Add `GoogleDriveMetadata` model

src/ctp_slack_bot/models/google_drive.py

@@ -0,0 +1,25 @@
+from datetime import datetime
+from pydantic import BaseModel, ConfigDict
+from typing import Self
+
+from ctp_slack_bot.models import FileContent
+
+
+class GoogleDriveMetadata(BaseModel):
+    """Represents Google Drive file or folder metadata."""
+
+    id: str
+    name: str
+    modified_time: datetime
+    mime_type: str
+    folder_path: str
+
+    model_config = ConfigDict(frozen=True)
+
+    @classmethod
+    def from_folder_path_and_dict(cls: type["GoogleDriveMetadata"], folder_path: str, dict: dict) -> Self:
+        id = result["id"]
+        name = result["name"]
+        modified_time = datetime.fromisoformat(result["modifiedTime"])
+        mime_type = result["mimeType"]
+        return GoogleDriveMetadata(id=id, name=name, modified_time=modified_time, mime_type=mime_type, folder_path=folder_path)