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<?php |
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/** |
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* Cycle DataMapper ORM |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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declare(strict_types=1); |
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namespace Cycle\ORM\Command\Database; |
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use Cycle\ORM\Command\ContextCarrierInterface; |
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use Cycle\ORM\Command\DatabaseCommand; |
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use Cycle\ORM\Command\ScopeCarrierInterface; |
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use Cycle\ORM\Command\Traits\ContextTrait; |
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use Cycle\ORM\Command\Traits\ErrorTrait; |
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use Cycle\ORM\Command\Traits\ScopeTrait; |
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use Cycle\ORM\Exception\CommandException; |
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use Spiral\Database\DatabaseInterface; |
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/** |
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* Update data CAN be modified by parent commands using context. |
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* |
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* This is conditional command, it would not be executed when no fields are given! |
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*/ |
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final class Update extends DatabaseCommand implements ContextCarrierInterface, ScopeCarrierInterface |
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{ |
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use ContextTrait, ScopeTrait, ErrorTrait; |
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/** @var array */ |
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protected $data = []; |
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/** @var array */ |
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protected $appendix = []; |
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/** |
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* @param DatabaseInterface $db |
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* @param string $table |
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* @param array $data |
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* @param array $where |
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*/ |
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public function __construct(DatabaseInterface $db, string $table, array $data = [], array $where = []) |
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{ |
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parent::__construct($db, $table); |
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$this->data = $data; |
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$this->scope = $where; |
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} |
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/** |
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* Avoid opening transaction when no changes are expected. |
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* |
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* @return null|DatabaseInterface |
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*/ |
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public function getDatabase(): ?DatabaseInterface |
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{ |
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if ($this->isEmpty()) { |
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return null; |
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} |
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return parent::getDatabase(); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function isReady(): bool |
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{ |
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return empty($this->waitContext) && empty($this->waitScope); |
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} |
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/** |
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* Update values, context not included. |
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* |
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* @return array |
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*/ |
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public function getData(): array |
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{ |
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return array_merge($this->data, $this->context, $this->appendix); |
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} |
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/** |
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* Update data in associated table. |
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*/ |
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public function execute() |
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{ |
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if (empty($this->scope)) { |
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throw new CommandException("Unable to execute update command without a scope"); |
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} |
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if (!$this->isEmpty()) { |
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$this->db->update($this->table, $this->getData(), $this->scope)->run(); |
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} |
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parent::execute(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isEmpty(): bool |
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{ |
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return (empty($this->data) && empty($this->context)) || empty($this->scope); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function register(string $key, $value, bool $fresh = false, int $stream = self::DATA) |
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{ |
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if ($stream == self::SCOPE) { |
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if (empty($value)) { |
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return; |
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} |
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$this->freeScope($key); |
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$this->setScope($key, $value); |
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return; |
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} |
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if ($fresh || !is_null($value)) { |
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$this->freeContext($key); |
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} |
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if ($fresh) { |
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// we only accept context when context has changed to avoid un-necessary |
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// update commands |
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$this->setContext($key, $value); |
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} |
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} |
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/** |
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* Register optional value to store in database. Having this value would not cause command to be executed |
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* if data or context is empty. |
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* |
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* Example: $update->registerAppendix("updated_at", new DateTime()); |
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* |
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* @param string $key |
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* @param mixed $value |
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*/ |
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public function registerAppendix(string $key, $value) |
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{ |
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$this->appendix[$key] = $value; |
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} |
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} |
cycle /
orm
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