public function afterDelete(Model &$model)
{
$class = get_class($model);
$relations = $class::getRelations();
foreach ($relations as $name => $relation) {
switch ($relation['type']) {
case Model::MANY_TO_MANY:
$linkTable = $class::getRelationLinkName($relation);
$query = new QueryBuilder();
$query->delete()->table($linkTable)->where($class::getManyToManyThisLinkColumnName() . '=:id');
$query->params([':id' => $model->getPk()]);
$class::getDbConnection()->execute($query);
}
}
return true;
}
/**
* @param string|\T4\Dbal\QueryBuilder $query
* @param array $params
* @return \T4\Dbal\Statement
*/
public function query($query, array $params = [])
{
if ($query instanceof QueryBuilder) {
$params = array_merge($params, $query->getParams());
$query = $query->getQuery($this->getDriver());
}
$statement = $this->pdo->prepare($query);
$statement->execute($params);
return $statement;
}
public function actionSetupBlock($sectionId, $blockPath)
{
$query = new QueryBuilder();
$query->select('MAX(' . Block::getDbDriver()->quoteName('order') . ')')->from(Block::getTableName())->where('section=:section')->params([':section' => $sectionId]);
$maxOrder = (int) $this->app->db->default->query($query)->fetchScalar();
$block = new Block();
$block->section = $sectionId;
$block->path = $blockPath;
$block->template = '';
$params = [];
foreach ($this->app->config->blocks->{$blockPath}->options as $optionName => $options) {
$params[$optionName] = $options->default;
}
$block->options = json_encode($params);
$block->order = $maxOrder + 10;
if (false !== $block->save()) {
$this->data->id = $block->getPK();
$this->data->result = true;
} else {
$this->data->result = false;
}
}
/**
* Создает пустое место в дереве заданной ширины
* Место создается ВНУТРИ элемента с заданным rgt как ПОСЛЕДНИЙ его потомок
* @param \T4\Dbal\Connection $connection
* @param string $table
* @param int $rgt
* @param int $width
*/
protected function expandTreeBeforeRgt(Connection $connection, $table, $rgt, $width)
{
$query = new QueryBuilder();
$query->update()->table($table)->values(['__lft' => 'CASE WHEN __lft>=:rgt THEN __lft + (:width + 1) ELSE __lft END', '__rgt' => 'CASE WHEN __rgt>=:rgt THEN __rgt + (:width + 1) ELSE __rgt END'])->where('__lft>=:rgt OR __rgt>=:rgt')->order('__lft DESC');
$query->params([':rgt' => $rgt, ':width' => $width]);
$connection->execute($query);
}
public function countAllByColumn($class, $column, $value, $options = [])
{
$query = new QueryBuilder();
$query->select('COUNT(*)')->from($class::getTableName())->where('`' . $column . '`=:value')->params([':value' => $value]);
return $class::getDbConnection()->query($query->getQuery($this), $query->getParams())->fetchScalar();
}
protected function delete(Migration $migration)
{
$query = new QueryBuilder();
if ($this->app->db->default->getDriverName() == 'mysql') {
$column = '`time`';
} else {
$column = '"time"';
}
$query->delete(self::TABLE_NAME)->where($column . '=:time')->params([':time' => $migration->getTimestamp()]);
$this->app->db->default->execute($query);
}
/**
* "Ленивое" получение данных связи для моделей
* @param string $key
* @param array $options
* @return mixed
* @throws Exception
*/
public function getRelationLazy($key, $options = [])
{
$class = get_class($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:
$relationClass = $relation['model'];
$link = $class::getRelationLinkName($relation);
$subModel = $relationClass::findByPK($this->{$link});
if (empty($subModel)) {
return null;
} else {
return $relationClass::findByPK($this->{$link});
}
break;
case $class::HAS_ONE:
$relationClass = $relation['model'];
$link = $class::getRelationLinkName($relation);
return $relationClass::findByColumn($link, $this->getPk(), $options);
break;
case $class::HAS_MANY:
$relationClass = $relation['model'];
$link = $class::getRelationLinkName($relation);
return $relationClass::findAllByColumn($link, $this->getPk(), $options);
break;
case $class::MANY_TO_MANY:
$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 QueryBuilder();
$query->select('t1.*' . $pivotColumnsSql)->from($relationClass::getTableName())->join($linkTable, 't1.' . $relationClass::PK . '=j1.' . static::getManyToManyThatLinkColumnName($relation), 'right')->where('(j1.' . static::getManyToManyThisLinkColumnName() . '=:id)' . (isset($options['where']) ? ' AND (' . $options['where'] . ')' : ''));
if (isset($options['order'])) {
$query->order($options['order']);
}
$query->params([':id' => $this->getPk()]);
$result = $relationClass::getDbConnection()->query($query)->fetchAll(\PDO::FETCH_CLASS, $relationClass);
if (!empty($result)) {
$ret = new Collection($result);
$ret->setNew(false);
return $ret;
} else {
return new Collection();
}
}
}
/**
* TODO: много лишних isset, которые всегда true по определению
* Сохранение полей модели без учета связей, требующих ID модели
* @param Model $model
* @return Model
*/
protected function saveColumns(Model $model)
{
$class = get_class($model);
$columns = $class::getColumns();
$relations = $class::getRelations();
$cols = [];
$sets = [];
$data = [];
foreach ($columns as $column => $def) {
if (isset($model->{$column}) && !is_null($model->{$column})) {
$cols[] = $column;
$sets[$column] = ':' . $column;
$data[':' . $column] = $model->{$column};
} elseif (isset($def['default'])) {
$sets[$column] = ':' . $column;
$data[':' . $column] = $def['default'];
}
}
foreach ($relations as $rel => $def) {
switch ($def['type']) {
case $class::BELONGS_TO:
$column = $class::getRelationLinkName($def);
if (!in_array($column, $cols)) {
if (isset($model->{$column}) && !is_null($model->{$column})) {
$sets[$column] = ':' . $column;
$data[':' . $column] = $model->{$column};
} elseif (isset($model->{$rel}) && $model->{$rel} instanceof Model) {
$sets[$column] = ':' . $column;
$data[':' . $column] = $model->{$rel}->getPk();
}
}
break;
}
}
$connection = $class::getDbConnection();
if ($model->isNew()) {
$sql = new QueryBuilder();
$sql->insert($class::getTableName())->values($sets);
$connection->execute($sql, $data);
$model->{$class::PK} = $connection->lastInsertId();
} else {
$sql = new QueryBuilder();
$sql->update($class::getTableName())->values($sets)->where($class::PK . '=' . $model->getPk());
$connection->execute($sql, $data);
}
return $model;
}
public function __call($method, $argv)
{
/** @var \T4\Orm\Model $model */
$model = $argv[0];
array_shift($argv);
/* @var \T4\Orm\Model $class */
$class = get_class($model);
$tableName = $class::getTableName();
/** @var \T4\Dbal\Connection $connection */
$connection = $class::getDbConnection();
switch ($method) {
case 'refreshTreeColumns':
$sql = new QueryBuilder();
$sql->select(['__lft', '__rgt', '__lvl', '__prt'])->from($tableName)->where('t1.' . $class::PK . '=:id');
$columns = $connection->query($sql, [':id' => $model->getPk()])->fetch();
$model->merge($columns);
return $model;
case 'getTreeWidth':
if ($model->isNew()) {
return 1;
} else {
return $model->__rgt - $model->__lft;
}
case 'findAllParents':
$query = new QueryBuilder();
$query->select('*')->from($class::getTableName())->where('__lft<:lft AND __rgt>:rgt')->order('__lft')->params([':lft' => $model->__lft, ':rgt' => $model->__rgt]);
return $class::findAllByQuery($query);
case 'findAllChildren':
$query = new QueryBuilder();
$query->select('*')->from($class::getTableName())->where('__lft>:lft AND __rgt<:rgt')->order('__lft')->params([':lft' => $model->__lft, ':rgt' => $model->__rgt]);
return $class::findAllByQuery($query);
case 'hasChildren':
$query = new QueryBuilder();
$query->select('COUNT(*)')->from($class::getTableName())->where('__lft>:lft AND __rgt<:rgt')->order('__lft')->params([':lft' => $model->__lft, ':rgt' => $model->__rgt]);
return 0 != $connection->query($query)->fetchScalar();
case 'findSubTree':
$query = new QueryBuilder();
$query->select('*')->from($class::getTableName())->where('__lft>=:lft AND __rgt<=:rgt')->order('__lft')->params([':lft' => $model->__lft, ':rgt' => $model->__rgt]);
return $class::findAllByQuery($query);
case 'hasPrevSibling':
$query = new QueryBuilder();
$query->select('COUNT(*)')->from($class::getTableName())->where('__rgt<:lft AND __prt=:prt')->params([':lft' => $model->__lft, ':prt' => $model->__prt]);
return 0 != $connection->query($query)->fetchScalar();
case 'getPrevSibling':
$query = new QueryBuilder();
$query->select('*')->from($class::getTableName())->where('__rgt<:lft AND __prt=:prt')->order('__lft DESC')->limit(1)->params([':lft' => $model->__lft, ':prt' => $model->__prt]);
return $class::findByQuery($query);
case 'hasNextSibling':
$query = new QueryBuilder();
$query->select('COUNT(*)')->from($class::getTableName())->where('__lft>:rgt AND __prt=:prt')->params([':rgt' => $model->__rgt, ':prt' => $model->__prt]);
return 0 != $connection->query($query)->fetchScalar();
case 'getNextSibling':
$query = new QueryBuilder();
$query->select('*')->from($class::getTableName())->where('__lft>:rgt AND __prt=:prt')->order('__lft')->limit(1)->params([':rgt' => $model->__rgt, ':prt' => $model->__prt]);
return $class::findByQuery($query);
case 'insertBefore':
$element = $argv[0];
$this->insertModelBeforeElement($model, $element);
return $model;
break;
case 'insertAfter':
$element = $argv[0];
$this->insertModelAfterElement($model, $element);
return $model;
break;
case 'moveToFirstPosition':
$parent = $model->parent;
if (empty($parent)) {
$this->insertModelAsFirstRoot($model);
} else {
$this->insertModelAsFirstChildOf($model, $parent);
}
return $model;
case 'moveToLastPosition':
$parent = $model->parent;
if (empty($parent)) {
$this->insertModelAsLastRoot($model);
} else {
$this->insertModelAsLastChildOf($model, $parent);
}
return $model;
}
}
/**
* Merges queries
*
* @param array|QueryBuilder|\T4\Core\IArrayable $prototype
* @param string $operator AND, OR
* @return self
* @throws \InvalidArgumentException
* @throws \DomainException
*/
public function merge($prototype, $operator = 'and')
{
if ($prototype instanceof QueryBuilder) {
$params = $prototype->getParams();
$prototype = $prototype->toArray();
$prototype['params'] = $params;
} elseif ($prototype instanceof \T4\Core\IArrayable) {
$prototype = $prototype->toArray();
}
if (!is_array($prototype) && !$prototype instanceof \ArrayAccess) {
throw new \InvalidArgumentException('Invalid builder type!');
}
if (!empty($this->mode) && !empty($prototype['mode']) && $this->mode !== $prototype['mode']) {
throw new \DomainException('Query mode is not much!');
}
if (!empty($prototype['select'])) {
$this->select($prototype['select']);
}
if (!empty($prototype['from'])) {
$this->from($prototype['from']);
}
if (!empty($prototype['where'])) {
$this->where = empty($this->where) ? $prototype['where'] : "({$this->where}) {$operator} ({$prototype['where']})";
}
foreach (['group', 'order', 'limit', 'offset'] as $property) {
if (!empty($prototype[$property])) {
$this->{$property} = $prototype[$property];
}
}
foreach (['joins', 'params', 'insertTables', 'updateTables', 'deleteTables', 'values'] as $arrayProperty) {
if (!empty($prototype[$arrayProperty])) {
$this->{$arrayProperty} = array_merge($this->{$arrayProperty} ?? [], $prototype[$arrayProperty]);
}
}
return $this;
}
/**
* Удаление узла дерева
* В данном методе удаляются все его подузлы
* @param \T4\Orm\Model $model
* @return bool
*/
public function afterDelete(Model &$model)
{
/** @var \T4\Orm\Model $class */
$class = get_class($model);
$tableName = $class::getTableName();
/** @var \T4\Dbal\Connection $connection */
$connection = $class::getDbConnection();
$query = new QueryBuilder();
$query->delete()->table($tableName)->where('__lft>:lft AND __rgt<:rgt');
$query->params([':lft' => $model->__lft, ':rgt' => $model->__rgt]);
$connection->execute($query);
$this->removeFromTreeByLftRgt($connection, $tableName, $model->__lft, $model->__rgt);
$model->__lft = 0;
$model->__rgt = 0;
$model->__lvl = 0;
$model->__prt = 0;
}
