/**
* Checks if the collection contains given instance of model by ID.
* It is made, because PHPixie doesn't contain Unit of Work feature.
*
* @param Model $model
* @return bool
*/
public function containsById(Model $model)
{
if ($model === null || !$model->loaded() || !$this->loaded()) {
return false;
}
if (__CLASS__ !== get_class($model)) {
return false;
}
$idField = $this->id_field;
foreach ($this as $item) {
if ($model->{$idField} == $item->{$idField}) {
return true;
}
}
return false;
}
/**
* @param Model $model PHPixie's model
* @param null $rpcClassName GWT name of the entity
* @return null|\IsSerializable
*/
public function transform(Model $model, $rpcClassName = null)
{
if ($model === null || !$model->loaded()) {
return null;
}
if ($rpcClassName === null) {
$rpcClassName = preg_replace('|^.*\\\\|', '', get_class($model));
}
$fields = array_keys(get_class_vars($rpcClassName));
$columns = $model->columns();
$meta = self::loadMetaData($rpcClassName);
$object = new $rpcClassName();
foreach ($fields as $field) {
if (!in_array($field, $columns)) {
continue;
}
$value = $model->__get($field);
if (@$meta['fields'][$field]['type'] == 'Date') {
$value = $value ? new \Date(strtotime($value)) : null;
}
$object->{$field} = $value;
}
return $object;
}
/**
* Move current node to a new position in the tree.
*
* @param \PHPixie\ORM\Model $parent Parent to append the node to.
* @param bool $append_to_beginning Prepend node to the beginning of children list.
* @param bool $children_only Whether to move children of the node instead of the whole node.
* Defaults to false.
* @return void
*/
protected function move_to($parent, $append_to_beginning = false, $children_only = false)
{
$width = $this->width();
if ($children_only) {
$width = $width - 2;
}
if ($parent != null && $parent->loaded()) {
$lpos = $append_to_beginning ? $parent->lpos + 1 : $parent->rpos;
$depth = $parent->depth + 1;
} else {
$lpos = ($append_to_beginning ? 0 : $this->max_rpos_query()->execute()->current()->rpos) + 1;
$depth = 0;
}
$rpos = $lpos + $width - 1;
if ($this->model->loaded()) {
$this->reverse_children_pos_query()->execute();
}
$this->pad_rpos_query($lpos, $width)->execute();
$this->pad_lpos_query($lpos, $width)->execute();
if ($this->model->loaded()) {
$this->collapse_rpos_query($width, $children_only)->execute();
$this->collapse_lpos_query($width)->execute();
$depth_offset = $depth - $this->model->depth;
if ($lpos > $this->model->lpos) {
$lpos = $lpos - $width;
$rpos = $rpos - $width;
}
$pos_offset = $lpos - $this->model->lpos;
if ($children_only) {
$pos_offset = $pos_offset - 1;
$depth_offset = $depth_offset - 1;
}
$this->update_reversed_query($pos_offset, $depth_offset)->execute();
}
if (!$children_only) {
$this->model->lpos = $lpos;
$this->model->depth = $depth;
$this->model->rpos = $rpos;
} else {
if ($lpos < $this->model->lpos) {
$this->model->lpos = $this->model->lpos + $width;
}
$this->model->rpos = $this->model->lpos + 1;
}
}
/**
* Removes a relationship between current item and the passed one
*
* @param string $relation Name of the relationship
* @param \PHPixie\ORM\Model $model ORM item to remove relationship with. Can be omitted for 'belongs_to' relationships
* @return void
* @throws \Exception If realtionship is not defined
* @throws \Exception If current item is not in the database yet (isn't considered loaded())
* @throws \Exception If passed item is not in the database yet (isn't considered loaded())
*/
public function remove($relation, $model = null)
{
if (!$this->loaded()) {
throw new \Exception("Model must be loaded before you try removing relationships from it.");
}
$rels = array_merge($this->has_one, $this->has_many, $this->belongs_to);
$rel = $this->pixie->arr($rels, $relation, false);
if (!$rel) {
throw new \Exception("Model doesn't have a '{$relation}' relation defined");
}
if ($rel['type'] != 'belongs_to' && (!$model || !$model->loaded())) {
throw new \Exception("Model must be loaded before being removed from a has_one or has_many relationship.");
}
if ($rel['type'] == 'belongs_to') {
$key = $rel['key'];
$this->{$key} = null;
$this->save();
} elseif (isset($rel['through'])) {
$this->conn->query('delete')->table($rel['through'])->where(array(array($rel['key'], $this->_row[$this->id_field]), array($rel['foreign_key'], $model->_row[$model->id_field])))->execute();
} else {
$key = $rel['key'];
$model->{$key} = null;
$model->save();
}
$this->cached = array();
}
