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<?php |
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/* |
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* This file is part of the Scrawler package. |
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* |
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* (c) Pranjal Pandey <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Scrawler\Arca; |
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use Doctrine\DBAL\Connection; |
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use Doctrine\DBAL\Types\Type; |
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use Doctrine\DBAL\ParameterType; |
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use Doctrine\DBAL\ArrayParameterType; |
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use Scrawler\Arca\Manager\RecordManager; |
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use Scrawler\Arca\Manager\TableManager; |
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use Scrawler\Arca\Manager\WriteManager; |
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use Scrawler\Arca\Traits\Model\ArrayAccess; |
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use Scrawler\Arca\Traits\Model\Getter; |
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use Scrawler\Arca\Traits\Model\Iterator; |
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use Scrawler\Arca\Traits\Model\Setter; |
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use Scrawler\Arca\Traits\Model\Stringable; |
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/** |
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* Model class that represents single record in database. |
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* |
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* @property int|string $id |
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*/ |
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class Model implements \Stringable, \IteratorAggregate, \ArrayAccess |
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{ |
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use Iterator; |
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use Stringable; |
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use ArrayAccess; |
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use Getter; |
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use Setter; |
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/** |
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* Store all properties of model. |
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* |
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* @var array<string,array<string,mixed>> |
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*/ |
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private array $__properties = []; |
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/** |
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* Store the metadata of model. |
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* |
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* @var array<string,mixed> |
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*/ |
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private array $__meta = []; |
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/** |
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* Create a new model. |
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*/ |
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public function __construct( |
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/** |
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* Store the table name of model. |
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*/ |
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private string $table, |
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private Connection $connection, |
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private RecordManager $recordManager, |
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private TableManager $tableManager, |
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private WriteManager $writeManager, |
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) { |
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$this->__properties['all'] = []; |
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$this->__properties['self'] = []; |
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$this->__meta['is_loaded'] = false; |
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$this->__meta['id_error'] = false; |
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$this->__meta['foreign_models']['otm'] = null; |
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$this->__meta['foreign_models']['oto'] = null; |
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$this->__meta['foreign_models']['mtm'] = null; |
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$this->__meta['id'] = 0; |
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} |
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/** |
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* adds the key to properties. |
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*/ |
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public function __set(string $key, mixed $val): void |
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{ |
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$this->set($key, $val); |
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} |
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/** |
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* Adds the key to properties. |
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*/ |
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public function set(string $key, mixed $val): void |
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{ |
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// Handle ID setting |
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if ('id' === $key) { |
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$this->__meta['id'] = $val; |
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$this->__meta['id_error'] = true; |
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$this->setRegularProperty('id', $val); |
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return; |
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} |
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// Handle model relations |
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if ($val instanceof Model) { |
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$this->handleModelRelation($key, $val); |
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return; |
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} |
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// Handle complex relations (own/shared) |
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if (0 !== \Safe\preg_match('/[A-Z]/', $key)) { |
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if ($this->handleComplexRelation($key, $val)) { |
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return; |
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} |
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} |
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// Handle regular properties |
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$this->setRegularProperty($key, $val); |
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} |
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private function handleRelationalKey(string $key, array $parts): mixed |
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{ |
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if ('own' === strtolower((string) $parts[0])) { |
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return $this->handleOwnRelation($key, $parts); |
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} |
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if ('shared' === strtolower((string) $parts[0])) { |
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return $this->handleSharedRelation($key, $parts); |
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} |
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return null; |
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} |
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private function handleOwnRelation(string $key, array $parts): mixed |
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{ |
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if ('list' !== strtolower((string) $parts[2])) { |
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return null; |
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} |
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$qb = $this->recordManager->find(strtolower((string) $parts[1])); |
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$qb->where($this->getName() . '_id = :id') |
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->setParameter('id', $this->__meta['id'], |
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$this->determineIdType($this->__meta['id']) |
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); |
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$result = $qb->get(); |
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$this->set($key, $result); |
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return $result; |
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} |
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private function handleSharedRelation(string $key, array $parts): mixed |
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{ |
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if ('list' !== strtolower((string) $parts[2])) { |
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return null; |
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} |
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$targetTable = strtolower((string) $parts[1]); |
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$relTable = $this->getRelationTable($targetTable); |
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$db = $this->recordManager->find($relTable); |
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$db->where($this->getName() . '_id = :id') |
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->setParameter('id', $this->__meta['id'], |
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$this->determineIdType($this->__meta['id']) |
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); |
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$relations = $db->get(); |
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$relIds = $this->extractRelationIds($relations, $targetTable); |
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if (empty($relIds)) { |
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return Collection::fromIterable([]); |
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} |
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$db = $this->recordManager->find($targetTable); |
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$db->where('id IN (:ids)') |
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->setParameter('ids', $relIds, |
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$this->determineIdsType($relIds) |
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); |
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$result = $db->get(); |
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$this->set($key, $result); |
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return $result; |
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} |
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private function getRelationTable(string $targetTable): string |
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{ |
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return $this->tableManager->tableExists($this->table . '_' . $targetTable) |
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? $this->table . '_' . $targetTable |
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: $targetTable . '_' . $this->table; |
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} |
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private function extractRelationIds(Collection $relations, string $targetTable): array |
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{ |
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return $relations->map(function ($relation) use ($targetTable) { |
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$key = $targetTable . '_id'; |
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return $relation->$key; |
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})->toArray(); |
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} |
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/** |
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* Get a key from properties, keys can be relational |
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* like sharedList,ownList or foreign table. |
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*/ |
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public function __get(string $key): mixed |
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{ |
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return $this->get($key); |
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} |
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/** |
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* Get a key from properties, keys can be relational |
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* like sharedList,ownList or foreign table. |
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*/ |
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public function get(string $key): mixed |
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{ |
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// Early return for cached properties |
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if (array_key_exists($key, $this->__properties['all'])) { |
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return $this->__properties['all'][$key]; |
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} |
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// Handle foreign key relations |
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if (array_key_exists($key . '_id', $this->__properties['self'])) { |
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$result = $this->recordManager->getById($key, $this->__properties['self'][$key . '_id']); |
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$this->set($key, $result); |
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return $result; |
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} |
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// Handle complex relations (own/shared) |
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if (0 !== \Safe\preg_match('/[A-Z]/', $key)) { |
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$parts = \Safe\preg_split('/(?=[A-Z])/', $key, -1, PREG_SPLIT_NO_EMPTY); |
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$result = $this->handleRelationalKey($key, $parts); |
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if (null !== $result) { |
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return $result; |
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} |
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} |
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throw new Exception\KeyNotFoundException(); |
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} |
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/** |
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* Eager Load relation variable. |
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* |
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* @param array<string> $relations |
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*/ |
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public function with(array $relations): Model |
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{ |
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foreach ($relations as $relation) { |
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$this->get($relation); |
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} |
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return $this; |
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} |
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/** |
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* Refresh the current model from database. |
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*/ |
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public function refresh(): void |
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{ |
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$model = $this->recordManager->getById($this->getName(), $this->getId()); |
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if (!is_null($model)) { |
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$this->cleanModel(); |
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$this->setLoadedProperties($model->getSelfProperties()); |
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$this->setLoaded(); |
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} |
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} |
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/** |
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* Unset a property from model. |
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*/ |
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public function __unset(string $key): void |
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{ |
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$this->unset($key); |
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} |
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/** |
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* Unset a property from model. |
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*/ |
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public function unset(string $key): void |
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{ |
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unset($this->__properties['self'][$key]); |
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unset($this->__properties['all'][$key]); |
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unset($this->__properties['type'][$key]); |
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} |
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/** |
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* Check if property exists. |
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*/ |
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public function __isset(string $key): bool |
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{ |
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return $this->isset($key); |
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} |
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/** |
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* Check if property exists. |
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*/ |
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public function isset(string $key): bool |
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{ |
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return array_key_exists($key, $this->__properties['all']); |
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} |
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/** |
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* check if model loaded from db. |
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*/ |
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public function isLoaded(): bool |
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{ |
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return $this->__meta['is_loaded']; |
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} |
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/** |
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* Check if model has id error. |
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*/ |
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public function hasIdError(): bool |
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{ |
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return $this->__meta['id_error']; |
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} |
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/** |
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* Save model to database. |
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*/ |
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public function save(): mixed |
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{ |
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$this->id = $this->writeManager->save($this); |
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return $this->getId(); |
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} |
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/** |
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* Cleans up model internal state to be consistent after save. |
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*/ |
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public function cleanModel(): void |
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{ |
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$this->__properties['all'] = $this->__properties['self']; |
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$this->__meta['id_error'] = false; |
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$this->__meta['foreign_models']['otm'] = null; |
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$this->__meta['foreign_models']['oto'] = null; |
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$this->__meta['foreign_models']['mtm'] = null; |
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} |
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/** |
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* Delete model data. |
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*/ |
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public function delete(): void |
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{ |
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$this->recordManager->delete($this); |
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} |
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/** |
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* Function used to compare to models. |
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*/ |
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public function equals(self $other): bool |
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{ |
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return $this->getId() === $other->getId() && $this->toString() === $other->toString(); |
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} |
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/** |
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* Check if model has any relations. |
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*/ |
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public function hasForeign(string $type): bool |
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{ |
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return !is_null($this->__meta['foreign_models'][$type]); |
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} |
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/** |
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* Get the type of value. |
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*/ |
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private function getDataType(mixed $value): string |
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{ |
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$type = gettype($value); |
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if ('array' === $type || 'object' === $type) { |
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return 'json_document'; |
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} |
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if ('string' === $type) { |
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return 'text'; |
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} |
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if ('double' === $type) { |
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return 'float'; |
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} |
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return $type; |
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} |
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/** |
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* Check if array passed is instance of model. |
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* |
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* @param array<mixed>|Collection $models |
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* |
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* @throws Exception\InvalidModelException |
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*/ |
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private function createCollection(?Collection $collection, array|Collection $models): Collection |
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{ |
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if (is_null($collection)) { |
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|
|
$collection = Collection::fromIterable([]); |
393
|
|
|
} |
394
|
|
|
|
395
|
|
|
if ($models instanceof Collection) { |
|
|
|
|
396
|
|
|
return $collection->merge($models); |
397
|
|
|
} |
398
|
|
|
|
399
|
|
|
if ([] !== array_filter($models, fn($d): bool => !$d instanceof Model)) { |
400
|
|
|
throw new Exception\InvalidModelException(); |
401
|
|
|
} |
402
|
|
|
|
403
|
|
|
return $collection->merge(Collection::fromIterable($models)); |
404
|
|
|
} |
405
|
|
|
|
406
|
|
|
/** |
407
|
|
|
* Get the database value from PHP value. |
408
|
|
|
*/ |
409
|
|
|
private function getDbValue(mixed $val, string $type): mixed |
410
|
|
|
{ |
411
|
|
|
if ('boolean' === $type) { |
412
|
|
|
return ($val) ? 1 : 0; |
413
|
|
|
} |
414
|
|
|
|
415
|
|
|
return Type::getType($type)->convertToDatabaseValue($val, $this->connection->getDatabasePlatform()); |
416
|
|
|
} |
417
|
|
|
|
418
|
|
|
private function handleModelRelation(string $key, Model $val): void |
419
|
|
|
{ |
420
|
|
|
if (isset($this->__properties['all'][$key . '_id'])) { |
421
|
|
|
unset($this->__properties['all'][$key . '_id']); |
422
|
|
|
} |
423
|
|
|
|
424
|
|
|
$this->__meta['foreign_models']['oto'] = $this->createCollection( |
425
|
|
|
$this->__meta['foreign_models']['oto'], |
426
|
|
|
Collection::fromIterable([$val]) |
427
|
|
|
); |
428
|
|
|
$this->__properties['all'][$key] = $val; |
429
|
|
|
} |
430
|
|
|
|
431
|
|
|
private function handleComplexRelation(string $key, mixed $val): bool |
432
|
|
|
{ |
433
|
|
|
$parts = \Safe\preg_split('/(?=[A-Z])/', $key, -1, PREG_SPLIT_NO_EMPTY); |
434
|
|
|
$type = strtolower((string) $parts[0]); |
435
|
|
|
|
436
|
|
|
if ('own' === $type) { |
437
|
|
|
$this->__meta['foreign_models']['otm'] = $this->createCollection( |
438
|
|
|
$this->__meta['foreign_models']['otm'], |
439
|
|
|
$val |
440
|
|
|
); |
441
|
|
|
$this->__properties['all'][$key] = $val; |
442
|
|
|
|
443
|
|
|
return true; |
444
|
|
|
} |
445
|
|
|
|
446
|
|
|
if ('shared' === $type) { |
447
|
|
|
$this->__meta['foreign_models']['mtm'] = $this->createCollection( |
448
|
|
|
$this->__meta['foreign_models']['mtm'], |
449
|
|
|
$val |
450
|
|
|
); |
451
|
|
|
$this->__properties['all'][$key] = $val; |
452
|
|
|
|
453
|
|
|
return true; |
454
|
|
|
} |
455
|
|
|
|
456
|
|
|
return false; |
457
|
|
|
} |
458
|
|
|
|
459
|
|
|
private function setRegularProperty(string $key, mixed $val): void |
460
|
|
|
{ |
461
|
|
|
$type = $this->getDataType($val); |
462
|
|
|
$this->__properties['self'][$key] = $this->getDbValue($val, $type); |
463
|
|
|
$this->__properties['all'][$key] = $val; |
464
|
|
|
$this->__properties['type'][$key] = $type; |
465
|
|
|
} |
466
|
|
|
|
467
|
|
|
/** |
468
|
|
|
* Determines the ParameterType for an ID value |
469
|
|
|
*/ |
470
|
|
|
private function determineIdType(int|string $id): ParameterType |
471
|
|
|
{ |
472
|
|
|
return is_int($id) ? ParameterType::INTEGER : ParameterType::STRING; |
473
|
|
|
} |
474
|
|
|
|
475
|
|
|
/** |
476
|
|
|
* Get all properties of model. |
477
|
|
|
* |
478
|
|
|
* @return ArrayParameterType |
479
|
|
|
*/ |
480
|
|
|
private function determineIdsType(array $ids): ArrayParameterType |
481
|
|
|
{ |
482
|
|
|
if (empty($ids)) { |
483
|
|
|
return ArrayParameterType::STRING; |
484
|
|
|
} |
485
|
|
|
|
486
|
|
|
$firstIdType = $this->determineIdType($ids[0]); |
487
|
|
|
|
488
|
|
|
return match ($firstIdType) { |
489
|
|
|
ParameterType::INTEGER => ArrayParameterType::INTEGER, |
490
|
|
|
ParameterType::STRING => ArrayParameterType::STRING, |
491
|
|
|
}; |
492
|
|
|
} |
493
|
|
|
|
494
|
|
|
} |
495
|
|
|
|