3 +--------------------------------------------------------------------+
4 | Copyright CiviCRM LLC. All rights reserved. |
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 +--------------------------------------------------------------------+
12 use Civi\Api4\CustomGroup
;
17 * @copyright CiviCRM LLC https://civicrm.org/licensing
19 class CRM_Dedupe_Merger
{
22 * FIXME: consider creating a common structure with cidRefs() and eidRefs()
23 * FIXME: the sub-pages references by the URLs should
24 * be loaded dynamically on the merge form instead
27 * @throws \CiviCRM_API3_Exception
29 public static function relTables() {
31 if (!isset(Civi
::$statics[__CLASS__
]['relTables'])) {
33 // Setting these merely prevents enotices - but it may be more appropriate not to add the user table below
34 // if the url can't be retrieved. A more standardised way to retrieve them is.
35 // CRM_Core_Config::singleton()->userSystem->getUserRecordUrl() - however that function takes a contact_id &
36 // we may need a different function when it is not known.
37 $title = $userRecordUrl = '';
39 $config = CRM_Core_Config
::singleton();
40 // @todo - this user url stuff is only needed for the form layer - move to CRM_Contact_Form_Merge
41 if ($config->userSystem
->is_drupal
) {
42 $userRecordUrl = CRM_Utils_System
::url('user/%ufid');
43 $title = ts('%1 User: %2; user id: %3', [
44 1 => $config->userFramework
,
49 elseif ($config->userFramework
=== 'Joomla') {
50 $userRecordUrl = $config->userSystem
->getVersion() > 1.5 ?
$config->userFrameworkBaseURL
. "index.php?option=com_users&view=user&task=user.edit&id=" . '%ufid' : $config->userFrameworkBaseURL
. "index2.php?option=com_users&view=user&task=edit&id[]=" . '%ufid';
51 $title = ts('%1 User: %2; user id: %3', [
52 1 => $config->userFramework
,
59 'rel_table_contributions' => [
60 'title' => ts('Contributions'),
62 'civicrm_contribution',
63 'civicrm_contribution_recur',
64 'civicrm_contribution_soft',
66 'url' => CRM_Utils_System
::url('civicrm/contact/view', 'reset=1&force=1&cid=$cid&selectedChild=contribute'),
68 'rel_table_contribution_page' => [
69 'title' => ts('Contribution Pages'),
70 'tables' => ['civicrm_contribution_page'],
71 'url' => CRM_Utils_System
::url('civicrm/admin/contribute', 'reset=1&cid=$cid'),
73 'rel_table_memberships' => [
74 'title' => ts('Memberships'),
77 'civicrm_membership_log',
78 'civicrm_membership_type',
80 'url' => CRM_Utils_System
::url('civicrm/contact/view', 'reset=1&force=1&cid=$cid&selectedChild=member'),
82 'rel_table_participants' => [
83 'title' => ts('Participants'),
84 'tables' => ['civicrm_participant'],
85 'url' => CRM_Utils_System
::url('civicrm/contact/view', 'reset=1&force=1&cid=$cid&selectedChild=participant'),
87 'rel_table_events' => [
88 'title' => ts('Events'),
89 'tables' => ['civicrm_event'],
90 'url' => CRM_Utils_System
::url('civicrm/event/manage', 'reset=1&cid=$cid'),
92 'rel_table_activities' => [
93 'title' => ts('Activities'),
94 'tables' => ['civicrm_activity', 'civicrm_activity_contact'],
95 'url' => CRM_Utils_System
::url('civicrm/contact/view', 'reset=1&force=1&cid=$cid&selectedChild=activity'),
97 'rel_table_relationships' => [
98 'title' => ts('Relationships'),
99 'tables' => ['civicrm_relationship'],
100 'url' => CRM_Utils_System
::url('civicrm/contact/view', 'reset=1&force=1&cid=$cid&selectedChild=rel'),
102 'rel_table_custom_groups' => [
103 'title' => ts('Custom Groups'),
104 'tables' => ['civicrm_custom_group'],
105 'url' => CRM_Utils_System
::url('civicrm/admin/custom/group', 'reset=1'),
107 'rel_table_uf_groups' => [
108 'title' => ts('Profiles'),
109 'tables' => ['civicrm_uf_group'],
110 'url' => CRM_Utils_System
::url('civicrm/admin/uf/group', 'reset=1'),
112 'rel_table_groups' => [
113 'title' => ts('Groups'),
114 'tables' => ['civicrm_group_contact'],
115 'url' => CRM_Utils_System
::url('civicrm/contact/view', 'reset=1&force=1&cid=$cid&selectedChild=group'),
117 'rel_table_notes' => [
118 'title' => ts('Notes'),
119 'tables' => ['civicrm_note'],
120 'url' => CRM_Utils_System
::url('civicrm/contact/view', 'reset=1&force=1&cid=$cid&selectedChild=note'),
122 'rel_table_tags' => [
123 'title' => ts('Tags'),
124 'tables' => ['civicrm_entity_tag'],
125 'url' => CRM_Utils_System
::url('civicrm/contact/view', 'reset=1&force=1&cid=$cid&selectedChild=tag'),
127 'rel_table_mailings' => [
128 'title' => ts('Mailings'),
131 'civicrm_mailing_event_queue',
132 'civicrm_mailing_event_subscribe',
134 'url' => CRM_Utils_System
::url('civicrm/contact/view', 'reset=1&force=1&cid=$cid&selectedChild=mailing'),
136 'rel_table_cases' => [
137 'title' => ts('Cases'),
138 'tables' => ['civicrm_case_contact'],
139 'url' => CRM_Utils_System
::url('civicrm/contact/view', 'reset=1&force=1&cid=$cid&selectedChild=case'),
141 'rel_table_grants' => [
142 'title' => ts('Grants'),
143 'tables' => ['civicrm_grant'],
144 'url' => CRM_Utils_System
::url('civicrm/contact/view', 'reset=1&force=1&cid=$cid&selectedChild=grant'),
147 'title' => ts('PCPs'),
148 'tables' => ['civicrm_pcp'],
149 'url' => CRM_Utils_System
::url('civicrm/contribute/pcp/manage', 'reset=1'),
151 'rel_table_pledges' => [
152 'title' => ts('Pledges'),
153 'tables' => ['civicrm_pledge', 'civicrm_pledge_payment'],
154 'url' => CRM_Utils_System
::url('civicrm/contact/view', 'reset=1&force=1&cid=$cid&selectedChild=pledge'),
156 'rel_table_users' => [
158 'tables' => ['civicrm_uf_match'],
159 'url' => $userRecordUrl,
163 $relTables +
= self
::getMultiValueCustomSets('relTables');
165 // Allow hook_civicrm_merge() to adjust $relTables
166 CRM_Utils_Hook
::merge('relTables', $relTables);
168 // Cache the results in a static variable
169 Civi
::$statics[__CLASS__
]['relTables'] = $relTables;
172 return Civi
::$statics[__CLASS__
]['relTables'];
176 * Returns the related tables groups for which a contact has any info entered.
181 * @throws \CiviCRM_API3_Exception
183 public static function getActiveRelTables($cid) {
187 $relTables = self
::relTables();
188 $cidRefs = self
::cidRefs();
189 $eidRefs = self
::eidRefs();
190 foreach ($relTables as $group => $params) {
192 foreach ($params['tables'] as $table) {
193 if (isset($cidRefs[$table])) {
194 foreach ($cidRefs[$table] as $field) {
195 $sqls[] = "SELECT COUNT(*) AS count FROM $table WHERE $field = $cid";
198 if (isset($eidRefs[$table])) {
199 foreach ($eidRefs[$table] as $entityTable => $entityId) {
200 $sqls[] = "SELECT COUNT(*) AS count FROM $table WHERE $entityId = $cid AND $entityTable = 'civicrm_contact'";
203 foreach ($sqls as $sql) {
204 if (CRM_Core_DAO
::singleValueQuery($sql) > 0) {
210 return array_unique($groups);
214 * Get array tables and fields that reference civicrm_contact.id.
216 * This function calls the merge hook and only exists to wrap the DAO function to support that deprecated call.
217 * The entityTypes hook is the recommended way to add tables to this result.
219 * I thought about adding another hook to alter tableReferences but decided it was unclear if there
220 * are use cases not covered by entityTables and instead we should wait & see.
222 public static function cidRefs() {
223 if (isset(\Civi
::$statics[__CLASS__
]) && isset(\Civi
::$statics[__CLASS__
]['contact_references'])) {
224 return \Civi
::$statics[__CLASS__
]['contact_references'];
227 $contactReferences = $coreReferences = CRM_Core_DAO
::getReferencesToContactTable();
228 foreach (['civicrm_group_contact_cache', 'civicrm_acl_cache', 'civicrm_acl_contact_cache'] as $tableName) {
229 // Don't merge cache tables. These should be otherwise cleared at some point in the dedupe
230 // but they are prone to locking to let's not touch during the dedupe.
231 unset($contactReferences[$tableName], $coreReferences[$tableName]);
234 CRM_Utils_Hook
::merge('cidRefs', $contactReferences);
235 if ($contactReferences !== $coreReferences) {
236 CRM_Core_Error
::deprecatedWarning("Deprecated hook ::merge in context of 'cidRefs. Use entityTypes instead.");
238 \Civi
::$statics[__CLASS__
]['contact_references'] = $contactReferences;
239 return \Civi
::$statics[__CLASS__
]['contact_references'];
243 * Return tables and their fields referencing civicrm_contact.contact_id with entity_id
245 public static function eidRefs() {
248 // FIXME: this should be generated dynamically from the schema
249 // tables that reference contacts with entity_{id,table}
251 'civicrm_acl' => ['entity_table' => 'entity_id'],
252 'civicrm_acl_entity_role' => ['entity_table' => 'entity_id'],
253 'civicrm_entity_file' => ['entity_table' => 'entity_id'],
254 'civicrm_log' => ['entity_table' => 'entity_id'],
255 'civicrm_mailing_group' => ['entity_table' => 'entity_id'],
256 'civicrm_note' => ['entity_table' => 'entity_id'],
259 // Allow hook_civicrm_merge() to adjust $eidRefs
260 CRM_Utils_Hook
::merge('eidRefs', $eidRefs);
266 * Return tables using locations.
268 public static function locTables() {
271 $locTables = ['civicrm_email', 'civicrm_address', 'civicrm_phone'];
273 // Allow hook_civicrm_merge() to adjust $locTables
274 CRM_Utils_Hook
::merge('locTables', $locTables);
280 * We treat multi-valued custom sets as "related tables" similar to activities, contributions, etc.
282 * @param string $request
283 * 'relTables' or 'cidRefs'.
286 * @throws \CiviCRM_API3_Exception
289 public static function getMultiValueCustomSets($request) {
291 if (!isset(Civi
::$statics[__CLASS__
]['multiValueCustomSets'])) {
296 $result = civicrm_api3('custom_group', 'get', [
306 'return' => ['id', 'title', 'table_name', 'style'],
308 foreach ($result['values'] as $custom) {
309 $data['cidRefs'][$custom['table_name']] = ['entity_id'];
310 $urlSuffix = $custom['style'] === 'Tab' ?
'&selectedChild=custom_' . $custom['id'] : '';
311 $data['relTables']['rel_table_custom_' . $custom['id']] = [
312 'title' => $custom['title'],
313 'tables' => [$custom['table_name']],
314 'url' => CRM_Utils_System
::url('civicrm/contact/view', 'reset=1&force=1&cid=$cid' . $urlSuffix),
318 // Store the result in a static variable cache
319 Civi
::$statics[__CLASS__
]['multiValueCustomSets'] = $data;
322 return Civi
::$statics[__CLASS__
]['multiValueCustomSets'][$request];
326 * Tables which require custom processing should declare functions to call here.
327 * Doing so will override normal processing.
329 public static function cpTables() {
333 'civicrm_case_contact' => ['CRM_Case_BAO_Case' => 'mergeContacts'],
334 'civicrm_group_contact' => ['CRM_Contact_BAO_GroupContact' => 'mergeGroupContact'],
335 // Empty array == do nothing - this table is handled by mergeGroupContact
336 'civicrm_subscription_history' => [],
337 'civicrm_relationship' => ['CRM_Contact_BAO_Relationship' => 'mergeRelationships'],
338 'civicrm_membership' => ['CRM_Member_BAO_Membership' => 'mergeMemberships'],
345 * Return payment related table.
347 public static function paymentTables() {
350 $tables = ['civicrm_pledge', 'civicrm_membership', 'civicrm_participant'];
356 * Return payment update Query.
358 * @param string $tableName
359 * @param int $mainContactId
360 * @param int $otherContactId
364 public static function paymentSql($tableName, $mainContactId, $otherContactId) {
366 if (!$tableName ||
!$mainContactId ||
!$otherContactId) {
370 $paymentTables = self
::paymentTables();
371 if (!in_array($tableName, $paymentTables)) {
375 switch ($tableName) {
376 case 'civicrm_pledge':
378 UPDATE IGNORE civicrm_contribution contribution
379 INNER JOIN civicrm_pledge_payment payment ON ( payment.contribution_id = contribution.id )
380 INNER JOIN civicrm_pledge pledge ON ( pledge.id = payment.pledge_id )
381 SET contribution.contact_id = $mainContactId
382 WHERE pledge.contact_id = $otherContactId";
385 case 'civicrm_membership':
387 UPDATE IGNORE civicrm_contribution contribution
388 INNER JOIN civicrm_membership_payment payment ON ( payment.contribution_id = contribution.id )
389 INNER JOIN civicrm_membership membership ON ( membership.id = payment.membership_id )
390 SET contribution.contact_id = $mainContactId
391 WHERE membership.contact_id = $otherContactId";
394 case 'civicrm_participant':
396 UPDATE IGNORE civicrm_contribution contribution
397 INNER JOIN civicrm_participant_payment payment ON ( payment.contribution_id = contribution.id )
398 INNER JOIN civicrm_participant participant ON ( participant.id = payment.participant_id )
399 SET contribution.contact_id = $mainContactId
400 WHERE participant.contact_id = $otherContactId";
409 * @param int $otherId
410 * @param string $tableName
411 * @param array $tableOperations
412 * @param string $mode
416 public static function operationSql($mainId, $otherId, $tableName, $tableOperations = [], $mode = 'add') {
418 if (!$tableName ||
!$mainId ||
!$otherId) {
422 switch ($tableName) {
423 case 'civicrm_membership':
424 if (array_key_exists($tableName, $tableOperations) && $tableOperations[$tableName]['add']) {
427 if ($mode === 'add') {
429 DELETE membership1.* FROM civicrm_membership membership1
430 INNER JOIN civicrm_membership membership2 ON membership1.membership_type_id = membership2.membership_type_id
431 AND membership1.contact_id = {$mainId}
432 AND membership2.contact_id = {$otherId} ";
434 if ($mode === 'payment') {
436 DELETE contribution.* FROM civicrm_contribution contribution
437 INNER JOIN civicrm_membership_payment payment ON payment.contribution_id = contribution.id
438 INNER JOIN civicrm_membership membership1 ON membership1.id = payment.membership_id
439 AND membership1.contact_id = {$mainId}
440 INNER JOIN civicrm_membership membership2 ON membership1.membership_type_id = membership2.membership_type_id
441 AND membership2.contact_id = {$otherId}";
445 case 'civicrm_uf_match':
446 // normal queries won't work for uf_match since that will lead to violation of unique constraint,
447 // failing to meet intended result. Therefore we introduce this additional query:
448 $sqls[] = "DELETE FROM civicrm_uf_match WHERE contact_id = {$mainId}";
456 * Based on the provided two contact_ids and a set of tables, remove the
457 * belongings of the other contact and of their relations.
459 * @param int $otherID
460 * @param array $tables
462 * @throws \CiviCRM_API3_Exception
464 public static function removeContactBelongings($otherID, $tables) {
465 // CRM-20421: Removing Inherited memberships when memberships of parent are not migrated to new contact.
466 if (in_array('civicrm_membership', $tables, TRUE)) {
467 $membershipIDs = CRM_Utils_Array
::collect('id',
468 CRM_Utils_Array
::value('values',
469 civicrm_api3('Membership', "get", [
470 'contact_id' => $otherID,
476 if (!empty($membershipIDs)) {
477 civicrm_api3('Membership', 'get', [
478 'owner_membership_id' => ['IN' => $membershipIDs],
479 'api.Membership.delete' => ['id' => '$value.id'],
486 * Based on the provided two contact_ids and a set of tables, move the
487 * belongings of the other contact to the main one.
489 * @param CRM_Dedupe_MergeHandler $mergeHandler
490 * @param array $tables
491 * @param array $tableOperations
493 * @throws \API_Exception
494 * @throws \CiviCRM_API3_Exception
495 * @throws \Civi\API\Exception\UnauthorizedException
497 public static function moveContactBelongings($mergeHandler, $tables, $tableOperations) {
498 $mainId = $mergeHandler->getToKeepID();
499 $otherId = $mergeHandler->getToRemoveID();
500 $cidRefs = self
::cidRefs();
501 $eidRefs = $mergeHandler->getTablesDynamicallyRelatedToContactTable();
502 $dynamicRefs = CRM_Core_DAO
::getDynamicReferencesToTable('civicrm_contact');
503 $cpTables = self
::cpTables();
504 $paymentTables = self
::paymentTables();
505 self
::filterRowBasedCustomDataFromCustomTables($cidRefs);
507 $affected = array_merge(array_keys($cidRefs), array_keys($eidRefs));
509 // if there aren't any specific tables, don't affect the ones handled by relTables()
510 // also don't affect tables in locTables() CRM-15658
511 $relTables = self
::relTables();
512 // These arrays don't make a lot of sense. For now ensure the tested handling of tags works...
513 // it is moved over further down....
514 unset($relTables['rel_table_tags']);
515 $handled = self
::locTables();
517 foreach ($relTables as $params) {
518 $handled = array_merge($handled, $params['tables']);
520 $affected = array_diff($affected, $handled);
521 $affected = array_unique(array_merge($affected, $tables));
523 $mainId = (int) $mainId;
524 $otherId = (int) $otherId;
527 foreach ($affected as $table) {
528 // Call custom processing function for objects that require it
529 if (isset($cpTables[$table])) {
530 foreach ($cpTables[$table] as $className => $fnName) {
531 $className::$fnName($mainId, $otherId, $sqls, $tables, $tableOperations);
533 // Skip normal processing
537 if ($table === 'civicrm_activity_contact') {
538 $sqls[] = "UPDATE IGNORE civicrm_activity_contact SET contact_id = $mainId WHERE contact_id = $otherId";
539 $sqls[] = "DELETE FROM civicrm_activity_contact WHERE contact_id = $otherId";
543 if ($table === 'civicrm_dashboard_contact') {
544 $sqls[] = "UPDATE IGNORE civicrm_dashboard_contact SET contact_id = $mainId WHERE contact_id = $otherId";
545 $sqls[] = "DELETE FROM civicrm_dashboard_contact WHERE contact_id = $otherId";
549 if ($table === 'civicrm_dedupe_exception') {
550 $sqls[] = "UPDATE IGNORE civicrm_dedupe_exception SET contact_id1 = $mainId WHERE contact_id1 = $otherId";
551 $sqls[] = "UPDATE IGNORE civicrm_dedupe_exception SET contact_id2 = $mainId WHERE contact_id2 = $otherId";
552 $sqls[] = "DELETE FROM civicrm_dedupe_exception WHERE contact_id1 = $otherId OR contact_id2 = $otherId";
556 if ($table === 'civicrm_setting') {
557 // Per https://lab.civicrm.org/dev/core/-/issues/1934
558 // Note this line is not unit tested as yet as a quick-fix for a regression
559 // but it would be better to do a SELECT request & only update if needed (as a general rule
560 // more selects & less UPDATES will result in less deadlocks while de-duping.
561 // Note the delete is not important here - it can stay with the deleted contact on the
562 // off chance they get restored.
563 $sqls[] = "UPDATE IGNORE civicrm_setting SET contact_id = $mainId WHERE contact_id = $otherId";
567 // use UPDATE IGNORE + DELETE query pair to skip on situations when
568 // there's a UNIQUE restriction on ($field, some_other_field) pair
569 if (isset($cidRefs[$table])) {
570 foreach ($cidRefs[$table] as $field) {
571 // carry related contributions CRM-5359
572 if (in_array($table, $paymentTables)) {
573 $paymentSqls = self
::paymentSql($table, $mainId, $otherId);
574 $sqls = array_merge($sqls, $paymentSqls);
576 if (!empty($tables) && !in_array('civicrm_contribution', $tables)) {
577 $payOprSqls = self
::operationSql($mainId, $otherId, $table, $tableOperations, 'payment');
578 $sqls = array_merge($sqls, $payOprSqls);
582 $preOperationSqls = self
::operationSql($mainId, $otherId, $table, $tableOperations);
583 $sqls = array_merge($sqls, $preOperationSqls);
584 $sqls[] = "UPDATE $table SET $field = $mainId WHERE $field = $otherId";
588 if (isset($eidRefs[$table])) {
589 foreach ($dynamicRefs[$table] as $dynamicRef) {
590 $sqls[] = "UPDATE IGNORE $table SET {$dynamicRef[0]}= $mainId WHERE {$dynamicRef[0]} = $otherId AND {$dynamicRef[1]} = 'civicrm_contact'";
591 $sqls[] = "DELETE FROM $table WHERE {$dynamicRef[0]} = $otherId AND {$dynamicRef[1]} = 'civicrm_contact'";
596 // Allow hook_civicrm_merge() to add SQL statements for the merge operation.
597 CRM_Utils_Hook
::merge('sqls', $sqls, $mainId, $otherId, $tables);
599 foreach ($sqls as $sql) {
600 CRM_Core_DAO
::executeQuery($sql, [], TRUE, NULL, TRUE);
602 CRM_Dedupe_Merger
::addMembershipToRealtedContacts($mainId);
606 * Filter out custom tables from cidRefs unless they are there due to a contact reference or are a multiple set.
608 * The only fields where we want to move the data by sql is where entity reference fields
609 * on another contact refer to the contact being merged, or it is a multiple record set.
610 * The transference of custom data from one contact to another is done in 2 other places in the dedupe process but should
611 * not be done in moveAllContactData.
613 * Note it's a bit silly the way we build & then cull cidRefs - however, poor hook placement means that
614 * until we fully deprecate calling the hook from cidRefs we are stuck.
616 * It was deprecated in code (via deprecation notices if people altered it) in Mar 2019 but in docs only in Apri 2020.
618 * @param array $cidRefs
620 * @throws \API_Exception
621 * @throws \Civi\API\Exception\UnauthorizedException
623 protected static function filterRowBasedCustomDataFromCustomTables(array &$cidRefs) {
624 $customTables = (array) CustomGroup
::get(FALSE)
625 ->setSelect(['table_name'])
626 ->addWhere('is_multiple', '=', 0)
627 ->addWhere('extends', 'IN', array_merge(['Contact'], CRM_Contact_BAO_ContactType
::contactTypes()))
629 ->indexBy('table_name');
630 foreach (array_intersect_key($cidRefs, $customTables) as $tableName => $cidSpec) {
631 if (in_array('entity_id', $cidSpec, TRUE)) {
632 unset($cidRefs[$tableName][array_search('entity_id', $cidSpec, TRUE)]);
634 if (empty($cidRefs[$tableName])) {
635 unset($cidRefs[$tableName]);
641 * Update the contact with the new parameters.
643 * This function is intended as an interim function, with the intent being
646 * The function was calling the rather-terrifying createProfileContact. I copied all
647 * that code into this function and then removed all the parts that have no effect in this scenario.
649 * @param int $contactID
650 * @param array $params
652 * @throws \CRM_Core_Exception
653 * @throws \CiviCRM_API3_Exception
654 * @throws \Civi\API\Exception\UnauthorizedException
656 protected static function createContact($contactID, $params) {
657 // This parameter causes blank fields to be be emptied out.
658 // We can probably remove.
659 $params['updateBlankLocInfo'] = TRUE;
660 list($data) = CRM_Contact_BAO_Contact
::formatProfileContactParams($params, [], $contactID);
661 CRM_Contact_BAO_Contact
::create($data);
665 * Given a contact ID, will check if a record exists in given table.
667 * @param int $contactID
668 * @param string $table
669 * @param string $idField
670 * Field where the contact's ID is stored in the table
673 * True if a record is found for the given contact ID, false otherwise
675 private static function customRecordExists($contactID, $table, $idField) {
677 SELECT COUNT(*) AS count
679 WHERE $idField = $contactID
681 $dbResult = CRM_Core_DAO
::executeQuery($sql);
684 if ($dbResult->count
> 0) {
692 * Load all non-empty fields for the contacts
696 * @param array $other
701 * @throws \CRM_Core_Exception
703 public static function retrieveFields($main, $other) {
708 foreach (self
::getContactFields() as $validField) {
709 // CRM-17556 Get all non-empty fields, to make comparison easier
710 if (!empty($main[$validField]) ||
!empty($other[$validField])) {
711 $result['contact'][] = $validField;
715 $mainEvs = CRM_Core_BAO_CustomValueTable
::getEntityValues($main['id']);
716 $otherEvs = CRM_Core_BAO_CustomValueTable
::getEntityValues($other['id']);
717 $keys = array_unique(array_merge(array_keys($mainEvs), array_keys($otherEvs)));
718 foreach ($keys as $key) {
719 // Exclude multi-value fields CRM-13836
720 if (strpos($key, '_')) {
723 $key1 = $mainEvs[$key] ??
NULL;
724 $key2 = $otherEvs[$key] ??
NULL;
725 // We wish to retain '0' as it has a different meaning than NULL on a checkbox.
726 // However I can't think of a case where an empty string is more meaningful than null
727 // or where it would be FALSE or something else nullish.
728 $valuesToIgnore = [NULL, '', []];
729 if (!in_array($key1, $valuesToIgnore, TRUE) ||
!in_array($key2, $valuesToIgnore, TRUE)) {
730 $result['custom'][] = $key;
737 * Batch merge a set of contacts based on rule-group and group.
743 * @param string $mode
744 * Helps decide how to behave when there are conflicts.
745 * A 'safe' value skips the merge if there are any un-resolved conflicts, wheras 'aggressive'
746 * mode does a force merge.
747 * @param int $batchLimit number of merges to carry out in one batch.
748 * @param int $isSelected if records with is_selected column needs to be processed.
749 * Note the option of '2' is only used in conjunction with $redirectForPerformance
750 * to determine when to reload the cache (!). The use of anything other than a boolean is being grandfathered
751 * out in favour of explicitly passing in $reloadCacheIfEmpty
753 * @param array $criteria
754 * Criteria to use in the filter.
756 * @param bool $checkPermissions
757 * Respect logged in user permissions.
758 * @param bool|NULL $reloadCacheIfEmpty
759 * If not set explicitly this is calculated but it is preferred that it be set
760 * per comments on isSelected above.
762 * @param int $searchLimit
763 * Limit on number of contacts to search for duplicates for.
764 * This means that if the limit is 1000 then only duplicates for the first 1000 contacts
765 * matching criteria will be found and batchMerged (the number of merges could be less than or greater than 100)
769 * @throws \CRM_Core_Exception
770 * @throws \CiviCRM_API3_Exception
771 * @throws \API_Exception
773 public static function batchMerge($rgid, $gid = NULL, $mode = 'safe', $batchLimit = 1, $isSelected = 2, $criteria = [], $checkPermissions = TRUE, $reloadCacheIfEmpty = NULL, $searchLimit = 0) {
774 $redirectForPerformance = $batchLimit > 1;
775 if ($mode === 'aggressive' && $checkPermissions && !CRM_Core_Permission
::check('force merge duplicate contacts')) {
776 throw new CRM_Core_Exception(ts('Insufficient permissions for aggressive mode batch merge'));
778 if (!isset($reloadCacheIfEmpty)) {
779 $reloadCacheIfEmpty = (!$redirectForPerformance && $isSelected == 2);
781 if ($isSelected !== 0 && $isSelected !== 1) {
782 // explicitly set to NULL if not 1 or 0 as part of grandfathering out the mystical '2' value.
785 $dupePairs = self
::getDuplicatePairs($rgid, $gid, $reloadCacheIfEmpty, $batchLimit, $isSelected, ($mode === 'aggressive'), $criteria, $checkPermissions, $searchLimit);
788 'cache_key_string' => self
::getMergeCacheKeyString($rgid, $gid, $criteria, $checkPermissions, $searchLimit),
789 // @todo stop passing these parameters in & instead calculate them in the merge function based
790 // on the 'real' params like $isRespectExclusions $batchLimit and $isSelected.
791 'join' => self
::getJoinOnDedupeTable(),
792 'where' => self
::getWhereString($isSelected),
793 'limit' => (int) $batchLimit,
795 return CRM_Dedupe_Merger
::merge($dupePairs, $cacheParams, $mode, $redirectForPerformance, $checkPermissions);
799 * Get the string to join the prevnext cache to the dedupe table.
802 * The join string to join prevnext cache on the dedupe table.
804 public static function getJoinOnDedupeTable() {
806 LEFT JOIN civicrm_dedupe_exception de
808 pn.entity_id1 = de.contact_id1
809 AND pn.entity_id2 = de.contact_id2 )
814 * Get where string for dedupe join.
816 * @param bool $isSelected
820 protected static function getWhereString($isSelected) {
821 $where = 'de.id IS NULL';
822 if ($isSelected === 0 ||
$isSelected === 1) {
823 $where .= " AND pn.is_selected = {$isSelected}";
829 * Update the statistics for the merge set.
831 * @param string $cacheKeyString
832 * @param array $result
834 * @throws \CiviCRM_API3_Exception
836 public static function updateMergeStats($cacheKeyString, $result = []) {
837 // gather latest stats
838 $merged = count($result['merged']);
839 $skipped = count($result['skipped']);
841 if ($merged <= 0 && $skipped <= 0) {
845 // get previous stats
846 $previousStats = CRM_Dedupe_Merger
::getMergeStats($cacheKeyString);
847 if (!empty($previousStats)) {
848 if ($previousStats['merged']) {
849 $merged = $merged +
$previousStats['merged'];
851 if ($previousStats['skipped']) {
852 $skipped = $skipped +
$previousStats['skipped'];
857 CRM_Dedupe_Merger
::resetMergeStats($cacheKeyString);
859 // store the updated stats
861 'merged' => (int) $merged,
862 'skipped' => (int) $skipped,
865 CRM_Core_DAO
::executeQuery("INSERT INTO civicrm_prevnext_cache (entity_table, entity_id1, entity_id2, cacheKey, data) VALUES
866 ('civicrm_contact', 0, 0, %1, %2)", [1 => [$cacheKeyString . '_stats', 'String'], 2 => [serialize($data), 'String']]);
870 * Delete information about merges for the given string.
872 * @param $cacheKeyString
874 public static function resetMergeStats($cacheKeyString) {
875 CRM_Core_BAO_PrevNextCache
::deleteItem(NULL, "{$cacheKeyString}_stats");
879 * Get merge outcome statistics.
881 * @param string $cacheKeyString
884 * Array of how many were merged and how many were skipped.
886 * @throws \CiviCRM_API3_Exception
888 public static function getMergeStats($cacheKeyString) {
889 $stats = civicrm_api3('Dedupe', 'get', ['cachekey' => "{$cacheKeyString}_stats", 'sequential' => 1])['values'];
890 if (!empty($stats)) {
891 return $stats[0]['data'];
897 * Get merge statistics message.
899 * @param array $stats
903 public static function getMergeStatsMsg($stats) {
905 if (!empty($stats['merged'])) {
906 $msg = '<p>' . ts('One contact merged.', [
907 'count' => $stats['merged'],
908 'plural' => '%count contacts merged.',
911 if (!empty($stats['skipped'])) {
912 $msg .= '<p>' . ts('One contact was skipped.', [
913 'count' => $stats['skipped'],
914 'plural' => '%count contacts were skipped.',
921 * Merge given set of contacts. Performs core operation.
923 * @param array $dupePairs
924 * Set of pair of contacts for whom merge is to be done.
925 * @param array $cacheParams
926 * Prev-next-cache params based on which next pair of contacts are computed.
927 * Generally used with batch-merge.
928 * @param string $mode
929 * Helps decide how to behave when there are conflicts.
930 * A 'safe' value skips the merge if there are any un-resolved conflicts.
931 * Does a force merge otherwise (aggressive mode).
933 * @param bool $redirectForPerformance
934 * Redirect to a url for batch processing.
936 * @param bool $checkPermissions
937 * Respect logged in user permissions.
941 * @throws \API_Exception
942 * @throws \CRM_Core_Exception
943 * @throws \CiviCRM_API3_Exception
945 public static function merge($dupePairs = [], $cacheParams = [], $mode = 'safe',
946 $redirectForPerformance = FALSE, $checkPermissions = TRUE
948 $cacheKeyString = $cacheParams['cache_key_string'] ??
NULL;
949 $resultStats = ['merged' => [], 'skipped' => []];
951 // we don't want dupe caching to get reset after every-merge, and therefore set the
952 CRM_Core_Config
::setPermitCacheFlushMode(FALSE);
953 $deletedContacts = [];
955 while (!empty($dupePairs)) {
956 foreach ($dupePairs as $index => $dupes) {
957 if (in_array($dupes['dstID'], $deletedContacts) ||
in_array($dupes['srcID'], $deletedContacts)) {
958 unset($dupePairs[$index]);
961 CRM_Utils_Hook
::merge('flip', $dupes, $dupes['dstID'], $dupes['srcID']);
962 if (($result = self
::dedupePair((int) $dupes['dstID'], (int) $dupes['srcID'], $mode, $checkPermissions, $cacheKeyString)) === FALSE) {
963 unset($dupePairs[$index]);
966 if (!empty($result['merged'])) {
967 $deletedContacts[] = $result['merged'][0]['other_id'];
968 $resultStats['merged'][] = ($result['merged'][0]);
971 $resultStats['skipped'][] = ($result['skipped'][0]);
975 if ($cacheKeyString && !$redirectForPerformance) {
976 // retrieve next pair of dupes
977 // @todo call getDuplicatePairs.
978 $dupePairs = CRM_Core_BAO_PrevNextCache
::retrieve($cacheKeyString,
979 $cacheParams['join'],
980 $cacheParams['where'],
982 $cacheParams['limit'],
989 // do not proceed. Terminate the loop
994 CRM_Dedupe_Merger
::updateMergeStats($cacheKeyString, $resultStats);
999 * A function which uses various rules / algorithms for choosing which contact to bias to
1000 * when there's a conflict (to handle "gotchas"). Plus the safest route to merge.
1002 * @param int $mainId
1003 * Main contact with whom merge has to happen.
1004 * @param int $otherId
1005 * Duplicate contact which would be deleted after merge operation.
1006 * @param array $migrationInfo
1007 * Array of information about which elements to merge.
1008 * @param string $mode
1009 * Helps decide how to behave when there are conflicts.
1010 * - A 'safe' value skips the merge if there are any un-resolved conflicts.
1011 * - Does a force merge otherwise (aggressive mode).
1013 * @param array $conflicts
1014 * An empty array to be filed with conflict information.
1018 * @throws \CRM_Core_Exception
1019 * @throws \CiviCRM_API3_Exception
1020 * @throws \API_Exception
1022 public static function skipMerge($mainId, $otherId, &$migrationInfo, $mode = 'safe', &$conflicts = []) {
1024 $conflicts = self
::getConflicts($migrationInfo, $mainId, $otherId, $mode)['conflicts'];
1025 // A hook could have set skip_merge in order to alter merge behaviour.
1026 // This is a something we might ideally deprecate since they really 'should'
1027 // mess with the conflicts array instead.
1028 return (bool) ($migrationData['skip_merge'] ??
!empty($conflicts));
1032 * Compare 2 addresses to see if they are the effectively the same.
1034 * Being the same would mean same location type and any populated fields that describe the locationn match.
1036 * Metadata fields such as is_primary, on_hold, manual_geocode may differ.
1038 * @param array $mainAddress
1039 * @param array $comparisonAddress
1043 public static function locationIsSame($mainAddress, $comparisonAddress) {
1044 $keysToIgnore = self
::ignoredFields();
1045 foreach ($comparisonAddress as $field => $value) {
1046 if (in_array($field, $keysToIgnore)) {
1049 if ((!empty($value) ||
$value === '0') && isset($mainAddress[$field]) && $mainAddress[$field] != $value) {
1057 * Does the location array have valid data.
1059 * While not UI-creatable some sites wind up with email or address rows with no actual email or address
1060 * through non core-UI processes.
1062 * @param array $location
1066 public static function locationHasData($location) {
1067 return !empty(self
::getLocationDataFields($location));
1071 * Get the location data from a location array, filtering out metadata.
1073 * This returns data like street_address but not metadata like is_primary, on_hold etc.
1075 * @param array $location
1079 public static function getLocationDataFields($location) {
1080 $keysToIgnore = array_merge(self
::ignoredFields(), ['display', 'location_type_id']);
1081 foreach ($location as $field => $value) {
1082 if (in_array($field, $keysToIgnore, TRUE)) {
1083 unset($location[$field]);
1090 * A function to build an array of information about location blocks that is
1091 * required when merging location fields
1095 public static function getLocationBlockInfo() {
1098 'label' => 'Address',
1099 'displayField' => 'display',
1100 'sortString' => 'location_type_id',
1101 'hasLocation' => TRUE,
1106 'displayField' => 'display',
1107 'sortString' => 'location_type_id',
1108 'hasLocation' => TRUE,
1113 'displayField' => 'name',
1114 'sortString' => 'location_type_id,provider_id',
1115 'hasLocation' => TRUE,
1116 'hasType' => 'provider_id',
1120 'displayField' => 'phone',
1121 'sortString' => 'location_type_id,phone_type_id',
1122 'hasLocation' => TRUE,
1123 'hasType' => 'phone_type_id',
1126 'label' => 'Website',
1127 'displayField' => 'url',
1128 'sortString' => 'website_type_id',
1129 'hasLocation' => FALSE,
1130 'hasType' => 'website_type_id',
1136 * A function to build an array of information required by merge function and the merge UI.
1138 * @param int $mainId
1139 * Main contact with whom merge has to happen.
1140 * @param int $otherId
1141 * Duplicate contact which would be deleted after merge operation.
1142 * @param bool $checkPermissions
1143 * Should the logged in user's permissions be ignore. Setting this to false is
1144 * highly risky as it could cause data to be lost due to conflicts not showing up.
1145 * OTOH there is a risk a merger might view custom data they do not have permission to.
1146 * Hence for now only making this really explicit and making it reflect perms in
1149 * @todo review permissions issue!
1151 * @return array|bool|int
1153 * rows => An array of arrays, each is row of merge information for the table
1154 * Format: move_fieldname, eg: move_contact_type
1155 * main => Value associated with the main contact
1156 * other => Value associated with the other contact
1157 * title => The title of the field to display in the merge table
1159 * elements => An array of form elements for the merge UI
1161 * rel_tables => Stores the tables that have related entities for the contact
1162 * for example mailings, groups
1164 * main_details => An array of core contact field values, eg: first_name, etc.
1165 * location_blocks => An array of location block data for the main contact
1166 * stored as the 'result' of an API call.
1167 * eg: main_details['location_blocks']['address'][0]['id']
1168 * eg: main_details['location_blocks']['email'][1]['id']
1170 * other_details => As above, but for the 'other' contact
1172 * migration_info => Stores the 'default' merge actions for each field which
1173 * is used when programatically merging contacts. It contains instructions
1174 * to move all fields from the 'other' contact to the 'main' contact, as
1175 * though the form had been submitted with those options.
1177 * @throws \CRM_Core_Exception
1178 * @throws \CiviCRM_API3_Exception
1180 public static function getRowsElementsAndInfo($mainId, $otherId, $checkPermissions = TRUE) {
1181 $qfZeroBug = 'e8cddb72-a257-11dc-b9cc-0016d3330ee9';
1182 $fields = self
::getMergeFieldsMetadata();
1184 $main = self
::getMergeContactDetails($mainId);
1185 $other = self
::getMergeContactDetails($otherId);
1187 $compareFields = self
::retrieveFields($main, $other);
1189 $rows = $elements = $migrationInfo = [];
1191 foreach ($compareFields['contact'] as $field) {
1192 if ($field === 'contact_sub_type') {
1193 // CRM-15681 don't display sub-types in UI
1196 $rows["move_$field"] = [
1197 'main' => self
::getFieldValueAndLabel($field, $main)['label'],
1198 'other' => self
::getFieldValueAndLabel($field, $other)['label'],
1199 'title' => $fields[$field]['html']['label'] ??
$fields[$field]['title'],
1202 $value = self
::getFieldValueAndLabel($field, $other)['value'];
1204 if ($value === NULL ||
$value == '') {
1207 if ($value === 0 or $value === '0') {
1208 $value = $qfZeroBug;
1210 if (is_array($value) && empty($value[1])) {
1214 // Display a checkbox to migrate, only if the values are different
1215 if ($value != $main[$field]) {
1223 'is_checked' => (!isset($main[$field]) ||
$main[$field] === ''),
1227 $migrationInfo["move_$field"] = $value;
1230 // Handle location blocks.
1231 // @todo OpenID not in API yet, so is not supported here.
1233 // Set up useful information about the location blocks
1234 $locationBlocks = self
::getLocationBlockInfo();
1236 $locations = ['main' => [], 'other' => []];
1238 foreach ($locationBlocks as $blockName => $blockInfo) {
1239 list($locations, $rows, $elements, $migrationInfo) = self
::addLocationFieldInfo($mainId, $otherId, $blockInfo, $blockName, $locations, $rows, $elements, $migrationInfo);
1240 } // End loop through each location block entity
1242 // add the related tables and unset the ones that don't sport any of the duplicate contact's info
1243 $mergeHandler = new CRM_Dedupe_MergeHandler((int) $mainId, (int) $otherId);
1244 $relTables = $mergeHandler->getTablesRelatedToTheMergePair();
1245 foreach ($relTables as $name => $null) {
1246 $migrationInfo["move_$name"] = 1;
1248 $relTables[$name]['main_url'] = str_replace('$cid', $mainId, $relTables[$name]['url']);
1249 $relTables[$name]['other_url'] = str_replace('$cid', $otherId, $relTables[$name]['url']);
1250 if ($name === 'rel_table_users') {
1251 // @todo - this user url stuff is only needed for the form layer - move to CRM_Contact_Form_Merge
1252 $relTables[$name]['main_url'] = str_replace('%ufid', CRM_Core_BAO_UFMatch
::getUFId($mainId), $relTables[$name]['url']);
1253 $relTables[$name]['other_url'] = str_replace('%ufid', CRM_Core_BAO_UFMatch
::getUFId($otherId), $relTables[$name]['url']);
1255 if ($name === 'rel_table_memberships') {
1256 //Enable 'add new' checkbox if main contact does not contain any membership similar to duplicate contact.
1257 $attributes = ['checked' => 'checked'];
1258 $otherContactMemberships = CRM_Member_BAO_Membership
::getAllContactMembership($otherId);
1259 foreach ($otherContactMemberships as $membership) {
1260 $mainMembership = CRM_Member_BAO_Membership
::getContactMembership($mainId, $membership['membership_type_id'], FALSE);
1261 if ($mainMembership) {
1267 "operation[move_{$name}][add]",
1272 $migrationInfo["operation"]["move_{$name}"]['add'] = 1;
1275 foreach ($relTables as $name => $null) {
1276 $relTables["move_$name"] = $relTables[$name];
1277 unset($relTables[$name]);
1280 // handle custom fields
1281 $mainTree = CRM_Core_BAO_CustomGroup
::getTree($main['contact_type'], NULL, $mainId, -1,
1282 CRM_Utils_Array
::value('contact_sub_type', $main), NULL, TRUE, NULL, TRUE, $checkPermissions
1284 $otherTree = CRM_Core_BAO_CustomGroup
::getTree($main['contact_type'], NULL, $otherId, -1,
1285 CRM_Utils_Array
::value('contact_sub_type', $other), NULL, TRUE, NULL, TRUE, $checkPermissions
1288 foreach ($otherTree as $gid => $group) {
1289 if (!isset($group['fields'])) {
1293 foreach ($group['fields'] as $fid => $field) {
1294 $mainContactValue = $mainTree[$gid]['fields'][$fid]['customValue'] ??
NULL;
1295 $otherContactValue = $otherTree[$gid]['fields'][$fid]['customValue'] ??
NULL;
1296 if (in_array($fid, $compareFields['custom'])) {
1297 $rows["custom_group_$gid"]['title'] = $rows["custom_group_$gid"]['title'] ??
$group['title'];
1299 if ($mainContactValue) {
1300 foreach ($mainContactValue as $valueId => $values) {
1301 $rows["move_custom_$fid"]['main'] = CRM_Core_BAO_CustomField
::displayValue($values['data'], $fid);
1305 if ($otherContactValue) {
1306 foreach ($otherContactValue as $valueId => $values) {
1307 $rows["move_custom_$fid"]['other'] = CRM_Core_BAO_CustomField
::displayValue($values['data'], $fid);
1308 if ($values['data'] === 0 ||
$values['data'] === '0') {
1309 $values['data'] = $qfZeroBug;
1311 $value = ($values['data']) ?
$values['data'] : $value;
1314 $rows["move_custom_$fid"]['title'] = $field['label'];
1318 1 => "move_custom_$fid",
1323 'is_checked' => (!isset($rows["move_custom_$fid"]['main']) ||
$rows["move_custom_$fid"]['main'] === ''),
1325 $migrationInfo["move_custom_$fid"] = $value;
1332 'elements' => $elements,
1333 'rel_tables' => $relTables,
1334 'main_details' => $main,
1335 'other_details' => $other,
1336 'migration_info' => $migrationInfo,
1339 $result['main_details']['location_blocks'] = $locations['main'];
1340 $result['other_details']['location_blocks'] = $locations['other'];
1346 * Based on the provided two contact_ids and a set of tables, move the belongings of the
1347 * other contact to the main one - be it Location / CustomFields or Contact .. related info.
1348 * A superset of moveContactBelongings() function.
1350 * @param int $mainId
1351 * Main contact with whom merge has to happen.
1352 * @param int $otherId
1353 * Duplicate contact which would be deleted after merge operation.
1355 * @param array $migrationInfo
1357 * @param bool $checkPermissions
1358 * Respect logged in user permissions.
1362 * @throws \API_Exception
1363 * @throws \CRM_Core_Exception
1364 * @throws \CiviCRM_API3_Exception
1365 * @throws \Civi\API\Exception\UnauthorizedException
1367 public static function moveAllBelongings($mainId, $otherId, $migrationInfo, $checkPermissions = TRUE) {
1368 if (empty($migrationInfo)) {
1371 // Encapsulate in a transaction to avoid half-merges.
1372 $transaction = new CRM_Core_Transaction();
1374 $contactType = $migrationInfo['main_details']['contact_type'];
1375 $relTables = CRM_Dedupe_Merger
::relTables();
1376 $submittedCustomFields = $moveTables = $tableOperations = $removeTables = [];
1378 self
::swapOutFieldsAffectedByQFZeroBug($migrationInfo);
1379 foreach ($migrationInfo as $key => $value) {
1381 if (substr($key, 0, 12) === 'move_custom_' && $value != NULL) {
1382 $submitted[substr($key, 5)] = $value;
1383 $submittedCustomFields[] = substr($key, 12);
1385 elseif (in_array(substr($key, 5), CRM_Dedupe_Merger
::getContactFields()) && $value != NULL) {
1386 $submitted[substr($key, 5)] = $value;
1388 elseif (substr($key, 0, 15) === 'move_rel_table_' and $value == '1') {
1389 $moveTables = array_merge($moveTables, $relTables[substr($key, 5)]['tables']);
1390 if (array_key_exists('operation', $migrationInfo)) {
1391 foreach ($relTables[substr($key, 5)]['tables'] as $table) {
1392 if (array_key_exists($key, $migrationInfo['operation'])) {
1393 $tableOperations[$table] = $migrationInfo['operation'][$key];
1398 elseif (substr($key, 0, 15) === 'move_rel_table_' and $value == '0') {
1399 $removeTables = array_merge($moveTables, $relTables[substr($key, 5)]['tables']);
1402 $mergeHandler = new CRM_Dedupe_MergeHandler((int) $mainId, (int) $otherId);
1403 $mergeHandler->setMigrationInfo($migrationInfo);
1404 self
::mergeLocations($mergeHandler);
1406 // **** Do contact related migrations
1407 // @todo - move all custom field processing to the move class & eventually have an
1408 // overridable DAO class for it.
1409 $customFieldBAO = new CRM_Core_BAO_CustomField();
1410 $customFieldBAO->move($otherId, $mainId, $submittedCustomFields);
1411 // add the related tables and unset the ones that don't sport any of the duplicate contact's info
1413 CRM_Dedupe_Merger
::moveContactBelongings($mergeHandler, $moveTables, $tableOperations);
1414 unset($moveTables, $tableOperations);
1416 // **** Do table related removals
1417 if (!empty($removeTables)) {
1419 CRM_Dedupe_Merger
::removeContactBelongings($otherId, $removeTables);
1423 // FIXME: fix gender, prefix and postfix, so they're edible by createProfileContact()
1424 $names['gender'] = ['newName' => 'gender_id', 'groupName' => 'gender'];
1425 $names['individual_prefix'] = [
1426 'newName' => 'prefix_id',
1427 'groupName' => 'individual_prefix',
1429 $names['individual_suffix'] = [
1430 'newName' => 'suffix_id',
1431 'groupName' => 'individual_suffix',
1433 $names['communication_style'] = [
1434 'newName' => 'communication_style_id',
1435 'groupName' => 'communication_style',
1437 $names['addressee'] = [
1438 'newName' => 'addressee_id',
1439 'groupName' => 'addressee',
1441 $names['email_greeting'] = [
1442 'newName' => 'email_greeting_id',
1443 'groupName' => 'email_greeting',
1445 $names['postal_greeting'] = [
1446 'newName' => 'postal_greeting_id',
1447 'groupName' => 'postal_greeting',
1449 CRM_Core_OptionGroup
::lookupValues($submitted, $names, TRUE);
1450 // fix custom fields so they're edible by createProfileContact()
1451 $cFields = self
::getCustomFieldMetadata($contactType);
1453 if (!isset($submitted)) {
1456 foreach ($submitted as $key => $value) {
1457 list($cFields, $submitted) = self
::processCustomFields($mainId, $key, $cFields, $submitted, $value);
1460 // move view only custom fields CRM-5362
1461 $viewOnlyCustomFields = [];
1462 foreach ($submitted as $key => $value) {
1463 $fid = CRM_Core_BAO_CustomField
::getKeyID($key);
1464 if ($fid && array_key_exists($fid, $cFields) && !empty($cFields[$fid]['attributes']['is_view'])
1466 $viewOnlyCustomFields[$key] = $value;
1469 // special case to set values for view only, CRM-5362
1470 if (!empty($viewOnlyCustomFields)) {
1471 $viewOnlyCustomFields['entityID'] = $mainId;
1472 CRM_Core_BAO_CustomValueTable
::setValues($viewOnlyCustomFields);
1475 // dev/core#996 Ensure that the earliest created date is stored against the kept contact id
1476 $mainCreatedDate = civicrm_api3('Contact', 'getsingle', [
1478 'return' => ['created_date'],
1480 $otherCreatedDate = civicrm_api3('Contact', 'getsingle', [
1482 'return' => ['created_date'],
1484 if ($otherCreatedDate < $mainCreatedDate && !empty($otherCreatedDate)) {
1485 CRM_Core_DAO
::executeQuery("UPDATE civicrm_contact SET created_date = %1 WHERE id = %2", [
1486 1 => [$otherCreatedDate, 'String'],
1487 2 => [$mainId, 'Positive'],
1491 if (!$checkPermissions ||
(CRM_Core_Permission
::check('merge duplicate contacts') &&
1492 CRM_Core_Permission
::check('delete contacts'))
1494 // if ext id is submitted then set it null for contact to be deleted
1495 if (!empty($submitted['external_identifier'])) {
1496 $query = "UPDATE civicrm_contact SET external_identifier = null WHERE id = {$otherId}";
1497 CRM_Core_DAO
::executeQuery($query);
1499 civicrm_api3('contact', 'delete', ['id' => $otherId]);
1502 // CRM-15681 merge sub_types
1503 if ($other_sub_types = CRM_Utils_Array
::value('contact_sub_type', $migrationInfo['other_details'])) {
1504 if ($main_sub_types = CRM_Utils_Array
::value('contact_sub_type', $migrationInfo['main_details'])) {
1505 $submitted['contact_sub_type'] = array_unique(array_merge($main_sub_types, $other_sub_types));
1508 $submitted['contact_sub_type'] = $other_sub_types;
1512 // **** Update contact related info for the main contact
1513 if (!empty($submitted)) {
1514 $submitted['contact_id'] = $mainId;
1516 //update current employer field
1517 if ($currentEmloyerId = CRM_Utils_Array
::value('current_employer_id', $submitted)) {
1518 if (!CRM_Utils_System
::isNull($currentEmloyerId)) {
1519 $submitted['current_employer'] = $submitted['current_employer_id'];
1522 $submitted['current_employer'] = '';
1524 unset($submitted['current_employer_id']);
1527 //CRM-14312 include prefix/suffix from mainId if not overridden for proper construction of display/sort name
1528 if (!isset($submitted['prefix_id']) && !empty($migrationInfo['main_details']['prefix_id'])) {
1529 $submitted['prefix_id'] = $migrationInfo['main_details']['prefix_id'];
1531 if (!isset($submitted['suffix_id']) && !empty($migrationInfo['main_details']['suffix_id'])) {
1532 $submitted['suffix_id'] = $migrationInfo['main_details']['suffix_id'];
1534 self
::createContact($mainId, $submitted);
1536 $transaction->commit();
1537 CRM_Utils_Hook
::post('merge', 'Contact', $mainId);
1538 self
::createMergeActivities($mainId, $otherId);
1544 * Get fields in the contact table suitable for merging.
1547 * Array of field names to be potentially merged.
1549 public static function getContactFields() {
1550 $contactFields = CRM_Contact_DAO_Contact
::fields();
1558 'primary_contact_id',
1562 foreach ($contactFields as $field => $value) {
1563 if (in_array($field, $invalidFields)) {
1564 unset($contactFields[$field]);
1567 return array_keys($contactFields);
1571 * Added for CRM-12695
1572 * Based on the contactID provided
1573 * add/update membership(s) to related contacts
1575 * @param int $contactID
1577 * @throws \CRM_Core_Exception
1578 * @throws \CiviCRM_API3_Exception
1580 public static function addMembershipToRealtedContacts($contactID) {
1581 $dao = new CRM_Member_DAO_Membership();
1582 $dao->contact_id
= $contactID;
1586 //checks membership of contact itself
1587 while ($dao->fetch()) {
1588 $relationshipTypeId = CRM_Core_DAO
::getFieldValue('CRM_Member_DAO_MembershipType', $dao->membership_type_id
, 'relationship_type_id', 'id');
1589 if ($relationshipTypeId) {
1590 $membershipParams = [
1592 'contact_id' => $dao->contact_id
,
1593 'membership_type_id' => $dao->membership_type_id
,
1594 'join_date' => CRM_Utils_Date
::isoToMysql($dao->join_date
),
1595 'start_date' => CRM_Utils_Date
::isoToMysql($dao->start_date
),
1596 'end_date' => CRM_Utils_Date
::isoToMysql($dao->end_date
),
1597 'source' => $dao->source
,
1598 'status_id' => $dao->status_id
,
1600 // create/update membership(s) for related contact(s)
1601 CRM_Member_BAO_Membership
::createRelatedMemberships($membershipParams, $dao);
1602 } // end of if relationshipTypeId
1607 * Create activities tracking the merge on affected contacts.
1609 * @param int $mainId
1610 * @param int $otherId
1612 * @throws \CiviCRM_API3_Exception
1614 public static function createMergeActivities($mainId, $otherId) {
1619 $activity = civicrm_api3('activity', 'create', [
1620 'source_contact_id' => CRM_Core_Session
::getLoggedInContactID() ? CRM_Core_Session
::getLoggedInContactID() :
1622 'subject' => ts('Contact ID %1 has been merged and deleted.', $params),
1623 'target_contact_id' => $mainId,
1624 'activity_type_id' => 'Contact Merged',
1625 'status_id' => 'Completed',
1627 if (civicrm_api3('Setting', 'getvalue', [
1628 'name' => 'contact_undelete',
1629 'group' => 'CiviCRM Preferences',
1631 civicrm_api3('activity', 'create', [
1632 'source_contact_id' => CRM_Core_Session
::getLoggedInContactID() ? CRM_Core_Session
::getLoggedInContactID() :
1634 'subject' => ts('Contact ID %1 has been merged into Contact ID %2 and deleted.', $params),
1635 'target_contact_id' => $otherId,
1636 'activity_type_id' => 'Contact Deleted by Merge',
1637 'parent_id' => $activity['id'],
1638 'status_id' => 'Completed',
1644 * Get Duplicate Pairs based on a rule for a group.
1646 * @param int $rule_group_id
1647 * @param int $group_id
1648 * @param bool $reloadCacheIfEmpty
1649 * Should the cache be reloaded if empty - this must be false when in a dedupe action!
1650 * @param int $batchLimit
1651 * @param bool $isSelected
1652 * Limit to selected pairs.
1653 * @param bool $includeConflicts
1654 * @param array $criteria
1655 * Additional criteria to narrow down the merge group.
1657 * @param bool $checkPermissions
1658 * Respect logged in user permissions.
1660 * @param int $searchLimit
1661 * Limit to searching for matches against this many contacts.
1663 * @param int $isForceNewSearch
1664 * Should a new search be forced, bypassing any cache retrieval.
1667 * Array of matches meeting the criteria.
1669 * @throws \CRM_Core_Exception
1670 * @throws \CiviCRM_API3_Exception
1672 public static function getDuplicatePairs($rule_group_id, $group_id, $reloadCacheIfEmpty, $batchLimit, $isSelected, $includeConflicts = TRUE, $criteria = [], $checkPermissions = TRUE, $searchLimit = 0, $isForceNewSearch = 0) {
1673 $dupePairs = $isForceNewSearch ?
[] : self
::getCachedDuplicateMatches($rule_group_id, $group_id, $batchLimit, $isSelected, $includeConflicts, $criteria, $checkPermissions, $searchLimit);
1674 if (empty($dupePairs) && $reloadCacheIfEmpty) {
1675 // If we haven't found any dupes, probably cache is empty.
1676 // Try filling cache and give another try. We don't need to specify include conflicts here are there will not be any
1677 // until we have done some processing.
1678 CRM_Core_BAO_PrevNextCache
::refillCache($rule_group_id, $group_id, $criteria, $checkPermissions, $searchLimit);
1679 return self
::getCachedDuplicateMatches($rule_group_id, $group_id, $batchLimit, $isSelected, FALSE, $criteria, $checkPermissions, $searchLimit);
1685 * Get the cache key string for the merge action.
1687 * @param int $rule_group_id
1688 * @param int $group_id
1689 * @param array $criteria
1690 * Additional criteria to narrow down the merge group.
1691 * Currently we are only supporting the key 'contact' within it.
1692 * @param bool $checkPermissions
1693 * Respect the users permissions.
1694 * @param int $searchLimit
1695 * Number of contacts to seek dupes for (we need this because if
1696 * we change it the results won't be refreshed otherwise. Changing the limit
1697 * from 100 to 1000 SHOULD result in a new dedupe search).
1701 public static function getMergeCacheKeyString($rule_group_id, $group_id, $criteria, $checkPermissions, $searchLimit) {
1702 $contactType = CRM_Dedupe_BAO_RuleGroup
::getContactTypeForRuleGroup($rule_group_id);
1703 $cacheKeyString = "merge_{$contactType}";
1704 $cacheKeyString .= $rule_group_id ?
"_{$rule_group_id}" : '_0';
1705 $cacheKeyString .= $group_id ?
"_{$group_id}" : '_0';
1706 $cacheKeyString .= '_' . (int) $searchLimit;
1707 $cacheKeyString .= !empty($criteria) ?
md5(serialize($criteria)) : '_0';
1708 if ($checkPermissions) {
1709 $contactID = CRM_Core_Session
::getLoggedInContactID();
1711 // Distinguish between no permission check & no logged in user.
1712 $contactID = 'null';
1714 $cacheKeyString .= '_' . $contactID;
1717 $cacheKeyString .= '_0';
1719 return $cacheKeyString;
1723 * Get the metadata for the merge fields.
1725 * This is basically the contact metadata, augmented with fields to
1726 * represent email greeting, postal greeting & addressee.
1730 public static function getMergeFieldsMetadata() {
1731 if (isset(\Civi
::$statics[__CLASS__
]) && isset(\Civi
::$statics[__CLASS__
]['merge_fields_metadata'])) {
1732 return \Civi
::$statics[__CLASS__
]['merge_fields_metadata'];
1734 $fields = CRM_Contact_DAO_Contact
::fields();
1735 static $optionValueFields = [];
1736 if (empty($optionValueFields)) {
1737 $optionValueFields = CRM_Core_OptionValue
::getFields();
1739 foreach ($optionValueFields as $field => $params) {
1740 $fields[$field]['title'] = $params['title'];
1742 \Civi
::$statics[__CLASS__
]['merge_fields_metadata'] = $fields;
1743 return \Civi
::$statics[__CLASS__
]['merge_fields_metadata'];
1747 * Get the details of the contact to be merged.
1749 * @param int $contact_id
1753 * @throws CRM_Core_Exception
1755 public static function getMergeContactDetails($contact_id) {
1757 'contact_id' => $contact_id,
1759 'return' => array_merge(['display_name'], self
::getContactFields()),
1761 $result = civicrm_api('contact', 'get', $params);
1763 // CRM-18480: Cancel the process if the contact is already deleted
1764 if (isset($result['values'][$contact_id]['contact_is_deleted']) && !empty($result['values'][$contact_id]['contact_is_deleted'])) {
1765 throw new CRM_Core_Exception(ts('Cannot merge because one contact (ID %1) has been deleted.', [
1770 return $result['values'][$contact_id];
1776 * Based on the data in the $locationMigrationInfo merge the locations for 2 contacts.
1778 * The data is in the format received from the merge form (which is a fairly confusing format).
1780 * It is converted into an array of DAOs which is passed to the alterLocationMergeData hook
1781 * before saving or deleting the DAOs. A new hook is added to allow these to be altered after they have
1782 * been calculated and before saving because
1783 * - the existing format & hook combo is so confusing it is hard for developers to change & inherently fragile
1784 * - passing to a hook right before save means calculations only have to be done once
1785 * - the existing pattern of passing dissimilar data to the same (merge) hook with a different 'type' is just
1788 * The use of the new hook is tested, including the fact it is called before contributions are merged, as this
1789 * is likely to be significant data in merge hooks.
1791 * @param \CRM_Dedupe_MergeHandler $mergeHandler
1793 public static function mergeLocations($mergeHandler) {
1794 $locBlocks = $mergeHandler->getLocationBlocksToMerge();
1796 $migrationInfo = $mergeHandler->getMigrationInfo();
1798 // @todo Handle OpenID (not currently in API).
1799 if (!empty($locBlocks)) {
1800 $locationBlocks = self
::getLocationBlockInfo();
1802 $primaryBlockIds = CRM_Contact_BAO_Contact
::getLocBlockIds($mergeHandler->getToKeepID(), ['is_primary' => 1]);
1803 $billingBlockIds = CRM_Contact_BAO_Contact
::getLocBlockIds($mergeHandler->getToKeepID(), ['is_billing' => 1]);
1805 foreach ($locBlocks as $name => $block) {
1806 $blocksDAO[$name] = ['delete' => [], 'update' => []];
1807 $daoName = 'CRM_Core_DAO_' . $locationBlocks[$name]['label'];
1808 $changePrimary = FALSE;
1809 $primaryDAOId = (array_key_exists($name, $primaryBlockIds)) ?
array_pop($primaryBlockIds[$name]) : NULL;
1810 $billingDAOId = (array_key_exists($name, $billingBlockIds)) ?
array_pop($billingBlockIds[$name]) : NULL;
1812 foreach ($block as $blkCount => $values) {
1813 $otherBlockId = $migrationInfo['other_details']['location_blocks'][$name][$blkCount]['id'] ??
NULL;
1814 $mainBlockId = CRM_Utils_Array
::value('mainContactBlockId', $migrationInfo['location_blocks'][$name][$blkCount], 0);
1815 if (!$otherBlockId) {
1818 $otherBlockDAO = $mergeHandler->copyDataToNewBlockDAO($otherBlockId, $name, $blkCount);
1820 // If we're deliberately setting this as primary then add the flag
1821 // and remove it from the current primary location (if there is one).
1822 // But only once for each entity.
1823 $set_primary = $migrationInfo['location_blocks'][$name][$blkCount]['set_other_primary'] ??
NULL;
1824 if (!$changePrimary && $set_primary == "1") {
1825 $otherBlockDAO->is_primary
= 1;
1826 if ($primaryDAOId) {
1827 $removePrimaryDAO = $mergeHandler->getDAOForLocationEntity($name);
1828 $removePrimaryDAO->id
= $primaryDAOId;
1829 $removePrimaryDAO->is_primary
= 0;
1830 $blocksDAO[$name]['update'][$primaryDAOId] = $removePrimaryDAO;
1832 $changePrimary = TRUE;
1834 // Otherwise, if main contact already has primary, set it to 0.
1835 elseif ($primaryDAOId) {
1836 $otherBlockDAO->is_primary
= 0;
1839 // If the main contact already has a billing location, set this to 0.
1840 if ($billingDAOId) {
1841 $otherBlockDAO->is_billing
= 0;
1844 // overwrite - need to delete block which belongs to main-contact.
1845 if (!empty($mainBlockId) && $values['is_replace']) {
1846 $deleteDAO = $mergeHandler->getDAOForLocationEntity($name);
1847 $deleteDAO->id
= $mainBlockId;
1848 $deleteDAO->find(TRUE);
1850 // if we about to delete a primary / billing block, set the flags for new block
1851 // that we going to assign to main-contact
1852 if ($primaryDAOId && ($primaryDAOId == $deleteDAO->id
)) {
1853 $otherBlockDAO->is_primary
= 1;
1855 if ($billingDAOId && ($billingDAOId == $deleteDAO->id
)) {
1856 $otherBlockDAO->is_billing
= 1;
1858 $blocksDAO[$name]['delete'][$deleteDAO->id
] = $deleteDAO;
1860 $blocksDAO[$name]['update'][$otherBlockDAO->id
] = $otherBlockDAO;
1862 $blocksDAO[$name]['update'] +
= $mergeHandler->getBlocksToUpdateForDeletedContact($name);
1866 CRM_Utils_Hook
::alterLocationMergeData($blocksDAO, $mergeHandler->getToKeepID(), $mergeHandler->getToRemoveID(), $migrationInfo);
1867 foreach ($blocksDAO as $blockDAOs) {
1868 if (!empty($blockDAOs['update'])) {
1869 foreach ($blockDAOs['update'] as $blockDAO) {
1873 if (!empty($blockDAOs['delete'])) {
1874 foreach ($blockDAOs['delete'] as $blockDAO) {
1875 $blockDAO->delete();
1882 * Dedupe a pair of contacts.
1884 * @param int $mainId Id of contact to keep.
1885 * @param int $otherId Id of contact to delete.
1886 * @param string $mode
1887 * @param bool $checkPermissions
1888 * @param string $cacheKeyString
1890 * @return bool|array
1891 * @throws \API_Exception
1892 * @throws \CRM_Core_Exception
1893 * @throws \CRM_Core_Exception_ResourceConflictException
1894 * @throws \CiviCRM_API3_Exception
1895 * @throws \Civi\API\Exception\UnauthorizedException
1897 protected static function dedupePair(int $mainId, int $otherId, $mode = 'safe', $checkPermissions = TRUE, $cacheKeyString = NULL) {
1900 $migrationInfo = [];
1902 // Try to lock the contacts before we load the data as we don't want it changing under us.
1903 // https://lab.civicrm.org/dev/core/issues/1355
1904 $locks = self
::getLocksOnContacts([$mainId, $otherId]);
1905 if (!CRM_Dedupe_Merger
::skipMerge($mainId, $otherId, $migrationInfo, $mode, $conflicts)) {
1906 CRM_Dedupe_Merger
::moveAllBelongings($mainId, $otherId, $migrationInfo, $checkPermissions);
1907 $resultStats['merged'][] = [
1908 'main_id' => $mainId,
1909 'other_id' => $otherId,
1913 $resultStats['skipped'][] = [
1914 'main_id' => $mainId,
1915 'other_id' => $otherId,
1919 // store any conflicts
1920 if (!empty($conflicts)) {
1921 CRM_Core_BAO_PrevNextCache
::markConflict($mainId, $otherId, $cacheKeyString, $conflicts, $mode);
1924 self
::deletePairFromPrevNextCache((int) $mainId, (int) $otherId);
1926 self
::releaseLocks($locks);
1927 return $resultStats;
1931 * Delete merged pair from the previous next cache table as the are no longer a merge candidate.
1933 * It's possible there may be more than one set of merge results cached, with different cache keys.
1934 * Once we have merged a pair these should all go (even from a different merge search) as they
1935 * can only be merged once.
1937 * @param int $contactID1
1938 * @param int $contactID2
1940 protected static function deletePairFromPrevNextCache(int $contactID1, int $contactID2) {
1941 CRM_Core_DAO
::executeQuery("
1942 DELETE FROM civicrm_prevnext_cache
1943 WHERE entity_table = 'civicrm_contact'
1944 AND (entity_id1 = %1 AND entity_id2 = %2) OR (entity_id1 = %2 AND entity_id2 = %1)",
1945 [1 => [$contactID1, 'Integer'], 2 => [$contactID2, 'Integer']]
1950 * Replace the pseudo QFKey with zero if it is present.
1952 * @todo - on the slim chance this is still relevant it should be moved to the form layer.
1954 * Details about this bug are somewhat obscured by the move from svn but perhaps JIRA
1957 * @param array $migrationInfo
1959 protected static function swapOutFieldsAffectedByQFZeroBug(&$migrationInfo) {
1960 $qfZeroBug = 'e8cddb72-a257-11dc-b9cc-0016d3330ee9';
1961 foreach ($migrationInfo as $key => &$value) {
1962 if ($value === $qfZeroBug) {
1969 * Honestly - what DOES this do - hopefully some refactoring will reveal it's purpose.
1971 * Update this function formats fields in preparation for them to be submitted to the
1972 * 'ProfileContactCreate action. This is a lot of code to do this & for
1973 * - for some fields it fails - e.g Country - per testMergeCustomFields.
1975 * Goal is to move all custom field handling into 'move' functions on the various BAO
1976 * with an underlying DAO function. For custom fields it has been started on the BAO.
1978 * @param int $mainId
1979 * @param string $key
1980 * @param array $cFields
1981 * @param array $submitted
1982 * @param mixed $value
1985 * @throws \CRM_Core_Exception
1987 protected static function processCustomFields($mainId, $key, $cFields, $submitted, $value) {
1988 if (substr($key, 0, 7) === 'custom_') {
1989 $fid = (int) substr($key, 7);
1990 if (empty($cFields[$fid])) {
1991 return [$cFields, $submitted];
1993 $htmlType = $cFields[$fid]['attributes']['html_type'];
1994 $isSerialized = CRM_Core_BAO_CustomField
::isSerialized($cFields[$fid]['attributes']);
1996 if ($htmlType === 'File') {
1997 // Handled in CustomField->move(). Tested in testMergeCustomFields.
1998 unset($submitted["custom_$fid"]);
2000 elseif (!$isSerialized && ($htmlType === 'Select Country' ||
$htmlType === 'Select State/Province')) {
2001 // @todo Test in testMergeCustomFields disabled as this does not work, Handle in CustomField->move().
2002 $submitted[$key] = CRM_Core_BAO_CustomField
::displayValue($value, $fid);
2004 elseif ($htmlType === 'Select Date') {
2005 if ($cFields[$fid]['attributes']['is_view']) {
2006 $submitted[$key] = date('YmdHis', strtotime($submitted[$key]));
2009 elseif ($isSerialized) {
2010 // Merge values from both contacts for multivalue fields, CRM-4385
2011 // get the existing custom values from db.
2012 $customParams = ['entityID' => $mainId, $key => TRUE];
2013 $customfieldValues = CRM_Core_BAO_CustomValueTable
::getValues($customParams);
2014 if (!empty($customfieldValues[$key])) {
2015 $existingValue = explode(CRM_Core_DAO
::VALUE_SEPARATOR
, $customfieldValues[$key]);
2016 if (is_array($existingValue) && !empty($existingValue)) {
2017 $mergeValue = $submittedCustomFields = [];
2018 if ($value === 'null') {
2019 // CRM-19074 if someone has deliberately chosen to overwrite with 'null', respect it.
2020 $submitted[$key] = $value;
2024 $submittedCustomFields = explode(CRM_Core_DAO
::VALUE_SEPARATOR
, $value);
2027 // CRM-19653: overwrite or add the existing custom field value with dupicate contact's
2028 // custom field value stored at $submittedCustomValue.
2029 foreach ($submittedCustomFields as $k => $v) {
2030 if ($v != '' && !in_array($v, $mergeValue)) {
2035 //keep state and country as array format.
2036 //for checkbox and m-select format w/ VALUE_SEPARATOR
2037 if (in_array($htmlType, ['CheckBox', 'Select'])) {
2038 $submitted[$key] = CRM_Utils_Array
::implodePadded($mergeValue);
2041 $submitted[$key] = $mergeValue;
2046 elseif (in_array($htmlType, ['Select Country', 'Select State/Province'])) {
2047 //we require submitted values should be in array format
2049 $mergeValueArray = explode(CRM_Core_DAO
::VALUE_SEPARATOR
, $value);
2050 //hack to remove null values from array.
2052 foreach ($mergeValueArray as $k => $v) {
2057 $submitted[$key] = $mergeValue;
2062 return [$cFields, $submitted];
2066 * Get metadata for the custom fields for the merge.
2068 * @param string $contactType
2071 * @throws \CRM_Core_Exception
2073 protected static function getCustomFieldMetadata($contactType) {
2075 if (!array_key_exists($contactType, $treeCache)) {
2076 $treeCache[$contactType] = CRM_Core_BAO_CustomGroup
::getTree(
2091 foreach ($treeCache[$contactType] as $key => $group) {
2092 if (!isset($group['fields'])) {
2095 foreach ($group['fields'] as $fid => $field) {
2096 $cFields[$fid]['attributes'] = $field;
2103 * Get conflicts for proposed merge pair.
2105 * @param array $migrationInfo
2106 * This is primarily to inform hooks. The can also modify it which feels
2107 * pretty fragile to do it here - but it is historical.
2108 * @param int $mainId
2109 * Main contact with whom merge has to happen.
2110 * @param int $otherId
2111 * Duplicate contact which would be deleted after merge operation.
2112 * @param string $mode
2113 * Helps decide how to behave when there are conflicts.
2114 * - A 'safe' value skips the merge if there are any un-resolved conflicts.
2115 * - Does a force merge otherwise (aggressive mode).
2119 * @throws \CRM_Core_Exception
2120 * @throws \CiviCRM_API3_Exception
2122 public static function getConflicts(&$migrationInfo, $mainId, $otherId, $mode) {
2124 // Generate var $migrationInfo. The variable structure is exactly same as
2125 // $formValues submitted during a UI merge for a pair of contacts.
2126 $rowsElementsAndInfo = CRM_Dedupe_Merger
::getRowsElementsAndInfo($mainId, $otherId, FALSE);
2127 // add additional details that we might need to resolve conflicts
2128 $migrationInfo = $rowsElementsAndInfo['migration_info'];
2129 $migrationInfo['main_details'] = &$rowsElementsAndInfo['main_details'];
2130 $migrationInfo['other_details'] = &$rowsElementsAndInfo['other_details'];
2131 $migrationInfo['rows'] = &$rowsElementsAndInfo['rows'];
2132 // go ahead with merge if there is no conflict
2133 $originalMigrationInfo = $migrationInfo;
2134 foreach ($migrationInfo as $key => $val) {
2135 if ($val === "null") {
2136 // Rule: Never overwrite with an empty value (in any mode)
2137 unset($migrationInfo[$key]);
2140 elseif ((in_array(substr($key, 5), CRM_Dedupe_Merger
::getContactFields()) or
2141 substr($key, 0, 12) === 'move_custom_'
2144 // Rule: If both main-contact, and other-contact have a field with a
2145 // different value, then let $mode decide if to merge it or not
2147 (!empty($migrationInfo['rows'][$key]['main'])
2148 // For custom fields a 0 (e.g in an int field) could be a true conflict. This
2149 // is probably true for other fields too - e.g. 'do_not_email' but
2150 // leaving that investigation as a @todo - until tests can be written.
2151 // Note the handling of this has test coverage - although the data-typing
2152 // of '0' feels flakey we have insurance.
2153 ||
($migrationInfo['rows'][$key]['main'] === '0' && substr($key, 0, 12) === 'move_custom_')
2155 && $migrationInfo['rows'][$key]['main'] != $migrationInfo['rows'][$key]['other']
2158 // note it down & lets wait for response from the hook.
2159 // For no response $mode will decide if to skip this merge
2160 $conflicts[$key] = NULL;
2163 elseif (substr($key, 0, 14) === 'move_location_' and $val != NULL) {
2164 $locField = explode('_', $key);
2165 $fieldName = $locField[2];
2166 $fieldCount = $locField[3];
2168 // Rule: Catch address conflicts (same address type on both contacts)
2170 isset($migrationInfo['main_details']['location_blocks'][$fieldName]) &&
2171 !empty($migrationInfo['main_details']['location_blocks'][$fieldName])
2174 // Load the address we're inspecting from the 'other' contact
2175 $addressRecord = $migrationInfo['other_details']['location_blocks'][$fieldName][$fieldCount];
2176 $addressRecordLocTypeId = $addressRecord['location_type_id'] ??
NULL;
2178 // If it exists on the 'main' contact already, skip it. Otherwise
2179 // if the location type exists already, log a conflict.
2180 foreach ($migrationInfo['main_details']['location_blocks'][$fieldName] as $mainAddressKey => $mainAddressRecord) {
2181 if (!self
::locationHasData($mainAddressRecord)) {
2182 // Go ahead & overwrite the main address - it has no data in it.
2183 // if it is the primary address then pass that honour to the address that actually has data.
2184 $migrationInfo['location_blocks'][$fieldName][$mainAddressKey]['set_other_primary'] = $mainAddressRecord['is_primary'];
2187 if (self
::locationIsSame($addressRecord, $mainAddressRecord)) {
2188 unset($migrationInfo[$key]);
2191 if ($addressRecordLocTypeId == $mainAddressRecord['location_type_id']) {
2192 $conflicts[$key] = NULL;
2198 // For other locations, don't merge/add if the values are the same
2199 elseif (CRM_Utils_Array
::value('main', $migrationInfo['rows'][$key]) == $migrationInfo['rows'][$key]['other']) {
2200 unset($migrationInfo[$key]);
2205 // A hook to implement other algorithms for choosing which contact to bias to when
2206 // there's a conflict (to handle "gotchas"). fields_in_conflict could be modified here
2207 // merge happens with new values filled in here. For a particular field / row not to be merged
2208 // field should be unset from fields_in_conflict.
2210 'old_migration_info' => $originalMigrationInfo,
2212 'fields_in_conflict' => $conflicts,
2213 'merge_mode' => $mode,
2214 'migration_info' => $migrationInfo,
2216 CRM_Utils_Hook
::merge('batch', $migrationData, $mainId, $otherId);
2217 $conflicts = $migrationData['fields_in_conflict'];
2218 // allow hook to override / manipulate migrationInfo as well
2219 $migrationInfo = $migrationData['migration_info'];
2220 foreach ($conflicts as $key => $val) {
2221 // Copy over the resolved values. If we are in aggressive mode we update to null
2222 // so as not to copy over. Why it's different to safe mode is a bit murky.
2223 // Working theory is it doesn't matter what we do in safe mode here if $val is NULL.
2224 // as the merge is not gonna happen if $val == NULL
2225 $migrationInfo[$key] = $val ??
($mode === 'safe' ?
$migrationInfo[$key] : NULL);
2227 return self
::formatConflictArray($conflicts, $migrationInfo['rows'], $migrationInfo['main_details']['location_blocks'], $migrationInfo['other_details']['location_blocks'], $mainId, $otherId, $mode);
2231 * @param array $conflicts
2232 * @param array $migrationInfo
2233 * @param $toKeepContactLocationBlocks
2234 * @param $toRemoveContactLocationBlocks
2236 * @param $toRemoveID
2237 * @param string $mode
2240 * @throws \CRM_Core_Exception
2242 protected static function formatConflictArray($conflicts, $migrationInfo, $toKeepContactLocationBlocks, $toRemoveContactLocationBlocks, $toKeepID, $toRemoveID, $mode) {
2245 foreach ($conflicts as $key => $val) {
2246 if ($val !== NULL) {
2247 // copy over the resolved values
2248 $resolved[$key] = $val;
2249 unset($conflicts[$key]);
2251 elseif ($mode === 'aggressive') {
2252 unset($conflicts[$key]);
2253 if (strpos($key, 'move_location_') !== 0) {
2254 // @todo - just handling plain contact fields for now because I think I need a bigger refactor
2255 // of the below to handle locations & will do as a follow up.
2256 $resolved['contact'][substr($key, 5)] = $migrationInfo[$key]['main'];
2260 foreach (array_keys($conflicts) as $index) {
2261 if (substr($index, 0, 14) === 'move_location_') {
2262 $parts = explode('_', $index);
2263 $entity = $parts[2];
2264 $blockIndex = $parts[3];
2265 $locationTypeID = $toKeepContactLocationBlocks[$entity][$blockIndex]['location_type_id'];
2266 $entityConflicts = [
2267 'location_type_id' => $locationTypeID,
2268 'title' => $migrationInfo[$index]['title'],
2270 foreach ($toKeepContactLocationBlocks[$entity][$blockIndex] as $fieldName => $fieldValue) {
2271 if (in_array($fieldName, self
::ignoredFields())) {
2274 $toRemoveValue = $toRemoveContactLocationBlocks[$entity][$blockIndex][$fieldName] ??
NULL;
2275 if ($fieldValue !== $toRemoveValue) {
2276 $entityConflicts[$fieldName] = [
2277 $toKeepID => $fieldValue,
2278 $toRemoveID => $toRemoveValue,
2282 $return[$entity][] = $entityConflicts;
2284 elseif (substr($index, 0, 5) === 'move_') {
2285 $contactFieldsToCompare[] = str_replace('move_', '', $index);
2286 $return['contact'][str_replace('move_', '', $index)] = [
2287 'title' => $migrationInfo[$index]['title'],
2288 $toKeepID => $migrationInfo[$index]['main'],
2289 $toRemoveID => $migrationInfo[$index]['other'],
2293 // Can't think of why this would be the case but perhaps it's ensuring it isn't as we
2295 throw new CRM_Core_Exception(ts('Unknown parameter') . $index);
2298 return ['conflicts' => $return, 'resolved' => $resolved];
2302 * Get any duplicate merge pairs that have been previously cached.
2304 * @param int $rule_group_id
2305 * @param int $group_id
2306 * @param int $batchLimit
2307 * @param bool $isSelected
2308 * @param bool $includeConflicts
2309 * @param array $criteria
2310 * @param int $checkPermissions
2311 * @param int $searchLimit
2315 protected static function getCachedDuplicateMatches($rule_group_id, $group_id, $batchLimit, $isSelected, $includeConflicts, $criteria, $checkPermissions, $searchLimit = 0) {
2316 return CRM_Core_BAO_PrevNextCache
::retrieve(
2317 self
::getMergeCacheKeyString($rule_group_id, $group_id, $criteria, $checkPermissions, $searchLimit),
2318 self
::getJoinOnDedupeTable(),
2319 self
::getWhereString($isSelected),
2329 protected static function ignoredFields(): array {
2339 return $keysToIgnore;
2343 * Get the field value & label for the given field.
2349 * @throws \Exception
2351 private static function getFieldValueAndLabel($field, $contact): array {
2352 $fields = self
::getMergeFieldsMetadata();
2353 $value = $label = $contact[$field] ??
NULL;
2354 $fieldSpec = $fields[$field];
2355 if (!empty($fieldSpec['serialize']) && is_array($value)) {
2356 // In practice this only applies to preferred_communication_method as the sub types are skipped above
2357 // and no others are serialized.
2359 foreach ($value as $individualValue) {
2360 $labels[] = CRM_Core_PseudoConstant
::getLabel('CRM_Contact_BAO_Contact', $field, $individualValue);
2362 $label = implode(', ', $labels);
2363 // We serialize this due to historic handling but it's likely that if we just left it as an
2364 // array all would be well & we would have less code.
2365 $value = CRM_Core_DAO
::serializeField($value, $fieldSpec['serialize']);
2367 elseif (!empty($fieldSpec['type']) && $fieldSpec['type'] == CRM_Utils_Type
::T_DATE
) {
2369 $value = str_replace('-', '', $value);
2370 $label = CRM_Utils_Date
::customFormat($label);
2376 elseif (!empty($fields[$field]['type']) && $fields[$field]['type'] == CRM_Utils_Type
::T_BOOLEAN
) {
2377 if ($label === '0') {
2380 if ($label === '1') {
2384 elseif (!empty($fieldSpec['pseudoconstant'])) {
2385 $label = CRM_Core_PseudoConstant
::getLabel('CRM_Contact_BAO_Contact', $field, $value);
2387 elseif ($field == 'current_employer_id' && !empty($value)) {
2388 $label = "$value (" . CRM_Contact_BAO_Contact
::displayName($value) . ")";
2390 return ['label' => $label, 'value' => $value];
2394 * Build up the location block for the contact in dedupe-screen display format.
2396 * @param integer $cid
2397 * @param array $blockInfo
2398 * @param string $blockName
2402 * @throws \CiviCRM_API3_Exception
2404 private static function buildLocationBlockForContact($cid, $blockInfo, $blockName): array {
2406 'contact_id' => $cid,
2407 // CRM-17556 Order by field-specific criteria
2409 'sort' => $blockInfo['sortString'],
2412 $locationBlock = [];
2413 $values = civicrm_api3($blockName, 'get', $searchParams);
2414 if ($values['count']) {
2416 foreach ($values['values'] as $value) {
2417 $locationBlock[$cnt] = $value;
2418 // Fix address display
2419 if ($blockName == 'address') {
2420 // For performance avoid geocoding while merging https://issues.civicrm.org/jira/browse/CRM-21786
2421 // we can expect existing geocode values to be retained.
2422 $value['skip_geocode'] = TRUE;
2423 CRM_Core_BAO_Address
::fixAddress($value);
2424 unset($value['skip_geocode']);
2425 $locationBlock[$cnt]['display'] = CRM_Utils_Address
::format($value);
2427 // Fix email display
2428 elseif ($blockName == 'email') {
2429 $locationBlock[$cnt]['display'] = CRM_Utils_Mail
::format($value);
2435 return $locationBlock;
2439 * Get a lock on the given contact.
2441 * The lock is like a gentleman's agreement between php & mysql. It is reserved at the
2442 * mysql level so it works across php processes but it doesn't actually lock the database.
2444 * Instead php can check the lock to see if it has been acquired before taking an action.
2446 * In this case we really don't want to attempt to dedupe contacts if another process is
2447 * trying to act on the specific contact as it could result in messy deadlocks & possibly data corruption.
2448 * In most databases this would be a rare event but if multiple dedupe processes are running
2449 * at once (for example) or there is also an import process in play there is potential for them to crash.
2450 * By throwing a specific error the calling process can catch it and determine it is worth trying again later without a lot of
2453 * As of writing no other processes DO grab contact locks but it would be reasonable to consider
2454 * grabbing them doing contact edits in general as well as imports etc.
2456 * @param array $contacts
2460 * @throws \CRM_Core_Exception
2461 * @throws \CRM_Core_Exception_ResourceConflictException
2463 protected static function getLocksOnContacts($contacts):array {
2465 if (!CRM_Utils_SQL
::supportsMultipleLocks()) {
2468 foreach ($contacts as $contactID) {
2469 $lock = Civi
::lockManager()->acquire("data.core.contact.{$contactID}");
2470 if ($lock->isAcquired()) {
2474 self
::releaseLocks($locks);
2475 throw new CRM_Core_Exception_ResourceConflictException(ts('Contact is in Use'), 'contact_lock');
2482 * Release contact locks so another process can alter them if it wants.
2484 * @param array $locks
2486 protected static function releaseLocks(array $locks) {
2487 foreach ($locks as $lock) {
2488 /* @var Civi\Core\Lock\LockInterface $lock */
2498 * @param array $locations
2499 * @param array $rows
2500 * @param array $elements
2501 * @param array $migrationInfo
2504 * @throws \CiviCRM_API3_Exception
2506 protected static function addLocationFieldInfo($mainId, $otherId, $blockInfo, $blockName, array $locations, array $rows, array $elements, array $migrationInfo): array {
2507 // Collect existing fields from both 'main' and 'other' contacts first
2508 // This allows us to match up location/types when building the table rows
2509 $locations['main'][$blockName] = self
::buildLocationBlockForContact($mainId, $blockInfo, $blockName);
2510 $locations['other'][$blockName] = self
::buildLocationBlockForContact($otherId, $blockInfo, $blockName);
2512 // Now, build the table rows appropriately, based off the information on
2513 // the 'other' contact
2514 if (!empty($locations['other']) && !empty($locations['other'][$blockName])) {
2515 foreach ($locations['other'][$blockName] as $count => $value) {
2517 $displayValue = $value[$blockInfo['displayField']];
2519 // Add this value to the table rows
2520 $rows["move_location_{$blockName}_{$count}"]['other'] = $displayValue;
2522 // CRM-17556 Only display 'main' contact value if it's the same location + type
2523 // Look it up from main values...
2525 $lookupLocation = FALSE;
2526 if ($blockInfo['hasLocation']) {
2527 $lookupLocation = $value['location_type_id'];
2530 $lookupType = FALSE;
2531 if ($blockInfo['hasType']) {
2532 $lookupType = $value[$blockInfo['hasType']] ??
NULL;
2535 // Hold ID of main contact's matching block
2536 $mainContactBlockId = 0;
2538 if (!empty($locations['main'][$blockName])) {
2539 foreach ($locations['main'][$blockName] as $mainValueCheck) {
2540 // No location/type, or matching location and type
2542 (empty($lookupLocation) ||
$lookupLocation == $mainValueCheck['location_type_id'])
2543 && (empty($lookupType) ||
$lookupType == $mainValueCheck[$blockInfo['hasType']])
2545 // Set this value as the default against the 'other' contact value
2546 $rows["move_location_{$blockName}_{$count}"]['main'] = $mainValueCheck[$blockInfo['displayField']];
2547 $rows["move_location_{$blockName}_{$count}"]['main_is_primary'] = $mainValueCheck['is_primary'];
2548 $rows["move_location_{$blockName}_{$count}"]['location_entity'] = $blockName;
2549 $mainContactBlockId = $mainValueCheck['id'];
2555 // Add checkbox to migrate data from 'other' to 'main'
2556 $elements[] = ['advcheckbox', "move_location_{$blockName}_{$count}"];
2558 // Add checkbox to set the 'other' location as primary
2561 "location_blocks[$blockName][$count][set_other_primary]",
2563 ts('Set as primary'),
2566 // Flag up this field to skipMerge function (@todo: do we need to?)
2567 $migrationInfo["move_location_{$blockName}_{$count}"] = 1;
2569 // Add a hidden field to store the ID of the target main contact block
2572 "location_blocks[$blockName][$count][mainContactBlockId]",
2573 $mainContactBlockId,
2577 $thisTypeId = FALSE;
2580 // Provide a select drop-down for the location's location type
2581 // eg: Home, Work...
2583 if ($blockInfo['hasLocation']) {
2585 // Load the location options for this entity
2586 $locationOptions = civicrm_api3($blockName, 'getoptions', ['field' => 'location_type_id']);
2588 $thisLocId = $value['location_type_id'];
2590 // Put this field's location type at the top of the list
2591 $tmpIdList = $locationOptions['values'];
2592 $defaultLocId = [$thisLocId => $tmpIdList[$thisLocId]];
2593 unset($tmpIdList[$thisLocId]);
2598 "location_blocks[$blockName][$count][locTypeId]",
2600 $defaultLocId +
$tmpIdList,
2603 // Add the relevant information to the $migrationInfo
2604 // Keep location-type-id same as that of other-contact
2605 // @todo Check this logic out
2606 $migrationInfo['location_blocks'][$blockName][$count]['locTypeId'] = $thisLocId;
2607 if ($blockName != 'address') {
2610 "location_blocks[{$blockName}][$count][operation]",
2614 // always use add operation
2615 $migrationInfo['location_blocks'][$blockName][$count]['operation'] = 1;
2620 // Provide a select drop-down for the location's type/provider
2621 // eg websites: Facebook...
2623 if ($blockInfo['hasType']) {
2625 // Load the type options for this entity
2626 $typeOptions = civicrm_api3($blockName, 'getoptions', ['field' => $blockInfo['hasType']]);
2628 $thisTypeId = $value[$blockInfo['hasType']] ??
NULL;
2630 // Put this field's location type at the top of the list
2631 $tmpIdList = $typeOptions['values'];
2632 $defaultTypeId = [$thisTypeId => CRM_Utils_Array
::value($thisTypeId, $tmpIdList)];
2633 unset($tmpIdList[$thisTypeId]);
2638 "location_blocks[$blockName][$count][typeTypeId]",
2640 $defaultTypeId +
$tmpIdList,
2643 // Add the information to the migrationInfo
2644 $migrationInfo['location_blocks'][$blockName][$count]['typeTypeId'] = $thisTypeId;
2648 // Set the label for this row
2649 $rowTitle = $blockInfo['label'] . ' ' . ($count +
1);
2650 if (!empty($thisLocId)) {
2651 $rowTitle .= ' (' . $locationOptions['values'][$thisLocId] . ')';
2653 if (!empty($thisTypeId)) {
2654 $rowTitle .= ' (' . $typeOptions['values'][$thisTypeId] . ')';
2656 $rows["move_location_{$blockName}_$count"]['title'] = $rowTitle;
2658 } // End loop through 'other' locations of this type
2661 return [$locations, $rows, $elements, $migrationInfo];