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Merge pull request #1193 from cakephp/feature/faster-tree-recover

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make tree recovery much, much simpler
This commit is contained in:
Andy Dawson 2013-03-26 13:23:55 -07:00
commit 913f3dccf0
1 changed files with 73 additions and 13 deletions
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86
lib/Cake/Model/Behavior/TreeBehavior.php
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@ -627,19 +627,8 @@ class TreeBehavior extends ModelBehavior {
$Model->updateAll(array($Model->escapeField($parent) => $missingParentAction), array($Model->escapeField($Model->primaryKey) => array_flip($missingParents)));
}
}
$count = 1;
foreach ($Model->find('all', array('conditions' => $scope, 'fields' => array($Model->primaryKey), 'order' => $left)) as $array) {
$lft = $count++;
$rght = $count++;
$Model->create(false);
$Model->id = $array[$Model->alias][$Model->primaryKey];
$Model->save(array($left => $lft, $right => $rght), array('callbacks' => false, 'validate' => false));
}
foreach ($Model->find('all', array('conditions' => $scope, 'fields' => array($Model->primaryKey, $parent), 'order' => $left)) as $array) {
$Model->create(false);
$Model->id = $array[$Model->alias][$Model->primaryKey];
$this->_setParent($Model, $array[$Model->alias][$parent]);
}
$this->_recoverByParentId($Model);
} else {
$db = ConnectionManager::getDataSource($Model->useDbConfig);
foreach ($Model->find('all', array('conditions' => $scope, 'fields' => array($Model->primaryKey, $parent), 'order' => $left)) as $array) {
@ -654,6 +643,77 @@ class TreeBehavior extends ModelBehavior {
return true;
}
/**
* _recoverByParentId
*
* Recursive helper function used by recover
*
* @param Model $Model
* @param integer $counter
* @param mixed $parentId
* @return integer $counter
*/
protected function _recoverByParentId(Model $Model, $counter = 1, $parentId = null) {
$params = array(
'conditions' => array(
$this->settings[$Model->alias]['parent'] => $parentId
),
'fields' => array($Model->primaryKey),
'page' => 1,
'limit' => 100,
'order' => array($Model->primaryKey)
);
$scope = $this->settings[$Model->alias]['scope'];
if ($scope && ($scope !== '1 = 1' && $scope !== true)) {
$conditions[] = $scope;
}
$children = $Model->find('all', $params);
$hasChildren = (bool)$children;
if (!is_null($parentId)) {
if($hasChildren) {
$Model->updateAll(
array($this->settings[$Model->alias]['left'] => $counter),
array($Model->escapeField() => $parentId)
);
$counter++;
} else {
$Model->updateAll(
array(
$this->settings[$Model->alias]['left'] => $counter,
$this->settings[$Model->alias]['right'] => $counter + 1
),
array($Model->escapeField() => $parentId)
);
$counter += 2;
}
}
while ($children) {
foreach ($children as $row) {
$counter = $this->_recoverByParentId($Model, $counter, $row[$Model->alias][$Model->primaryKey]);
}
if (count($children) !== $params['limit']) {
break;
}
$params['page']++;
$children = $Model->find('all', $params);
}
if (!is_null($parentId) && $hasChildren) {
$Model->updateAll(
array($this->settings[$Model->alias]['right'] => $counter),
array($Model->escapeField() => $parentId)
);
$counter++;
}
return $counter;
}
/**
* Reorder method.
*