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<?php declare( strict_types=1 ); |
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namespace BotRiconferme\Task; |
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use BotRiconferme\TaskResult; |
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use BotRiconferme\ContextSource; |
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use BotRiconferme\TaskDataProvider; |
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/** |
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* Base framework for all kind of tasks and subtasks |
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*/ |
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abstract class TaskBase extends ContextSource { |
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// Status codes |
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const STATUS_OK = 0; |
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const STATUS_ERROR = 1; |
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/** @var string[] */ |
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protected $errors = []; |
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/** @var TaskDataProvider */ |
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protected $dataProvider; |
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/** |
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* Final to keep calls linear in the TaskManager |
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* |
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* @param TaskDataProvider $dataProvider |
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*/ |
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final public function __construct( TaskDataProvider $dataProvider ) { |
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set_exception_handler( [ $this, 'handleException' ] ); |
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set_error_handler( [ $this, 'handleError' ] ); |
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parent::__construct(); |
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$this->dataProvider = $dataProvider; |
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} |
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public function __destruct() { |
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restore_error_handler(); |
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restore_exception_handler(); |
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} |
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/** |
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* Main routine |
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* |
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* @return TaskResult |
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*/ |
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abstract public function run() : TaskResult; |
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/** |
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* Exception handler. |
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* |
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* @param \Throwable $ex |
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* @protected |
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*/ |
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public function handleException( \Throwable $ex ) { |
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$this->getLogger()->error( |
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get_class( $ex ) . ': ' . |
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$ex->getMessage() . "\nTrace:\n" . |
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$ex->getTraceAsString() |
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); |
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} |
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/** |
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* Error handler. As default, always throw |
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* |
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* @param int $errno |
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* @param string $errstr |
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* @param string $errfile |
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* @param int $errline |
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* @protected |
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*/ |
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public function handleError( $errno, $errstr, $errfile, $errline ) { |
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throw new \ErrorException( $errstr, 0, $errno, $errfile, $errline ); |
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} |
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/** |
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* @return TaskDataProvider |
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*/ |
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protected function getDataProvider() : TaskDataProvider { |
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return $this->dataProvider; |
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} |
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} |
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