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erpnew/flower/app_version.py

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2.5 KiB
Python

from django.conf import settings
from django.core.cache import cache
from django.utils import timezone
from rest_framework.permissions import AllowAny
from rest_framework.response import Response
from rest_framework.views import APIView
APP_VERSION_CACHE_KEY = "app_version:latest"
def _coerce_version_part(value) -> int:
return max(0, int(value or 0))
def _coerce_publish_date(value) -> str:
return str(value or timezone.localdate().isoformat()).strip()
def build_app_version_payload(
*,
major,
minor,
build,
download_url: str,
force=False,
publish_date=None,
) -> dict:
return {
"latest_version": {
"major": _coerce_version_part(major),
"minor": _coerce_version_part(minor),
"build": _coerce_version_part(build),
},
"download_url": str(download_url or "").strip(),
"force": bool(force),
"publish_date": _coerce_publish_date(publish_date),
}
def get_app_version_payload() -> dict:
cached_payload = cache.get(APP_VERSION_CACHE_KEY)
if isinstance(cached_payload, dict):
try:
version = cached_payload["latest_version"]
return build_app_version_payload(
major=version["major"],
minor=version["minor"],
build=version["build"],
download_url=cached_payload.get("download_url", ""),
force=cached_payload["force"],
publish_date=cached_payload["publish_date"],
)
except (KeyError, TypeError, ValueError):
pass
return build_app_version_payload(
major=getattr(settings, "APP_LATEST_VERSION_MAJOR", 0),
minor=getattr(settings, "APP_LATEST_VERSION_MINOR", 0),
build=getattr(settings, "APP_LATEST_VERSION_BUILD", 0),
download_url=getattr(settings, "APP_DOWNLOAD_URL", ""),
force=getattr(settings, "APP_FORCE_UPDATE", False),
publish_date=getattr(settings, "APP_PUBLISH_DATE", None),
)
def set_cached_app_version_payload(
*,
major,
minor,
build,
download_url: str,
force=False,
publish_date=None,
) -> dict:
payload = build_app_version_payload(
major=major,
minor=minor,
build=build,
download_url=download_url,
force=force,
publish_date=publish_date,
)
cache.set(APP_VERSION_CACHE_KEY, payload, timeout=None)
return payload
class AppVersionView(APIView):
permission_classes = [AllowAny]
def get(self, request):
return Response(get_app_version_payload())