introduce graphql

app/main.py

@@ -1,10 +1,31 @@
 from fastapi import FastAPI
-from app.auth import router as auth_router
-from app.models import Base
-from app.db import engine
+from strawberry import Schema
+from strawberry.fastapi import GraphQLRouter
 
+from app.auth import router as auth_router
+from app.db import engine
+from app.models import Base
+
+# 导入 GraphQL 组件
+from app.graphql.queries import Query
+from app.graphql.mutations import Mutation
+from app.graphql.context import get_context
+
+# 自动建表
 Base.metadata.create_all(bind=engine)
 
+# 创建 FastAPI 实例
 app = FastAPI()
 
-app.include_router(auth_router)
+# 组装 GraphQL Schema
+schema = Schema(query=Query, mutation=Mutation)
+
+# 创建 GraphQL 路由并注入上下文
+graphql_router = GraphQLRouter(schema, context_getter=get_context)
+
+# 挂载路由
+# 保留现有的 auth 路由供 Google OAuth 回调使用
+app.include_router(auth_router) 
+
+# 挂载 GraphQL 终点，前端以后只需要请求 /graphql
+app.include_router(graphql_router, prefix="/graphql")