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 +--------------------------------------------------------------------+
13 * Class CRM_Contact_BAO_RelationshipCache.
15 class CRM_Contact_BAO_RelationshipCache
extends CRM_Contact_DAO_RelationshipCache
implements \Civi\Core\HookInterface
{
18 * The "mappings" array defines the values to put into `civicrm_relationship_cache`
19 * using data from `civicrm_relationship rel` and `civicrm_relationship_type reltype`.
22 * Array(string $intoColumn => string $selectValue)
24 private static $mappings = [
26 'relationship_id' => 'rel.id',
27 'relationship_type_id' => 'rel.relationship_type_id',
28 'orientation' => '"a_b"',
29 'near_contact_id' => 'rel.contact_id_a',
30 'near_relation' => 'reltype.name_a_b',
31 'far_contact_id' => 'rel.contact_id_b',
32 'far_relation' => 'reltype.name_b_a',
33 'start_date' => 'rel.start_date',
34 'end_date' => 'rel.end_date',
35 'is_active' => 'rel.is_active',
36 'case_id' => 'rel.case_id',
39 'relationship_id' => 'rel.id',
40 'relationship_type_id' => 'rel.relationship_type_id',
41 'orientation' => '"b_a"',
42 'near_contact_id' => 'rel.contact_id_b',
43 'near_relation' => 'reltype.name_b_a',
44 'far_contact_id' => 'rel.contact_id_a',
45 'far_relation' => 'reltype.name_a_b',
46 'start_date' => 'rel.start_date',
47 'end_date' => 'rel.end_date',
48 'is_active' => 'rel.is_active',
49 'case_id' => 'rel.case_id',
54 * A list of fields which uniquely identify a row.
58 private static $keyFields = ['relationship_id', 'orientation'];
61 * A list of of fields in `civicrm_relationship_type` which (if changed)
62 * will necessitate an update to the cache.
66 private static $relTypeWatchFields = ['name_a_b', 'name_b_a'];
69 * Add our list of triggers to the global list.
71 * @param \Civi\Core\Event\GenericHookEvent $e
72 * @see \CRM_Utils_Hook::triggerInfo
74 public static function on_hook_civicrm_triggerInfo($e): void
{
75 $relUpdates = self
::createInsertUpdateQueries();
76 // Use utf8mb4_bin or utf8_bin, depending on what's in use.
77 $collation = preg_replace('/^(utf8(?:mb4)?)_.*$/', '$1_bin', CRM_Core_BAO_SchemaHandler
::getInUseCollation());
79 foreach ($relUpdates as $relUpdate) {
81 * This trigger runs whenever a "civicrm_relationship" record is inserted or updated.
83 * Goal: Ensure that every relationship record has two corresponding entries in the
84 * cache, the forward relationship (A=>B) and reverse relationship (B=>A).
87 'table' => 'civicrm_relationship',
89 'event' => ['INSERT', 'UPDATE'],
90 'sql' => $relUpdate->copy()->where('rel.id = NEW.id')->toSQL() . ";\n",
95 * This trigger runs whenever a "civicrm_relationship_type" record is updated.
97 * Goal: Ensure that the denormalized fields ("name_b_a"/"name_a_b" <=> "relation") remain current.
99 'table' => 'civicrm_relationship_type',
101 'event' => ['UPDATE'],
102 'sql' => sprintf("\nIF (%s) THEN\n %s;\n END IF;\n",
105 implode(' OR ', array_map(function ($col) use ($collation) {
106 return "(OLD.$col != NEW.$col COLLATE $collation)";
107 }, self
::$relTypeWatchFields)),
110 $relUpdate->copy()->where('rel.relationship_type_id = NEW.id')->toSQL()
115 // Note: We do not need a DELETE trigger to maintain `civicrm_relationship_cache` because it uses `<onDelete>CASCADE</onDelete>`.
117 $st = new \Civi\Core\SqlTrigger\
StaticTriggers($triggers);
118 $st->onTriggerInfo($e);
122 * Read all records from civicrm_relationship and populate the cache.
123 * Each ordinary relationship in `civicrm_relationship` becomes two
124 * distinct records in the cache (one for A=>B relations; and one for B=>A).
126 * This method is primarily written (a) for manual testing and (b) in case
127 * a broken DBMS, screwy import, buggy code, etc causes a corruption.
129 * NOTE: This is closely related to FiveTwentyNine::populateRelationshipCache(),
130 * except that the upgrader users pagination.
132 public static function rebuild() {
133 $relUpdates = self
::createInsertUpdateQueries();
135 CRM_Core_DAO
::executeQuery('TRUNCATE civicrm_relationship_cache');
136 foreach ($relUpdates as $relUpdate) {
137 $relUpdate->execute();
142 * Prepare a list of SQL queries that map data from civicrm_relationship
143 * to civicrm_relationship_cache.
145 * @return CRM_Utils_SQL_Select[]
146 * A list of SQL queries - one for each mapping.
148 public static function createInsertUpdateQueries() {
150 foreach (self
::$mappings as $name => $mapping) {
151 $queries[$name] = CRM_Utils_SQL_Select
::from('civicrm_relationship rel')
152 ->join('reltype', 'INNER JOIN civicrm_relationship_type reltype ON rel.relationship_type_id = reltype.id')
153 ->syncInto('civicrm_relationship_cache', self
::$keyFields, $mapping);
161 public function addSelectWhereClause() {
162 // Permission for this entity depends on access to the two related contacts.
163 $contactClause = CRM_Utils_SQL
::mergeSubquery('Contact');
165 'near_contact_id' => $contactClause,
166 'far_contact_id' => $contactClause,
168 CRM_Utils_Hook
::selectWhereClause($this, $clauses);