56 lines
1.9 KiB
Python
56 lines
1.9 KiB
Python
import json
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import logging
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from pathlib import Path
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from typing import Any, Type
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from django.conf import settings
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from django.core.cache import cache
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from django.core.exceptions import BadRequest
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from django.utils.translation import gettext_lazy as _
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from graphene import Context
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from rest_framework.request import Request
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from engine.vibes_auth.models import User
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logger = logging.getLogger(__name__)
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def is_safe_cache_key(key: str) -> bool:
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return key not in settings.UNSAFE_CACHE_KEYS
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def get_cached_value(user: Type[User], key: str, default: Any = None) -> Any:
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if user.is_staff or user.is_superuser:
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return cache.get(key, default)
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if is_safe_cache_key(key):
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return cache.get(key, default)
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return None
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def set_cached_value(user: Type[User], key: str, value: object, timeout: int = 3600) -> None | object:
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if user.is_staff or user.is_superuser:
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cache.set(key, value, timeout)
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return value
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return None
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def web_cache(request: Request | Context, key: str, data: dict[str, Any], timeout: int) -> dict[str, Any]:
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if not data and not timeout:
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return {"data": get_cached_value(request.user, key)} # type: ignore [assignment, arg-type]
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if (data and not timeout) or (timeout and not data):
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raise BadRequest(_("both data and timeout are required"))
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if not 0 < int(timeout) < 216000:
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raise BadRequest(_("invalid timeout value, it must be between 0 and 216000 seconds"))
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return {"data": set_cached_value(request.user, key, data, timeout)} # type: ignore [assignment, arg-type]
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def set_default_cache() -> None:
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data_dir = Path(__file__).resolve().parent.parent / "data"
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for json_file in data_dir.glob("*.json"):
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with json_file.open("r", encoding="utf-8") as f:
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data = json.load(f)
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logger.info("Setting cache for %s", json_file.stem)
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cache.set(json_file.stem, data, timeout=28800)
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