feat/ajout-de-fonctionnalites (#1)

Reviewed-on: #1
Co-authored-by: tristan <tristan@yuno.malio.fr>
Co-committed-by: tristan <tristan@yuno.malio.fr>

src/Service/GiteaRegistryService.php

@@ -0,0 +1,93 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service;
+
+use Symfony\Component\DependencyInjection\Attribute\Autowire;
+use Symfony\Contracts\HttpClient\HttpClientInterface;
+
+final readonly class GiteaRegistryService
+{
+    public function __construct(
+        private HttpClientInterface $httpClient,
+        #[Autowire('%env(GITEA_API_URL)%')]
+        private string $giteaApiUrl,
+        #[Autowire('%env(GITEA_API_TOKEN)%')]
+        private string $giteaApiToken,
+    ) {}
+
+    /**
+     * List available tags for a container image.
+     *
+     * @param string $registryImage e.g. "gitea.malio.fr/malio-dev/sirh"
+     *
+     * @return list<string>
+     */
+    public function listTags(string $registryImage): array
+    {
+        $parts = explode('/', $registryImage);
+
+        if (\count($parts) < 3) {
+            throw new \InvalidArgumentException(sprintf('Invalid registry image format: "%s". Expected "registry/owner/package".', $registryImage));
+        }
+
+        $owner = $parts[1];
+        $package = implode('/', \array_slice($parts, 2));
+
+        $bearerToken = $this->getBearerToken($owner, $package);
+
+        $url = sprintf('%s/v2/%s/%s/tags/list', $this->giteaApiUrl, $owner, $package);
+
+        $response = $this->httpClient->request('GET', $url, [
+            'headers' => [
+                'Authorization' => sprintf('Bearer %s', $bearerToken),
+            ],
+            'timeout' => 10,
+        ]);
+
+        $data = $response->toArray();
+
+        $tags = $data['tags'] ?? [];
+
+        usort($tags, function (string $a, string $b): int {
+            $aIsVersion = str_starts_with($a, 'v');
+            $bIsVersion = str_starts_with($b, 'v');
+
+            if ($aIsVersion && $bIsVersion) {
+                return version_compare(ltrim($b, 'v'), ltrim($a, 'v'));
+            }
+
+            if ($aIsVersion) {
+                return -1;
+            }
+
+            if ($bIsVersion) {
+                return 1;
+            }
+
+            return strcmp($a, $b);
+        });
+
+        return $tags;
+    }
+
+    private function getBearerToken(string $owner, string $package): string
+    {
+        $tokenUrl = sprintf(
+            '%s/v2/token?service=container_registry&scope=repository:%s/%s:pull',
+            $this->giteaApiUrl,
+            $owner,
+            $package,
+        );
+
+        $response = $this->httpClient->request('GET', $tokenUrl, [
+            'auth_basic' => [$this->giteaApiToken, ''],
+            'timeout' => 10,
+        ]);
+
+        $data = $response->toArray();
+
+        return $data['token'] ?? throw new \RuntimeException('Failed to obtain bearer token from Gitea registry.');
+    }
+}