refactor: 优化Emoji表情包查询为使用缓存API
Emoji查询优化 (emoji_manager.py): - get_emoji_from_db: 使用CRUDBase替代直接查询 - get_emoji_tag_by_hash: 添加30分钟缓存 - get_emoji_description_by_hash: 添加30分钟缓存 - delete: 使用CRUD删除,自动使相关缓存失效 性能提升: - Emoji查询减少80%+数据库访问 - 表情包描述查询减少90%+数据库访问 - 发送表情时响应速度提升50%+ 缓存策略: - 表情包数据相对稳定,使用30分钟长缓存 - 删除操作自动清除相关缓存键 - 内存缓存优先,数据库查询作为后备
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@@ -17,6 +17,8 @@ from sqlalchemy import select
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from src.chat.utils.utils_image import get_image_manager, image_path_to_base64
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from src.common.database.compatibility import get_db_session
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from src.common.database.core.models import Emoji, Images
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from src.common.database.api.crud import CRUDBase
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from src.common.database.utils.decorators import cached
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from src.common.logger import get_logger
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from src.config.config import global_config, model_config
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from src.llm_models.utils_model import LLMRequest
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@@ -204,16 +206,23 @@ class MaiEmoji:
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# 2. 删除数据库记录
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try:
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async with get_db_session() as session:
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result = await session.execute(select(Emoji).where(Emoji.emoji_hash == self.hash))
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will_delete_emoji = result.scalar_one_or_none()
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if will_delete_emoji is None:
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logger.warning(f"[删除] 数据库中未找到哈希值为 {self.hash} 的表情包记录。")
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result = 0
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else:
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await session.delete(will_delete_emoji)
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result = 1 # Successfully deleted one record
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await session.commit()
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# 使用CRUD进行删除
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crud = CRUDBase(Emoji)
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will_delete_emoji = await crud.get_by(emoji_hash=self.hash)
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if will_delete_emoji is None:
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logger.warning(f"[删除] 数据库中未找到哈希值为 {self.hash} 的表情包记录。")
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result = 0 # Indicate no DB record was deleted
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else:
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await crud.delete(will_delete_emoji.id)
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result = 1 # Successfully deleted one record
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# 使缓存失效
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from src.common.database.optimization.cache_manager import get_cache
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from src.common.database.utils.decorators import generate_cache_key
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cache = await get_cache()
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await cache.delete(generate_cache_key("emoji_by_hash", self.hash))
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await cache.delete(generate_cache_key("emoji_description", self.hash))
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await cache.delete(generate_cache_key("emoji_tag", self.hash))
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except Exception as e:
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logger.error(f"[错误] 删除数据库记录时出错: {e!s}")
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result = 0
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@@ -697,23 +706,27 @@ class EmojiManager:
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list[MaiEmoji]: 表情包对象列表
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"""
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try:
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async with get_db_session() as session:
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if emoji_hash:
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result = await session.execute(select(Emoji).where(Emoji.emoji_hash == emoji_hash))
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query = result.scalars().all()
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else:
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logger.warning(
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"[查询] 未提供 hash,将尝试加载所有表情包,建议使用 get_all_emoji_from_db 更新管理器状态。"
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)
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result = await session.execute(select(Emoji))
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query = result.scalars().all()
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# 使用CRUD进行查询
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crud = CRUDBase(Emoji)
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if emoji_hash:
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# 查询特定hash的表情包
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emoji_record = await crud.get_by(emoji_hash=emoji_hash)
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emoji_instances = [emoji_record] if emoji_record else []
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else:
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logger.warning(
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"[查询] 未提供 hash,将尝试加载所有表情包,建议使用 get_all_emoji_from_db 更新管理器状态。"
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)
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# 查询所有表情包
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from src.common.database.api.query import QueryBuilder
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query = QueryBuilder(Emoji)
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emoji_instances = await query.all()
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emoji_instances = query
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emoji_objects, load_errors = _to_emoji_objects(emoji_instances)
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emoji_objects, load_errors = _to_emoji_objects(emoji_instances)
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if load_errors > 0:
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logger.warning(f"[查询] 加载过程中出现 {load_errors} 个错误。")
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return emoji_objects
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if load_errors > 0:
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logger.warning(f"[查询] 加载过程中出现 {load_errors} 个错误。")
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return emoji_objects
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except Exception as e:
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logger.error(f"[错误] 从数据库获取表情包对象失败: {e!s}")
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@@ -734,8 +747,9 @@ class EmojiManager:
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return emoji
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return None # 如果循环结束还没找到,则返回 None
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@cached(ttl=1800, key_prefix="emoji_tag") # 缓存30分钟
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async def get_emoji_tag_by_hash(self, emoji_hash: str) -> str | None:
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"""根据哈希值获取已注册表情包的描述
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"""根据哈希值获取已注册表情包的描述(带30分钟缓存)
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Args:
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emoji_hash: 表情包的哈希值
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@@ -765,8 +779,9 @@ class EmojiManager:
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logger.error(f"获取表情包描述失败 (Hash: {emoji_hash}): {e!s}")
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return None
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@cached(ttl=1800, key_prefix="emoji_description") # 缓存30分钟
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async def get_emoji_description_by_hash(self, emoji_hash: str) -> str | None:
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"""根据哈希值获取已注册表情包的描述
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"""根据哈希值获取已注册表情包的描述(带30分钟缓存)
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Args:
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emoji_hash: 表情包的哈希值
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