功能: - 通知提醒系统: 还款日提醒、逾期提醒、系统消息横幅、登录时通知 - 通知中心UI: 铃铛图标 + 下拉列表 + 未读徽章 - 定时任务: APScheduler 每小时检查即将到期的还款 - 邮件通知: SMTP 发送还款提醒和安全警告 - 异常登录通知: 3/5/10次失败触发网页和邮件通知 安全: - 登录安全告警: 异常登录次数达到阈值时发送通知 - 密码重置链接: 一次性使用, 5分钟有效期 - 登录频率限制: IP级和账户级限制 技术: - 后端: FastAPI + SQLAlchemy + PostgreSQL - 前端: 纯 HTML/CSS/JS - 部署: Docker Compose (新增 build 配置)
152 lines
5.1 KiB
Python
152 lines
5.1 KiB
Python
from fastapi import FastAPI, Request
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import JSONResponse
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from contextlib import asynccontextmanager
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from app.core.config import get_settings
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from app.core.database import engine, async_session
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from app.models.models import Base, User, Debt, RepaymentPlan, RepaymentRecord, Group
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from app.core.security import hash_password
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from app.api import auth, debts, repayments, admin, loans, notifications
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from sqlalchemy import select, text
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settings = get_settings()
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METHOD_REV = {"equal_installment": "e", "interest_first": "p", "lump_sum": "i"}
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async def seed_admin():
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async with engine.begin() as conn:
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await conn.run_sync(Base.metadata.create_all)
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async with async_session() as db:
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result = await db.execute(select(User))
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existing = result.scalars().all()
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if not existing:
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admin_user = User(
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email="admin",
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password_hash=hash_password(settings.ADMIN_PASSWORD),
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nickname="管理员",
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role="admin",
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)
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db.add(admin_user)
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test_user = User(
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email="test",
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password_hash=hash_password("test123"),
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nickname="测试用户",
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role="user",
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)
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db.add(test_user)
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await db.commit()
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async def migrate_account_names():
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async with async_session() as db:
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result = await db.execute(select(User))
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users = result.scalars().all()
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for u in users:
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if "@" in u.email:
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new_email = u.email.split("@")[0]
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existing = await db.execute(select(User).where(User.email == new_email, User.id != u.id))
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if not existing.scalar_one_or_none():
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u.email = new_email
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await db.commit()
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async def migrate_add_real_email():
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async with engine.begin() as conn:
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await conn.execute(text(
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"ALTER TABLE users ADD COLUMN IF NOT EXISTS real_email VARCHAR(255) DEFAULT ''"
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))
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async def migrate_debt_data():
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async with async_session() as db:
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result = await db.execute(select(Debt).where(Debt.schedule_data == None))
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debts = result.scalars().all()
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for debt in debts:
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plans_result = await db.execute(
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select(RepaymentPlan).where(RepaymentPlan.debt_id == debt.id).order_by(RepaymentPlan.due_date)
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)
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plans = plans_result.scalars().all()
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schedule = []
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paid_periods = []
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for p in plans:
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item = {
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"p": p.principal_due / 100,
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"date": p.due_date.strftime("%Y-%m-%d") if p.due_date else "",
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"pay": p.total_due / 100,
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"pr": p.principal_due / 100,
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"it": p.interest_due / 100,
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"rp": 0,
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}
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schedule.append(item)
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if p.status == "paid":
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paid_periods.append(len(schedule))
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remaining = debt.amount / 100
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for item in schedule:
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item["rp"] = round(remaining, 2)
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remaining -= item["pr"]
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debt.schedule_data = schedule
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debt.paid_periods = paid_periods
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await db.commit()
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async def migrate_account_names():
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async with async_session() as db:
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result = await db.execute(select(User))
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users = result.scalars().all()
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for u in users:
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if "@" in u.email:
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u.email = u.email.split("@")[0]
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await db.commit()
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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await seed_admin()
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await migrate_add_real_email()
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await migrate_account_names()
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await migrate_debt_data()
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from app.services.scheduler import start_scheduler, check_upcoming_repayments
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start_scheduler()
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await check_upcoming_repayments()
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yield
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from app.services.scheduler import scheduler
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scheduler.shutdown()
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app = FastAPI(title=settings.PROJECT_NAME, lifespan=lifespan)
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app.add_middleware(
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CORSMiddleware,
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allow_origins=settings.CORS_ORIGINS,
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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@app.middleware("http")
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async def rate_limit_middleware(request: Request, call_next):
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from app.core.rate_limit import is_ip_blocked, get_remaining_seconds
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ip = request.client.host if request.client else "unknown"
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if is_ip_blocked(ip):
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remaining = get_remaining_seconds(ip)
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return JSONResponse(status_code=429, content={"detail": f"登录失败次数过多,请 {remaining} 秒后再试", "retry_after": remaining})
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return await call_next(request)
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app.include_router(auth.router, prefix=settings.API_V1_PREFIX)
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app.include_router(loans.router, prefix=settings.API_V1_PREFIX)
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app.include_router(debts.router, prefix=settings.API_V1_PREFIX)
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app.include_router(repayments.router, prefix=settings.API_V1_PREFIX)
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app.include_router(admin.router, prefix=settings.API_V1_PREFIX)
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app.include_router(notifications.router, prefix=settings.API_V1_PREFIX)
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@app.get("/health")
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async def health():
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return {"status": "ok"}
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