PHPProm\Integration\SilexSetup

Complexity

Total Complexity

4

Size/Duplication

Total Lines	42
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	3

Importance

Changes	3
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	setupMiddleware()	0	20	1
A	setupAndGetMetricsRoute()	0	17	3

<?php

/*
 * This file is part of the PHPProm package.
 *
 * (c) Philip Lehmann-Böhm <philip@philiplb.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace PHPProm\Integration;

use PHPProm\PrometheusExport;
use PHPProm\StopWatch;
use PHPProm\Storage\AbstractStorage;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Silex\Application;

class SilexSetup {

    protected function setupMiddleware(Application $app, AbstractStorage $storage) {

        $storage->addAvailableMetric('time', 'route_time', 'name', 'request times per route in seconds', 'gauge', 'Nan');
        $storage->addAvailableMetric('memory', 'route_memory', 'name', 'request memory per route in bytes', 'gauge', 'Nan');
        $storage->addAvailableMetric('requests_total', 'route_requests_total', 'name', 'total requests per route', 'counter', 0);

        $routeTime = new StopWatch($storage);

        $app->before(function() use ($routeTime) {
            $routeTime->start();
        }, Application::EARLY_EVENT);

        $app->finish(function(Request $request) use ($routeTime, $storage) {
            $route = $request->get('_route');
            $routeTime->stop('time', $route);
            $storage->storeMeasurement('memory', $route, memory_get_peak_usage(true));
            $storage->incrementMeasurement('requests_total', $route);
        });

    }

    public function setupAndGetMetricsRoute(Application $app, AbstractStorage $storage) {

        $this->setupMiddleware($app, $storage);

        return function() use ($app, $storage) {
            $routes = [];
            foreach ($app['routes']->all() as $route) {
                $path = str_replace('/', '_', $route->getPath());
                foreach ($route->getMethods() as $method) {
                    $routes[] = $method.$path;
                }
            }
            $export = new PrometheusExport();

Equals sign not aligned with surrounding assignments; expected 3 spaces but found 1 space

            $response = $export->getExport($storage, $routes);
            return new Response($response, 200, ['Content-Type' => 'text/plain; version=0.0.4']);
        };
    }

}