feat: implement multi-provider architecture for contribution fetching and add Docker support

src/Service/GiteaProvider.php

@@ -12,18 +12,28 @@ use Symfony\Contracts\HttpClient\HttpClientInterface;
  *
  * Required token scopes: read:user
  */
-class GiteaProvider
+class GiteaProvider implements ProviderInterface
 {
-    public function __construct(private readonly HttpClientInterface $client) {}
+    public function __construct(
+        private readonly HttpClientInterface $client,
+        private readonly string $username,
+        private readonly string $token,
+        private readonly string $baseUrl,
+    ) {}
+
+    public function isConfigured(): bool
+    {
+        return $this->username !== '' && $this->token !== '' && $this->baseUrl !== '';
+    }
 
     /**
      * @return array<string, int>  date (Y-m-d) => contribution count
      */
-    public function fetch(string $username, string $token, string $baseUrl): array
+    public function fetch(): array
     {
-        $baseUrl  = rtrim($baseUrl, '/');
-        $response = $this->client->request('GET', "$baseUrl/api/v1/users/$username/heatmap", [
-            'headers' => ['Authorization' => "token $token"],
+        $baseUrl  = rtrim($this->baseUrl, '/');
+        $response = $this->client->request('GET', "$baseUrl/api/v1/users/{$this->username}/heatmap", [
+            'headers' => ['Authorization' => "token {$this->token}"],
         ]);
 
         $data   = $response->toArray();