|
| 1 | +import asyncio |
| 2 | +import logging |
| 3 | +from datetime import datetime, timezone |
| 4 | +from typing import Any |
| 5 | + |
| 6 | +import httpx |
| 7 | + |
| 8 | +from domain.config import VERSION |
| 9 | +from models.database import Notice |
| 10 | + |
| 11 | +from .types import NoticeItem, NoticeListResponse |
| 12 | + |
| 13 | +logger = logging.getLogger(__name__) |
| 14 | + |
| 15 | +REMOTE_NOTICES_URL = "https://foxel.cc/api/notices" |
| 16 | +SYNC_INTERVAL_SECONDS = 60 * 60 * 24 |
| 17 | +PAGE_SIZE = 20 |
| 18 | + |
| 19 | + |
| 20 | +def _normalize_version(version: str) -> str: |
| 21 | + return (version or "").strip().removeprefix("v").removeprefix("V") |
| 22 | + |
| 23 | + |
| 24 | +def _parse_remote_time(value: Any) -> datetime: |
| 25 | + if isinstance(value, (int, float)): |
| 26 | + timestamp = float(value) |
| 27 | + if timestamp > 10_000_000_000: |
| 28 | + timestamp = timestamp / 1000 |
| 29 | + return datetime.fromtimestamp(timestamp, timezone.utc) |
| 30 | + if isinstance(value, str): |
| 31 | + text = value.strip() |
| 32 | + if not text: |
| 33 | + return datetime.now(timezone.utc) |
| 34 | + try: |
| 35 | + if text.isdigit(): |
| 36 | + return _parse_remote_time(int(text)) |
| 37 | + return datetime.fromisoformat(text.replace("Z", "+00:00")) |
| 38 | + except ValueError: |
| 39 | + return datetime.now(timezone.utc) |
| 40 | + return datetime.now(timezone.utc) |
| 41 | + |
| 42 | + |
| 43 | +class NoticeService: |
| 44 | + @classmethod |
| 45 | + async def list_notices(cls, page: int = 1, page_size: int = PAGE_SIZE) -> NoticeListResponse: |
| 46 | + page = max(1, page) |
| 47 | + page_size = max(1, min(page_size, 100)) |
| 48 | + query = Notice.all().order_by("-created_at", "-id") |
| 49 | + total = await query.count() |
| 50 | + notices = await query.offset((page - 1) * page_size).limit(page_size) |
| 51 | + return NoticeListResponse( |
| 52 | + items=[cls._to_item(item) for item in notices], |
| 53 | + page=page, |
| 54 | + pageSize=page_size, |
| 55 | + total=total, |
| 56 | + ) |
| 57 | + |
| 58 | + @classmethod |
| 59 | + async def get_popup_notice(cls) -> NoticeItem | None: |
| 60 | + notice = await Notice.filter(is_popup=True, popup_dismissed=False).order_by("-created_at", "-id").first() |
| 61 | + if not notice: |
| 62 | + return None |
| 63 | + return cls._to_item(notice) |
| 64 | + |
| 65 | + @classmethod |
| 66 | + async def dismiss_popup(cls, notice_id: int) -> None: |
| 67 | + await Notice.filter(id=notice_id).update(popup_dismissed=True, is_popup=False) |
| 68 | + |
| 69 | + @classmethod |
| 70 | + async def sync_remote_notices(cls) -> None: |
| 71 | + items = await cls._fetch_remote_notices() |
| 72 | + if not items: |
| 73 | + return |
| 74 | + |
| 75 | + popup_remote_ids: list[int] = [] |
| 76 | + for raw in items: |
| 77 | + remote_id = raw.get("id") |
| 78 | + if remote_id is None: |
| 79 | + continue |
| 80 | + try: |
| 81 | + remote_id = int(remote_id) |
| 82 | + except (TypeError, ValueError): |
| 83 | + continue |
| 84 | + |
| 85 | + is_popup = bool(raw.get("isPopup")) |
| 86 | + if is_popup: |
| 87 | + popup_remote_ids.append(remote_id) |
| 88 | + |
| 89 | + notice = await Notice.get_or_none(remote_id=remote_id) |
| 90 | + popup_dismissed = notice.popup_dismissed if notice else False |
| 91 | + await Notice.update_or_create( |
| 92 | + remote_id=remote_id, |
| 93 | + defaults={ |
| 94 | + "title": str(raw.get("title") or "")[:255], |
| 95 | + "content_md": str(raw.get("contentMd") or ""), |
| 96 | + "is_popup": is_popup and not popup_dismissed, |
| 97 | + "created_at": _parse_remote_time(raw.get("createdAt")), |
| 98 | + }, |
| 99 | + ) |
| 100 | + |
| 101 | + await cls._keep_only_latest_popup(popup_remote_ids) |
| 102 | + |
| 103 | + @classmethod |
| 104 | + async def _keep_only_latest_popup(cls, popup_remote_ids: list[int]) -> None: |
| 105 | + latest = await Notice.filter(remote_id__in=popup_remote_ids, popup_dismissed=False).order_by( |
| 106 | + "-created_at", "-id" |
| 107 | + ).first() |
| 108 | + if not latest: |
| 109 | + return |
| 110 | + await Notice.filter(is_popup=True).exclude(id=latest.id).update(is_popup=False) |
| 111 | + |
| 112 | + @classmethod |
| 113 | + async def _fetch_remote_notices(cls) -> list[dict[str, Any]]: |
| 114 | + results: list[dict[str, Any]] = [] |
| 115 | + page = 1 |
| 116 | + async with httpx.AsyncClient(timeout=15.0, follow_redirects=True) as client: |
| 117 | + while True: |
| 118 | + resp = await client.get( |
| 119 | + REMOTE_NOTICES_URL, |
| 120 | + params={"version": _normalize_version(VERSION), "page": page}, |
| 121 | + ) |
| 122 | + resp.raise_for_status() |
| 123 | + data = resp.json() |
| 124 | + items = data.get("items") if isinstance(data, dict) else None |
| 125 | + if not isinstance(items, list): |
| 126 | + break |
| 127 | + results.extend(item for item in items if isinstance(item, dict)) |
| 128 | + |
| 129 | + total = data.get("total", len(results)) if isinstance(data, dict) else len(results) |
| 130 | + page_size = data.get("pageSize") or data.get("page_size") or len(items) |
| 131 | + if not items or len(results) >= int(total or 0) or page_size <= 0: |
| 132 | + break |
| 133 | + page += 1 |
| 134 | + return results |
| 135 | + |
| 136 | + @staticmethod |
| 137 | + def _to_item(notice: Notice) -> NoticeItem: |
| 138 | + return NoticeItem( |
| 139 | + id=notice.id, |
| 140 | + title=notice.title, |
| 141 | + contentMd=notice.content_md or "", |
| 142 | + isPopup=notice.is_popup and not notice.popup_dismissed, |
| 143 | + createdAt=int(notice.created_at.timestamp() * 1000), |
| 144 | + ) |
| 145 | + |
| 146 | + |
| 147 | +class NoticeSyncService: |
| 148 | + def __init__(self): |
| 149 | + self._worker: asyncio.Task | None = None |
| 150 | + self._stop_event = asyncio.Event() |
| 151 | + |
| 152 | + async def start(self) -> None: |
| 153 | + if self._worker and not self._worker.done(): |
| 154 | + return |
| 155 | + self._stop_event.clear() |
| 156 | + self._worker = asyncio.create_task(self._run_loop()) |
| 157 | + |
| 158 | + async def stop(self) -> None: |
| 159 | + if not self._worker: |
| 160 | + return |
| 161 | + self._stop_event.set() |
| 162 | + await self._worker |
| 163 | + self._worker = None |
| 164 | + |
| 165 | + async def _run_loop(self) -> None: |
| 166 | + while not self._stop_event.is_set(): |
| 167 | + try: |
| 168 | + await NoticeService.sync_remote_notices() |
| 169 | + except Exception: |
| 170 | + logger.exception("Failed to sync notices") |
| 171 | + try: |
| 172 | + await asyncio.wait_for(self._stop_event.wait(), timeout=SYNC_INTERVAL_SECONDS) |
| 173 | + except asyncio.TimeoutError: |
| 174 | + pass |
| 175 | + |
| 176 | + |
| 177 | +notice_sync_service = NoticeSyncService() |
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