/**
* @param string $class
* @param ORM $orm
* @throws SourceException
*/
public function __construct($class = null, ORM $orm = null)
{
if (empty($class)) {
if (empty(static::RECORD)) {
throw new SourceException("Unable to create source without associate class.");
}
$class = static::RECORD;
}
$this->class = $class;
$this->orm = $this->saturate($orm, ORM::class);
$this->setSelector($this->orm->selector($this->class));
}
/**
* @param Debugger $debugger
* @param ORM $orm
* @param ContainerInterface $container
* @param ClassLocator $locator
*/
public function perform(Debugger $debugger, ORM $orm, ContainerInterface $container, ClassLocator $locator)
{
//We don't really need location errors here
$locator->setLogger(new NullLogger());
$benchmark = $debugger->benchmark($this, 'update');
$builder = $orm->schemaBuilder($locator);
//To make builder available for other commands (in sequence)
$container->bind(get_class($builder), $builder);
if (!$this->option('sync')) {
$this->writeln("<comment>Silent mode on, no databases to be altered.</comment>");
}
$orm->updateSchema($builder, $this->option('sync'));
$elapsed = number_format($debugger->benchmark($this, $benchmark), 3);
$countModels = count($builder->getRecords());
$this->write("<info>ORM Schema has been updated: <comment>{$elapsed} s</comment>");
$this->writeln(", found records: <comment>{$countModels}</comment></info>");
}
/**
* {@inheritdoc}
*
* @return RecordInterface
* @see ORM::record()
* @see Record::setContext()
* @throws ORMException
*/
public function current()
{
if (isset($this->instances[$this->position])) {
//Due record was pre-constructed we must update it's context to force values for relations
//and pivot fields
return $this->instances[$this->position];
}
//Let's ask ORM to create needed record
return $this->instances[$this->position] = $this->orm->record($this->class, $this->data[$this->position], $this->cache);
}
/**
* Fetch one record from database. Attention, LIMIT statement will be used, meaning you can not
* use loaders for HAS_MANY or MANY_TO_MANY relations with data inload (joins), use default
* loading method.
*
* @see findByPK()
* @param array $where Selection WHERE statement.
* @param bool $setLimit Use limit 1.
* @return RecordEntity|null
*/
public function findOne(array $where = [], $setLimit = true)
{
if (!empty($where)) {
$this->where($where);
}
$data = $this->limit($setLimit ? 1 : null)->fetchData();
if (empty($data)) {
return null;
}
return $this->orm->record($this->class, $data[0]);
}
/**
* Create instance of inspector associated with ORM and ODM entities.
*
* @param InspectionsConfig $config
* @param ODM $odm
* @param ORM $orm
* @return Inspector
*/
protected function createInspector(InspectionsConfig $config, ODM $odm, ORM $orm)
{
if ($this->container->has(\Spiral\ODM\Entities\SchemaBuilder::class)) {
$odmBuilder = $this->container->get(\Spiral\ODM\Entities\SchemaBuilder::class);
} else {
$odmBuilder = $odm->schemaBuilder();
}
if ($this->container->has(\Spiral\ORM\Entities\SchemaBuilder::class)) {
$ormBuilder = $this->container->get(\Spiral\ORM\Entities\SchemaBuilder::class);
} else {
$ormBuilder = $orm->schemaBuilder();
}
return new Inspector($config, array_merge($odmBuilder->getDocuments(), $ormBuilder->getRecords()));
}
/**
* Create appropriate instance of RelationSchema based on it's definition provided by ORM Record
* or manually. Due internal format first definition key will be stated as definition type and
* key value as record/entity definition relates too.
*
* @param RecordSchema $record
* @param string $name
* @param array $definition
* @return RelationInterface
* @throws SchemaException
*/
public function relationSchema(RecordSchema $record, $name, array $definition)
{
if (empty($definition)) {
throw new SchemaException("Relation definition can not be empty.");
}
reset($definition);
//Relation type must be provided as first in definition
$type = key($definition);
//We are letting ORM to resolve relation schema using container
$relation = $this->orm->relationSchema($type, $this, $record, $name, $definition);
if ($relation->hasEquivalent()) {
//Some relations may declare equivalent relation to be used instead, used for Morphed
//relations
return $relation->createEquivalent();
}
return $relation;
}
/**
* Save simple related entity.
*
* @param EntityInterface $entity
* @param bool $validate
* @return bool|void
*/
private function saveEntity(EntityInterface $entity, $validate)
{
if ($entity instanceof RecordInterface && $entity->isDeleted()) {
return true;
}
if (!$entity instanceof ActiveEntityInterface) {
throw new RelationException("Unable to save non active entity.");
}
$this->mountRelation($entity);
if (!$entity->save($validate)) {
return false;
}
if ($entity instanceof IdentifiedInterface) {
$this->orm->cache()->remember($entity);
}
return true;
}
/**
* Execute query and every related query to compile records data in tree form - every relation
* data will be included as sub key.
*
* Attention, Selector will cache compiled data tree and not query itself to keep data integrity
* and to skip data compilation on second query.
*
* @return array
*/
public function fetchData()
{
//Pagination!
$this->applyPagination();
//Generating statement
$statement = $this->sqlStatement();
if (!empty($this->cacheLifetime)) {
$cacheKey = $this->cacheKey ?: md5(serialize([$statement, $this->getParameters()]));
if (empty($this->cacheStore)) {
$this->cacheStore = $this->orm->container()->get(CacheInterface::class)->store();
}
if ($this->cacheStore->has($cacheKey)) {
$this->logger()->debug("Selector result were fetched from cache.");
//We are going to store parsed result, not queries
return $this->cacheStore->get($cacheKey);
}
}
//We are bypassing run() method here to prevent query caching, we will prefer to cache
//parsed data rather that database response
$result = $this->database->query($statement, $this->getParameters());
//In many cases (too many inloads, too complex queries) parsing can take significant amount
//of time, so we better profile it
$benchmark = $this->benchmark('parseResult', $statement);
//Here we are feeding selected data to our primary loaded to parse it and and create
//data tree for our records
$this->loader->parseResult($result, $rowsCount);
$this->benchmark($benchmark);
//Memory freeing
$result->close();
//This must force loader to execute all post loaders (including ODM and etc)
$this->loader->loadData();
//Now we can request our primary loader for compiled data
$data = $this->loader->getResult();
//Memory free! Attention, it will not reset columns aliases but only make possible to run
//query again
$this->loader->clean();
if (!empty($this->cacheLifetime) && !empty($cacheKey)) {
//We are caching full records tree, not queries
$this->cacheStore->set($cacheKey, $data, $this->cacheLifetime);
}
return $data;
}
/**
* Create selector dedicated to load data for current loader.
*
* @return RecordSelector|null
*/
public function createSelector()
{
if (!$this->isLoadable()) {
return null;
}
$selector = $this->orm->selector($this->definition[static::RELATION_TYPE], $this);
//Setting columns to be loaded
$this->configureColumns($selector);
foreach ($this->loaders as $loader) {
if ($loader instanceof self) {
//Allowing sub loaders to configure required columns and conditions as well
$loader->configureSelector($selector);
}
}
foreach ($this->joiners as $joiner) {
//Joiners must configure selector as well
$joiner->configureSelector($selector);
}
return $selector;
}
/**
* {@inheritdoc}
*/
protected function container()
{
if (empty($this->orm)) {
return parent::container();
}
return $this->orm->container();
}
/**
* Instance of DBAL\Table associated with relation pivot table.
*
* @return Table
*/
protected function pivotTable()
{
return $this->orm->database($this->definition[ORM::R_DATABASE])->table($this->definition[RecordEntity::PIVOT_TABLE]);
}
/**
* Filter data on inner relation or relation chain. Method automatically called by Selector,
* see with() method. Logic is identical to loader() method.
*
* @see Selector::load()
* @param string $relation Relation name, or chain of relations separated by.
* @param array $options Loader options (will be applied to last chain element only).
* @return Loader
* @throws LoaderException
*/
public function joiner($relation, array $options = [])
{
//We have to force joining method for full chain
$options['method'] = self::JOIN;
if (($position = strpos($relation, '.')) !== false) {
//Chain of relations provided
$nested = $this->joiner(substr($relation, 0, $position), []);
if (empty($nested) || !$nested instanceof self) {
throw new LoaderException("Only ORM loaders can be used to generate/configure chain of relation joiners.");
}
//Recursively (will work only with ORM loaders).
return $nested->joiner(substr($relation, $position + 1), $options);
}
if (!isset($this->schema[ORM::M_RELATIONS][$relation])) {
$container = $this->container ?: $this->schema[ORM::M_ROLE_NAME];
throw new LoaderException("Undefined relation '{$relation}' under '{$container}'.");
}
if (isset($this->joiners[$relation])) {
//Updating existed joiner options
return $this->joiners[$relation]->setOptions($options);
}
$relationOptions = $this->schema[ORM::M_RELATIONS][$relation];
$joiner = $this->orm->loader($relationOptions[ORM::R_TYPE], $relation, $relationOptions[ORM::R_DEFINITION], $this);
if (!$joiner instanceof self) {
throw new LoaderException("Only ORM loaders can be used to generate/configure chain of relation joiners.");
}
return $this->joiners[$relation] = $joiner->setOptions($options);
}