init: new structure + fix lint errors

2026-02-03 02:15:07 +03:00
commit 67e0f22b4f
89 changed files with 7654 additions and 0 deletions
@@ -0,0 +1,43 @@
+"""
+Infrastructure-level dependencies for FastAPI dependency injection.
+"""
+
+from __future__ import annotations
+
+from functools import lru_cache
+
+from cpv3.infrastructure.settings import get_settings
+from cpv3.infrastructure.storage.base import StorageBackend, StorageService
+from cpv3.infrastructure.storage.local import LocalConfig, LocalStorageBackend
+from cpv3.infrastructure.storage.s3 import S3Config, S3StorageBackend
+
+
+@lru_cache
+def _get_storage_service() -> StorageService:
+    settings = get_settings()
+
+    backend: StorageBackend
+    if settings.storage_backend.upper() == "LOCAL":
+        backend = LocalStorageBackend(LocalConfig(root_dir=settings.local_storage_dir))
+    else:
+        if not settings.s3_access_key or not settings.s3_secret_key:
+            raise RuntimeError(
+                "S3_ACCESS_KEY and S3_SECRET_KEY are required for S3 storage"
+            )
+
+        backend = S3StorageBackend(
+            S3Config(
+                access_key=settings.s3_access_key,
+                secret_key=settings.s3_secret_key,
+                bucket_name=settings.s3_bucket_name,
+                endpoint_url_internal=settings.s3_endpoint_url_internal,
+                endpoint_url_public=settings.s3_endpoint_url_public,
+                presign_expires_seconds=settings.s3_presign_expires_seconds,
+            )
+        )
+
+    return StorageService(backend)
+
+
+async def get_storage() -> StorageService:
+    return _get_storage_service()