Create a Cloud Storage Helper Class in Python

import datetime
import json
from pathlib import Path


class CloudDataHelper:
    """Simple helper for reading/writing JSON files in a cloud-style folder."""

    def __init__(self, base_dir: str = "cloud_storage"):
        self.base_dir = Path(base_dir)
        self.base_dir.mkdir(exist_ok=True)

    def save_json(self, key: str, data: dict) -> str:
        """Save dict as JSON file; returns stored file path."""
        file_path = self.base_dir / f"{key}.json"
        file_path.write_text(json.dumps(data, indent=2))
        return str(file_path)

    def load_json(self, key: str) -> dict:
        """Load JSON file; returns error dict if missing."""
        file_path = self.base_dir / f"{key}.json"
        if not file_path.exists():
            return {"error": f"{key} not found"}
        return json.loads(file_path.read_text())

    def list_objects(self) -> list[str]:
        """Return list of stored object names."""
        return [p.stem for p in self.base_dir.glob("*.json")]


if __name__ == "__main__":
    helper = CloudDataHelper()

    sample_data = {
        "user": "beginner",
        "created_at": datetime.date.today().isoformat(),
        "skills": ["python", "cloud"],
    }

    saved_path = helper.save_json("user_profile", sample_data)
    loaded = helper.load_json("user_profile")
    missing = helper.load_json("does_not_exist")
    objects = helper.list_objects()

    print(f"Saved: {saved_path}")
    print(f"Loaded: {loaded}")
    print(f"Missing test: {missing}")
    print(f"Objects in cloud: {objects}")