Initial commit: stock market platform

backend/app/api/__init__.py

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+

backend/app/api/deps.py

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+from fastapi import Depends, HTTPException, status
+from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from app.core.database import get_db
+from app.core.security import decode_token
+from app.models.user import User
+
+bearer = HTTPBearer(auto_error=True)
+
+
+async def get_current_user(
+    credentials: HTTPAuthorizationCredentials = Depends(bearer),
+    db: AsyncSession = Depends(get_db),
+) -> User:
+    token = credentials.credentials
+    payload = decode_token(token)
+
+    if payload is None or payload.get("type") != "access":
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Token 无效或已过期",
+        )
+
+    user_id = int(payload["sub"])
+    result = await db.execute(select(User).where(User.id == user_id))
+    user = result.scalar_one_or_none()
+
+    if user is None or not user.is_active:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="用户不存在或已被禁用",
+        )
+
+    return user

backend/app/api/v1/__init__.py

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+from fastapi import APIRouter
+from app.api.v1 import auth, stocks, watchlist, alerts
+
+api_router = APIRouter()
+api_router.include_router(auth.router)
+api_router.include_router(stocks.router)
+api_router.include_router(watchlist.router)
+api_router.include_router(alerts.router)

backend/app/api/v1/alerts.py

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+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select, delete
+from app.core.database import get_db
+from app.api.deps import get_current_user
+from app.models.user import User
+from app.models.alert import Alert
+from app.schemas.stock import AlertCreate, AlertOut
+
+router = APIRouter(prefix="/alerts", tags=["alerts"])
+
+
+@router.get("", response_model=list[AlertOut])
+async def get_alerts(
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    result = await db.execute(
+        select(Alert)
+        .where(Alert.user_id == current_user.id)
+        .order_by(Alert.id.desc())
+    )
+    return result.scalars().all()
+
+
+@router.post("", response_model=AlertOut, status_code=status.HTTP_201_CREATED)
+async def create_alert(
+    payload: AlertCreate,
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    alert = Alert(
+        user_id=current_user.id,
+        symbol=payload.symbol,
+        name=payload.name,
+        alert_type=payload.alert_type,
+        threshold=payload.threshold,
+    )
+    db.add(alert)
+    await db.flush()
+    await db.refresh(alert)
+    return alert
+
+
+@router.delete("/{alert_id}", status_code=status.HTTP_204_NO_CONTENT)
+async def delete_alert(
+    alert_id: int,
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    result = await db.execute(
+        select(Alert).where(Alert.id == alert_id, Alert.user_id == current_user.id)
+    )
+    alert = result.scalar_one_or_none()
+    if not alert:
+        raise HTTPException(status_code=404, detail="预警不存在")
+
+    await db.delete(alert)
+
+
+@router.patch("/{alert_id}/toggle", response_model=AlertOut)
+async def toggle_alert(
+    alert_id: int,
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    result = await db.execute(
+        select(Alert).where(Alert.id == alert_id, Alert.user_id == current_user.id)
+    )
+    alert = result.scalar_one_or_none()
+    if not alert:
+        raise HTTPException(status_code=404, detail="预警不存在")
+
+    alert.is_active = not alert.is_active
+    await db.flush()
+    await db.refresh(alert)
+    return alert

backend/app/api/v1/auth.py

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+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

backend/app/api/v1/stocks.py

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+import json
+from fastapi import APIRouter, Depends, Query
+from app.api.deps import get_current_user
+from app.models.user import User
+from app.core.redis import get_redis
+from app.services import stock_service
+
+router = APIRouter(prefix="/stocks", tags=["stocks"])
+
+CACHE_TTL = 30  # seconds
+
+
+# ── market overview ───────────────────────────────────────────────────────────
+
+@router.get("/market/overview")
+async def market_overview(current_user: User = Depends(get_current_user)):
+    redis = await get_redis()
+    cache_key = "market:overview"
+    cached = await redis.get(cache_key)
+    if cached:
+        return json.loads(cached)
+
+    data = await stock_service.get_market_overview()
+    await redis.setex(cache_key, CACHE_TTL, json.dumps(data))
+    return data
+
+
+# ── heatmap ───────────────────────────────────────────────────────────────────
+
+@router.get("/market/heatmap")
+async def market_heatmap(current_user: User = Depends(get_current_user)):
+    redis = await get_redis()
+    cache_key = "market:heatmap"
+    cached = await redis.get(cache_key)
+    if cached:
+        return json.loads(cached)
+
+    data = await stock_service.get_all_stocks_spot()
+    await redis.setex(cache_key, CACHE_TTL, json.dumps(data))
+    return data
+
+
+# ── sector ────────────────────────────────────────────────────────────────────
+
+@router.get("/market/sectors")
+async def market_sectors(current_user: User = Depends(get_current_user)):
+    redis = await get_redis()
+    cache_key = "market:sectors"
+    cached = await redis.get(cache_key)
+    if cached:
+        return json.loads(cached)
+
+    data = await stock_service.get_sector_spot()
+    await redis.setex(cache_key, CACHE_TTL, json.dumps(data))
+    return data
+
+
+# ── single stock quote ────────────────────────────────────────────────────────
+
+@router.get("/{symbol}/quote")
+async def stock_quote(symbol: str, current_user: User = Depends(get_current_user)):
+    redis = await get_redis()
+    cache_key = f"quote:{symbol}"
+    cached = await redis.get(cache_key)
+    if cached:
+        return json.loads(cached)
+
+    data = await stock_service.get_stock_quote(symbol)
+    if data:
+        await redis.setex(cache_key, CACHE_TTL, json.dumps(data))
+    return data or {}
+
+
+# ── K-line ────────────────────────────────────────────────────────────────────
+
+@router.get("/{symbol}/kline")
+async def stock_kline(
+    symbol: str,
+    period: str = Query("daily", pattern="^(daily|weekly|monthly)$"),
+    adjust: str = Query("qfq", pattern="^(qfq|hfq|)$"),
+    limit: int = Query(250, ge=10, le=1000),
+    current_user: User = Depends(get_current_user),
+):
+    redis = await get_redis()
+    cache_key = f"kline:{symbol}:{period}:{adjust}:{limit}"
+    cached = await redis.get(cache_key)
+    if cached:
+        return json.loads(cached)
+
+    data = await stock_service.get_kline(symbol, period, adjust, limit)
+    await redis.setex(cache_key, 300, json.dumps(data))
+    return data
+
+
+# ── intraday ──────────────────────────────────────────────────────────────────
+
+@router.get("/{symbol}/intraday")
+async def stock_intraday(symbol: str, current_user: User = Depends(get_current_user)):
+    redis = await get_redis()
+    cache_key = f"intraday:{symbol}"
+    cached = await redis.get(cache_key)
+    if cached:
+        return json.loads(cached)
+
+    data = await stock_service.get_intraday(symbol)
+    await redis.setex(cache_key, CACHE_TTL, json.dumps(data))
+    return data
+
+
+# ── 5-day ─────────────────────────────────────────────────────────────────────
+
+@router.get("/{symbol}/fiveday")
+async def stock_fiveday(symbol: str, current_user: User = Depends(get_current_user)):
+    redis = await get_redis()
+    cache_key = f"fiveday:{symbol}"
+    cached = await redis.get(cache_key)
+    if cached:
+        return json.loads(cached)
+
+    data = await stock_service.get_five_day(symbol)
+    await redis.setex(cache_key, CACHE_TTL, json.dumps(data))
+    return data
+
+
+# ── search ────────────────────────────────────────────────────────────────────
+
+@router.get("/search")
+async def search(
+    q: str = Query(..., min_length=1),
+    limit: int = Query(20, ge=1, le=50),
+    current_user: User = Depends(get_current_user),
+):
+    return await stock_service.search_stocks(q, limit)

backend/app/api/v1/watchlist.py

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+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select, delete
+from app.core.database import get_db
+from app.api.deps import get_current_user
+from app.models.user import User
+from app.models.watchlist import Watchlist
+from app.schemas.stock import WatchlistItem, WatchlistAddRequest
+
+router = APIRouter(prefix="/watchlist", tags=["watchlist"])
+
+
+@router.get("", response_model=list[WatchlistItem])
+async def get_watchlist(
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    result = await db.execute(
+        select(Watchlist)
+        .where(Watchlist.user_id == current_user.id)
+        .order_by(Watchlist.sort_order, Watchlist.id)
+    )
+    return result.scalars().all()
+
+
+@router.post("", response_model=WatchlistItem, status_code=status.HTTP_201_CREATED)
+async def add_to_watchlist(
+    payload: WatchlistAddRequest,
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    existing = await db.execute(
+        select(Watchlist).where(
+            Watchlist.user_id == current_user.id,
+            Watchlist.symbol == payload.symbol,
+        )
+    )
+    if existing.scalar_one_or_none():
+        raise HTTPException(status_code=409, detail="已在自选股中")
+
+    item = Watchlist(
+        user_id=current_user.id,
+        symbol=payload.symbol,
+        name=payload.name,
+    )
+    db.add(item)
+    await db.flush()
+    await db.refresh(item)
+    return item
+
+
+@router.delete("/{symbol}", status_code=status.HTTP_204_NO_CONTENT)
+async def remove_from_watchlist(
+    symbol: str,
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    await db.execute(
+        delete(Watchlist).where(
+            Watchlist.user_id == current_user.id,
+            Watchlist.symbol == symbol,
+        )
+    )