# retoor <retoor@molodetz.nl>
import logging
from datetime import datetime, timezone
from typing import Any
from devplacepy.database import db, get_table
from devplacepy.push.providers import DEFAULT_PROVIDER
from devplacepy.utils import generate_uid
logger = logging.getLogger(__name__)
TABLE = "push_registration"
def table():
return get_table(TABLE)
def provider_of(registration: dict[str, Any]) -> str:
return registration.get("provider") or DEFAULT_PROVIDER
def active_for_user(user_uid: str) -> list[dict[str, Any]]:
return list(table().find(user_uid=user_uid, deleted_at=None))
def register(
user_uid: str, provider: str, fields: dict[str, Any]
) -> tuple[dict[str, Any], bool]:
registrations = table()
existing = registrations.find_one(
user_uid=user_uid, provider=provider, deleted_at=None, **fields
)
if existing:
logger.debug("Push subscription already registered for user %s", user_uid)
return existing, False
record = {
"uid": generate_uid(),
"user_uid": user_uid,
"provider": provider,
"created_at": datetime.now(timezone.utc).isoformat(),
"deleted_at": None,
**fields,
}
registrations.insert(record)
logger.info("Registered %s push subscription for user %s", provider, user_uid)
return record, True
def mark_dead(registration_id: int) -> None:
table().update(
{"id": registration_id, "deleted_at": datetime.now(timezone.utc).isoformat()},
["id"],
)
logger.info("Soft-deleted dead push subscription id=%s", registration_id)
def prune(cutoff: str) -> int:
if TABLE not in db.tables:
return 0
rows = list(table().find(deleted_at={"<": cutoff}))
if not rows:
return 0
table().delete(deleted_at={"<": cutoff})
return len(rows)
def counts() -> dict[str, int]:
if TABLE not in db.tables:
return {}
totals: dict[str, int] = {"dead": 0}
for row in db.query(
f"SELECT provider AS provider, deleted_at IS NULL AS live, COUNT(*) AS total "
f"FROM {TABLE} GROUP BY provider, deleted_at IS NULL"
):
provider = row["provider"] or DEFAULT_PROVIDER
if row["live"]:
totals[provider] = totals.get(provider, 0) + int(row["total"])
else:
totals["dead"] += int(row["total"])
return totals