feat: 完善前后端核心功能模块
后端: - 新增认证(auth)、任务(tasks)、映射(mappings)、对账(reconciliation)、异常(exceptions)、导出(exports) API - 新增核心模块: database, security, permissions, tenant, exceptions, error_handlers - 新增数据模型: user, company, reconciliation_task, field_mapping, uploaded_file 等 - 新增服务层: ai_recognizer, file_parser, file_storage, mapping, reconciliation 等 - 添加数据库迁移脚本 前端: - 新增登录页面和仪表盘页面 - 新增任务列表、任务详情、字段映射页面 - 新增异常处理页面和规则设置页面 - 新增 API 代理路由 /api/[...path] - 新增 UI 组件库 (button, card, dialog, input, table 等) - 新增 auth 组件 (ProtectedRoute, PermissionGate) - 新增 layout 组件 (Header, Sidebar) - 新增 mapping 组件 (FieldMappingTable, AISuggestionPanel) - 新增 API 客户端和 hooks (useAsync, useToast, usePermission 等) - 新增状态管理 (auth-store, company-store, ui-store) - 集成 Tailwind CSS 和 shadcn/ui 组件库 其他: - 添加 Alembic 数据库迁移配置 - 添加初始化示例数据脚本 - 更新项目文档
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from typing import AsyncGenerator
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from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
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from sqlalchemy.orm import DeclarativeBase
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from app.core.config import get_settings
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settings = get_settings()
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# 创建异步数据库引擎
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engine = create_async_engine(
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settings.database_url,
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echo=settings.debug,
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pool_size=5,
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max_overflow=10,
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pool_pre_ping=True,
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)
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# 创建异步会话工厂
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async_session_maker = async_sessionmaker(
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engine,
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class_=AsyncSession,
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expire_on_commit=False,
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autocommit=False,
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autoflush=False,
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)
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# 声明式基类
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class Base(DeclarativeBase):
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pass
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async def get_db() -> AsyncGenerator[AsyncSession, None]:
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"""
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数据库会话依赖注入
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Yields:
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AsyncSession: 数据库会话
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"""
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async with async_session_maker() as session:
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try:
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yield session
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await session.commit()
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except Exception:
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await session.rollback()
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raise
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finally:
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await session.close()
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async def init_db() -> None:
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"""
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初始化数据库(创建所有表)
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仅用于开发环境,生产环境使用 Alembic 迁移
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"""
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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 def close_db() -> None:
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"""
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关闭数据库连接
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"""
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await engine.dispose()
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