/**
* @param string $key
* @param array $options
* @return mixed
* @throws Exception
*/
public function getRelationLazy($key, $options = [])
{
/** @var \T4\Orm\Model $class */
$class = get_class($this);
$relations = $class::getRelations();
if (empty($relations[$key])) {
throw new Exception('No such column or relation: ' . $key . ' in model of ' . $class . ' class');
}
$relation = $relations[$key];
switch ($relation['type']) {
case $class::BELONGS_TO:
/** @var \T4\Orm\Model $relationClass */
$relationClass = $relation['model'];
$thisColumnName = $class::getRelationLinkName($relation);
$thatColumnName = $class::getBelongsToThatLinkColumnName($relation);
$subModel = $relationClass::findByColumn($thatColumnName, $this->{$thisColumnName}, $options);
if (empty($subModel)) {
return null;
} else {
return $subModel;
}
break;
case $class::HAS_ONE:
/** @var \T4\Orm\Model $relationClass */
$relationClass = $relation['model'];
$thisColumnName = $class::getHasOneThisLinkColumnName($relation);
$thatColumnName = $class::getRelationLinkName($relation);
$subModel = $relationClass::findByColumn($thatColumnName, $this->{$thisColumnName}, $options);
if (empty($subModel)) {
return null;
} else {
return $subModel;
}
break;
case $class::HAS_MANY:
/** @var \T4\Orm\Model $relationClass */
$relationClass = $relation['model'];
$thisColumnName = $class::getHasManyThisLinkColumnName($relation);
$thatColumnName = $class::getRelationLinkName($relation);
return $relationClass::findAllByColumn($thatColumnName, $this->{$thisColumnName}, $options);
break;
case $class::MANY_TO_MANY:
/** @var \T4\Orm\Model $relationClass */
$relationClass = $relation['model'];
$linkTable = $class::getRelationLinkName($relation);
$pivots = $relationClass::getPivots($class, $key);
if (!empty($pivots)) {
$pivotColumnsSql = ', ' . implode(', ', array_map(function ($x) {
return 'j1.' . $x;
}, array_keys($pivots)));
} else {
$pivotColumnsSql = '';
}
$query = new Query();
$query->select('t1.*' . $pivotColumnsSql)->from($relationClass::getTableName())->join($linkTable, 't1.' . $relationClass::PK . '=j1.' . static::getManyToManyThatLinkColumnName($relation), 'left')->where('(j1.' . static::getManyToManyThisLinkColumnName($relation) . '=:id)' . (isset($options['where']) ? ' AND (' . $options['where'] . ')' : ''));
if (isset($options['order'])) {
$query->order($options['order']);
}
$query->params([':id' => $this->getPk()]);
/** @var \T4\Orm\Model $relationClass */
$result = $relationClass::getDbConnection()->query($query)->fetchAllObjects($relationClass);
if (!empty($result)) {
$ret = new Collection($result);
$ret->setNew(false);
return $ret;
} else {
return new Collection();
}
}
}
public function findAllByQuery($class, $query, $params = [])
{
if ($query instanceof QueryBuilder) {
$params = $query->getParams();
$query = $query->getQuery($this);
}
$result = $class::getDbConnection()->query($query, $params)->fetchAll(\PDO::FETCH_CLASS, $class);
if (!empty($result)) {
$ret = new Collection($result);
$ret->setNew(false);
} else {
$ret = new Collection();
}
return $ret;
}
public function findAllByQuery($class, $query, $params = [])
{
if ($query instanceof QueryBuilder) {
$params = $query->getParams();
$query = $query->getQuery($this);
}
if ($query instanceof Query) {
$params = array_merge($params, $query->params);
$query = $this->makeQueryString($query);
}
/** @var \T4\Orm\Model $class */
$result = $class::getDbConnection()->query($query, $params)->fetchAllObjects($class);
if (!empty($result)) {
$ret = new Collection($result);
$ret->setNew(false);
} else {
$ret = new Collection();
}
return $ret;
}
