fix: frontend upload option method error

Author: liueic

backend/README.md

@@ -65,7 +65,12 @@ async def upload_file(file: UploadFile = File(...)):
     """
     try:
         # 检查文件大小
-        if file.size and file.size > settings.MAX_FILE_SIZE:
+        # 注意：FastAPI的UploadFile没有直接的size属性，需要读取文件内容来确定大小
+        file_content = await file.read()
+        file_size = len(file_content)
+        await file.seek(0)  # 重置文件指针位置
+        
+        if file_size > settings.MAX_FILE_SIZE:
             raise HTTPException(
                 status_code=413,
                 detail=f"文件大小超过限制 ({settings.MAX_FILE_SIZE / 1024 / 1024:.1f}MB)"

backend/app/api/v1/api.py

@@ -22,15 +22,14 @@ class Settings(BaseSettings):
     HOST: str = Field(default="0.0.0.0")
     PORT: int = Field(default=8000)
     ALLOWED_HOSTS: Union[str, List[str]] = Field(
-        default="localhost,127.0.0.1,0.0.0.0"
+        default="localhost,127.0.0.1,0.0.0.0,http://localhost:3000"
     )
 
     # 数据库配置
     DATABASE_URL: str = Field(...)
     DATABASE_ECHO: bool = Field(default=False)
 
-    # Redis配置
-    REDIS_URL: str = Field(default="redis://localhost:6379/0")
+    # Redis配置 - 已移除，使用SQLite作为轻量级解决方案
 
     # JWT配置
     JWT_SECRET_KEY: str = Field(default="")
@@ -69,9 +68,8 @@ class Settings(BaseSettings):
         default=".md,.txt,.docx,.pdf,.pptx"
     )
 
-    # Celery配置
-    CELERY_BROKER_URL: str = Field(default="")
-    CELERY_RESULT_BACKEND: str = Field(default="")
+    # 任务队列配置 - 简化版，不使用Celery
+    ENABLE_BACKGROUND_TASKS: bool = Field(default=False)
 
     # 邮件配置
     SMTP_HOST: Optional[str] = Field(default=None)
@@ -108,21 +106,7 @@ def set_jwt_secret_key(cls, v, info):
             return info.data.get("SECRET_KEY", "")
         return v
 
-    @field_validator("CELERY_BROKER_URL", mode="before")
-    @classmethod
-    def set_celery_broker_url(cls, v, info):
-        """设置Celery代理URL，如果未提供则使用REDIS_URL"""
-        if not v and info.data:
-            return info.data.get("REDIS_URL", "redis://localhost:6379/0")
-        return v
-    
-    @field_validator("CELERY_RESULT_BACKEND", mode="before")
-    @classmethod
-    def set_celery_result_backend(cls, v, info):
-        """设置Celery结果后端，如果未提供则使用REDIS_URL"""
-        if not v and info.data:
-            return info.data.get("REDIS_URL", "redis://localhost:6379/0")
-        return v
+    # 移除了Celery相关的验证器，因为我们不再使用Celery
 
     class Config:
         env_file = ".env"

backend/app/core/config.py

@@ -60,10 +60,12 @@ async def lifespan(app: FastAPI):
 # 添加CORS中间件
 app.add_middleware(
     CORSMiddleware,
-    allow_origins=settings.ALLOWED_HOSTS,
+    allow_origins=["*"],  # 在开发环境中允许所有来源，生产环境中应该限制
     allow_credentials=True,
-    allow_methods=["*"],
+    allow_methods=["GET", "POST", "PUT", "DELETE", "OPTIONS"],
     allow_headers=["*"],
+    expose_headers=["Content-Length", "Content-Type", "X-Process-Time"],
+    max_age=600,  # 预检请求缓存10分钟
 )
 
 # 添加可信主机中间件

backend/main.py

@@ -0,0 +1,7 @@
+[project]
+name = "backend"
+version = "0.1.0"
+description = "Add your description here"
+readme = "README.md"
+requires-python = ">=3.12"
+dependencies = []

backend/pyproject.toml

@@ -5,7 +5,6 @@ uvicorn[standard]==0.24.0
 # 数据库相关
 sqlalchemy==2.0.23
 alembic==1.12.1
-asyncpg==0.29.0  # PostgreSQL 异步驱动
 aiosqlite==0.19.0  # SQLite 异步驱动
 
 # 认证和安全
@@ -34,7 +33,7 @@ pytest-cov==4.1.0
 # AI 和机器学习
 openai==1.3.7
 scikit-learn==1.3.2
-numpy==1.24.4
+numpy>=1.26.0  # 更新到兼容 Python 3.12 的版本
 
 # 其他工具
 click==8.1.7