✨ 缓存与重建缓存指令

.vscode/settings.json

@@ -13,6 +13,7 @@
         "htmlrender",
         "localstore",
         "parameterless",
+        "postprocessor",
         "pyecharts",
         "pygal",
         "sqlalchemy",

README.md

@@ -158,12 +158,6 @@ __！！注意！！__
 
 - [x] 私聊的查询（超级用户可以任意查询群聊的信息）一半完成
 
-- [ ] 提供多样化的渲染器配置（html 渲染，pillow 渲染，统计绘图软件渲染）
-
-- [ ] 使用管理员权限直接获取 QQ 官方统计的今日消息量以优化代码运行速度
-
-- [ ] 为 pillow 渲染方式提供插件的加载方式（什么？插件里的插件？？？）
-
 - [ ] 特殊的储存方案优化消息统计
 
 - [ ] 查询带某关键词的消息量

nonebot_plugin_dialectlist/__init__.py

@@ -16,6 +16,7 @@ from datetime import datetime, timedelta
 from arclet.alconna import ArparmaBehavior
 from arclet.alconna.arparma import Arparma
 
+from nonebot import on_command
 from nonebot.log import logger
 from nonebot.typing import T_State
 from nonebot.params import Arg, Depends
@@ -30,8 +31,7 @@ from nonebot_plugin_alconna import (
 from nonebot_plugin_chatrecorder import get_message_records
 from nonebot_plugin_session import Session, SessionIdType, extract_session
 
-# from . import migrations #抄词云的部分代码，还不知道这有什么用
+from .storage import get_cache,build_cache
-# from .function import *
 from .config import Config, plugin_config
 from .usage import __usage__
 from .time import (
@@ -45,7 +45,6 @@ from .utils import (
     get_rank_image,
     persist_id2user_id,
     get_user_infos,
-    # get_user_info2,
 )
 
 __plugin_meta__ = PluginMetadata(
@@ -58,7 +57,6 @@ __plugin_meta__ = PluginMetadata(
         "nonebot_plugin_chatrecorder", "nonebot_plugin_saa", "nonebot_plugin_alconna"
     ),
     config=Config,
-    # extra={"orm_version_location": migrations},
 )
 
 
@@ -76,6 +74,13 @@ def wrapper(slot: Union[int, str], content: Optional[str], context) -> str:
         return content
     return ""  # pragma: no cover
 
+build_cache_cmd = on_command("build_cache", aliases={"重建缓存"}, block=True)
+
+@build_cache_cmd.handle()
+async def _build_cache(bot: Bot, event: Event):
+    await saa.Text("正在重建缓存，请稍等。").send(reply=True)
+    await build_cache()
+    await saa.Text("重建缓存完成。").send(reply=True)
 
 rank_cmd = on_alconna(
     Alconna(
@@ -187,8 +192,6 @@ async def _group_message(
                 except ValueError:
                     await rank_cmd.finish("请输入正确的日期，不然我没法理解呢！")
 
-    logger.debug(f"命令解析花费时间:{t.time() - t1}")
-
 
 @rank_cmd.got(
     "start",
@@ -221,8 +224,9 @@ async def handle_rank(
         await saa.Text("没有指定群哦").finish()
 
     if plugin_config.counting_cache:
-        raise Exception("我草缓存功能还没端上来呢，你怎么就先用上了")
+        raw_rank = await get_cache(start, stop, id)
     else:
+        t1 = t.time()
         messages = await get_message_records(
             id2s=[id],
             id_type=SessionIdType.GROUP,
@@ -233,12 +237,12 @@ async def handle_rank(
             time_stop=stop,
             exclude_id1s=plugin_config.excluded_people,
         )
-
+        logger.debug(f"获取计数消息花费时间:{t.time() - t1}")
-        if not messages:
-            await saa.Text("明明这个时间段都没有人说话怎么会有话痨榜呢？").finish()
-
         raw_rank = msg_counter(messages)
 
+    if not raw_rank:
+        await saa.Text("明明这个时间段都没有人说话怎么会有话痨榜呢？").finish()
+
     rank = got_rank(raw_rank)
     logger.debug(rank)
     ids = await persist_id2user_id([int(i[0]) for i in rank])
@@ -276,10 +280,3 @@ async def handle_rank(
     logger.debug(f"群聊消息渲染图片花费时间:{t.time() - t1}")
 
     await msg.finish(reply=True)
-
-
-# @scheduler.scheduled_job(
-#     "dialectlist", day="*/2", id="xxx", args=[1], kwargs={"arg2": 2}
-# )
-# async def __():
-#     pass

nonebot_plugin_dialectlist/config.py

@@ -7,11 +7,11 @@ class ScopedConfig(BaseModel):
     get_num: int = 5  # 获取人数数量
     font: str = "SimHei"  # 字体格式
     suffix: bool = False  # 是否显示后缀
-    excluded_self: bool = True
+    excluded_self: bool = True  # 是否排除自己
     visualization: bool = True  # 是否可视化
-    counting_cache: bool = False  # 计数缓存（没有完工）
+    counting_cache: bool = True  # 计数缓存(能够提高回复速度)
     excluded_people: List[str] = []  # 排除的人的QQ号
-    timezone: Optional[str] = "Asia/Shanghai"
+    timezone: Optional[str] = "Asia/Shanghai"  # 时区，影响统计时间
     string_suffix: str = "统计花费时间:{timecost}秒"  # 消息格式后缀
     template_path: str = "./template/rank_template.j2"  # 模板路径
     string_format: str = "第{index}名：\n{nickname},{chatdatanum}条消息\n"  # 消息格式

nonebot_plugin_dialectlist/model.py

@@ -14,14 +14,9 @@ class UserRankInfo(UserInfo):
     user_avatar_bytes: bytes
 
 
-# class MsgCountDayData(BaseModel):
-#     session_id: str
-#     session_bnum: int
-
-
 class MessageCountCache(Model):
     __table_args__ = {"extend_existing": True}
-    id: Mapped[int] = mapped_column(primary_key=True)
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
     time: Mapped[datetime]
-    session_id: Mapped[int] = mapped_column(Integer)
+    session_id: Mapped[int] = mapped_column(Integer, index=True)
     session_bnum: Mapped[int] = mapped_column(Integer)

nonebot_plugin_dialectlist/storage.py

@@ -1,2 +1,129 @@
-# TODO 使用计数缓存进行数据库查询优化，避免一次性查询过多消息导致内存爆炸。
+import os
-from nonebot_plugin_orm import Model
+import json
+from datetime import datetime
+from sqlalchemy import delete, or_, select
+
+from nonebot import get_driver
+from nonebot.log import logger
+from nonebot.params import Depends
+from nonebot.adapters import Event,Bot
+from nonebot.message import event_postprocessor
+
+from .model import MessageCountCache
+from .config import plugin_config
+
+from nonebot_plugin_localstore import get_data_file
+from nonebot_plugin_chatrecorder import get_message_records
+from nonebot_plugin_chatrecorder.utils import remove_timezone
+from nonebot_plugin_session import extract_session, Session
+from nonebot_plugin_session_orm import SessionModel, get_session_persist_id
+from nonebot_plugin_orm import get_session
+
+
+async def get_cache(time_start: datetime, time_stop: datetime, group_id: str):
+    async with get_session() as db_session:
+        where = [or_(SessionModel.id2 == group_id)]
+        statement = select(SessionModel).where(*where)
+
+        sessions = (await db_session.scalars(statement)).all()
+
+        where = [
+            or_(MessageCountCache.session_id == session.id) for session in sessions
+        ]
+        where.append(or_(MessageCountCache.time >= remove_timezone(time_start)))
+        where.append(or_(MessageCountCache.time <= remove_timezone(time_stop)))
+        statement = select(MessageCountCache).where(*where)
+
+        user_caches = (await db_session.scalars(statement)).all()
+        raw_rank = {}
+        for i in user_caches:
+            raw_rank[i.session_id] = i.session_bnum
+        return raw_rank
+
+
+async def build_cache():
+    async with get_session() as db_session:
+        await db_session.execute(delete(MessageCountCache))
+        await db_session.commit()
+    logger.info("先前可能存在的缓存已清空")
+    messages = await get_message_records(types=["message"])
+    async with get_session() as db_session:
+        for msg in messages:
+            msg_session_id = msg.session_persist_id
+
+            where = [or_(MessageCountCache.session_id == msg_session_id)]
+            where.append(
+                or_(
+                    MessageCountCache.time
+                    == remove_timezone(msg.time.replace(hour=1, minute=0, second=0, microsecond=0))
+                )
+            )
+            statement = select(MessageCountCache).where(*where)
+
+            user_cache = (await db_session.scalars(statement)).all()
+
+            if user_cache:
+                user_cache[0].session_bnum += 1
+            else:
+                user_cache = MessageCountCache(
+                    session_id=msg.session_persist_id,
+                    time=remove_timezone(msg.time.replace(hour=1, minute=0, second=0, microsecond=0)),
+                    session_bnum=1,
+                )
+                db_session.add(user_cache)
+            await db_session.commit()
+
+    logger.info("缓存构建完成")
+
+
+driver = get_driver()
+
+
+@driver.on_startup
+async def _():
+    if not plugin_config.counting_cache:
+        return
+    f_name = get_data_file("nonebot-plugin-dialectlist", "is-pre-cached.json")
+    if not os.path.exists(f_name):
+        with open(f_name, "w", encoding="utf-8") as f:
+            s = json.dumps({"is-pre-cached": False}, ensure_ascii=False, indent=4)
+            f.write(s)
+
+    with open(f_name, "r", encoding="utf-8") as f:
+        if json.load(f)["is-pre-cached"]:
+            return
+    logger.info("未检查到缓存，开始构建缓存")
+    with open(f_name, "w", encoding="utf-8") as f:
+        await build_cache()
+        json.dump({"is-pre-cached": True}, f, ensure_ascii=False, indent=4)
+
+
+@event_postprocessor
+async def _(bot: Bot, event: Event,session: Session = Depends(extract_session)):
+    if not plugin_config.counting_cache:
+        return
+    if not session.id2:
+        return
+    if event.get_type() != "message":
+        return
+    now = datetime.now()
+    now = now.replace(hour=1, minute=0, second=0, microsecond=0)
+
+    async with get_session() as db_session:
+        session_id = await get_session_persist_id(session)
+        where = [or_(MessageCountCache.session_id == session_id)]
+        where = [or_(MessageCountCache.time == remove_timezone(now))]
+        statement = select(MessageCountCache).where(*where)
+        user_cache = (await db_session.scalars(statement)).all()
+
+        if user_cache:
+            user_cache[0].session_bnum += 1
+        else:
+            user_cache = MessageCountCache(
+                session_id=session_id,
+                time=remove_timezone(now),
+                session_bnum=1,
+            )
+            db_session.add(user_cache)
+        await db_session.commit()
+    logger.debug("已计入缓存")

nonebot_plugin_dialectlist/utils.py

@@ -26,16 +26,6 @@ from .config import plugin_config
 
 cache_path = get_cache_dir("nonebot_plugin_dialectlist")
 
-# 暂时不做考虑
-# def admin_permission():
-#     permission = SUPERUSER
-#     with contextlib.suppress(ImportError):
-#         from nonebot.adapters.onebot.v11.permission import GROUP_ADMIN, GROUP_OWNER
-
-#         permission = permission | GROUP_ADMIN | GROUP_OWNER
-
-#     return permission
-
 
 async def ensure_group(matcher: Matcher, session: Session = Depends(extract_session)):
     """确保在群组中使用"""