Implemented content upload app with tests and pre-commit hooks

src/content_automation/controller.py

@@ -0,0 +1,34 @@
+from __future__ import annotations
+
+from content_automation.adapters.storage.base import StorageAdapterBase
+from content_automation.interfaces import SocialNetworkAdapter
+from content_automation.settings import AppSettings
+
+
+class PublishController:
+    """Coordinates storage lookup and cross-network publishing."""
+
+    def __init__(
+        self,
+        settings: AppSettings,
+        storage: StorageAdapterBase,
+        social_adapters: dict[str, SocialNetworkAdapter],
+    ) -> None:
+        self._settings = settings
+        self._storage = storage
+        self._social_adapters = social_adapters
+
+    def publish(self, relative_path: str, caption: str) -> dict[str, str]:
+        if not self._storage.exists(relative_path):
+            raise FileNotFoundError(
+                f"Media file is not available in storage: {relative_path}"
+            )
+
+        media_url = self._storage.get_public_url(relative_path)
+        result: dict[str, str] = {}
+        for network in self._settings.target_social_networks:
+            adapter = self._social_adapters.get(network)
+            if adapter is None:
+                raise ValueError(f"No adapter configured for network: {network}")
+            result[network] = adapter.post_media(media_url=media_url, caption=caption)
+        return result