Backup #707

Dateiinhalt

<?php

namespace UseCases\Task;

use Infrastructure\Persistence\TaskRepository;

class DeleteTaskUseCase
{
    private TaskRepository $taskRepository;

    public function __construct(?TaskRepository $taskRepository = null)
    {
        $this->taskRepository = $taskRepository ?? new TaskRepository();
    }

    public function execute(int $taskId): bool
    {
        $task = $this->taskRepository->find($taskId);
        if ($task === null) {
            throw new \InvalidArgumentException("Task {$taskId} not found");
        }

        $subtasks = $this->taskRepository->findSubtasks($taskId);
        if (count($subtasks) > 0) {
            throw new \InvalidArgumentException(
                'Cannot delete task with subtasks. Delete subtasks first or use cascade delete.'
            );
        }

        return $this->taskRepository->delete($taskId);
    }

    public function executeCascade(int $taskId): int
    {
        $task = $this->taskRepository->find($taskId);
        if ($task === null) {
            throw new \InvalidArgumentException("Task {$taskId} not found");
        }

        $deleted = 0;

        $subtasks = $this->taskRepository->findSubtasks($taskId);
        foreach ($subtasks as $subtask) {
            $deleted += $this->executeCascade($subtask->getId());
        }

        $this->taskRepository->delete($taskId);
        $deleted++;

        return $deleted;
    }
}

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