Files
git-contribution-graph/src/Controller/GraphController.php
T

96 lines
3.0 KiB
PHP

<?php
namespace App\Controller;
use App\Service\ProviderInterface;
use App\Service\SvgRenderer;
use Psr\Log\LoggerInterface;
use Symfony\Component\DependencyInjection\Attribute\Autowire;
use Symfony\Component\DependencyInjection\Attribute\TaggedIterator;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Attribute\Route;
use Symfony\Contracts\Cache\CacheInterface;
use Symfony\Contracts\Cache\ItemInterface;
class GraphController
{
/** @var list<string> */
private readonly array $allowedHosts;
public function __construct(
#[TaggedIterator('app.provider')]
private readonly iterable $providers,
private readonly SvgRenderer $renderer,
private readonly CacheInterface $cache,
private readonly LoggerInterface $logger,
#[Autowire(env: 'ALLOWED_HOSTS')]
string $allowedHosts = '',
) {
$this->allowedHosts = array_values(array_filter(array_map('trim', explode(',', $allowedHosts))));
}
/**
* Query parameters:
* theme string dark|light (default: dark)
*/
#[Route('/graph.svg', name: 'contribution_graph', methods: ['GET'])]
public function graph(Request $request): Response
{
if ($this->allowedHosts !== [] && !in_array($request->getHost(), $this->allowedHosts, true)) {
return new Response('Forbidden', 403);
}
$theme = $request->query->get('theme', 'dark');
$cacheKey = 'graph_' . $theme;
$svg = $this->cache->get($cacheKey, function (ItemInterface $item) use ($theme): string {
$item->expiresAfter(3600);
return $this->renderer->render($this->fetchAllContributions(), $theme);
});
return new Response($svg, 200, [
'Content-Type' => 'image/svg+xml',
'Cache-Control' => 'public, max-age=3600',
]);
}
#[Route('/health', name: 'health', methods: ['GET'])]
public function health(): Response
{
return new Response('{"status":"ok"}', 200, ['Content-Type' => 'application/json']);
}
/** @return array<string, int> */
private function fetchAllContributions(): array
{
$contributions = [];
/** @var ProviderInterface $provider */
foreach ($this->providers as $provider) {
if (!$provider->isConfigured()) {
continue;
}
try {
$contributions = $this->merge($contributions, $provider->fetch());
} catch (\Throwable $e) {
$this->logger->warning(sprintf('%s fetch failed: %s', $provider::class, $e->getMessage()));
}
}
return $contributions;
}
/** @param array<string, int> $base @param array<string, int> $new @return array<string, int> */
private function merge(array $base, array $new): array
{
foreach ($new as $date => $count) {
$base[$date] = ($base[$date] ?? 0) + $count;
}
return $base;
}
}