/**
* @throws Exception
*/
public function beforeUpdate()
{
if ($this->node !== null && !$this->node->getIsNewRecord()) {
$this->node->refresh();
}
switch ($this->operation) {
case self::OPERATION_MAKE_ROOT:
if ($this->treeAttribute === false) {
throw new Exception('Can not move a node as the root when "treeAttribute" is false.');
}
if ($this->owner->isRoot()) {
throw new Exception('Can not move the root node as the root.');
}
break;
case self::OPERATION_INSERT_BEFORE:
case self::OPERATION_INSERT_AFTER:
if ($this->node->isRoot()) {
throw new Exception('Can not move a node when the target node is root.');
}
case self::OPERATION_PREPEND_TO:
case self::OPERATION_APPEND_TO:
if ($this->node->getIsNewRecord()) {
throw new Exception('Can not move a node when the target node is new record.');
}
if ($this->owner->equals($this->node)) {
throw new Exception('Can not move a node when the target node is same.');
}
if ($this->node->isChildOf($this->owner)) {
throw new Exception('Can not move a node when the target node is child.');
}
}
}
/**
* @inheritdoc
* @param ActiveRecord $owner
*/
public function attach($owner)
{
$this->attribute = (array) $this->attribute;
$primaryKey = $owner->primaryKey();
$primaryKey = is_array($primaryKey) ? array_shift($primaryKey) : $primaryKey;
if (in_array($primaryKey, $this->attribute, true) && $owner->getIsNewRecord()) {
$this->attributes[ActiveRecord::EVENT_AFTER_INSERT] = $this->slugAttribute;
}
parent::attach($owner);
}
/**
* @param bool $forInsertNear
* @throws Exception
*/
protected function checkNode($forInsertNear = false)
{
if ($forInsertNear && $this->node->isRoot()) {
throw new Exception('Can not move a node before/after root.');
}
if ($this->node->getIsNewRecord()) {
throw new Exception('Can not move a node when the target node is new record.');
}
if ($this->owner->equals($this->node)) {
throw new Exception('Can not move a node when the target node is same.');
}
if ($this->checkLoop && $this->node->isChildOf($this->owner)) {
throw new Exception('Can not move a node when the target node is child.');
}
}
/**
* @param int $to
* @param int $depth
* @throws Exception
*/
protected function insertNode($to, $depth = 0)
{
if ($this->node->getIsNewRecord()) {
throw new Exception('Can not create a node when the target node is new record.');
}
if ($depth === 0 && $this->node->isRoot()) {
throw new Exception('Can not insert a node before/after root.');
}
$this->owner->setAttribute($this->leftAttribute, $to);
$this->owner->setAttribute($this->rightAttribute, $to + 1);
$this->owner->setAttribute($this->depthAttribute, $this->node->getAttribute($this->depthAttribute) + $depth);
if ($this->treeAttribute !== null) {
$this->owner->setAttribute($this->treeAttribute, $this->node->getAttribute($this->treeAttribute));
}
$this->shift($to, null, 2);
}
/**
* @throws Exception
*/
public function beforeUpdate()
{
if ($this->node !== null && !$this->node->getIsNewRecord()) {
$this->node->refresh();
}
switch ($this->operation) {
case self::OPERATION_MAKE_ROOT:
if ($this->treeAttribute === false) {
throw new Exception('Can not move a node as the root when "treeAttribute" is false.');
}
if ($this->owner->isRoot()) {
throw new Exception('Can not move the root node as the root.');
}
if (!$this->treeAttributeById) {
if ($this->owner->getOldAttribute($this->treeAttribute) === $this->owner->getAttribute($this->treeAttribute)) {
throw new Exception('Can not move a node as the root when its tree attribute "' . $this->treeAttribute . '" is not changed.');
}
if ($this->owner->find()->andWhere([$this->treeAttribute => $this->owner->getAttribute($this->treeAttribute), $this->leftAttribute => 1])->one()) {
throw new Exception('Can not move a node as the root when another root with this "' . $this->treeAttribute . '" already exists.');
}
}
break;
case self::OPERATION_INSERT_BEFORE:
case self::OPERATION_INSERT_AFTER:
if ($this->node->isRoot()) {
throw new Exception('Can not move a node when the target node is root.');
}
case self::OPERATION_PREPEND_TO:
case self::OPERATION_APPEND_TO:
if ($this->node->getIsNewRecord()) {
throw new Exception('Can not move a node when the target node is new record.');
}
if ($this->owner->equals($this->node)) {
throw new Exception('Can not move a node when the target node is same.');
}
if ($this->node->isChildOf($this->owner)) {
throw new Exception('Can not move a node when the target node is child.');
}
}
}
/**
* Find all SEO data.
* Result will be in format ['condition1'=>Seo(), 'condition2'=>Seo(), ...]
* @param ActiveRecord $owner the model for which to find data
* @return self[]
*/
public static function findAll(ActiveRecord $owner)
{
/** @var self[] $seoList */
$seoList = [];
if ($owner->getIsNewRecord()) {
return $seoList;
}
$query = (new Query())->from(Seo::tableName($owner))->andWhere(['model_id' => $owner->getPrimaryKey()]);
foreach ($query->all($owner->getDb()) as $seo) {
$seo = new Seo($seo);
$seo->_isNewRecord = false;
$seo->_owner = $owner;
$seoList[$seo['condition']] = $seo;
}
return $seoList;
}
/**
* Establishes the relationship between two models.
*
* The relationship is established by setting the foreign key value(s) in one model
* to be the corresponding primary key value(s) in the other model.
* The model with the foreign key will be saved into database without performing validation.
*
* If the relationship involves a pivot table, a new row will be inserted into the
* pivot table which contains the primary key values from both models.
*
* Note that this method requires that the primary key value is not null.
*
* @param string $name the case sensitive name of the relationship
* @param ActiveRecord $model the model to be linked with the current one.
* @param array $extraColumns additional column values to be saved into the pivot table.
* This parameter is only meaningful for a relationship involving a pivot table
* (i.e., a relation set with `[[ActiveRelation::via()]]` or `[[ActiveRelation::viaTable()]]`.)
* @throws InvalidCallException if the method is unable to link two models.
*/
public function link($name, $model, $extraColumns = [])
{
$relation = $this->getRelation($name);
if ($relation->via !== null) {
if ($this->getIsNewRecord() || $model->getIsNewRecord()) {
throw new InvalidCallException('Unable to link models: both models must NOT be newly created.');
}
if (is_array($relation->via)) {
/** @var ActiveRelation $viaRelation */
list($viaName, $viaRelation) = $relation->via;
$viaClass = $viaRelation->modelClass;
// unset $viaName so that it can be reloaded to reflect the change
unset($this->_related[$viaName]);
} else {
$viaRelation = $relation->via;
$viaTable = reset($relation->via->from);
}
$columns = [];
foreach ($viaRelation->link as $a => $b) {
$columns[$a] = $this->{$b};
}
foreach ($relation->link as $a => $b) {
$columns[$b] = $model->{$a};
}
foreach ($extraColumns as $k => $v) {
$columns[$k] = $v;
}
if (is_array($relation->via)) {
/** @var $viaClass ActiveRecord */
/** @var $record ActiveRecord */
$record = new $viaClass();
foreach ($columns as $column => $value) {
$record->{$column} = $value;
}
$record->insert(false);
} else {
/** @var $viaTable string */
static::getDb()->createCommand()->insert($viaTable, $columns)->execute();
}
} else {
$p1 = $model->isPrimaryKey(array_keys($relation->link));
$p2 = $this->isPrimaryKey(array_values($relation->link));
if ($p1 && $p2) {
if ($this->getIsNewRecord() && $model->getIsNewRecord()) {
throw new InvalidCallException('Unable to link models: both models are newly created.');
} elseif ($this->getIsNewRecord()) {
$this->bindModels(array_flip($relation->link), $this, $model);
} else {
$this->bindModels($relation->link, $model, $this);
}
} elseif ($p1) {
$this->bindModels(array_flip($relation->link), $this, $model);
} elseif ($p2) {
$this->bindModels($relation->link, $model, $this);
} else {
throw new InvalidCallException('Unable to link models: the link does not involve any primary key.');
}
}
// update lazily loaded related objects
if (!$relation->multiple) {
$this->_related[$name] = $model;
} elseif (isset($this->_related[$name])) {
if ($relation->indexBy !== null) {
$indexBy = $relation->indexBy;
$this->_related[$name][$model->{$indexBy}] = $model;
} else {
$this->_related[$name][] = $model;
}
}
}
/**
* @param int $left
* @param int $right
* @param int $depth
* @param bool $forward
* @param array|null $parent
* @throws Exception
*/
protected function insertNode($left, $right, $depth = 0, $forward = true, $parent = null)
{
if ($this->node->getIsNewRecord()) {
throw new Exception('Can not create a node when the target node is new record.');
}
if ($depth === 0 && $this->getNodeBehavior()->isRoot()) {
throw new Exception('Can not insert a node before/after root.');
}
$this->owner->setAttribute($this->depthAttribute, $this->node->getAttribute($this->depthAttribute) + $depth);
if ($this->treeAttribute !== null) {
$this->owner->setAttribute($this->treeAttribute, $this->node->getAttribute($this->treeAttribute));
}
if ($right - $left < 3) {
for ($i = $right - $left; $i < 3; $i++) {
$unallocated = $this->findUnallocatedAll($left, $right);
if ($unallocated < $left) {
$this->shift($unallocated, $left, -1);
$left--;
} else {
$this->shift($right, $unallocated, 1);
$right++;
}
}
$this->owner->setAttribute($this->leftAttribute, $left + 1);
$this->owner->setAttribute($this->rightAttribute, $right - 1);
} else {
$left++;
$right--;
$isPadding = false;
if ($depth === 1 || $parent !== null) {
// prepending/appending
if (is_array($this->amountOptimize)) {
if (isset($this->amountOptimize[$depth - 1])) {
$amountOptimize = $this->amountOptimize[$depth - 1];
} else {
$amountOptimize = $this->amountOptimize[count($this->amountOptimize) - 1];
}
} else {
$amountOptimize = $this->amountOptimize;
}
$pLeft = $parent !== null ? (int) $parent[$this->leftAttribute] : $this->node->getAttribute($this->leftAttribute);
$pRight = $parent !== null ? (int) $parent[$this->rightAttribute] : $this->node->getAttribute($this->rightAttribute);
$isCenter = !$this->noAppend && !$this->noPrepend;
$isFirst = $left === $pLeft + 1 && $right === $pRight - 1;
$isPadding = !$this->noInsert || $isFirst && ($forward ? !$this->noPrepend : !$this->noAppend);
$step = $amountOptimize + $this->reserveFactor * ($this->noInsert ? $isCenter ? 2 : 1 : $amountOptimize + 1);
$step = ($pRight - $pLeft - 1) / $step;
$stepGap = $step * $this->reserveFactor;
$padding = $isPadding ? $stepGap : 0;
if ($forward) {
$pLeft = $left + (int) floor($padding);
$pRight = $left + (int) floor($padding + $step) - 1;
} else {
$pLeft = $right - (int) floor($padding + $step) + 1;
$pRight = $right - (int) floor($padding);
}
if ($isFirst && $isCenter) {
$initPosition = (int) floor(($amountOptimize - 1) / 2) * (int) floor($step + ($this->noInsert ? 0 : $stepGap)) + ($this->noInsert ? 1 : 0);
$pLeft += $forward ? $initPosition : -$initPosition;
$pRight += $forward ? $initPosition : -$initPosition;
}
if ($pLeft < $pRight && $pRight <= $right && $left <= $pLeft && ($forward || $left < $pLeft) && (!$forward || $pRight < $right)) {
$this->owner->setAttribute($this->leftAttribute, $pLeft);
$this->owner->setAttribute($this->rightAttribute, $pRight);
return;
}
}
$isPadding = $isPadding || !$this->noInsert;
$step = (int) floor(($right - $left) / ($isPadding ? 3 : 2));
$this->owner->setAttribute($this->leftAttribute, $left + ($forward && !$isPadding ? 0 : $step));
$this->owner->setAttribute($this->rightAttribute, $right - (!$forward && !$isPadding ? 0 : $step));
}
}
