fix: 修复相同图片不同类型的重复hash问题，修复@全体

src/plugins/chat/utils_image.py

@@ -44,8 +44,11 @@ class ImageManager:
         """确保images集合存在并创建索引"""
         if "images" not in db.list_collection_names():
             db.create_collection("images")
-            # 创建索引
+
-            db.images.create_index([("hash", 1)], unique=True)
+        # 删除旧索引
+        db.images.drop_indexes()
+        # 创建新的复合索引
+        db.images.create_index([("hash", 1), ("type", 1)], unique=True)
         db.images.create_index([("url", 1)])
         db.images.create_index([("path", 1)])
 
@@ -53,9 +56,11 @@ class ImageManager:
         """确保image_descriptions集合存在并创建索引"""
         if "image_descriptions" not in db.list_collection_names():
             db.create_collection("image_descriptions")
-            # 创建索引
+
-            db.image_descriptions.create_index([("hash", 1)], unique=True)
+        # 删除旧索引
-            db.image_descriptions.create_index([("type", 1)])
+        db.image_descriptions.drop_indexes()
+        # 创建新的复合索引
+        db.image_descriptions.create_index([("hash", 1), ("type", 1)], unique=True)
 
     def _get_description_from_db(self, image_hash: str, description_type: str) -> Optional[str]:
         """从数据库获取图片描述
@@ -78,36 +83,21 @@ class ImageManager:
             description: 描述文本
             description_type: 描述类型 ('emoji' 或 'image')
         """
+        try:
             db.image_descriptions.update_one(
                 {"hash": image_hash, "type": description_type},
-            {"$set": {"description": description, "timestamp": int(time.time())}},
+                {
+                    "$set": {
+                        "description": description,
+                        "timestamp": int(time.time()),
+                        "hash": image_hash,  # 确保hash字段存在
+                        "type": description_type,  # 确保type字段存在
+                    }
+                },
                 upsert=True,
             )
-
-    async def get_image_by_url(self, url: str) -> Optional[str]:
-        """根据URL获取图像路径(带查重)
-        Args:
-            url: 图像URL
-        Returns:
-            str: 本地文件路径,不存在返回None
-        """
-        try:
-            # 先查找是否已存在
-            existing = db.images.find_one({"url": url})
-            if existing:
-                return existing["path"]
-
-            # 下载图像
-            async with aiohttp.ClientSession() as session:
-                async with session.get(url) as resp:
-                    if resp.status == 200:
-                        image_bytes = await resp.read()
-                        return await self.save_image(image_bytes, url=url)
-            return None
-
         except Exception as e:
-            logger.error(f"获取图像失败: {str(e)}")
+            logger.error(f"保存描述到数据库失败: {str(e)}")
-            return None
 
     async def get_emoji_description(self, image_base64: str) -> str:
         """获取表情包描述，带查重和保存功能"""
@@ -129,7 +119,7 @@ class ImageManager:
 
             cached_description = self._get_description_from_db(image_hash, "emoji")
             if cached_description:
-                logger.warning(f"虽然生成了描述，但找到缓存表情包描述: {cached_description}")
+                logger.warning(f"虽然生成了描述，但是找到缓存表情包描述: {cached_description}")
                 return f"[表情包：{cached_description}]"
 
             # 根据配置决定是否保存图片
@@ -170,7 +160,6 @@ class ImageManager:
     async def get_image_description(self, image_base64: str) -> str:
         """获取普通图片描述，带查重和保存功能"""
         try:
-            print("处理图片中")
             # 计算图片哈希
             image_bytes = base64.b64decode(image_base64)
             image_hash = hashlib.md5(image_bytes).hexdigest()
@@ -179,7 +168,7 @@ class ImageManager:
             # 查询缓存的描述
             cached_description = self._get_description_from_db(image_hash, "image")
             if cached_description:
-                print("图片描述缓存中")
+                logger.info(f"图片描述缓存中 {cached_description}")
                 return f"[图片：{cached_description}]"
 
             # 调用AI获取描述
@@ -187,12 +176,13 @@ class ImageManager:
                 "请用中文描述这张图片的内容。如果有文字，请把文字都描述出来。并尝试猜测这个图片的含义。最多200个字。"
             )
             description, _ = await self._llm.generate_response_for_image(prompt, image_base64, image_format)
-            cached_description = self._get_description_from_db(image_hash, "emoji")
+
+            cached_description = self._get_description_from_db(image_hash, "image")
             if cached_description:
-                logger.info(f"缓存图片描述: {cached_description}")
+                logger.warning(f"虽然生成了描述，但是找到缓存图片描述 {cached_description}")
                 return f"[图片：{cached_description}]"
 
-            print(f"描述是{description}")
+            logger.info(f"描述是{description}")
 
             if description is None:
                 logger.warning("AI未能生成图片描述")

src/plugins/chat/utils_user.py

@@ -3,16 +3,20 @@ from .relationship_manager import relationship_manager
 
 
 def get_user_nickname(user_id: int) -> str:
+    if user_id == "all":
+        return "全体成员"
     if int(user_id) == int(global_config.BOT_QQ):
         return global_config.BOT_NICKNAME
     #     print(user_id)
     return relationship_manager.get_name(user_id)
 
+
 def get_user_cardname(user_id: int) -> str:
     if int(user_id) == int(global_config.BOT_QQ):
         return global_config.BOT_NICKNAME
     #     print(user_id)
-    return ''
+    return ""
+
 
 def get_groupname(group_id: int) -> str:
     return f"群{group_id}"