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<?php |
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/** |
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* Spiral Framework, Core Components |
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* |
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* @author Wolfy-J |
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*/ |
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namespace Spiral\ODM; |
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use MongoDB\BSON\ObjectID; |
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use Spiral\Core\Component; |
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use Spiral\Core\Exceptions\ScopeException; |
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use Spiral\Core\Traits\SaturateTrait; |
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use Spiral\Models\AccessorInterface; |
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use Spiral\Models\Exceptions\AccessException; |
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use Spiral\Models\SchematicEntity; |
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use Spiral\Models\Traits\SolidableTrait; |
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use Spiral\ODM\Entities\DocumentCompositor; |
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use Spiral\ODM\Entities\DocumentInstantiator; |
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use Spiral\ODM\Exceptions\AccessorException; |
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use Spiral\ODM\Exceptions\AggregationException; |
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use Spiral\ODM\Exceptions\DocumentException; |
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use Spiral\ODM\Helpers\AggregationHelper; |
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use Spiral\ODM\Schemas\Definitions\CompositionDefinition; |
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/** |
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* Primary class for spiral ODM, provides ability to pack it's own updates in a form of atomic |
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* updates. |
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* |
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* You can use same properties to configure entity as in DataEntity + schema property. |
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* |
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* Example: |
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* |
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* class Test extends DocumentEntity |
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* { |
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* const SCHEMA = [ |
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* 'name' => 'string' |
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* ]; |
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* } |
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* |
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* Configuration properties: |
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* - schema |
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* - defaults |
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* - secured (* by default) |
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* - fillable |
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*/ |
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abstract class DocumentEntity extends SchematicEntity implements CompositableInterface |
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{ |
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use SaturateTrait, SolidableTrait; |
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/* |
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* Begin set of behaviour and description constants. |
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* ================================================ |
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*/ |
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/** |
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* Set of schema sections needed to describe entity behaviour. |
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*/ |
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const SH_INSTANTIATION = 0; |
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const SH_DEFAULTS = 1; |
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const SH_COMPOSITIONS = 6; |
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const SH_AGGREGATIONS = 7; |
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/** |
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* Constants used to describe aggregation relations (also used internally to identify |
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* composition). |
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* |
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* Example: |
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* 'items' => [self::MANY => Item::class, ['parentID' => 'key::_id']] |
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* |
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* @see DocumentEntity::SCHEMA |
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*/ |
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const MANY = 778; |
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const ONE = 899; |
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/* |
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* ================================================ |
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* End set of behaviour and description constants. |
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*/ |
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/** |
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* Class responsible for instance construction. |
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*/ |
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const INSTANTIATOR = DocumentInstantiator::class; |
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/** |
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* Document fields, accessors and relations. ODM will generate setters and getters for some |
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* fields based on their types. |
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* |
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* Example, fields: |
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* const SCHEMA = [ |
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* '_id' => 'MongoId', //Primary key field |
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* 'value' => 'string', //Default string field |
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* 'values' => ['string'] //ScalarArray accessor will be applied for fields like that |
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* ]; |
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* |
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* Compositions: |
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* const SCHEMA = [ |
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* ..., |
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* 'child' => Child::class, //One document are composited, for example user Profile |
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* 'many' => [Child::class] //Compositor accessor will be applied, allows to |
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* //composite many document instances |
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* ]; |
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* |
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* Documents can extend each other, in this case schema will also be inherited. |
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* |
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* Attention, make sure you properly set FILLABLE option in parent class to use constructions |
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* like: |
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* $parent->child = [...]; |
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* |
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* or |
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* $parent->setFields(['child'=>[...]]); |
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* |
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* @var array |
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*/ |
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const SCHEMA = []; |
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/** |
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* Default field values. |
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* |
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* @var array |
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*/ |
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const DEFAULTS = []; |
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/** |
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* Model behaviour configurations. |
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*/ |
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const SECURED = '*'; |
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const HIDDEN = []; |
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const FILLABLE = []; |
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const SETTERS = []; |
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const GETTERS = []; |
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const ACCESSORS = []; |
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/** |
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* Document behaviour schema. |
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* |
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* @var array |
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*/ |
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private $documentSchema = []; |
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/** |
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* Document field updates (changed values). |
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* |
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* @var array |
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*/ |
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private $changes = []; |
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/** |
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* Parent ODM instance, responsible for aggregations and lazy loading operations. |
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* |
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* @invisible |
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* @var ODMInterface |
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*/ |
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protected $odm; |
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/** |
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* {@inheritdoc} |
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* |
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* @param ODMInterface $odm To lazy create nested document ang aggregations. |
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* |
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* @throws ScopeException When no ODM instance can be resolved. |
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*/ |
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public function __construct(array $data = [], ODMInterface $odm = null, array $schema = null) |
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{ |
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//We can use global container as fallback if no default values were provided |
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$this->odm = $this->saturate($odm, ODMInterface::class); |
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//Use supplied schema or fetch one from ODM |
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$this->documentSchema = !empty($schema) ? $schema : $this->odm->define( |
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static::class, |
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ODMInterface::D_SCHEMA |
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); |
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$data = is_array($data) ? $data : []; |
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if (!empty($this->documentSchema[self::SH_DEFAULTS])) { |
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//Merging with default values |
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$data = array_replace_recursive($this->documentSchema[self::SH_DEFAULTS], $data); |
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} |
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parent::__construct($data, $this->documentSchema); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getField(string $name, $default = null, bool $filter = true) |
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{ |
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$this->assertField($name); |
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return parent::getField($name, $default, $filter); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* Tracks field changes. |
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*/ |
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public function setField(string $name, $value, bool $filter = true) |
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{ |
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$this->assertField($name); |
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$this->registerChange($name); |
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parent::setField($name, $value, $filter); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* Will restore default value if presented. |
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*/ |
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public function __unset($offset) |
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{ |
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if (!$this->isNullable($offset)) { |
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throw new AccessException("Unable to unset not nullable field '{$offset}'"); |
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} |
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$this->setField($offset, null, false); |
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} |
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/** |
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* Provides ability to invoke document aggregation. |
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* |
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* @param string $method |
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* @param array $arguments |
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* |
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* @return mixed|null|AccessorInterface|CompositableInterface|Document|Entities\DocumentSelector |
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*/ |
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public function __call($method, array $arguments) |
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{ |
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if (isset($this->documentSchema[self::SH_AGGREGATIONS][$method])) { |
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if (!empty($arguments)) { |
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throw new AggregationException("Aggregation method call except 0 parameters"); |
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} |
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$helper = new AggregationHelper($this, $this->odm); |
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return $helper->createAggregation($method); |
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} |
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throw new DocumentException("Undefined method call '{$method}' in '" . get_called_class() . "'"); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @param string $field Check once specific field changes. |
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*/ |
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public function hasChanges(string $field = null): bool |
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{ |
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//Check updates for specific field |
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if (!empty($field)) { |
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if (array_key_exists($field, $this->changes)) { |
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return true; |
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} |
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//Do not force accessor creation |
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$value = $this->getField($field, null, false); |
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if ($value instanceof CompositableInterface && $value->hasChanges()) { |
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return true; |
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} |
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return false; |
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} |
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if (!empty($this->changes)) { |
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return true; |
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} |
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//Do not force accessor creation |
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foreach ($this->getFields(false) as $value) { |
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//Checking all fields for changes (handled internally) |
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if ($value instanceof CompositableInterface && $value->hasChanges()) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function buildAtomics(string $container = null): array |
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{ |
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if (!$this->hasChanges() && !$this->isSolid()) { |
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return []; |
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} |
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if ($this->isSolid()) { |
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if (!empty($container)) { |
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//Simple nested document in solid state |
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return ['$set' => [$container => $this->packValue(false)]]; |
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} |
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//No parent container |
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return ['$set' => $this->packValue(false)]; |
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} |
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//Aggregate atomics from every nested composition |
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$atomics = []; |
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foreach ($this->getFields(false) as $field => $value) { |
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if ($value instanceof CompositableInterface) { |
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$atomics = array_merge_recursive( |
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$atomics, |
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$value->buildAtomics((!empty($container) ? $container . '.' : '') . $field) |
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); |
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continue; |
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} |
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foreach ($atomics as $atomic => $operations) { |
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if (array_key_exists($field, $operations) && $atomic != '$set') { |
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//Property already changed by atomic operation |
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continue; |
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} |
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} |
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if (array_key_exists($field, $this->changes)) { |
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//Generating set operation for changed field |
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$atomics['$set'][(!empty($container) ? $container . '.' : '') . $field] = $value; |
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} |
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} |
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return $atomics; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function flushChanges() |
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{ |
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$this->changes = []; |
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foreach ($this->getFields(false) as $field => $value) { |
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if ($value instanceof CompositableInterface) { |
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$value->flushChanges(); |
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} |
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} |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @param bool $includeID Set to false to exclude _id from packed fields. |
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*/ |
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public function packValue(bool $includeID = true) |
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{ |
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$values = parent::packValue(); |
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if (!$includeID) { |
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unset($values['_id']); |
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} |
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return $values; |
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} |
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/** |
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* Since most of ODM documents might contain ObjectIDs and other fields we will try to normalize |
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* them into string values. |
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* |
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* @return array |
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*/ |
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public function publicValue(): array |
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{ |
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$public = parent::publicValue(); |
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array_walk_recursive($public, function (&$value) { |
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if ($value instanceof ObjectID) { |
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$value = (string)$value; |
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} |
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}); |
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return $public; |
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} |
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/** |
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* Cloning will be called when object will be embedded into another document. |
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*/ |
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public function __clone() |
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{ |
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//De-serialize document in order to ensure that all compositions are recreated |
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$this->stateValue($this->packValue()); |
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//Since document embedded as one piece let's ensure that it is solid |
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$this->solidState = true; |
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$this->changes = []; |
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} |
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/** |
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* @return array |
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*/ |
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public function __debugInfo() |
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{ |
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return [ |
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'fields' => $this->getFields(), |
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|
|
'atomics' => $this->hasChanges() ? $this->buildAtomics() : [], |
398
|
|
|
]; |
399
|
|
|
} |
400
|
|
|
|
401
|
|
|
/** |
402
|
|
|
* {@inheritdoc} |
403
|
|
|
* |
404
|
|
|
* @see CompositionDefinition |
405
|
|
|
*/ |
406
|
|
|
protected function getMutator(string $field, string $mutator) |
407
|
|
|
{ |
408
|
|
|
/** |
409
|
|
|
* Every document composition is valid accessor but defined a bit differently. |
410
|
|
|
*/ |
411
|
|
|
if (isset($this->documentSchema[self::SH_COMPOSITIONS][$field])) { |
412
|
|
|
return $this->documentSchema[self::SH_COMPOSITIONS][$field]; |
413
|
|
|
} |
414
|
|
|
|
415
|
|
|
return parent::getMutator($field, $mutator); |
416
|
|
|
} |
417
|
|
|
|
418
|
|
|
/** |
419
|
|
|
* {@inheritdoc} |
420
|
|
|
*/ |
421
|
|
|
protected function isNullable(string $field): bool |
422
|
|
|
{ |
423
|
|
|
if (array_key_exists($field, $this->documentSchema[self::SH_DEFAULTS])) { |
424
|
|
|
//Only fields with default null value can be nullable |
425
|
|
|
return is_null($this->documentSchema[self::SH_DEFAULTS][$field]); |
426
|
|
|
} |
427
|
|
|
|
428
|
|
|
//Values unknown to schema always nullable |
429
|
|
|
return true; |
430
|
|
|
} |
431
|
|
|
|
432
|
|
|
/** |
433
|
|
|
* {@inheritdoc} |
434
|
|
|
* |
435
|
|
|
* DocumentEntity will pass ODM instance as part of accessor context. |
436
|
|
|
* |
437
|
|
|
* @see CompositionDefinition |
438
|
|
|
*/ |
439
|
|
|
protected function createAccessor( |
440
|
|
|
$accessor, |
441
|
|
|
string $name, |
442
|
|
|
$value, |
443
|
|
|
array $context = [] |
444
|
|
|
): AccessorInterface { |
445
|
|
|
if (is_array($accessor)) { |
446
|
|
|
//We are working with definition of composition. |
447
|
|
|
switch ($accessor[0]) { |
448
|
|
|
case self::ONE: |
449
|
|
|
//Singular embedded document |
450
|
|
|
return $this->odm->make($accessor[1], $value, false); |
451
|
|
|
case self::MANY: |
452
|
|
|
return new DocumentCompositor($accessor[1], $value, $this->odm); |
453
|
|
|
} |
454
|
|
|
|
455
|
|
|
throw new AccessorException("Invalid accessor definition for field '{$name}'"); |
456
|
|
|
} |
457
|
|
|
|
458
|
|
|
//Field as a context |
459
|
|
|
return parent::createAccessor($accessor, $name, $value, $context + ['odm' => $this->odm]); |
460
|
|
|
} |
461
|
|
|
|
462
|
|
|
/** |
463
|
|
|
* {@inheritdoc} |
464
|
|
|
*/ |
465
|
|
|
protected function iocContainer() |
466
|
|
|
{ |
467
|
|
|
if ($this->odm instanceof Component) { |
468
|
|
|
//Forwarding IoC scope to parent ODM instance |
469
|
|
|
return $this->odm->iocContainer(); |
470
|
|
|
} |
471
|
|
|
|
472
|
|
|
return parent::iocContainer(); |
473
|
|
|
} |
474
|
|
|
|
475
|
|
|
/** |
476
|
|
|
* @param string $name |
477
|
|
|
*/ |
478
|
|
|
private function registerChange(string $name) |
479
|
|
|
{ |
480
|
|
|
$original = $this->getField($name, null, false); |
481
|
|
|
|
482
|
|
|
if (!array_key_exists($name, $this->changes)) { |
483
|
|
|
//Let's keep track of how field looked before first change |
484
|
|
|
$this->changes[$name] = $original instanceof AccessorInterface |
485
|
|
|
? $original->packValue() |
486
|
|
|
: $original; |
487
|
|
|
} |
488
|
|
|
} |
489
|
|
|
|
490
|
|
|
/** |
491
|
|
|
* @param string $name |
492
|
|
|
* |
493
|
|
|
* @throws AccessException |
494
|
|
|
*/ |
495
|
|
|
private function assertField(string $name) |
496
|
|
|
{ |
497
|
|
|
if (!$this->hasField($name)) { |
498
|
|
|
throw new AccessException(sprintf( |
499
|
|
|
"No such property '%s' in '%s', check schema being relevant", |
500
|
|
|
$name, |
501
|
|
|
get_called_class() |
502
|
|
|
)); |
503
|
|
|
} |
504
|
|
|
} |
505
|
|
|
} |