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<?php |
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declare(strict_types=1); |
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namespace EngineWorks\ProgressStatus; |
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use SplObserver; |
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use SplSubject; |
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class Progress implements SplSubject, ProgressInterface |
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{ |
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use SplSubjectWithObserversTrait; |
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/** @var Status */ |
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private $status; |
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/** |
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* Progress constructor. |
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* |
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* @param Status|null $initialStatus when null it creates an empty State using make method |
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* @param iterable<SplObserver> $observers |
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*/ |
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public function __construct(Status $initialStatus = null, iterable $observers = []) |
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{ |
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$this->constructSplSubjectWithObservers(); |
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$this->status = $initialStatus ?: Status::make(); |
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foreach ($observers as $observer) { |
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$this->attach($observer); |
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} |
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$this->notify(); |
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} |
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public function getStatus(): Status |
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{ |
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return $this->status; |
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} |
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public function increase(string $message = '', int $increase = 1): void |
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{ |
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$this->update($message, $this->status->getValue() + $increase); |
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} |
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public function update( |
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string $message = '', |
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int $value = null, |
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int $total = null, |
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int $startTime = null, |
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int $current = null |
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): void { |
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$newStatus = new Status( |
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$current ?? time(), |
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$startTime ?? $this->status->getStart(), |
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$value ?? $this->status->getValue(), |
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$total ?? $this->status->getTotal(), |
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$message ?: $this->status->getMessage(), |
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); |
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$shouldNotifyChange = $this->shouldNotifyChange($this->status, $newStatus); |
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$this->status = $newStatus; |
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if ($shouldNotifyChange) { |
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$this->notify(); |
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} |
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} |
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public function shouldNotifyChange(Status $current, Status $newStatus): bool |
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{ |
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return ($current->getValue() !== $newStatus->getValue()) |
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|| ($current->getMessage() !== $newStatus->getMessage()) |
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|| ($current->getTotal() !== $newStatus->getTotal()) |
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|| ($current->getStart() !== $newStatus->getStart()); |
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} |
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} |
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eclipxe13 /
engineworks-progress-status
