DataMigration/files/custom/Espo/Modules/DataMigration/Services/BufferedIO.php

<?php

namespace Espo\Modules\DataMigration\Services;

use Espo\Core\Console\IO;

/**
 * A buffered IO implementation that captures output lines
 * for returning via API responses instead of console.
 */
class BufferedIO extends IO
{
    /** @var string[] */
    private array $lines = [];

    public function write(string $string): void
    {
        $this->lines[] = $string;
    }

    public function writeLine(string $string): void
    {
        $this->lines[] = $string;
    }

    public function readLine(): string
    {
        return '';
    }

    /**
     * @return string[]
     */
    public function getLines(): array
    {
        return $this->lines;
    }

    public function getOutput(): string
    {
        return implode("\n", $this->lines);
    }
}