/**
* Get the cache key string for the merge action.
*
* @param int $rule_group_id
* @param int $group_id
* @param array $criteria
* Additional criteria to narrow down the merge group.
* Currently we are only supporting the key 'contact' within it.
*
* @param bool $checkPermissions
* Respect the users permissions.
*
* @return string
*/
public static function getMergeCacheKeyString($rule_group_id, $group_id, $criteria = array(), $checkPermissions = TRUE)
{
$contactType = CRM_Dedupe_BAO_RuleGroup::getContactTypeForRuleGroup($rule_group_id);
$cacheKeyString = "merge {$contactType}";
$cacheKeyString .= $rule_group_id ? "_{$rule_group_id}" : '_0';
$cacheKeyString .= $group_id ? "_{$group_id}" : '_0';
$cacheKeyString .= !empty($criteria) ? serialize($criteria) : '_0';
if ($checkPermissions) {
$contactID = CRM_Core_Session::getLoggedInContactID();
if (!$contactID) {
// Distinguish between no permission check & no logged in user.
$contactID = 'null';
}
$cacheKeyString .= '_' . $contactID;
} else {
$cacheKeyString .= '_0';
}
return $cacheKeyString;
}
