Initial commit: stock market platform

backend/app/api/v1/auth.py

@@ -0,0 +1,78 @@
+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from app.core.database import get_db
+from app.core.security import (
+    hash_password, verify_password,
+    create_access_token, create_refresh_token, decode_token,
+)
+from app.models.user import User
+from app.schemas.auth import (
+    RegisterRequest, LoginRequest, TokenResponse,
+    RefreshRequest, UserOut,
+)
+
+router = APIRouter(prefix="/auth", tags=["auth"])
+
+
+@router.post("/register", response_model=UserOut, status_code=status.HTTP_201_CREATED)
+async def register(payload: RegisterRequest, db: AsyncSession = Depends(get_db)):
+    result = await db.execute(
+        select(User).where(
+            (User.username == payload.username) | (User.email == payload.email)
+        )
+    )
+    if result.scalar_one_or_none():
+        raise HTTPException(status_code=400, detail="用户名或邮箱已被使用")
+
+    user = User(
+        username=payload.username,
+        email=payload.email,
+        hashed_password=hash_password(payload.password),
+    )
+    db.add(user)
+    await db.flush()
+    await db.refresh(user)
+    return user
+
+
+@router.post("/login", response_model=TokenResponse)
+async def login(payload: LoginRequest, db: AsyncSession = Depends(get_db)):
+    result = await db.execute(select(User).where(User.username == payload.username))
+    user = result.scalar_one_or_none()
+
+    if not user or not verify_password(payload.password, user.hashed_password):
+        raise HTTPException(status_code=401, detail="用户名或密码错误")
+
+    if not user.is_active:
+        raise HTTPException(status_code=403, detail="账号已被禁用")
+
+    return TokenResponse(
+        access_token=create_access_token(user.id),
+        refresh_token=create_refresh_token(user.id),
+    )
+
+
+@router.post("/refresh", response_model=TokenResponse)
+async def refresh(payload: RefreshRequest, db: AsyncSession = Depends(get_db)):
+    token_data = decode_token(payload.refresh_token)
+
+    if token_data is None or token_data.get("type") != "refresh":
+        raise HTTPException(status_code=401, detail="Refresh token 无效或已过期")
+
+    user_id = int(token_data["sub"])
+    result = await db.execute(select(User).where(User.id == user_id))
+    user = result.scalar_one_or_none()
+
+    if not user or not user.is_active:
+        raise HTTPException(status_code=401, detail="用户不存在")
+
+    return TokenResponse(
+        access_token=create_access_token(user.id),
+        refresh_token=create_refresh_token(user.id),
+    )
+
+
+@router.get("/me", response_model=UserOut)
+async def get_me(current_user: User = Depends(__import__("app.api.deps", fromlist=["get_current_user"]).get_current_user)):
+    return current_user