refactor(service): remove unused services
This commit is contained in:
MingxuanGame
@@ -1,214 +0,0 @@
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"""
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Redis 消息队列服务
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用于实现实时消息推送和异步数据库持久化
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"""
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from __future__ import annotations
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import asyncio
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import concurrent.futures
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from datetime import datetime
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import uuid
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from app.database.chat import ChatMessage, MessageType
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from app.dependencies.database import get_redis, with_db
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from app.log import logger
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from app.utils import bg_tasks
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class MessageQueue:
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"""Redis 消息队列服务"""
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def __init__(self):
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self.redis = get_redis()
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self._processing = False
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self._batch_size = 50 # 批量处理大小
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self._batch_timeout = 1.0 # 批量处理超时时间（秒）
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self._executor = concurrent.futures.ThreadPoolExecutor(max_workers=4)
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async def _run_in_executor(self, func, *args):
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"""在线程池中运行同步 Redis 操作"""
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loop = asyncio.get_event_loop()
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return await loop.run_in_executor(self._executor, func, *args)
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async def start_processing(self):
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"""启动消息处理任务"""
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if not self._processing:
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self._processing = True
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bg_tasks.add_task(self._process_message_queue)
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logger.info("Message queue processing started")
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async def stop_processing(self):
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"""停止消息处理"""
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self._processing = False
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logger.info("Message queue processing stopped")
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async def enqueue_message(self, message_data: dict) -> str:
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"""
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将消息加入 Redis 队列（实时响应）
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Args:
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message_data: 消息数据字典，包含所有必要的字段
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Returns:
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消息的临时 UUID
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"""
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# 生成临时 UUID
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temp_uuid = str(uuid.uuid4())
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message_data["temp_uuid"] = temp_uuid
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message_data["timestamp"] = datetime.now().isoformat()
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message_data["status"] = "pending" # pending, processing, completed, failed
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# 将消息存储到 Redis
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await self._run_in_executor(lambda: self.redis.hset(f"msg:{temp_uuid}", mapping=message_data))
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await self._run_in_executor(self.redis.expire, f"msg:{temp_uuid}", 3600) # 1小时过期
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# 加入处理队列
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await self._run_in_executor(self.redis.lpush, "message_queue", temp_uuid)
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logger.info(f"Message enqueued with temp_uuid: {temp_uuid}")
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return temp_uuid
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async def get_message_status(self, temp_uuid: str) -> dict | None:
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"""获取消息状态"""
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message_data = await self._run_in_executor(self.redis.hgetall, f"msg:{temp_uuid}")
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if not message_data:
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return None
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return message_data
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async def get_cached_messages(self, channel_id: int, limit: int = 50, since: int = 0) -> list[dict]:
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"""
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从 Redis 获取缓存的消息
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Args:
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channel_id: 频道 ID
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limit: 限制数量
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since: 获取自此消息 ID 之后的消息
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Returns:
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消息列表
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"""
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# 从 Redis 获取频道最近的消息 UUID 列表
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message_uuids = await self._run_in_executor(self.redis.lrange, f"channel:{channel_id}:messages", 0, limit - 1)
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messages = []
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for uuid_str in message_uuids:
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message_data = await self._run_in_executor(self.redis.hgetall, f"msg:{uuid_str}")
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if message_data:
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# 检查是否满足 since 条件
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if since > 0 and "message_id" in message_data:
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if int(message_data["message_id"]) <= since:
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continue
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messages.append(message_data)
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return messages[::-1] # 返回时间顺序
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async def cache_channel_message(self, channel_id: int, temp_uuid: str, max_cache: int = 100):
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"""将消息 UUID 缓存到频道消息列表"""
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# 添加到频道消息列表开头
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await self._run_in_executor(self.redis.lpush, f"channel:{channel_id}:messages", temp_uuid)
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# 限制缓存大小
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await self._run_in_executor(self.redis.ltrim, f"channel:{channel_id}:messages", 0, max_cache - 1)
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# 设置过期时间（24小时）
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await self._run_in_executor(self.redis.expire, f"channel:{channel_id}:messages", 86400)
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async def _process_message_queue(self):
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"""异步处理消息队列，批量写入数据库"""
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while self._processing:
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try:
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# 批量获取消息
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message_uuids = []
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for _ in range(self._batch_size):
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result = await self._run_in_executor(lambda: self.redis.brpop(["message_queue"], timeout=1))
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if result:
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message_uuids.append(result[1])
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else:
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break
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if message_uuids:
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await self._process_message_batch(message_uuids)
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else:
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# 没有消息时短暂等待
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await asyncio.sleep(0.1)
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except Exception as e:
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logger.error(f"Error processing message queue: {e}")
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await asyncio.sleep(1) # 错误时等待1秒再重试
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async def _process_message_batch(self, message_uuids: list[str]):
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"""批量处理消息写入数据库"""
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async with with_db() as session:
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messages_to_insert = []
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for temp_uuid in message_uuids:
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try:
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# 获取消息数据
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message_data = await self._run_in_executor(self.redis.hgetall, f"msg:{temp_uuid}")
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if not message_data:
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continue
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# 更新状态为处理中
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await self._run_in_executor(self.redis.hset, f"msg:{temp_uuid}", "status", "processing")
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# 创建数据库消息对象
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msg = ChatMessage(
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channel_id=int(message_data["channel_id"]),
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content=message_data["content"],
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sender_id=int(message_data["sender_id"]),
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type=MessageType(message_data["type"]),
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uuid=message_data.get("user_uuid"), # 用户提供的 UUID（如果有）
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)
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messages_to_insert.append((msg, temp_uuid))
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except Exception as e:
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logger.error(f"Error preparing message {temp_uuid}: {e}")
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await self._run_in_executor(self.redis.hset, f"msg:{temp_uuid}", "status", "failed")
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if messages_to_insert:
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try:
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# 批量插入数据库
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for msg, temp_uuid in messages_to_insert:
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session.add(msg)
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await session.commit()
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# 更新所有消息状态和真实 ID
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for msg, temp_uuid in messages_to_insert:
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await session.refresh(msg)
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await self._run_in_executor(
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lambda: self.redis.hset(
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f"msg:{temp_uuid}",
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mapping={
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"status": "completed",
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"message_id": str(msg.message_id),
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"created_at": msg.timestamp.isoformat() if msg.timestamp else "",
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},
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)
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)
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logger.info(f"Message {temp_uuid} persisted to DB with ID {msg.message_id}")
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except Exception as e:
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logger.error(f"Error inserting messages to database: {e}")
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await session.rollback()
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# 标记所有消息为失败
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for _, temp_uuid in messages_to_insert:
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await self._run_in_executor(self.redis.hset, f"msg:{temp_uuid}", "status", "failed")
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# 全局消息队列实例
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message_queue = MessageQueue()
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async def start_message_queue():
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"""启动消息队列处理"""
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await message_queue.start_processing()
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async def stop_message_queue():
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"""停止消息队列处理"""
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await message_queue.stop_processing()
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@@ -1,290 +0,0 @@
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"""
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消息队列处理服务
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专门处理 Redis 消息队列的异步写入数据库
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"""
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from __future__ import annotations
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import asyncio
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from concurrent.futures import ThreadPoolExecutor
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from datetime import datetime
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import json
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from app.database.chat import ChatMessage, MessageType
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from app.dependencies.database import get_redis_message, with_db
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from app.log import logger
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class MessageQueueProcessor:
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"""消息队列处理器"""
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def __init__(self):
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self.redis_message = get_redis_message()
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self.executor = ThreadPoolExecutor(max_workers=2)
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self._processing = False
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self._queue_task = None
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async def _redis_exec(self, func, *args, **kwargs):
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"""在线程池中执行 Redis 操作"""
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loop = asyncio.get_event_loop()
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return await loop.run_in_executor(self.executor, lambda: func(*args, **kwargs))
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async def cache_message(self, channel_id: int, message_data: dict, temp_uuid: str):
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"""将消息缓存到 Redis"""
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try:
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# 存储消息数据
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await self._redis_exec(self.redis_message.hset, f"msg:{temp_uuid}", mapping=message_data)
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await self._redis_exec(self.redis_message.expire, f"msg:{temp_uuid}", 3600) # 1小时过期
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# 加入频道消息列表
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await self._redis_exec(self.redis_message.lpush, f"channel:{channel_id}:messages", temp_uuid)
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await self._redis_exec(self.redis_message.ltrim, f"channel:{channel_id}:messages", 0, 99) # 保持最新100条
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await self._redis_exec(self.redis_message.expire, f"channel:{channel_id}:messages", 86400) # 24小时过期
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# 加入异步处理队列
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await self._redis_exec(self.redis_message.lpush, "message_write_queue", temp_uuid)
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logger.info(f"Message cached to Redis: {temp_uuid}")
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except Exception as e:
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logger.error(f"Failed to cache message to Redis: {e}")
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async def get_cached_messages(self, channel_id: int, limit: int = 50, since: int = 0) -> list[dict]:
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"""从 Redis 获取缓存的消息"""
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try:
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message_uuids = await self._redis_exec(
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self.redis_message.lrange,
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f"channel:{channel_id}:messages",
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0,
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limit - 1,
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)
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messages = []
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for temp_uuid in message_uuids:
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# 解码 UUID 如果它是字节类型
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if isinstance(temp_uuid, bytes):
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temp_uuid = temp_uuid.decode("utf-8")
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raw_data = await self._redis_exec(self.redis_message.hgetall, f"msg:{temp_uuid}")
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if raw_data:
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# 解码 Redis 返回的字节数据
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message_data = {
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k.decode("utf-8") if isinstance(k, bytes) else k: v.decode("utf-8")
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if isinstance(v, bytes)
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else v
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for k, v in raw_data.items()
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}
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# 检查 since 条件
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if since > 0 and message_data.get("message_id"):
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if int(message_data["message_id"]) <= since:
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continue
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messages.append(message_data)
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return messages[::-1] # 按时间顺序返回
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except Exception as e:
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logger.error(f"Failed to get cached messages: {e}")
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return []
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async def update_message_status(self, temp_uuid: str, status: str, message_id: int | None = None):
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"""更新消息状态"""
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try:
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update_data = {"status": status}
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if message_id:
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update_data["message_id"] = str(message_id)
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update_data["db_timestamp"] = datetime.now().isoformat()
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await self._redis_exec(self.redis_message.hset, f"msg:{temp_uuid}", mapping=update_data)
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except Exception as e:
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logger.error(f"Failed to update message status: {e}")
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async def get_message_status(self, temp_uuid: str) -> dict | None:
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"""获取消息状态"""
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try:
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raw_data = await self._redis_exec(self.redis_message.hgetall, f"msg:{temp_uuid}")
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if not raw_data:
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return None
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# 解码 Redis 返回的字节数据
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return {
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k.decode("utf-8") if isinstance(k, bytes) else k: v.decode("utf-8") if isinstance(v, bytes) else v
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for k, v in raw_data.items()
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}
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except Exception as e:
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logger.error(f"Failed to get message status: {e}")
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return None
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async def _process_message_queue(self):
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"""处理消息队列，异步写入数据库"""
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logger.info("Message queue processing started")
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while self._processing:
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try:
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# 批量获取消息
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message_uuids = []
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for _ in range(20): # 批量处理20条消息
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result = await self._redis_exec(self.redis_message.brpop, ["message_write_queue"], timeout=1)
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if result:
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# result是 (queue_name, value) 的元组，需要解码
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uuid_value = result[1]
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if isinstance(uuid_value, bytes):
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uuid_value = uuid_value.decode("utf-8")
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message_uuids.append(uuid_value)
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else:
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break
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if not message_uuids:
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await asyncio.sleep(0.5)
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continue
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# 批量写入数据库
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await self._process_message_batch(message_uuids)
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except Exception as e:
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logger.error(f"Error in message queue processing: {e}")
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await asyncio.sleep(1)
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logger.info("Message queue processing stopped")
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async def _process_message_batch(self, message_uuids: list[str]):
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"""批量处理消息写入数据库"""
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async with with_db() as session:
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for temp_uuid in message_uuids:
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try:
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# 获取消息数据并解码
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raw_data = await self._redis_exec(self.redis_message.hgetall, f"msg:{temp_uuid}")
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if not raw_data:
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continue
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# 解码 Redis 返回的字节数据
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message_data = {
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k.decode("utf-8") if isinstance(k, bytes) else k: v.decode("utf-8")
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if isinstance(v, bytes)
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else v
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for k, v in raw_data.items()
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}
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if message_data.get("status") != "pending":
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continue
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# 更新状态为处理中
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await self.update_message_status(temp_uuid, "processing")
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# 创建数据库消息
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msg = ChatMessage(
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channel_id=int(message_data["channel_id"]),
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content=message_data["content"],
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sender_id=int(message_data["sender_id"]),
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type=MessageType(message_data["type"]),
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uuid=message_data.get("user_uuid") or None,
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)
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session.add(msg)
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await session.commit()
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await session.refresh(msg)
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# 更新成功状态，包含临时消息ID映射
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await self.update_message_status(temp_uuid, "completed", msg.message_id)
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# 如果有临时消息ID，存储映射关系并通知客户端更新
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if message_data.get("temp_message_id"):
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temp_msg_id = int(message_data["temp_message_id"])
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await self._redis_exec(
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self.redis_message.set,
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f"temp_to_real:{temp_msg_id}",
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str(msg.message_id),
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ex=3600, # 1小时过期
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)
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# 发送消息ID更新通知到频道
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channel_id = int(message_data["channel_id"])
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await self._notify_message_update(channel_id, temp_msg_id, msg.message_id, message_data)
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logger.info(
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f"Message {temp_uuid} persisted to DB with ID {msg.message_id}, "
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f"temp_id: {message_data.get('temp_message_id')}"
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)
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except Exception as e:
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logger.error(f"Failed to process message {temp_uuid}: {e}")
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await self.update_message_status(temp_uuid, "failed")
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async def _notify_message_update(
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self,
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channel_id: int,
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temp_message_id: int,
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real_message_id: int,
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message_data: dict,
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):
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"""通知客户端消息ID已更新"""
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try:
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# 通过 Redis 发布消息更新事件，由聊天通知服务分发到客户端
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update_event = {
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"event": "chat.message.update",
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"data": {
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"channel_id": channel_id,
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"temp_message_id": temp_message_id,
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"real_message_id": real_message_id,
|
||||
"timestamp": message_data.get("timestamp"),
|
||||
},
|
||||
}
|
||||
|
||||
await self._redis_exec(
|
||||
self.redis_message.publish,
|
||||
f"chat_updates:{channel_id}",
|
||||
json.dumps(update_event),
|
||||
)
|
||||
|
||||
logger.info(f"Published message update: temp_id={temp_message_id}, real_id={real_message_id}")
|
||||
|
||||
except Exception as e:
|
||||
logger.error(f"Failed to notify message update: {e}")
|
||||
|
||||
def start_processing(self):
|
||||
"""启动消息队列处理"""
|
||||
if not self._processing:
|
||||
self._processing = True
|
||||
self._queue_task = asyncio.create_task(self._process_message_queue())
|
||||
logger.info("Message queue processor started")
|
||||
|
||||
def stop_processing(self):
|
||||
"""停止消息队列处理"""
|
||||
if self._processing:
|
||||
self._processing = False
|
||||
if self._queue_task:
|
||||
self._queue_task.cancel()
|
||||
self._queue_task = None
|
||||
logger.info("Message queue processor stopped")
|
||||
|
||||
def __del__(self):
|
||||
"""清理资源"""
|
||||
if hasattr(self, "executor"):
|
||||
self.executor.shutdown(wait=False)
|
||||
|
||||
|
||||
# 全局消息队列处理器实例
|
||||
message_queue_processor = MessageQueueProcessor()
|
||||
|
||||
|
||||
def start_message_processing():
|
||||
"""启动消息队列处理"""
|
||||
message_queue_processor.start_processing()
|
||||
|
||||
|
||||
def stop_message_processing():
|
||||
"""停止消息队列处理"""
|
||||
message_queue_processor.stop_processing()
|
||||
|
||||
|
||||
async def cache_message_to_redis(channel_id: int, message_data: dict, temp_uuid: str):
|
||||
"""将消息缓存到 Redis - 便捷接口"""
|
||||
await message_queue_processor.cache_message(channel_id, message_data, temp_uuid)
|
||||
|
||||
|
||||
async def get_cached_messages(channel_id: int, limit: int = 50, since: int = 0) -> list[dict]:
|
||||
"""从 Redis 获取缓存的消息 - 便捷接口"""
|
||||
return await message_queue_processor.get_cached_messages(channel_id, limit, since)
|
||||
|
||||
|
||||
async def get_message_status(temp_uuid: str) -> dict | None:
|
||||
"""获取消息状态 - 便捷接口"""
|
||||
return await message_queue_processor.get_message_status(temp_uuid)
|
||||
@@ -1,148 +0,0 @@
|
||||
"""
|
||||
优化的消息服务
|
||||
结合 Redis 缓存和异步数据库写入实现实时消息传送
|
||||
"""
|
||||
|
||||
from __future__ import annotations
|
||||
|
||||
from app.database.chat import (
|
||||
ChannelType,
|
||||
ChatMessageResp,
|
||||
MessageType,
|
||||
)
|
||||
from app.database.user import User
|
||||
from app.log import logger
|
||||
from app.service.message_queue import message_queue
|
||||
|
||||
from sqlalchemy.ext.asyncio import AsyncSession
|
||||
|
||||
|
||||
class OptimizedMessageService:
|
||||
"""优化的消息服务"""
|
||||
|
||||
def __init__(self):
|
||||
self.message_queue = message_queue
|
||||
|
||||
async def send_message_fast(
|
||||
self,
|
||||
channel_id: int,
|
||||
channel_type: ChannelType,
|
||||
channel_name: str,
|
||||
content: str,
|
||||
sender: User,
|
||||
is_action: bool = False,
|
||||
user_uuid: str | None = None,
|
||||
session: AsyncSession | None = None,
|
||||
) -> ChatMessageResp:
|
||||
"""
|
||||
快速发送消息（先缓存到 Redis，异步写入数据库）
|
||||
|
||||
Args:
|
||||
channel_id: 频道 ID
|
||||
channel_type: 频道类型
|
||||
channel_name: 频道名称
|
||||
content: 消息内容
|
||||
sender: 发送者
|
||||
is_action: 是否为动作消息
|
||||
user_uuid: 用户提供的 UUID
|
||||
session: 数据库会话（可选，用于一些验证）
|
||||
|
||||
Returns:
|
||||
消息响应对象
|
||||
"""
|
||||
|
||||
# 准备消息数据
|
||||
message_data = {
|
||||
"channel_id": str(channel_id),
|
||||
"content": content,
|
||||
"sender_id": str(sender.id),
|
||||
"type": MessageType.ACTION.value if is_action else MessageType.PLAIN.value,
|
||||
"user_uuid": user_uuid or "",
|
||||
"channel_type": channel_type.value,
|
||||
"channel_name": channel_name,
|
||||
}
|
||||
|
||||
# 立即将消息加入 Redis 队列（实时响应）
|
||||
temp_uuid = await self.message_queue.enqueue_message(message_data)
|
||||
|
||||
# 缓存到频道消息列表
|
||||
await self.message_queue.cache_channel_message(channel_id, temp_uuid)
|
||||
|
||||
# 创建临时响应对象（简化版本，用于立即响应）
|
||||
from datetime import datetime
|
||||
|
||||
from app.database.user import UserResp
|
||||
|
||||
# 创建基本的用户响应对象
|
||||
user_resp = UserResp(
|
||||
id=sender.id,
|
||||
username=sender.username,
|
||||
country_code=getattr(sender, "country_code", "XX"),
|
||||
# 基本字段，其他复杂字段可以后续异步加载
|
||||
)
|
||||
|
||||
temp_response = ChatMessageResp(
|
||||
message_id=0, # 临时 ID，等数据库写入后会更新
|
||||
channel_id=channel_id,
|
||||
content=content,
|
||||
timestamp=datetime.now(),
|
||||
sender_id=sender.id,
|
||||
sender=user_resp,
|
||||
is_action=is_action,
|
||||
uuid=user_uuid,
|
||||
)
|
||||
temp_response.temp_uuid = temp_uuid # 添加临时 UUID 用于后续更新
|
||||
|
||||
logger.info(f"Message sent to channel {channel_id} with temp_uuid {temp_uuid}")
|
||||
return temp_response
|
||||
|
||||
async def get_cached_messages(self, channel_id: int, limit: int = 50, since: int = 0) -> list[dict]:
|
||||
"""
|
||||
获取缓存的消息
|
||||
|
||||
Args:
|
||||
channel_id: 频道 ID
|
||||
limit: 限制数量
|
||||
since: 获取自此消息 ID 之后的消息
|
||||
|
||||
Returns:
|
||||
消息列表
|
||||
"""
|
||||
return await self.message_queue.get_cached_messages(channel_id, limit, since)
|
||||
|
||||
async def get_message_status(self, temp_uuid: str) -> dict | None:
|
||||
"""
|
||||
获取消息状态
|
||||
|
||||
Args:
|
||||
temp_uuid: 临时消息 UUID
|
||||
|
||||
Returns:
|
||||
消息状态信息
|
||||
"""
|
||||
return await self.message_queue.get_message_status(temp_uuid)
|
||||
|
||||
async def wait_for_message_persisted(self, temp_uuid: str, timeout: int = 30) -> dict | None: # noqa: ASYNC109
|
||||
"""
|
||||
等待消息持久化到数据库
|
||||
|
||||
Args:
|
||||
temp_uuid: 临时消息 UUID
|
||||
timeout: 超时时间（秒）
|
||||
|
||||
Returns:
|
||||
完成后的消息状态
|
||||
"""
|
||||
import asyncio
|
||||
|
||||
for _ in range(timeout * 10): # 每100ms检查一次
|
||||
status = await self.get_message_status(temp_uuid)
|
||||
if status and status.get("status") in ["completed", "failed"]:
|
||||
return status
|
||||
await asyncio.sleep(0.1)
|
||||
|
||||
return None
|
||||
|
||||
|
||||
# 全局优化消息服务实例
|
||||
optimized_message_service = OptimizedMessageService()
|
||||
Reference in New Issue
Block a user