将成语接龙还原为内存存储，空调优化为部分内存存储且具有过期期限，避免频繁数据库查询

konabot/plugins/air_conditioner/ac.py

@@ -1,14 +1,20 @@
+import asyncio
 from enum import Enum
 from io import BytesIO
 from pathlib import Path
+import signal
+import time
 
 import cv2
 import numpy as np
 from PIL import Image, ImageDraw, ImageFont
 
+from nonebot import logger
+
 from konabot.common.database import DatabaseManager
 from konabot.common.path import ASSETS_PATH, FONTS_PATH
 from konabot.common.path import DATA_PATH
+import nonebot
 import json
 
 ROOT_PATH = Path(__file__).resolve().parent
@@ -20,9 +26,102 @@ class CrashType(Enum):
     BURNT = 0
     FROZEN = 1
 
+driver = nonebot.get_driver()
+
+ac_manager: 'AirConditionerManager' = None
+
+@driver.on_startup
+async def register_startup_hook():
+    global ac_manager
+    # 启动自动保存任务
+    ac_manager = AirConditionerManager(save_interval=300)  # 5分钟
+    await ac_manager.start_auto_save()
+
+@driver.on_shutdown
+async def register_shutdown_hook():
+    """注册关闭时需要执行的函数"""
+    # 停止自动保存任务
+    if ac_manager:
+        await ac_manager.stop_auto_save()
+
+class AirConditionerManager:
+    def __init__(self, save_interval: int = 300):  # 默认5分钟保存一次
+        self.save_interval = save_interval
+        self._save_task = None
+        self._running = False
+        
+    async def start_auto_save(self):
+        """启动自动保存任务"""
+        self._running = True
+        self._save_task = asyncio.create_task(self._auto_save_loop())
+            
+        logger.info(f"自动保存任务已启动，间隔: {self.save_interval}秒")
+    
+    async def stop_auto_save(self):
+        """停止自动保存任务"""
+        if self._save_task:
+            self._running = False
+            self._save_task.cancel()
+            try:
+                await self._save_task
+            except asyncio.CancelledError:
+                pass
+            logger.info("自动保存任务已停止")
+        else:
+            logger.warning("没有正在运行的自动保存任务")
+        
+    async def _auto_save_loop(self):
+        """自动保存循环"""
+        while self._running:
+            try:
+                await asyncio.sleep(self.save_interval)
+                await self.save_all_instances()
+            except asyncio.CancelledError:
+                break
+            except Exception as e:
+                logger.error(f"定时保存失败: {e}")
+                
+    async def save_all_instances(self):
+        save_time = time.time()
+        to_remove = []
+        """保存所有实例到数据库"""
+        for ac_id, ac_instance in AirConditioner.InstancesPool.items():
+            try:
+                await db_manager.execute_by_sql_file(
+                    ROOT_PATH / "sql" / "update_ac.sql",
+                    (ac_instance.on, ac_instance.temperature, 
+                     ac_instance.burnt, ac_instance.frozen, ac_id)
+                )
+                if(save_time - ac_instance.instance_get_time >= 3600):
+                    to_remove.append(ac_id)
+            except Exception as e:
+                logger.error(f"保存空调 {ac_id} 失败: {e}")
+
+        logger.info(f"定时保存完成，共保存 {len(AirConditioner.InstancesPool)} 个空调实例")
+
+        # 删除时间过长实例
+        for ac_id in to_remove:
+            del AirConditioner.InstancesPool[ac_id]
+
+        logger.info(f"清理长期不活跃的空调实例完成，目前池内共有 {len(AirConditioner.InstancesPool)} 个实例")
+
 class AirConditioner:
+    InstancesPool: dict[str, 'AirConditioner'] = {}
+
+    @classmethod
+    async def refresh_ac(cls, id: str):
+        cls.InstancesPool[id].instance_get_time = time.time()
+
+    @classmethod
+    async def storage_ac(cls, id: str, ac: 'AirConditioner'):
+        cls.InstancesPool[id] = ac
+
     @classmethod
     async def get_ac(cls, id: str) -> 'AirConditioner':
+        if(id in cls.InstancesPool):
+            cls.refresh_ac(id)
+            return cls.InstancesPool[id]
+        # 如果没有，那么从数据库重新实例化一个 AC 出来
         result = await db_manager.query_by_sql_file(ROOT_PATH / "sql" / "query_ac.sql", (id,))
         if len(result) == 0:
             ac = await cls.create_ac(id)
@@ -33,6 +132,7 @@ class AirConditioner:
         ac.temperature = float(ac_data["temperature"])
         ac.burnt = bool(ac_data["burnt"])
         ac.frozen = bool(ac_data["frozen"])
+        await cls.storage_ac(id, ac)
         return ac
 
     @classmethod
@@ -42,6 +142,7 @@ class AirConditioner:
             ROOT_PATH / "sql" / "insert_ac.sql",
             (id, ac.on, ac.temperature, ac.burnt, ac.frozen)
         )
+        await cls.storage_ac(id, ac)
         return ac
     
     async def update_ac(self, state: bool = None, temperature_delta: float = None, burnt: bool = None, frozen: bool = None) -> 'AirConditioner':
@@ -53,10 +154,10 @@ class AirConditioner:
             self.burnt = burnt
         if frozen is not None:
             self.frozen = frozen
-        await db_manager.execute_by_sql_file(
-            ROOT_PATH / "sql" / "update_ac.sql",
-            (self.on, self.temperature, self.burnt, self.frozen, self.id)
-        )
+        # await db_manager.execute_by_sql_file(
+        #     ROOT_PATH / "sql" / "update_ac.sql",
+        #     (self.on, self.temperature, self.burnt, self.frozen, self.id)
+        # )
         return self
 
     async def change_ac(self) -> 'AirConditioner':
@@ -64,10 +165,10 @@ class AirConditioner:
         self.temperature = 24
         self.burnt = False
         self.frozen = False
-        await db_manager.execute_by_sql_file(
-            ROOT_PATH / "sql" / "update_ac.sql",
-            (self.on, self.temperature, self.burnt, self.frozen, self.id)
-        )
+        # await db_manager.execute_by_sql_file(
+        #     ROOT_PATH / "sql" / "update_ac.sql",
+        #     (self.on, self.temperature, self.burnt, self.frozen, self.id)
+        # )
         return self
 
     def __init__(self, id: str) -> None:
@@ -77,6 +178,8 @@ class AirConditioner:
         self.burnt = False
         self.frozen = False
 
+        self.instance_get_time = time.time()
+
     async def broke_ac(self, crash_type: CrashType):
         '''
         让空调坏掉