KCI-CAMPAIGN-TRACKER/core/Response.php

<?php

declare(strict_types=1);

namespace Core;

class Response
{
    protected string $content;
    protected int $status;
    protected array $headers;

    public function __construct(string $content = '', int $status = 200, array $headers = [])
    {
        $this->content = $content;
        $this->status = $status;
        $this->headers = $headers;
    }

    public static function json(array $data, int $status = 200): self
    {
        return new self(
            json_encode($data, JSON_PRETTY_PRINT),
            $status,
            ['Content-Type' => 'application/json']
        );
    }

    public static function redirect(string $url): self
    {
        return new self('', 302, ['Location' => $url]);
    }

    public static function notFound(string $message = 'Not found'): self
    {
        return new self($message, 404);
    }

    public static function serverError(string $message = 'Server error'): self
    {
        return new self($message, 500);
    }

    public function send(): void
    {
        // Flush session to disk before sending headers so it is persisted before
        // the browser follows any redirect (critical for OAuth state survival).
        if (session_status() === PHP_SESSION_ACTIVE) {
            session_write_close();
        }

        http_response_code($this->status);

        foreach ($this->headers as $name => $value) {
            header($name . ': ' . $value);
        }

        echo $this->content;
    }

    public function content(): string
    {
        return $this->content;
    }

    public function status(): int
    {
        return $this->status;
    }
}