api/services/nginx/app/classes/edge_gateway_install_service.php

<?php

namespace classes;

use Exception;

class edge_gateway_install_service
{
    private const ARTIFACTS = [
        'agent.php' => 'application/x-httpd-php; charset=utf-8',
        'truckwash-edge-agent.service' => 'text/plain; charset=utf-8',
    ];

    public function __construct(private readonly ?edge_gateway_manager $manager = null)
    {
        edge_gateway_schema_bootstrap::ensureTables();
    }

    public function buildInstallScript(string $plainToken): string
    {
        return $this->manager()->buildInstallScript($plainToken);
    }

    /**
     * @throws Exception
     */
    public function verifyInstallToken(string $plainToken): array
    {
        return $this->manager()->verifyInstallToken($plainToken);
    }

    /**
     * @throws Exception
     */
    public function readArtifact(string $fileName): string
    {
        $path = $this->artifactPath($fileName);
        $contents = file_get_contents($path);
        if ($contents === false) {
            throw new Exception('Unable to read edge agent artifact');
        }

        return $contents;
    }

    public function contentType(string $fileName): string
    {
        return self::ARTIFACTS[$fileName] ?? 'application/octet-stream';
    }

    public function buildArtifactUrl(string $fileName): string
    {
        return rtrim($this->manager()->getApiBaseUrl(), '/') . '/edge-agent/artifacts/' . $fileName;
    }

    /**
     * @throws Exception
     */
    public function artifactPath(string $fileName): string
    {
        if (!array_key_exists($fileName, self::ARTIFACTS)) {
            throw new Exception('Unknown edge agent artifact');
        }

        return edge_gateway_agent_artifact_locator::resolve($fileName);
    }

    private function manager(): edge_gateway_manager
    {
        return $this->manager ?? new edge_gateway_manager();
    }
}