/**
* Returns an instance of class (singleton pattern implementation).
*
* @return BOL_PreferenceDao
*/
public static function getInstance()
{
if (self::$classInstance === null) {
self::$classInstance = new self();
}
return self::$classInstance;
}
/**
* Constructor.
*
*/
private function __construct()
{
$this->preferenceDao = BOL_PreferenceDao::getInstance();
/* @var $this->preferenceDao BOL_PreferenceDao */
$this->preferenceSectionDao = BOL_PreferenceSectionDao::getInstance();
/* @var $this->preferenceSectionDao BOL_PreferenceSectionDao */
$this->preferenceDataDao = BOL_PreferenceDataDao::getInstance();
/* @var $this->preferenceDataDao BOL_PreferenceDataDao */
}
public function findUserIdListByPreferenceValues($preferenceValues)
{
if (empty($preferenceValues) || !is_array($preferenceValues)) {
return array();
}
$sqlList = array();
foreach ($preferenceValues as $key => $value) {
$sqlList[$key] = " SELECT d.userId FROM " . BOL_PreferenceDao::getInstance()->getTableName() . " p\n LEFT JOIN " . BOL_PreferenceDataDao::getInstance()->getTableName() . " d ON ( d.`key` = p.`key` )\n WHERE p.`key` = '" . $this->dbo->escapeString($key) . "' AND ( d.value = '" . $this->dbo->escapeString($value) . "' OR d.value IS NULL AND p.defaultValue = '" . $this->dbo->escapeString($value) . "' ) ";
if (!empty($value) && is_array($value)) {
$sqlList[$key] = " SELECT d.userId FROM " . BOL_PreferenceDao::getInstance()->getTableName() . " p\n LEFT JOIN " . BOL_PreferenceDataDao::getInstance()->getTableName() . " d ON ( d.`key` = p.`key` )\n WHERE p.`key` = '" . $this->dbo->escapeString($key) . "' AND ( d.value IN " . $this->dbo->mergeInClause($value) . " OR d.value IS NULL AND p.defaultValue IN " . $this->dbo->mergeInClause($value) . " ) ";
}
}
$sqlString = '';
$queryNumber = 0;
foreach ($sqlList as $sql) {
if ($queryNumber > 0) {
$sqlString .= ' UNION ';
}
$queryNumber++;
$sqlString .= $sql;
}
return $this->dbo->queryForColumnList($sqlString);
}