from __future__ import annotations

from pathlib import Path

from ..ingest.store import read_json, write_json
from .models import Graph, graph_from_dict, graph_to_dict


def save_graph(graph: Graph, path) -> None:
    write_json(graph_to_dict(graph), path)


def load_graph(path) -> Graph:
    p = Path(path)
    return graph_from_dict(read_json(p)) if p.exists() else Graph()