67 lines
2.1 KiB
Python
67 lines
2.1 KiB
Python
from __future__ import annotations
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import asyncio
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from collections import OrderedDict
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from typing import Any, TYPE_CHECKING
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if TYPE_CHECKING:
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pass
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_MAX_CACHE_SIZE = 100
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class MessageCache:
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def __init__(self):
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self._cache: dict[str, OrderedDict[str, dict[str, Any]]] = {}
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self._sent_ids: OrderedDict[str, float] = OrderedDict()
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self._sent_max = 200
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self._lock = asyncio.Lock()
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async def cache_message(self, msg_id: str, channel_id: str, content: str, author: str) -> None:
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entry = {
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"id": msg_id,
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"author": author,
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"content": content,
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}
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async with self._lock:
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if channel_id not in self._cache:
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self._cache[channel_id] = OrderedDict()
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if msg_id:
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self._cache[channel_id][msg_id] = entry
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self._cache[channel_id].move_to_end(msg_id)
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if len(self._cache[channel_id]) > _MAX_CACHE_SIZE:
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self._cache[channel_id].popitem(last=False)
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async def get_channel_history(self, channel_id: str, limit: int = 50) -> list[dict[str, Any]]:
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async with self._lock:
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if channel_id not in self._cache:
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return []
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items = list(self._cache[channel_id].values())
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return items[-limit:]
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def get_recent(self, channel_id: str, limit: int = 50) -> list[dict[str, Any]]:
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if channel_id not in self._cache:
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return []
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items = list(self._cache[channel_id].values())
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return items[-limit:]
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async def track_sent_message(self, msg_id: str) -> None:
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import time
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async with self._lock:
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self._sent_ids[msg_id] = time.monotonic()
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self._sent_ids.move_to_end(msg_id)
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if len(self._sent_ids) > self._sent_max:
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self._sent_ids.popitem(last=False)
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async def is_sent(self, msg_id: str) -> bool:
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async with self._lock:
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return msg_id in self._sent_ids
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async def clear_channel(self, channel_id: str) -> None:
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async with self._lock:
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self._cache.pop(channel_id, None)
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