获取和注册一体化修正

pytests/image_sys_test/emoji_manager_test.py

@@ -58,6 +58,7 @@ def _install_stub_modules(monkeypatch):
         query_count: int = 0
         register_time: object | None = None
         image_format: str | None = None
+        image_bytes: bytes | None = None
 
         @staticmethod
         def from_db_instance(_record):
@@ -128,10 +129,17 @@ def _install_stub_modules(monkeypatch):
         def flush(self):
             pass
 
+        def commit(self):
+            pass
+
     def get_db_session():
         return _DummySession()
 
+    def get_db_session_manual():
+        return _DummySession()
+
     db_mod.get_db_session = get_db_session
+    db_mod.get_db_session_manual = get_db_session_manual
 
     # src.common.utils.utils_image
     image_utils_mod = _stub_module("src.common.utils.utils_image")
@@ -236,6 +244,15 @@ def import_emoji_manager_new(monkeypatch):
     module = importlib.util.module_from_spec(spec)
     monkeypatch.setitem(sys.modules, "emoji_manager_new", module)
     spec.loader.exec_module(module)
+
+    class _Select:
+        def filter_by(self, **kwargs):
+            return self
+
+        def limit(self, n):
+            return self
+
+    module.select = lambda _model: _Select()
     return module
 
 
@@ -763,6 +780,12 @@ def test_register_emoji_to_db_db_error(monkeypatch):
         def flush(self):
             pass
 
+        def exec(self, _statement):
+            return self
+
+        def first(self):
+            return None
+
     def _get_db_session():
         return _Session()
 
@@ -821,6 +844,12 @@ def test_register_emoji_to_db_success(monkeypatch, tmp_path):
         def flush(self):
             pass
 
+        def exec(self, _statement):
+            return self
+
+        def first(self):
+            return None
+
     def _get_db_session():
         return _Session()
 
@@ -858,6 +887,7 @@ def test_delete_emoji_file_missing_and_db_record_missing(monkeypatch):
     class _Select:
         def filter_by(self, **_kwargs):
             return self
+
         def limit(self, _num):
             return self
 
@@ -948,7 +978,7 @@ def test_delete_emoji_db_error_file_still_exists(monkeypatch):
     class _Select:
         def filter_by(self, **_kwargs):
             return self
-        
+
         def limit(self, _num):
             return self
 
@@ -1006,6 +1036,7 @@ def test_delete_emoji_success(monkeypatch):
     class _Select:
         def filter_by(self, **_kwargs):
             return self
+
         def limit(self, _num):
             return self
 
@@ -1056,6 +1087,7 @@ def test_delete_emoji_success(monkeypatch):
     assert any("成功删除表情包文件" in m for m in _messages(logger.info_calls))
     assert any("成功修改数据库中的表情包记录" in m for m in _messages(logger.info_calls))
 
+
 def test_delete_emoji_no_desc_deletes_record(monkeypatch):
     emoji_manager_new = import_emoji_manager_new(monkeypatch)
     logger = emoji_manager_new.logger
@@ -1133,6 +1165,7 @@ def test_update_emoji_usage_success(monkeypatch):
     class _Select:
         def filter_by(self, **_kwargs):
             return self
+
         def limit(self, _num):
             return self
 
@@ -1143,6 +1176,7 @@ def test_update_emoji_usage_success(monkeypatch):
         def __init__(self):
             self.query_count = 2
             self.last_used_time = None
+
     record = _Record()
 
     class _Result:
@@ -1237,6 +1271,7 @@ def test_update_emoji_usage_execute_error(monkeypatch):
     class _Select:
         def filter_by(self, **_kwargs):
             return self
+
         def limit(self, _num):
             return self
 
@@ -2254,6 +2289,38 @@ async def test_register_emoji_by_filename_hash_format_failed(monkeypatch, tmp_pa
         async def calculate_hash_format(self):
             return False
 
+    class _Session:
+        def __enter__(self):
+            return self
+
+        def __exit__(self, exc_type, exc, tb):
+            return False
+
+        def exec(self, _statement):
+            return self
+
+        def first(self):
+            return None
+
+    class _Select:
+        def __init__(self) -> None:
+            pass
+
+        def filter_by(self, **_kwargs):
+            return self
+
+        def limit(self, _num):
+            return self
+
+    def _get_db_session_manual():
+        return _Session()
+
+    def _get_db_session():
+        return _Session()
+
+    monkeypatch.setattr(emoji_manager_new, "get_db_session_manual", _get_db_session_manual)
+    monkeypatch.setattr(emoji_manager_new, "get_db_session", _get_db_session)
+    monkeypatch.setattr(emoji_manager_new, "select", lambda _model: _Select())
     monkeypatch.setattr(emoji_manager_new, "MaiEmoji", _Emoji)
 
     result = await manager.register_emoji_by_filename(file_path)

src/chat/emoji_system/emoji_manager.py

@@ -5,6 +5,7 @@ from sqlmodel import select
 from typing import Optional, Tuple, List
 
 import asyncio
+import hashlib
 import heapq
 import Levenshtein
 import random
@@ -13,7 +14,7 @@ import re
 from src.common.logger import get_logger
 from src.common.data_models.image_data_model import MaiEmoji
 from src.common.database.database_model import Images, ImageType
-from src.common.database.database import get_db_session
+from src.common.database.database import get_db_session, get_db_session_manual
 from src.common.utils.utils_image import ImageUtils
 from src.prompt.prompt_manager import prompt_manager
 from src.config.config import global_config
@@ -43,6 +44,10 @@ emoji_manager_emotion_judge_llm = LLMRequest(model_set=model_config.model_task_c
 
 
 class EmojiManager:
+    """
+    表情包管理器
+    """
+
     def __init__(self):
         _ensure_directories()
 
@@ -51,6 +56,57 @@ class EmojiManager:
 
         logger.info("启动表情包管理器")
 
+    async def get_emoji_description_by_bytes(self, emoji_bytes: bytes) -> Optional[Tuple[str, List[str]]]:
+        """
+        根据表情包哈希获取表情包描述的封装方法
+
+        Returns:
+            return (Optional[Tuple[str, List[str]]]): 如果找到对应的表情包，则返回包含描述和情感标签的元组；若没找到，则尝试构建表情包描述并返回，如果构建失败则返回 None
+        """
+        # 先查找
+        emoji_hash = hashlib.sha256(emoji_bytes).hexdigest()
+        if emoji := self.get_emoji_by_hash(emoji_hash):
+            return emoji.description, emoji.emotion or []
+        try:
+            with get_db_session() as session:
+                statement = select(Images).filter_by(image_hash=emoji_hash, image_type=ImageType.EMOJI).limit(1)
+                if result := session.exec(statement).first():
+                    return result.description, result.emotion.split(",") if result.emotion else []
+        except Exception as e:
+            logger.warning(f"从数据库查找表情包时出错: {e}，将尝试构建表情包描述")
+
+        # 找不到尝试构建
+        logger.info(f"未找到哈希值为 {emoji_hash} 的表情包与其描述，尝试构建描述")
+        full_path = EMOJI_DIR / f"{emoji_hash}.png"
+        try:
+            full_path.write_bytes(emoji_bytes)
+            new_emoji = MaiEmoji(full_path=full_path, image_bytes=emoji_bytes)
+            await new_emoji.calculate_hash_format()
+        except Exception as e:
+            logger.error(f"缓存表情包文件时出错: {e}")
+            raise e
+        success_desc, new_emoji = await self.build_emoji_description(new_emoji)
+        if not success_desc:
+            logger.error("构建表情包描述失败")
+            return None
+        success_emotion, new_emoji = await self.build_emoji_emotion(new_emoji)
+        if not success_emotion:
+            logger.error("构建表情包情感标签失败")
+            return None
+
+        # 缓存结果到数据库
+        with get_db_session() as session:
+            try:
+                image_record = new_emoji.to_db_instance()
+                image_record.is_registered = False
+                image_record.is_banned = False
+                image_record.register_time = datetime.now()
+                image_record.no_file_flag = True
+                session.add(image_record)
+            except Exception as e:
+                logger.error(f"缓存表情包描述时出错: {e}")
+        return new_emoji.description, new_emoji.emotion or []
+
     def load_emojis_from_db(self) -> None:
         """
         从数据库加载已注册的表情包
@@ -114,14 +170,33 @@ class EmojiManager:
         # 注册到数据库
         try:
             with get_db_session() as session:
-                image_record = emoji.to_db_instance()
-                image_record.is_registered = True
-                image_record.is_banned = False
-                image_record.register_time = datetime.now()
-                session.add(image_record)
-                session.flush()
-                record_id = image_record.id
-                logger.info(f"[注册表情包] 成功注册表情包到数据库, ID: {record_id}, 路径: {emoji.full_path}")
+                statement = select(Images).filter_by(image_hash=emoji.file_hash, image_type=ImageType.EMOJI).limit(1)
+                if existing_record := session.exec(statement).first():
+                    if existing_record.no_file_flag:
+                        existing_record.no_file_flag = False
+                        existing_record.is_banned = False
+                        existing_record.full_path = str(emoji.full_path)
+                        existing_record.description = emoji.description
+                        existing_record.emotion = ",".join(emoji.emotion) if emoji.emotion else None
+                        existing_record.query_count = emoji.query_count
+                        existing_record.last_used_time = emoji.last_used_time
+                        existing_record.register_time = emoji.register_time
+                        session.add(existing_record)
+                        logger.info(
+                            f"[注册表情包] 更新已有记录并注册表情包到数据库, ID: {existing_record.id}, 路径: {emoji.full_path}"
+                        )
+                    else:
+                        logger.warning(f"[注册表情包] 数据库中已存在表情包记录: {emoji.file_hash}")
+                        return False
+                else:
+                    image_record = emoji.to_db_instance()
+                    image_record.is_registered = True
+                    image_record.is_banned = False
+                    image_record.register_time = datetime.now()
+                    session.add(image_record)
+                    session.flush()
+                    record_id = image_record.id
+                    logger.info(f"[注册表情包] 成功注册表情包到数据库, ID: {record_id}, 路径: {emoji.full_path}")
         except Exception as e:
             logger.error(f"[注册表情包] 注册到数据库时出错: {e}")
             return False
@@ -401,7 +476,9 @@ class EmojiManager:
 
         # 调用VLM生成描述
         image_format = target_emoji.image_format
-        image_bytes = await asyncio.to_thread(target_emoji.read_image_bytes, target_emoji.full_path)
+        image_bytes = target_emoji.image_bytes or await asyncio.to_thread(
+            target_emoji.read_image_bytes, target_emoji.full_path
+        )
 
         if image_format == "gif":
             try:
@@ -567,6 +644,29 @@ class EmojiManager:
             logger.error(f"[注册表情包] 创建表情包对象时出错: {e}")
             return False
 
+        # 0. 先验证数据库中是否已经存在相同哈希的表情包，避免重复构建
+        try:
+            with get_db_session_manual() as session:
+                statement = (
+                    select(Images).filter_by(image_hash=target_emoji.file_hash, image_type=ImageType.EMOJI).limit(1)
+                )
+                if image_record := session.exec(statement).first():
+                    if image_record.no_file_flag:
+                        image_record.no_file_flag = False
+                        image_record.is_banned = False
+                        image_record.is_registered = True
+                        image_record.full_path = str(target_emoji.full_path)
+                        session.add(image_record)
+                        session.commit()
+                        logger.info(f"表情包注册成功，Hash: {target_emoji.file_hash}")
+                        return True
+                    else:
+                        logger.warning(f"[注册表情包] 数据库中已存在表情包记录，跳过注册: {target_emoji.file_name}")
+                        return False
+        except Exception as e:
+            logger.error(f"[注册表情包] 查询数据库时出错: {e}")
+            return False
+
         # 1. 计算哈希值和格式
         calc_success = await target_emoji.calculate_hash_format()
         if not calc_success:

src/common/data_models/image_data_model.py

@@ -83,7 +83,7 @@ class BaseImageDataModel(BaseDatabaseDataModel[Images]):
 
     async def calculate_hash_format(self) -> bool:
         """
-        异步计算表情包的哈希值和格式
+        异步计算表情包的哈希值和格式，初始化后应该执行此方法来确保对象的哈希值和格式正确
 
         Returns:
             return (bool): 如果成功计算哈希值和格式则返回True，否则返回False