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<?php |
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namespace yentu\database; |
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use yentu\exceptions\SyntaxErrorException; |
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use yentu\factories\DatabaseItemFactory; |
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use yentu\ChangeLogger; |
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class DatabaseItem |
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{ |
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private ?DatabaseItem $encapsulated = null; |
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private ChangeLogger $changeLogger; |
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protected ?bool $new = null; |
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private array $changes = []; |
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protected string $home; |
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protected DatabaseItemFactory $factory; |
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private EncapsulatedStack $stack; |
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public function setFactory(DatabaseItemFactory $factory): void |
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{ |
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$this->factory = $factory; |
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} |
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protected function addChange($property, $attribute, $value): DatabaseItem |
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{ |
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if (!$this->isNew()) { |
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$currentDescription = $this->buildDescription(); |
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$newDescription = $currentDescription; |
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$newDescription[$attribute] = $value; |
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$class = new \ReflectionClass($this); |
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$name = $class->getShortName(); |
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$this->changes[] = \yentu\Parameters::wrap(array( |
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'method' => "change{$name}" . str_replace('_', '', $attribute), |
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'args' => array( |
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'from' => $currentDescription, |
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'to' => $newDescription |
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) |
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)); |
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} |
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(new \ReflectionProperty($this, $property))->setValue($this, $value); |
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return $this; |
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} |
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public function isNew(): bool |
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{ |
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return $this->new ?? false; |
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} |
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protected function getChangeLogger(): ChangeLogger |
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{ |
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return $this->changeLogger; |
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} |
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public function setChangeLogger($changeLogger): void |
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{ |
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$this->changeLogger = $changeLogger; |
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} |
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public function setStack(EncapsulatedStack $stack): void |
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{ |
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$this->stack = $stack; |
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if ($this->stack->hasItems()) { |
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$this->encapsulated = $this->stack->top(); |
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} |
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} |
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public function getStack(): EncapsulatedStack |
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{ |
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return $this->stack; |
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} |
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public function __call($method, $arguments) |
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{ |
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if (!is_object($this->encapsulated)) { |
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throw new SyntaxErrorException("Failed to call method '{$method}'.", $this->home ?? ''); |
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} else if (!$this->stack->hasItems()) { |
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throw new SyntaxErrorException("The method '{$method}' does not exist.", $this->home ?? ''); |
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} else if (method_exists($this->encapsulated, $method)) { |
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$method = new \ReflectionMethod($this->encapsulated, $method); |
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$this->commit(); |
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$this->stack->pop(); |
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return $method->invokeArgs($this->encapsulated, $arguments); |
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} else { |
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$this->commit(); |
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$this->stack->pop(); |
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return $this->encapsulated->__call($method, $arguments); |
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} |
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} |
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public function commit(): DatabaseItem |
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{ |
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if ($this instanceof Commitable && $this->isNew()) { |
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$this->commitNew(); |
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$this->new = false; |
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} |
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foreach ($this->changes as $change) { |
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$this->changeLogger->{$change['method']}($change['args']); |
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} |
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return $this; |
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} |
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public function rename($newName): DatabaseItem |
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{ |
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return $this->addChange('name', 'name', $newName); |
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} |
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public function setHome(string $home): void |
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{ |
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$this->home = $home; |
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} |
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public function init(): void |
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{ |
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if ($this instanceof Initializable) { |
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$this->initialize(); |
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} |
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} |
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} |
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ntentan /
yentu
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