship then add the relation and keep the count
  87
  88         // step 1
  89         $errors = self::checkValidRelationship($params, $ids, $key);
  90         if ($errors) {
  91           $invalid++;
  92           continue;
  93         }
  94
  95         if (
  96           self::checkDuplicateRelationship(
  97             $params,
  98             CRM_Utils_Array::value('contact', $ids),
  99             // step 2
 100             $key
 101           )
 102         ) {
 103           $duplicate++;
 104           continue;
 105         }
 106
 107         $relationship = self::add($params, $ids, $key);
 108         $relationshipIds[] = $relationship->id;
 109         $relationships[$relationship->id] = $relationship;
 110         $valid++;
 111       }
 112       // editing the relationship
 113     }
 114     else {
 115       // check for duplicate relationship
 116       // @todo this code doesn't cope well with updates - causes e-Notices.
 117       // API has a lot of code to work around
 118       // this but should review this code & remove the extra handling from the api
 119       // it seems doubtful any of this is relevant if the contact fields & relationship
 120       // type fields are not set
 121       if (
 122         self::checkDuplicateRelationship(
 123           $params,
 124           CRM_Utils_Array::value('contact', $ids),
 125           $ids['contactTarget'],
 126           $relationshipId
 127         )
 128       ) {
 129         $duplicate++;
 130         return array($valid, $invalid, $duplicate, $saved, NULL);
 131       }
 132
 133       $validContacts = TRUE;
 134       //validate contacts in update mode also.
 135       if (!empty($ids['contact']) && !empty($ids['contactTarget'])) {
 136         if (self::checkValidRelationship($params, $ids, $ids['contactTarget'])) {
 137           $validContacts = FALSE;
 138           $invalid++;
 139         }
 140       }
 141       if ($validContacts) {
 142         // editing an existing relationship
 143         $relationship = self::add($params, $ids, $ids['contactTarget']);
 144         $relationshipIds[] = $relationship->id;
 145         $relationships[$relationship->id] = $relationship;
 146         $saved++;
 147       }
 148     }
 149
 150     // do not add to recent items for import, CRM-4399
 151     if (!(!empty($params['skipRecentView']) || $invalid || $duplicate)) {
 152       $url = CRM_Utils_System::url('civicrm/contact/view/rel',
 153         "action=view&reset=1&id={$relationship->id}&cid={$relationship->contact_id_a}&context=home"
 154       );
 155
 156
 157       $session = CRM_Core_Session::singleton();
 158       $recentOther = array();
 159       if (($session->get('userID') == $relationship->contact_id_a) ||
 160         CRM_Contact_BAO_Contact_Permission::allow($relationship->contact_id_a, CRM_Core_Permission::EDIT)
 161       ) {
 162         $rType = substr(CRM_Utils_Array::value('relationship_type_id', $params), -3);
 163         $recentOther = array(
 164           'editUrl' => CRM_Utils_System::url('civicrm/contact/view/rel',
 165             "action=update&reset=1&id={$relationship->id}&cid={$relationship->contact_id_a}&rtype={$rType}&context=home"
 166           ),
 167           'deleteUrl' => CRM_Utils_System::url('civicrm/contact/view/rel',
 168             "action=delete&reset=1&id={$relationship->id}&cid={$relationship->contact_id_a}&rtype={$rType}&context=home"
 169           ),
 170         );
 171       }
 172
 173       $title = CRM_Contact_BAO_Contact::displayName($relationship->contact_id_a) . ' (' . CRM_Core_DAO::getFieldValue('CRM_Contact_DAO_RelationshipType',
 174         $relationship->relationship_type_id, 'label_a_b'
 175       ) . ' ' . CRM_Contact_BAO_Contact::displayName($relationship->contact_id_b) . ')';
 176       // add the recently created Relationship
 177       CRM_Utils_Recent::add($title,
 178         $url,
 179         $relationship->id,
 180         'Relationship',
 181         $relationship->contact_id_a,
 182         NULL,
 183         $recentOther
 184       );
 185     }
 186
 187     return array($valid, $invalid, $duplicate, $saved, $relationshipIds, $relationships);
 188   }
 189
 190   /**
 191    * This is the function that check/add if the relationship created is valid
 192    *
 193    * @param array  $params      (reference ) an assoc array of name/value pairs
 194    * @param integer $contactId  this is contact id for adding relationship
 195    * @param array $ids          the array that holds all the db ids
 196    *
 197    * @return object CRM_Contact_BAO_Relationship
 198    * @access public
 199    * @static
 200    */
 201   static function add(&$params, $ids = array(), $contactId = NULL) {
 202     $relationshipId =
 203       CRM_Utils_Array::value('relationship', $ids, CRM_Utils_Array::value('id', $params));
 204
 205     $hook = 'create';
 206     if($relationshipId) {
 207       $hook = 'edit';
 208     }
 209     //@todo hook are called from create and add - remove one
 210     CRM_Utils_Hook::pre($hook , 'Relationship', $relationshipId, $params);
 211
 212     $relationshipTypes = CRM_Utils_Array::value('relationship_type_id', $params);
 213
 214     // explode the string with _ to get the relationship type id
 215     // and to know which contact has to be inserted in
 216     // contact_id_a and which one in contact_id_b
 217     list($type, $first, $second) = explode('_', $relationshipTypes);
 218
 219     ${'contact_' . $first} = CRM_Utils_Array::value('contact', $ids);
 220     ${'contact_' . $second} = $contactId;
 221
 222     // check if the relationship type is Head of Household then update the
 223     // household's primary contact with this contact.
 224     if ($type == 6) {
 225       CRM_Contact_BAO_Household::updatePrimaryContact($contact_b, $contact_a);
 226     }
 227
 228     $relationship = new CRM_Contact_BAO_Relationship();
 229     //@todo this code needs to be updated for the possibility that not all fields are set
 230     // (update)
 231     $relationship->contact_id_b = $contact_b;
 232     $relationship->contact_id_a = $contact_a;
 233     $relationship->relationship_type_id = $type;
 234     $relationship->id = $relationshipId;
 235
 236     $dateFields = array('end_date', 'start_date');
 237
 238     foreach (self::getdefaults() as $defaultField => $defaultValue){
 239       if(isset($params[$defaultField])){
 240         if(in_array($defaultField, $dateFields)){
 241           $relationship->$defaultField = CRM_Utils_Date::format(CRM_Utils_Array::value($defaultField, $params));
 242           if(!$relationship->$defaultField){
 243             $relationship->$defaultField = 'NULL';
 244           }
 245         }
 246         else{
 247           $relationship->$defaultField = $params[$defaultField];
 248         }
 249       }
 250       elseif(!$relationshipId){
 251         $relationship->$defaultField = $defaultValue;
 252       }
 253     }
 254
 255     $relationship->save();
 256
 257     // add custom field values
 258     if (!empty($params['custom'])) {
 259       CRM_Core_BAO_CustomValueTable::store($params['custom'], 'civicrm_relationship', $relationship->id);
 260     }
 261
 262     $relationship->free();
 263
 264     CRM_Utils_Hook::post($hook, 'Relationship', $relationshipId, $relationship);
 265
 266     return $relationship;
 267   }
 268   /**
 269    * Specifiy defaults for creating a relationship
 270    *
 271    * @return array $defaults array of defaults for creating relationship
 272    * @access public
 273    * @static
 274    */
 275   static function getdefaults() {
 276     return array(
 277       'is_active' => 0,
 278       'is_permission_a_b' => 0,
 279       'is_permission_b_a' => 0,
 280       'description' => '',
 281       'start_date' => 'NULL',
 282       'case_id' => NULL,
 283       'end_date' => 'NULL',
 284     );
 285   }
 286
 287
 288   /**
 289    * Check if there is data to create the object
 290    *
 291    * @param array  $params         (reference ) an assoc array of name/value pairs
 292    *
 293    * @return boolean
 294    * @access public
 295    * @static
 296    */
 297   static function dataExists(&$params) {
 298     // return if no data present
 299     if (!is_array(CRM_Utils_Array::value('contact_check', $params))) {
 300       return FALSE;
 301     }
 302     return TRUE;
 303   }
 304
 305   /**
 306    * Function to get get list of relationship type based on the contact type.
 307    *
 308    * @param int     $contactId      this is the contact id of the current contact.
 309    * @param string  $strContact     this value is currently ignored, keeping it there for legacy reasons
 310    * @param string  $relationshipId the id of the existing relationship if any
 311    * @param string  $contactType    contact type
 312    * @param boolean $all            if true returns relationship types in both the direction
 313    * @param string  $column         name/label that going to retrieve from db.
 314    *
 315    *
 316    * @param string  $contactSubType includes relationshiptypes between this subtype
 317    *
 318    * @param boolean $onlySubTypeRelationTypes if set only subtype which is passed by $contactSubType
 319    *                                          related relationshiptypes get return
 320    * @access public
 321    * @static
 322    *
 323    * @return array - array reference of all relationship types with context to current contact.
 324    */
 325   static function getContactRelationshipType($contactId = NULL,
 326     $contactSuffix = NULL,
 327     $relationshipId = NULL,
 328     $contactType = NULL,
 329     $all = FALSE,
 330     $column = 'label',
 331     $biDirectional = TRUE,
 332     $contactSubType = NULL,
 333     $onlySubTypeRelationTypes = FALSE
 334   ) {
 335     $allRelationshipType = array();
 336     $relationshipType    = array();
 337     $allRelationshipType = CRM_Core_PseudoConstant::relationshipType($column);
 338
 339     $otherContactType = NULL;
 340     if ($relationshipId) {
 341       $relationship = new CRM_Contact_DAO_Relationship();
 342       $relationship->id = $relationshipId;
 343       if ($relationship->find(TRUE)) {
 344         $contact = new CRM_Contact_DAO_Contact();
 345         $contact->id = ($relationship->contact_id_a === $contactId) ? $relationship->contact_id_b : $relationship->contact_id_a;
 346
 347         if ($contact->find(TRUE)) {
 348           $otherContactType = $contact->contact_type;
 349           //CRM-5125 for contact subtype specific relationshiptypes
 350           if ($contact->contact_sub_type) {
 351             $otherContactSubType = $contact->contact_sub_type;
 352           }
 353         }
 354       }
 355     }
 356
 357     $contactSubType = array();
 358     if ($contactId) {
 359       $contactType = CRM_Contact_BAO_Contact::getContactType($contactId);
 360       $contactSubType = CRM_Contact_BAO_Contact::getContactSubType($contactId);
 361     }
 362
 363     foreach ($allRelationshipType as $key => $value) {
 364       // the contact type is required or matches
 365       if (((!$value['contact_type_a']) ||
 366           $value['contact_type_a'] == $contactType
 367         ) &&
 368         // the other contact type is required or present or matches
 369         ((!$value['contact_type_b']) ||
 370           (!$otherContactType) ||
 371           $value['contact_type_b'] == $otherContactType
 372         ) &&
 373         (!$contactSubType ||
 374           (in_array($value['contact_sub_type_a'], $contactSubType) ||
 375             ((!$value['contact_sub_type_b'] &&
 376                 !$value['contact_sub_type_a']
 377               ) &&
 378               !$onlySubTypeRelationTypes
 379             )
 380           )
 381         )
 382       ) {
 383         $relationshipType[$key . '_a_b'] = $value["{$column}_a_b"];
 384       }
 385       elseif (empty($value['contact_type_b'])) {
 386         // case contact_type_b is "all contacts", CRM-9877
 387         $relationshipType[$key . '_a_b'] = $value["{$column}_a_b"];
 388       }
 389
 390       if (((!$value['contact_type_b']) ||
 391           $value['contact_type_b'] == $contactType
 392         ) &&
 393         ((!$value['contact_type_a']) ||
 394           (!$otherContactType) ||
 395           $value['contact_type_a'] == $otherContactType
 396         ) &&
 397         (!$contactSubType ||
 398           (in_array($value['contact_sub_type_b'], $contactSubType) ||
 399             ((!$value['contact_sub_type_a'] &&
 400                 !$value['contact_sub_type_b']
 401               ) &&
 402               !$onlySubTypeRelationTypes
 403             )
 404           )
 405         )
 406       ) {
 407         $relationshipType[$key . '_b_a'] = $value["{$column}_b_a"];
 408       }
 409       elseif (empty($value['contact_type_a'])) {
 410         // case contact_type_a is "all contacts", CRM-9877
 411         $relationshipType[$key . '_b_a'] = $value["{$column}_b_a"];
 412       }
 413
 414       if ($all) {
 415         $relationshipType[$key . '_a_b'] = $value["{$column}_a_b"];
 416         $relationshipType[$key . '_b_a'] = $value["{$column}_b_a"];
 417       }
 418     }
 419
 420     if ($biDirectional) {
 421       // lets clean up the data and eliminate all duplicate values
 422       // (i.e. the relationship is bi-directional)
 423       $relationshipType = array_unique($relationshipType);
 424     }
 425
 426     // sort the relationshipType in ascending order CRM-7736
 427     asort($relationshipType);
 428     return $relationshipType;
 429   }
 430
 431   static function clearCurrentEmployer($id, $action) {
 432     $relationship = new CRM_Contact_DAO_Relationship();
 433     $relationship->id = $id;
 434     $relationship->find(TRUE);
 435
 436     //to delete relationship between household and individual                                                                                          \
 437     //or between individual and orgnization
 438     if (($action & CRM_Core_Action::DISABLE) || ($action & CRM_Core_Action::DELETE)) {
 439       $relTypes = CRM_Utils_Array::index(array('name_a_b'), CRM_Core_PseudoConstant::relationshipType('name'));
 440       if ($relationship->relationship_type_id == $relTypes['Employee of']['id'] ||
 441           $relationship->relationship_type_id == $relTypes['Household Member of']['id']) {
 442         $sharedContact = new CRM_Contact_DAO_Contact();
 443         $sharedContact->id = $relationship->contact_id_a;
 444         $sharedContact->find(TRUE);
 445
 446           if ($relationship->relationship_type_id == 4 && $relationship->contact_id_b == $sharedContact->employer_id) {
 447           CRM_Contact_BAO_Contact_Utils::clearCurrentEmployer($relationship->contact_id_a);
 448         }
 449       }
 450     }
 451     return  $relationship;
 452   }
 453
 454   /**
 455    * Function to delete the relationship
 456    *
 457    * @param int $id relationship id
 458    *
 459    * @return null
 460    * @access public
 461    *
 462    * @static
 463    */
 464   static function del($id) {
 465     // delete from relationship table
 466     CRM_Utils_Hook::pre('delete', 'Relationship', $id, CRM_Core_DAO::$_nullArray);
 467
 468     $relationship = self::clearCurrentEmployer($id, CRM_Core_Action::DELETE);
 469     if (CRM_Core_Permission::access('CiviMember')) {
 470       // create $params array which isrequired to delete memberships
 471       // of the related contacts.
 472       $params = array(
 473         'relationship_type_id' => "{$relationship->relationship_type_id}_a_b",
 474         'contact_check' => array($relationship->contact_id_b => 1),
 475       );
 476
 477       $ids = array();
 478       // calling relatedMemberships to delete the memberships of
 479       // related contacts.
 480       self::relatedMemberships($relationship->contact_id_a,
 481         $params,
 482         $ids,
 483         CRM_Core_Action::DELETE,
 484         FALSE
 485       );
 486     }
 487
 488     $relationship->delete();
 489     CRM_Core_Session::setStatus(ts('Selected relationship has been deleted successfully.'), ts('Record Deleted'), 'success');
 490
 491     CRM_Utils_Hook::post('delete', 'Relationship', $relationship->id, $relationship);
 492
 493     // delete the recently created Relationship
 494     $relationshipRecent = array(
 495       'id' => $id,
 496       'type' => 'Relationship',
 497     );
 498     CRM_Utils_Recent::del($relationshipRecent);
 499
 500     return $relationship;
 501   }
 502
 503   /**
 504    * Function to disable/enable the relationship
 505    *
 506    * @param int $id relationship id
 507    *
 508    * @return null
 509    * @access public
 510
 511    * @static
 512    */
 513   static function disableEnableRelationship($id, $action) {
 514     $relationship = self::clearCurrentEmployer($id, $action);
 515     if (CRM_Core_Permission::access('CiviMember')) {
 516       // create $params array which isrequired to delete memberships
 517       // of the related contacts.
 518       $params = array(
 519         'relationship_type_id' => "{$relationship->relationship_type_id}_a_b",
 520         'contact_check' => array($relationship->contact_id_b => 1),
 521       );
 522
 523       $ids = array();
 524       // calling relatedMemberships to delete/add the memberships of
 525       // related contacts.
 526       if ($action & CRM_Core_Action::DISABLE) {
 527         CRM_Contact_BAO_Relationship::relatedMemberships($relationship->contact_id_a,
 528           $params,
 529           $ids,
 530           CRM_Core_Action::DELETE,
 531           FALSE
 532         );
 533       }
 534       elseif ($action & CRM_Core_Action::ENABLE) {
 535         $ids['contact'] = $relationship->contact_id_a;
 536         CRM_Contact_BAO_Relationship::relatedMemberships($relationship->contact_id_a,
 537           $params,
 538           $ids,
 539           CRM_Core_Action::ADD,
 540           FALSE
 541         );
 542       }
 543     }
 544   }
 545
 546   /**
 547    * Delete the object records that are associated with this contact
 548    *
 549    * @param  int  $contactId id of the contact to delete
 550    *
 551    * @return void
 552    * @access public
 553    * @static
 554    */
 555   static function deleteContact($contactId) {
 556     $relationship = new CRM_Contact_DAO_Relationship();
 557     $relationship->contact_id_a = $contactId;
 558     $relationship->delete();
 559
 560     $relationship = new CRM_Contact_DAO_Relationship();
 561     $relationship->contact_id_b = $contactId;
 562     $relationship->delete();
 563
 564     CRM_Contact_BAO_Household::updatePrimaryContact(NULL, $contactId);
 565   }
 566
 567   /**
 568    * Function to get the other contact in a relationship
 569    *
 570    * @param int $id relationship id
 571    *
 572    * $returns  returns the contact ids in the realtionship
 573    * @access public
 574    * @static
 575    */
 576   static function getContactIds($id) {
 577     $relationship = new CRM_Contact_DAO_Relationship();
 578
 579     $relationship->id = $id;
 580     $relationship->selectAdd();
 581     $relationship->selectAdd('contact_id_a, contact_id_b');
 582     $relationship->find(TRUE);
 583
 584     return $relationship;
 585   }
 586
 587   /**
 588    * Function to check if the relationship type selected between two contacts is correct
 589    *
 590    * @param int $contact_a 1st contact id
 591    * @param int $contact_b 2nd contact id
 592    * @param int $relationshipTypeId relationship type id
 593    *
 594    * @return boolean  true if it is valid relationship else false
 595    * @access public
 596    * @static
 597    */
 598   static function checkRelationshipType($contact_a, $contact_b, $relationshipTypeId) {
 599     $relationshipType = new CRM_Contact_DAO_RelationshipType();
 600     $relationshipType->id = $relationshipTypeId;
 601     $relationshipType->selectAdd();
 602     $relationshipType->selectAdd('contact_type_a, contact_type_b, contact_sub_type_a, contact_sub_type_b');
 603     if ($relationshipType->find(TRUE)) {
 604       $contact_type_a = CRM_Contact_BAO_Contact::getContactType($contact_a);
 605       $contact_type_b = CRM_Contact_BAO_Contact::getContactType($contact_b);
 606
 607       $contact_sub_type_a = CRM_Contact_BAO_Contact::getContactSubType($contact_a);
 608       $contact_sub_type_b = CRM_Contact_BAO_Contact::getContactSubType($contact_b);
 609
 610       if (((!$relationshipType->contact_type_a) || ($relationshipType->contact_type_a == $contact_type_a)) &&
 611         ((!$relationshipType->contact_type_b) || ($relationshipType->contact_type_b == $contact_type_b)) &&
 612         ((!$relationshipType->contact_sub_type_a) || (in_array($relationshipType->contact_sub_type_a,
 613               $contact_sub_type_a
 614             ))) &&
 615         ((!$relationshipType->contact_sub_type_b) || (in_array($relationshipType->contact_sub_type_b,
 616               $contact_sub_type_b
 617             )))
 618       ) {
 619         return TRUE;
 620       }
 621       else {
 622         return FALSE;
 623       }
 624     }
 625     return FALSE;
 626   }
 627
 628   /**
 629    * this function does the validtion for valid relationship
 630    *
 631    * @param array   $params     this array contains the values there are subitted by the form
 632    * @param array   $ids        the array that holds all the db ids
 633    * @param integer $contactId  this is contact id for adding relationship
 634    *
 635    * @return
 636    * @access public
 637    * @static
 638    */
 639   static function checkValidRelationship(&$params, &$ids, $contactId) {
 640     $errors = '';
 641
 642     // get the string of relationship type
 643     $relationshipTypes = CRM_Utils_Array::value('relationship_type_id', $params);
 644     list($type, $first, $second) = explode('_', $relationshipTypes);
 645     ${'contact_' . $first} = CRM_Utils_Array::value('contact', $ids);
 646     ${'contact_' . $second} = $contactId;
 647     // function to check if the relationship selected is correct
 648     // i.e. employer relationship can exit between Individual and Organization (not between Individual and Individual)
 649     if (!CRM_Contact_BAO_Relationship::checkRelationshipType($contact_a, $contact_b, $type)) {
 650       $errors = 'Please select valid relationship between these two contacts.';
 651     }
 652     return $errors;
 653   }
 654
 655   /**
 656    * this function checks for duplicate relationship
 657    *
 658    * @param array $params (reference ) an assoc array of name/value pairs
 659    * @param integer $id this the id of the contact whom we are adding relationship
 660    * @param integer $contactId  this is contact id for adding relationship
 661    * @param integer $relationshipId this is relationship id for the contact
 662    *
 663    * @return boolean true if record exists else false
 664    * @access public
 665    * @static
 666    */
 667   static function checkDuplicateRelationship(&$params, $id, $contactId = 0, $relationshipId = 0) {
 668     $relationshipTypeId = CRM_Utils_Array::value('relationship_type_id', $params);
 669     list($type, $first, $second) = explode('_', $relationshipTypeId);
 670
 671     $queryString = "
 672 SELECT id
 673 FROM   civicrm_relationship
 674 WHERE  relationship_type_id = " . CRM_Utils_Type::escape($type, 'Integer');
 675
 676     /*
 677     * CRM-11792 - date fields from API are in ISO format, but this function
 678     * supports date arrays BAO has increasingly standardised to ISO format
 679     * so I believe this function should support ISO rather than make API
 680     * format it - however, need to support array format for now to avoid breakage
 681     * @ time of writing this function is called from Relationship::create (twice)
 682     * CRM_BAO_Contact_Utils::clearCurrentEmployer (seemingly without dates)
 683     * CRM_Contact_Form_Task_AddToOrganization::postProcess &
 684     * CRM_Contact_Form_Task_AddToHousehold::postProcess
 685     * (I don't think the last 2 support dates but not sure
 686     */
 687
 688     $dateFields = array('end_date', 'start_date');
 689     foreach ($dateFields as $dateField){
 690       if(array_key_exists($dateField, $params)) {
 691         if (empty($params[$dateField]) || $params[$dateField] == 'null'){
 692           //this is most likely coming from an api call & probably loaded
 693           // from the DB to deal with some of the
 694           // other myriad of excessive checks still in place both in
 695           // the api & the create functions
 696           $queryString .= " AND $dateField IS NULL";
 697           continue;
 698         }
 699         elseif (is_array($params[$dateField])){
 700           $queryString .= " AND $dateField = " .
 701             CRM_Utils_Type::escape(CRM_Utils_Date::format($params[$dateField]), 'Date');
 702         }
 703         else {
 704           $queryString .= " AND $dateField = " .
 705             CRM_Utils_Type::escape($params[$dateField], 'Date');
 706         }
 707       }
 708     }
 709
 710     $queryString .=
 711       " AND ( ( contact_id_a = " . CRM_Utils_Type::escape($id, 'Integer') .
 712       " AND contact_id_b = " . CRM_Utils_Type::escape($contactId, 'Integer') .
 713       " ) OR ( contact_id_a = " . CRM_Utils_Type::escape($contactId, 'Integer') .
 714       " AND contact_id_b = " . CRM_Utils_Type::escape($id, 'Integer') . " ) ) ";
 715
 716     //if caseId is provided, include it duplicate checking.
 717     if ($caseId = CRM_Utils_Array::value('case_id', $params)) {
 718       $queryString .= " AND case_id = " . CRM_Utils_Type::escape($caseId, 'Integer');
 719     }
 720
 721     if ($relationshipId) {
 722       $queryString .= " AND id !=" . CRM_Utils_Type::escape($relationshipId, 'Integer');
 723     }
 724
 725     $relationship = new CRM_Contact_BAO_Relationship();
 726     $relationship->query($queryString);
 727     $relationship->fetch();
 728     $relationship->free();
 729     return ($relationship->id) ? TRUE : FALSE;
 730   }
 731
 732   /**
 733    * update the is_active flag in the db
 734    *
 735    * @param int      $id        id of the database record
 736    * @param boolean  $is_active value we want to set the is_active field
 737    *
 738    * @return Object             DAO object on success, null otherwise
 739    * @static
 740    */
 741   static function setIsActive($id, $is_active) {
 742     // as both the create & add functions have a bunch of logic in them that
 743     // doesn't seem to cope with a normal update we will call the api which
 744     // has tested handling for this
 745     // however, a longer term solution would be to simplify the add, create & api functions
 746     // to be more standard. It is debatable @ that point whether it's better to call the BAO
 747     // direct as the api is more tested.
 748     civicrm_api3('relationship', 'create', array('id' => $id, 'is_active' => $is_active));
 749
 750     // call (undocumented possibly deprecated) hook
 751     CRM_Utils_Hook::enableDisable('CRM_Contact_BAO_Relationship', $id, $is_active);
 752
 753     return TRUE;
 754   }
 755
 756   /**
 757    * Given the list of params in the params array, fetch the object
 758    * and store the values in the values array
 759    *
 760    * @param array $params        input parameters to find object
 761    * @param array $values        output values of the object
 762    * @param array $ids           the array that holds all the db ids
 763    *
 764    * @return array (reference)   the values that could be potentially assigned to smarty
 765    * @access public
 766    * @static
 767    */
 768   static function &getValues(&$params, &$values) {
 769     if (empty($params)) {
 770       return NULL;
 771     }
 772     $v = array();
 773
 774     // get the specific number of relationship or all relationships.
 775     if (!empty($params['numRelationship'])) {
 776       $v['data'] = &CRM_Contact_BAO_Relationship::getRelationship($params['contact_id'], NULL, $params['numRelationship']);
 777     }
 778     else {
 779       $v['data'] = CRM_Contact_BAO_Relationship::getRelationship($params['contact_id']);
 780     }
 781
 782     // get the total count of relationships
 783     $v['totalCount'] = CRM_Contact_BAO_Relationship::getRelationship($params['contact_id'], NULL, NULL, TRUE);
 784
 785     $values['relationship']['data'] = &$v['data'];
 786     $values['relationship']['totalCount'] = &$v['totalCount'];
 787
 788     return $v;
 789   }
 790
 791   /**
 792    * helper function to form the sql for relationship retrieval
 793    *
 794    * @param int $contactId contact id
 795    * @param int $status (check const at top of file)
 796    * @param int $numRelationship no of relationships to display (limit)
 797    * @param int $count get the no of relationships
 798    * $param int $relationshipId relationship id
 799    * @param string $direction   the direction we are interested in a_b or b_a
 800    * @param array $params array of extra values including relationship_type_id per api spec
 801    *
 802    * return string the query for this diretion
 803    * @static
 804    * @access public
 805    */
 806   static function makeURLClause($contactId, $status, $numRelationship, $count, $relationshipId, $direction, $params = array()) {
 807     $select = $from = $where = '';
 808
 809     $select = '( ';
 810     if ($count) {
 811       if ($direction == 'a_b') {
 812         $select .= ' SELECT count(DISTINCT civicrm_relationship.id) as cnt1, 0 as cnt2 ';
 813       }
 814       else {
 815         $select .= ' SELECT 0 as cnt1, count(DISTINCT civicrm_relationship.id) as cnt2 ';
 816       }
 817     }
 818     else {
 819       $select .= ' SELECT civicrm_relationship.id as civicrm_relationship_id,
 820                               civicrm_contact.sort_name as sort_name,
 821                               civicrm_contact.display_name as display_name,
 822                               civicrm_contact.job_title as job_title,
 823                               civicrm_contact.employer_id as employer_id,
 824                               civicrm_contact.organization_name as organization_name,
 825                               civicrm_address.street_address as street_address,
 826                               civicrm_address.city as city,
 827                               civicrm_address.postal_code as postal_code,
 828                               civicrm_state_province.abbreviation as state,
 829                               civicrm_country.name as country,
 830                               civicrm_email.email as email,
 831                               civicrm_phone.phone as phone,
 832                               civicrm_contact.id as civicrm_contact_id,
 833                               civicrm_contact.contact_type as contact_type,
 834                               civicrm_relationship.contact_id_b as contact_id_b,
 835                               civicrm_relationship.contact_id_a as contact_id_a,
 836                               civicrm_relationship_type.id as civicrm_relationship_type_id,
 837                               civicrm_relationship.start_date as start_date,
 838                               civicrm_relationship.end_date as end_date,
 839                               civicrm_relationship.description as description,
 840                               civicrm_relationship.is_active as is_active,
 841                               civicrm_relationship.is_permission_a_b as is_permission_a_b,
 842                               civicrm_relationship.is_permission_b_a as is_permission_b_a,
 843                               civicrm_relationship.case_id as case_id';
 844
 845       if ($direction == 'a_b') {
 846         $select .= ', civicrm_relationship_type.label_a_b as label_a_b,
 847                               civicrm_relationship_type.label_b_a as relation ';
 848       }
 849       else {
 850         $select .= ', civicrm_relationship_type.label_a_b as label_a_b,
 851                               civicrm_relationship_type.label_a_b as relation ';
 852       }
 853     }
 854
 855     $from = "
 856       FROM  civicrm_relationship
 857 INNER JOIN  civicrm_relationship_type ON ( civicrm_relationship.relationship_type_id = civicrm_relationship_type.id )
 858 INNER JOIN  civicrm_contact ";
 859     if ($direction == 'a_b') {
 860       $from .= 'ON ( civicrm_contact.id = civicrm_relationship.contact_id_a ) ';
 861     }
 862     else {
 863       $from .= 'ON ( civicrm_contact.id = civicrm_relationship.contact_id_b ) ';
 864     }
 865     $from .= "
 866 LEFT JOIN  civicrm_address ON (civicrm_address.contact_id = civicrm_contact.id AND civicrm_address.is_primary = 1)
 867 LEFT JOIN  civicrm_phone   ON (civicrm_phone.contact_id = civicrm_contact.id AND civicrm_phone.is_primary = 1)
 868 LEFT JOIN  civicrm_email   ON (civicrm_email.contact_id = civicrm_contact.id AND civicrm_email.is_primary = 1)
 869 LEFT JOIN  civicrm_state_province ON (civicrm_address.state_province_id = civicrm_state_province.id)
 870 LEFT JOIN  civicrm_country ON (civicrm_address.country_id = civicrm_country.id)
 871 ";
 872     $where = 'WHERE ( 1 )';
 873     if ($contactId) {
 874       if ($direction == 'a_b') {
 875         $where .= ' AND civicrm_relationship.contact_id_b = ' . CRM_Utils_Type::escape($contactId, 'Positive');
 876       }
 877       else {
 878         $where .= ' AND civicrm_relationship.contact_id_a = ' . CRM_Utils_Type::escape($contactId, 'Positive');
 879       }
 880     }
 881     if ($relationshipId) {
 882       $where .= ' AND civicrm_relationship.id = ' . CRM_Utils_Type::escape($relationshipId, 'Positive');
 883     }
 884
 885     $date = date('Y-m-d');
 886     if ($status == self::PAST) {
 887       //this case for showing past relationship
 888       $where .= ' AND civicrm_relationship.is_active = 1 ';
 889       $where .= " AND civicrm_relationship.end_date < '" . $date . "'";
 890     }
 891     elseif ($status == self::DISABLED) {
 892       // this case for showing disabled relationship
 893       $where .= ' AND civicrm_relationship.is_active = 0 ';
 894     }
 895     elseif ($status == self::CURRENT) {
 896       //this case for showing current relationship
 897       $where .= ' AND civicrm_relationship.is_active = 1 ';
 898       $where .= " AND (civicrm_relationship.end_date >= '" . $date . "' OR civicrm_relationship.end_date IS NULL) ";
 899     }
 900     elseif ($status == self::INACTIVE) {
 901       //this case for showing inactive relationships
 902       $where .= " AND (civicrm_relationship.end_date < '" . $date . "'";
 903       $where .= ' OR civicrm_relationship.is_active = 0 )';
 904     }
 905
 906     // CRM-6181
 907     $where .= ' AND civicrm_contact.is_deleted = 0';
 908     if(!empty($params['membership_type_id']) && empty($params['relationship_type_id'])) {
 909       $where .= self::membershipTypeToRelationshipTypes($params, $direction);
 910     }
 911     if(!empty($params['relationship_type_id'])) {
 912       if(is_array($params['relationship_type_id'])) {
 913         $where .=  " AND " . CRM_Core_DAO::createSQLFilter('relationship_type_id', $params['relationship_type_id'], 'Integer');
 914       }
 915       else {
 916         $where .= ' AND relationship_type_id = ' . CRM_Utils_Type::escape($params['relationship_type_id'], 'Positive');
 917       }
 918     }
 919     if ($direction == 'a_b') {
 920       $where .= ' ) UNION ';
 921     }
 922     else {
 923       $where .= ' ) ';
 924     }
 925
 926     return array($select, $from, $where);
 927   }
 928
 929   /**
 930    * This is the function to get the list of relationships
 931    *
 932    * @param int $contactId contact id
 933    * @param int $status 1: Past 2: Disabled 3: Current
 934    * @param int $numRelationship no of relationships to display (limit)
 935    * @param int $count get the no of relationships
 936    * $param int $relationshipId relationship id
 937    * $param array $links the list of links to display
 938    * $param int   $permissionMask  the permission mask to be applied for the actions
 939    * $param boolean $permissionedContact to return only permissioned Contact
 940    * $param array $params array of variables consistent with filters supported by the api
 941    * return array $values relationship records
 942    * @static
 943    * @access public
 944    */
 945   static function getRelationship($contactId = NULL,
 946     $status              = 0, $numRelationship = 0,
 947     $count               = 0, $relationshipId = 0,
 948     $links               = NULL, $permissionMask = NULL,
 949     $permissionedContact = FALSE,
 950     $params = array()
 951   ) {
 952     $values = array();
 953     if (!$contactId && !$relationshipId) {
 954       return $values;
 955     }
 956
 957     list($select1, $from1, $where1) = self::makeURLClause($contactId, $status, $numRelationship,
 958       $count, $relationshipId, 'a_b', $params
 959     );
 960     list($select2, $from2, $where2) = self::makeURLClause($contactId, $status, $numRelationship,
 961       $count, $relationshipId, 'b_a', $params
 962     );
 963
 964     $order = $limit = '';
 965     if (!$count) {
 966       $order = ' ORDER BY civicrm_relationship_type_id, sort_name ';
 967
 968       if ($numRelationship) {
 969         $limit = " LIMIT 0, $numRelationship";
 970       }
 971     }
 972
 973     // building the query string
 974     $queryString = '';
 975     $queryString = $select1 . $from1 . $where1 . $select2 . $from2 . $where2 . $order . $limit;
 976
 977     $relationship = new CRM_Contact_DAO_Relationship();
 978
 979     $relationship->query($queryString);
 980     $row = array();
 981     if ($count) {
 982       $relationshipCount = 0;
 983       while ($relationship->fetch()) {
 984         $relationshipCount += $relationship->cnt1 + $relationship->cnt2;
 985       }
 986       return $relationshipCount;
 987     }
 988     else {
 989
 990       $mask = NULL;
 991       if ($status != self::INACTIVE) {
 992         if ($links) {
 993           $mask = array_sum(array_keys($links));
 994           if ($mask & CRM_Core_Action::DISABLE) {
 995             $mask -= CRM_Core_Action::DISABLE;
 996           }
 997           if ($mask & CRM_Core_Action::ENABLE) {
 998             $mask -= CRM_Core_Action::ENABLE;
 999           }
1000
1001           if ($status == self::CURRENT) {
1002             $mask |= CRM_Core_Action::DISABLE;
1003           }
1004           elseif ($status == self::DISABLED) {
1005             $mask |= CRM_Core_Action::ENABLE;
1006           }
1007           $mask = $mask & $permissionMask;
1008         }
1009       }
1010       while ($relationship->fetch()) {
1011         $rid = $relationship->civicrm_relationship_id;
1012         $cid = $relationship->civicrm_contact_id;
1013         if (($permissionedContact) &&
1014           (!CRM_Contact_BAO_Contact_Permission::relationship($cid, $contactId))
1015         ) {
1016           continue;
1017         }
1018         $values[$rid]['id'] = $rid;
1019         $values[$rid]['cid'] = $cid;
1020         $values[$rid]['contact_id_a'] = $relationship->contact_id_a;
1021         $values[$rid]['contact_id_b'] = $relationship->contact_id_b;
1022         $values[$rid]['relationship_type_id'] = $relationship->civicrm_relationship_type_id;
1023         $values[$rid]['relation'] = $relationship->relation;
1024         $values[$rid]['name'] = $relationship->sort_name;
1025         $values[$rid]['display_name'] = $relationship->display_name;
1026         $values[$rid]['job_title'] = $relationship->job_title;
1027         $values[$rid]['email'] = $relationship->email;
1028         $values[$rid]['phone'] = $relationship->phone;
1029         $values[$rid]['employer_id'] = $relationship->employer_id;
1030         $values[$rid]['organization_name'] = $relationship->organization_name;
1031         $values[$rid]['country'] = $relationship->country;
1032         $values[$rid]['city'] = $relationship->city;
1033         $values[$rid]['state'] = $relationship->state;
1034         $values[$rid]['start_date'] = $relationship->start_date;
1035         $values[$rid]['end_date'] = $relationship->end_date;
1036         $values[$rid]['description'] = $relationship->description;
1037         $values[$rid]['is_active'] = $relationship->is_active;
1038         $values[$rid]['is_permission_a_b'] = $relationship->is_permission_a_b;
1039         $values[$rid]['is_permission_b_a'] = $relationship->is_permission_b_a;
1040         $values[$rid]['case_id'] = $relationship->case_id;
1041
1042         if ($status) {
1043           $values[$rid]['status'] = $status;
1044         }
1045
1046         $values[$rid]['civicrm_relationship_type_id'] = $relationship->civicrm_relationship_type_id;
1047
1048         if ($relationship->contact_id_a == $contactId) {
1049           $values[$rid]['rtype'] = 'a_b';
1050         }
1051         else {
1052           $values[$rid]['rtype'] = 'b_a';
1053         }
1054
1055         if ($links) {
1056           $replace = array(
1057             'id' => $rid,
1058             'rtype' => $values[$rid]['rtype'],
1059             'cid' => $contactId,
1060             'cbid' => $values[$rid]['cid'],
1061             'caseid' => $values[$rid]['case_id'],
1062             'clientid' => $contactId,
1063           );
1064
1065           if ($status == self::INACTIVE) {
1066             // setting links for inactive relationships
1067             $mask = array_sum(array_keys($links));
1068             if (!$values[$rid]['is_active']) {
1069               $mask -= CRM_Core_Action::DISABLE;
1070             }
1071             else {
1072               $mask -= CRM_Core_Action::ENABLE;
1073               $mask -= CRM_Core_Action::DISABLE;
1074             }
1075           }
1076
1077           // Give access to manage case link by copying to MAX_ACTION index temporarily, depending on case permission of user.
1078           if ($values[$rid]['case_id']) {
1079             // Borrowed logic from CRM_Case_Page_Tab
1080             $hasCaseAccess = FALSE;
1081             if (CRM_Core_Permission::check('access all cases and activities')) {
1082               $hasCaseAccess = TRUE;
1083             }
1084             else {
1085               $userCases = CRM_Case_BAO_Case::getCases(FALSE);
1086               if (array_key_exists($values[$rid]['case_id'], $userCases)) {
1087                 $hasCaseAccess = TRUE;
1088               }
1089             }
1090
1091             if ($hasCaseAccess) {
1092               // give access by copying to MAX_ACTION temporarily, otherwise leave at NONE which won't display
1093               $links[CRM_Core_Action::MAX_ACTION] = $links[CRM_Core_Action::NONE];
1094               $links[CRM_Core_Action::MAX_ACTION]['name'] = ts('Manage Case #%1', array(1 => $values[$rid]['case_id']));
1095
1096               // Also make sure we have the right client cid since can get here from multiple relationship tabs.
1097               if ($values[$rid]['rtype'] == 'b_a') {
1098                 $replace['clientid'] = $values[$rid]['cid'];
1099               }
1100             }
1101           }
1102
1103           $values[$rid]['action'] = CRM_Core_Action::formLink(
1104             $links,
1105             $mask,
1106             $replace,
1107             ts('more'),
1108             FALSE,
1109             'relationship.selector.row',
1110             'Relationship',
1111             $rid);
1112           unset($links[CRM_Core_Action::MAX_ACTION]);
1113         }
1114       }
1115
1116       $relationship->free();
1117       return $values;
1118     }
1119   }
1120
1121   /**
1122    * Function to get get list of relationship type based on the target contact type.
1123    *
1124    * @param string $targetContactType it's valid contact tpye(may be Individual , Organization , Household)
1125    *
1126    * @return array - array reference of all relationship types with context to current contact type .
1127    *
1128    */
1129   function getRelationType($targetContactType) {
1130     $relationshipType = array();
1131     $allRelationshipType = CRM_Core_PseudoConstant::relationshipType();
1132
1133     foreach ($allRelationshipType as $key => $type) {
1134       if ($type['contact_type_b'] == $targetContactType) {
1135         $relationshipType[$key . '_a_b'] = $type['label_a_b'];
1136       }
1137     }
1138
1139     return $relationshipType;
1140   }
1141
1142   /**
1143    * Function to create / update / delete membership for related contacts.
1144    *
1145    * This function will create/update/delete membership for related
1146    * contact based on 1) contact have active membership 2) that
1147    * membership is is extedned by the same relationship type to that
1148    * of the existing relationship.
1149    *
1150    * @param $contactId  Int     contact id
1151    * @param $params     array   array of values submitted by POST
1152    * @param $ids        array   array of ids
1153    * @param $action             which action called this function
1154    *
1155    * @static
1156    *
1157    */
1158   static function relatedMemberships($contactId, &$params, $ids, $action = CRM_Core_Action::ADD, $active = TRUE) {
1159     // Check the end date and set the status of the relationship
1160     // accrodingly.
1161     $status = self::CURRENT;
1162
1163     if (!empty($params['end_date'])) {
1164       $endDate = CRM_Utils_Date::setDateDefaults(CRM_Utils_Date::format($params['end_date']), NULL, 'Ymd');
1165       $today = date('Ymd');
1166
1167       if ($today > $endDate) {
1168         $status = self::PAST;
1169       }
1170     }
1171
1172     if (($action & CRM_Core_Action::ADD) &&
1173       ($status & self::PAST)
1174     ) {
1175       // if relationship is PAST and action is ADD, no qustion
1176       // of creating RELATED membership and return back to
1177       // calling method
1178       return;
1179     }
1180
1181     $rel = explode('_', $params['relationship_type_id']);
1182
1183     $relTypeId     = $rel[0];
1184     $relDirection  = "_{$rel[1]}_{$rel[2]}";
1185     $targetContact = array();
1186     if (($action & CRM_Core_Action::ADD) ||
1187       ($action & CRM_Core_Action::DELETE)
1188     ) {
1189       $contact = $contactId;
1190       $targetContact = CRM_Utils_Array::value('contact_check', $params);
1191     }
1192     elseif ($action & CRM_Core_Action::UPDATE) {
1193       $contact = $ids['contact'];
1194       $targetContact = array($ids['contactTarget'] => 1);
1195     }
1196
1197     // Build the 'values' array for
1198     // 1. ContactA
1199     // 2. ContactB
1200     // This will allow us to check if either of the contacts in
1201     // relationship have active memberships.
1202
1203     $values = array();
1204
1205     // 1. ContactA
1206     $values[$contact] = array(
1207       'relatedContacts' => $targetContact,
1208       'relationshipTypeId' => $relTypeId,
1209       'relationshipTypeDirection' => $relDirection,
1210     );
1211     // 2. ContactB
1212     if (!empty($targetContact)) {
1213       foreach ($targetContact as $cid => $donCare) {
1214         $values[$cid] = array(
1215           'relatedContacts' => array($contact => 1),
1216           'relationshipTypeId' => $relTypeId,
1217         );
1218
1219         $relTypeParams = array('id' => $relTypeId);
1220         $relTypeValues = array();
1221         CRM_Contact_BAO_RelationshipType::retrieve($relTypeParams, $relTypeValues);
1222
1223         if (CRM_Utils_Array::value('name_a_b', $relTypeValues) == CRM_Utils_Array::value('name_b_a', $relTypeValues)) {
1224           $values[$cid]['relationshipTypeDirection'] = '_a_b';
1225         }
1226         else {
1227           $values[$cid]['relationshipTypeDirection'] = ($relDirection == '_a_b') ? '_b_a' : '_a_b';
1228         }
1229       }
1230     }
1231
1232     // Now get the active memberships for all the contacts.
1233     // If contact have any valid membership(s), then add it to
1234     // 'values' array.
1235     foreach ($values as $cid => $subValues) {
1236       $memParams = array('contact_id' => $cid);
1237       $memberships = array();
1238
1239       CRM_Member_BAO_Membership::getValues($memParams, $memberships, $active);
1240
1241       if (empty($memberships)) {
1242         continue;
1243       }
1244
1245       $values[$cid]['memberships'] = $memberships;
1246     }
1247     $deceasedStatusId = array_search('Deceased', CRM_Member_PseudoConstant::membershipStatus());
1248
1249     // done with 'values' array.
1250     // Finally add / edit / delete memberships for the related contacts
1251     foreach ($values as $cid => $details) {
1252       if (!array_key_exists('memberships', $details)) {
1253         continue;
1254       }
1255
1256       $mainRelatedContactId = key(CRM_Utils_Array::value('relatedContacts', $details, array()));
1257
1258       foreach ($details['memberships'] as $membershipId => $membershipValues) {
1259         $relTypeIds = array();
1260         if ($action & CRM_Core_Action::DELETE) {
1261           // Delete memberships of the related contacts only if relationship type exists for membership type
1262           $query = "
1263 SELECT relationship_type_id, relationship_direction
1264   FROM civicrm_membership_type
1265  WHERE id = {$membershipValues['membership_type_id']}";
1266           $dao = CRM_Core_DAO::executeQuery($query);
1267           $relTypeDirs = array();
1268           while ($dao->fetch()) {
1269             $relTypeId = $dao->relationship_type_id;
1270             $relDirection = $dao->relationship_direction;
1271           }
1272           $relTypeIds = explode(CRM_Core_DAO::VALUE_SEPARATOR, $relTypeId);
1273           if (in_array($values[$cid]['relationshipTypeId'], $relTypeIds)) {
1274             CRM_Member_BAO_Membership::deleteRelatedMemberships($membershipId, $mainRelatedContactId);
1275           }
1276           continue;
1277         }
1278         if (($action & CRM_Core_Action::UPDATE) &&
1279           ($status & self::PAST) &&
1280           ($membershipValues['owner_membership_id'])
1281         ) {
1282           // If relationship is PAST and action is UPDATE
1283           // then delete the RELATED membership
1284           CRM_Member_BAO_Membership::deleteRelatedMemberships($membershipValues['owner_membership_id'],
1285             $membershipValues['membership_contact_id']
1286           );
1287           continue;
1288         }
1289
1290         // add / edit the memberships for related
1291         // contacts.
1292
1293         // Get the Membership Type Details.
1294         $membershipType = CRM_Member_BAO_MembershipType::getMembershipTypeDetails($membershipValues['membership_type_id']);
1295         // Check if contact's relationship type exists in membership type
1296         $relTypeDirs = array();
1297         if (!empty($membershipType['relationship_type_id'])) {
1298           $relTypeIds = explode(CRM_Core_DAO::VALUE_SEPARATOR, $membershipType['relationship_type_id']);
1299         }
1300         if (!empty($membershipType['relationship_direction'])) {
1301           $relDirections = explode(CRM_Core_DAO::VALUE_SEPARATOR, $membershipType['relationship_direction']);
1302         }
1303         foreach ($relTypeIds as $key => $value) {
1304           $relTypeDirs[] = $value . '_' . $relDirections[$key];
1305         }
1306         $relTypeDir = $details['relationshipTypeId'] . $details['relationshipTypeDirection'];
1307         if (in_array($relTypeDir, $relTypeDirs)) {
1308           // Check if relationship being created/updated is
1309           // similar to that of membership type's
1310           // relationship.
1311
1312           $membershipValues['owner_membership_id'] = $membershipId;
1313           unset($membershipValues['id']);
1314           unset($membershipValues['membership_contact_id']);
1315           unset($membershipValues['contact_id']);
1316           unset($membershipValues['membership_id']);
1317           foreach ($details['relatedContacts'] as $relatedContactId => $donCare) {
1318             $membershipValues['contact_id'] = $relatedContactId;
1319             if ($deceasedStatusId &&
1320               CRM_Core_DAO::getFieldValue('CRM_Contact_DAO_Contact', $relatedContactId, 'is_deceased')
1321             ) {
1322               $membershipValues['status_id'] = $deceasedStatusId;
1323               $membershipValues['skipStatusCal'] = TRUE;
1324             }
1325             foreach (array(
1326               'join_date', 'start_date', 'end_date') as $dateField) {
1327               if (!empty($membershipValues[$dateField])) {
1328                 $membershipValues[$dateField] = CRM_Utils_Date::processDate($membershipValues[$dateField]);
1329               }
1330             }
1331
1332             if ($action & CRM_Core_Action::UPDATE) {
1333               //delete the membership record for related
1334               //contact before creating new membership record.
1335               CRM_Member_BAO_Membership::deleteRelatedMemberships($membershipId, $relatedContactId);
1336             }
1337
1338             // check whether we have some related memberships still available
1339             $query = "
1340 SELECT count(*)
1341   FROM civicrm_membership
1342     LEFT JOIN civicrm_membership_status ON (civicrm_membership_status.id = civicrm_membership.status_id)
1343  WHERE membership_type_id = {$membershipValues['membership_type_id']} AND owner_membership_id = {$membershipValues['owner_membership_id']}
1344     AND is_current_member = 1";
1345             $result = CRM_Core_DAO::singleValueQuery($query);
1346             if ($result < CRM_Utils_Array::value('max_related', $membershipValues, PHP_INT_MAX)) {
1347               CRM_Member_BAO_Membership::create($membershipValues, CRM_Core_DAO::$_nullArray);
1348             }
1349           }
1350         }
1351         elseif ($action & CRM_Core_Action::UPDATE) {
1352           // if action is update and updated relationship do
1353           // not match with the existing
1354           // membership=>relationship then we need to
1355           // delete the membership record created for
1356           // previous relationship.
1357
1358           if (self::isDeleteRelatedMembership($relTypeIds, $contactId, $mainRelatedContactId, $relTypeId, CRM_Utils_Array::value('relationship_ids', $params))) {
1359             CRM_Member_BAO_Membership::deleteRelatedMemberships($membershipId, $mainRelatedContactId);
1360           }
1361         }
1362       }
1363     }
1364   }
1365
1366   /**
1367    * Helper function to check whether to delete the membership or
1368    * not.
1369    *
1370    * @static
1371    *
1372    */
1373   static function isDeleteRelatedMembership($relTypeIds, $contactId, $mainRelatedContactId, $relTypeId, $relIds) {
1374     if (in_array($relTypeId, $relTypeIds)) {
1375       return TRUE;
1376     }
1377
1378     if (empty($relIds)) {
1379       return FALSE;
1380     }
1381
1382     $relParamas = array(1 => array($contactId, 'Integer'),
1383       2 => array($mainRelatedContactId, 'Integer'),
1384     );
1385
1386     if ($contactId == $mainRelatedContactId) {
1387       $recordsFound = (int)CRM_Core_DAO::singleValueQuery("SELECT COUNT(*) FROM civicrm_relationship WHERE relationship_type_id IN ( " . implode(',', $relTypeIds) . " )  AND contact_id_a IN ( %1 ) OR contact_id_b IN ( %1 ) AND id IN (" . implode(',', $relIds) . ")", $relParamas);
1388       if ($recordsFound) {
1389         return FALSE;
1390       }
1391       return TRUE;
1392     }
1393
1394     $recordsFound = (int)CRM_Core_DAO::singleValueQuery("SELECT COUNT(*) FROM civicrm_relationship WHERE relationship_type_id IN ( " . implode(',', $relTypeIds) . " ) AND contact_id_a IN ( %1, %2 ) AND contact_id_b IN ( %1, %2 ) AND id NOT IN (" . implode(',', $relIds) . ")", $relParamas);
1395
1396     if ($recordsFound) {
1397       return FALSE;
1398     }
1399
1400     return TRUE;
1401   }
1402
1403   /**
1404    * Function to get Current Employer for Contact
1405    *
1406    * @param $contactIds       Contact Ids
1407    *
1408    * @return $currentEmployer array of the current employer
1409    *
1410    * @static
1411    *
1412    */
1413   static function getCurrentEmployer($contactIds) {
1414     $contacts = implode(',', $contactIds);
1415
1416     $query = "
1417 SELECT organization_name, id, employer_id
1418 FROM civicrm_contact
1419 WHERE id IN ( {$contacts} )
1420 ";
1421
1422     $dao = CRM_Core_DAO::executeQuery($query, CRM_Core_DAO::$_nullArray);
1423     $currentEmployer = array();
1424     while ($dao->fetch()) {
1425       $currentEmployer[$dao->id]['org_id'] = $dao->employer_id;
1426       $currentEmployer[$dao->id]['org_name'] = $dao->organization_name;
1427     }
1428
1429     return $currentEmployer;
1430   }
1431
1432   /**
1433    * Function to return list of permissioned employer for a given contact.
1434    *
1435    * @param $contactID   int     contact id whose employers
1436    * are to be found.
1437    * @param $name        string  employers sort name
1438    *
1439    * @static
1440    *
1441    * @return array array of employers.
1442    *
1443    */
1444   static function getPermissionedEmployer($contactID, $name = NULL) {
1445     //get the relationship id
1446     $relTypeId = CRM_Core_DAO::getFieldValue('CRM_Contact_DAO_RelationshipType',
1447       'Employee of', 'id', 'name_a_b'
1448     );
1449
1450     return self::getPermissionedContacts($contactID, $relTypeId, $name);
1451   }
1452
1453
1454  /**
1455   * Function to return list of permissioned contacts for a given contact and relationship type
1456   *
1457   * @param $contactID int contact id whose permissioned contacts are to be found.
1458   * @param $relTypeId string one or more relationship type id's
1459   * @param $name string
1460   *
1461   * @static
1462   *
1463   * @return array of contacts
1464   */
1465   static function getPermissionedContacts($contactID, $relTypeId, $name = NULL) {
1466     $contacts = array();
1467
1468     if ($relTypeId) {
1469       $query = "
1470 SELECT cc.id as id, cc.sort_name as name
1471 FROM civicrm_relationship cr, civicrm_contact cc
1472 WHERE
1473 cr.contact_id_a         = %1 AND
1474 cr.relationship_type_id IN (%2) AND
1475 cr.is_permission_a_b    = 1 AND
1476 IF(cr.end_date IS NULL, 1, (DATEDIFF( CURDATE( ), cr.end_date ) <= 0)) AND
1477 cr.is_active = 1 AND
1478 cc.id = cr.contact_id_b";
1479
1480       if (!empty($name)) {
1481         $name   = CRM_Utils_Type::escape($name, 'String');
1482         $query .= "
1483 AND cc.sort_name LIKE '%$name%'";
1484       }
1485
1486       $args = array(1 => array($contactID, 'Integer'), 2 => array($relTypeId, 'String'));
1487       $dao  = CRM_Core_DAO::executeQuery($query, $args);
1488
1489       while ($dao->fetch()) {
1490         $contacts[$dao->id] = array(
1491           'name' => $dao->name,
1492           'value' => $dao->id,
1493         );
1494       }
1495     }
1496     return $contacts;
1497   }
1498
1499   static function getValidContactTypeList($relType) {
1500     // string looks like 4_a_b
1501     $rel_parts           = explode('_', $relType);
1502     $allRelationshipType = CRM_Core_PseudoConstant::relationshipType('label');
1503     $contactProfiles     = CRM_Core_BAO_UFGroup::getReservedProfiles('Contact', NULL);
1504
1505     if ($rel_parts[1] == 'a') {
1506       $leftType = $allRelationshipType[$rel_parts[0]]['contact_type_b'];
1507     }
1508     else {
1509       $leftType = $allRelationshipType[$rel_parts[0]]['contact_type_a'];
1510     }
1511
1512     // Handle 'All Contacts' contact type for left side of relationship ($leftType is empty in this case)
1513     // In this case all reserved profiles are available
1514     if ($leftType == '') {
1515       $contactTypes = $contactProfiles;
1516     } else {
1517       $contactTypes = array();
1518       foreach ($contactProfiles as $key => $value) {
1519         $groupTypes = CRM_Core_BAO_UFGroup::profileGroups($key);
1520         if (in_array($leftType, $groupTypes)) {
1521           $contactTypes = array($key => $value);
1522         }
1523       }
1524     }
1525
1526     return $contactTypes;
1527   }
1528
1529   /**
1530    * Merge relationships from otherContact to mainContact
1531    * Called during contact merge operation
1532    *
1533    * @param int $mainId contact id of main contact record.
1534    * @param int $otherId contact id of record which is going to merge.
1535    * @param array $sqls (reference) array of sql statements to append to.
1536    *
1537    * @see CRM_Dedupe_Merger::cpTables()
1538    *
1539    * @static
1540    */
1541   static function mergeRelationships($mainId, $otherId, &$sqls) {
1542     // Delete circular relationships
1543     $sqls[] = "DELETE FROM civicrm_relationship
1544       WHERE (contact_id_a = $mainId AND contact_id_b = $otherId)
1545          OR (contact_id_b = $mainId AND contact_id_a = $otherId)";
1546
1547     // Delete relationship from other contact if main contact already has that relationship
1548     $sqls[] = "DELETE r2
1549       FROM civicrm_relationship r1, civicrm_relationship r2
1550       WHERE r1.relationship_type_id = r2.relationship_type_id
1551       AND r1.id <> r2.id
1552       AND (
1553         r1.contact_id_a = $mainId AND r2.contact_id_a = $otherId AND r1.contact_id_b = r2.contact_id_b
1554         OR r1.contact_id_b = $mainId AND r2.contact_id_b = $otherId AND r1.contact_id_a = r2.contact_id_a
1555         OR (
1556           (r1.contact_id_a = $mainId AND r2.contact_id_b = $otherId AND r1.contact_id_b = r2.contact_id_a
1557           OR r1.contact_id_b = $mainId AND r2.contact_id_a = $otherId AND r1.contact_id_a = r2.contact_id_b)
1558           AND r1.relationship_type_id IN (SELECT id FROM civicrm_relationship_type WHERE name_b_a = name_a_b)
1559         )
1560       )";
1561
1562     // Move relationships
1563     $sqls[] = "UPDATE IGNORE civicrm_relationship SET contact_id_a = $mainId WHERE contact_id_a = $otherId";
1564     $sqls[] = "UPDATE IGNORE civicrm_relationship SET contact_id_b = $mainId WHERE contact_id_b = $otherId";
1565
1566     // Move current employer id (name will get updated later)
1567     $sqls[] = "UPDATE civicrm_contact SET employer_id = $mainId WHERE employer_id = $otherId";
1568   }
1569
1570   /**
1571    * Set 'is_valid' field to false for all relationships whose end date is in the past, ie. are expired.
1572    *
1573    * @return True on success, false if error is encountered.
1574    */
1575   static function disableExpiredRelationships() {
1576     $query = "SELECT id FROM civicrm_relationship WHERE is_active = 1 AND end_date < CURDATE()";
1577
1578     $dao = CRM_Core_DAO::executeQuery($query);
1579     while ($dao->fetch()) {
1580       $result = CRM_Contact_BAO_Relationship::setIsActive($dao->id, FALSE);
1581       // Result will be NULL if error occurred. We abort early if error detected.
1582       if ($result == NULL) {
1583         return FALSE;
1584       }
1585     }
1586     return TRUE;
1587   }
1588
1589   /**
1590    * Function filters the query by possible relationships for the membership type
1591    * It is intended to be called when constructing queries for the api (reciprocal & non-reciprocal)
1592    * and to add clauses to limit the return to those relationships which COULD inherit a membership type
1593    * (as opposed to those who inherit a particular membership
1594    *
1595    * @param array $params api input array
1596    */
1597   static function membershipTypeToRelationshipTypes(&$params, $direction = NULL) {
1598     $membershipType = civicrm_api3('membership_type', 'getsingle', array('id' => $params['membership_type_id'], 'return' => 'relationship_type_id, relationship_direction'));
1599     $relationshipTypes = $membershipType['relationship_type_id'];
1600     if(empty($relationshipTypes)) {
1601       return;
1602     }
1603     // if we don't have any contact data we can only filter on type
1604     if(empty($params['contact_id']) && empty($params['contact_id_a']) && empty($params['contact_id_a'])) {
1605       $params['relationship_type_id'] = array('IN' => $relationshipTypes);
1606       return;
1607     }
1608     else {
1609       $relationshipDirections = (array) $membershipType['relationship_direction'];
1610       // if we have contact_id_a OR contact_id_b we can make a call here
1611       // if we have contact??
1612       foreach ($relationshipDirections as $index => $mtdirection) {
1613         if(isset($params['contact_id_a']) && $mtdirection == 'a_b'  || $direction == 'a_b') {
1614           $types[] = $relationshipTypes[$index];
1615         }
1616         if(isset($params['contact_id_b']) && $mtdirection == 'b_a'  || $direction == 'b_a') {
1617           $types[] = $relationshipTypes[$index];
1618         }
1619       }
1620       if(!empty($types)) {
1621         $params['relationship_type_id'] = array('IN' => $types);
1622       }
1623       elseif(!empty($clauses)) {
1624         return explode(' OR ', $clauses);
1625       }
1626       else{
1627         // effectively setting it to return no results
1628         $params['relationship_type_id'] = 0;
1629       }
1630     }
1631   }
1632 }
1633