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import asyncio
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import sys
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from pathlib import Path
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from sqlalchemy import text
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project_root = Path(__file__).parent.parent.parent
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src_root = Path(__file__).parent.parent
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sys.path.insert(0, str(project_root))
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sys.path.insert(0, str(src_root))
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from sqlalchemy import select
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from database.database import db_manager
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from models.database import User, Role, Permission, UserRole, RolePermission
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from services.auth_service import get_password_hash
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from config.settings import settings
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from utils.logger import get_logger
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logger = get_logger(__name__)
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DEFAULT_PERMISSIONS = [
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{"code": "view_dashboard", "name": "查看仪表盘", "module": "dashboard"},
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{"code": "view_moldinsight", "name": "使用模具分析", "module": "moldinsight"},
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{"code": "upload_file", "name": "上传文件", "module": "moldinsight"},
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{"code": "view_history", "name": "查看历史记录", "module": "moldinsight"},
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{"code": "view_inventory", "name": "查看库存", "module": "inventory"},
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{"code": "manage_inventory", "name": "管理库存", "module": "inventory"},
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{"code": "view_products", "name": "查看产品", "module": "inventory"},
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{"code": "manage_products", "name": "管理产品", "module": "inventory"},
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{"code": "view_suppliers", "name": "查看供应商", "module": "inventory"},
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{"code": "manage_suppliers", "name": "管理供应商", "module": "inventory"},
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{"code": "view_customers", "name": "查看客户", "module": "inventory"},
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{"code": "manage_customers", "name": "管理客户", "module": "inventory"},
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{"code": "view_finance", "name": "查看财务", "module": "finance"},
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{"code": "manage_receipts", "name": "管理收款", "module": "finance"},
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{"code": "manage_payments", "name": "管理付款", "module": "finance"},
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{"code": "void_finance_transaction", "name": "作废财务单据", "module": "finance"},
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{"code": "view_users", "name": "查看用户", "module": "admin"},
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{"code": "manage_users", "name": "管理用户", "module": "admin"},
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{"code": "manage_roles", "name": "管理角色", "module": "admin"},
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]
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DEFAULT_ROLES = [
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{"code": "admin", "name": "管理员", "description": "系统管理员，拥有所有权限", "is_system": True, "permissions": ["view_dashboard", "view_moldinsight", "upload_file", "view_history", "view_inventory", "manage_inventory", "view_products", "manage_products", "view_suppliers", "manage_suppliers", "view_customers", "manage_customers", "view_finance", "manage_receipts", "manage_payments", "void_finance_transaction", "view_users", "manage_users", "manage_roles"]},
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{"code": "user", "name": "普通用户", "description": "普通用户，可使用模具分析和查看库存", "is_system": False, "permissions": ["view_dashboard", "view_moldinsight", "upload_file", "view_history", "view_inventory", "view_products", "view_suppliers", "view_customers", "view_finance", "manage_receipts", "manage_payments"]},
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{"code": "viewer", "name": "只读用户", "description": "只读用户，只能查看数据", "is_system": False, "permissions": ["view_dashboard", "view_moldinsight", "view_history", "view_inventory", "view_products", "view_suppliers", "view_customers", "view_finance"]},
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]
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async def init_permissions(session):
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"""初始化权限"""
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result = await session.execute(select(Permission))
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existing_perms = result.scalars().all()
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if existing_perms:
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logger.info("权限已初始化")
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return
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perm_map = {}
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for perm_data in DEFAULT_PERMISSIONS:
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perm = Permission(**perm_data)
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session.add(perm)
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await session.flush()
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perm_map[perm.code] = perm.id
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logger.info(f"创建了 {len(DEFAULT_PERMISSIONS)} 个权限")
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return perm_map
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async def init_roles(session, perm_map):
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"""初始化角色"""
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result = await session.execute(select(Role))
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existing_roles = result.scalars().all()
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if existing_roles:
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logger.info("角色已初始化")
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return
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for role_data in DEFAULT_ROLES:
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perm_ids = [perm_map[code] for code in role_data.pop("permissions")]
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role = Role(**role_data)
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session.add(role)
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await session.flush()
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for perm_id in perm_ids:
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rp = RolePermission(role_id=role.id, permission_id=perm_id)
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session.add(rp)
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logger.info(f"创建了 {len(DEFAULT_ROLES)} 个角色")
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async def create_admin_user(session):
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"""创建默认管理员"""
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result = await session.execute(select(User).where(User.username == settings.ADMIN_USERNAME))
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existing_admin = result.scalar_one_or_none()
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if existing_admin:
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logger.info("管理员账户已存在")
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return
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admin = User(
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username=settings.ADMIN_USERNAME,
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email=settings.ADMIN_EMAIL,
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hashed_password=get_password_hash(settings.ADMIN_PASSWORD),
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full_name=settings.ADMIN_FULL_NAME,
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is_active=True
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)
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session.add(admin)
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await session.flush()
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result = await session.execute(select(Role).where(Role.code == "admin"))
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admin_role = result.scalar_one_or_none()
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if admin_role:
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user_role = UserRole(user_id=admin.id, role_id=admin_role.id)
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session.add(user_role)
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await session.commit()
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logger.info(f"创建了管理员账户: {settings.ADMIN_USERNAME}")
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async def init_database(keep_connected: bool = True):
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"""初始化数据库"""
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try:
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await db_manager.connect()
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await db_manager.create_tables()
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await ensure_schema_updates()
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async with db_manager.session() as session:
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perm_map = await init_permissions(session)
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if perm_map is None:
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# Permissions already existed, fetch them from database
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result = await session.execute(select(Permission))
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perms = result.scalars().all()
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perm_map = {perm.code: perm.id for perm in perms}
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await init_roles(session, perm_map)
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await create_admin_user(session)
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logger.info("数据库初始化完成")
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print("=" * 60)
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print("数据库初始化成功！")
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print("=" * 60)
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print(f"管理员用户名: {settings.ADMIN_USERNAME}")
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print(f"管理员邮箱: {settings.ADMIN_EMAIL}")
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print("=" * 60)
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print("可以在 .env 文件中修改管理员配置:")
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print(" ADMIN_USERNAME")
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print(" ADMIN_EMAIL")
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print(" ADMIN_FULL_NAME")
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print("=" * 60)
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return True
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except Exception as e:
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logger.error(f"数据库初始化失败: {e}")
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print(f"数据库初始化失败: {e}")
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return False
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finally:
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if not keep_connected:
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await db_manager.disconnect()
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async def ensure_schema_updates():
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async with db_manager.engine.begin() as conn:
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await conn.execute(text("ALTER TABLE products ADD COLUMN IF NOT EXISTS item_type VARCHAR(20) DEFAULT 'finished'"))
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await conn.execute(text("UPDATE products SET item_type = 'finished' WHERE item_type IS NULL"))
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await conn.execute(text("ALTER TABLE sales_orders ADD COLUMN IF NOT EXISTS production_status VARCHAR(20) DEFAULT 'not_started'"))
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await conn.execute(text("ALTER TABLE sales_orders ADD COLUMN IF NOT EXISTS production_no VARCHAR(50)"))
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await conn.execute(text("ALTER TABLE sales_orders ADD COLUMN IF NOT EXISTS planned_material_cost DOUBLE PRECISION DEFAULT 0"))
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await conn.execute(text("ALTER TABLE sales_orders ADD COLUMN IF NOT EXISTS actual_material_cost DOUBLE PRECISION DEFAULT 0"))
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await conn.execute(text("ALTER TABLE purchase_orders ADD COLUMN IF NOT EXISTS received_date TIMESTAMP WITHOUT TIME ZONE"))
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await conn.execute(text("ALTER TABLE purchase_orders ADD COLUMN IF NOT EXISTS paid_date TIMESTAMP WITHOUT TIME ZONE"))
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await conn.execute(text("""
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CREATE TABLE IF NOT EXISTS product_materials (
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id SERIAL PRIMARY KEY,
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finished_product_id INTEGER NOT NULL REFERENCES products(id),
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material_product_id INTEGER NOT NULL REFERENCES products(id),
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quantity DOUBLE PRECISION NOT NULL,
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loss_rate DOUBLE PRECISION DEFAULT 0,
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created_at TIMESTAMP DEFAULT NOW(),
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updated_at TIMESTAMP DEFAULT NOW()
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)
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"""))
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await conn.execute(text("""
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CREATE UNIQUE INDEX IF NOT EXISTS uq_product_material_unique
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ON product_materials (finished_product_id, material_product_id)
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"""))
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await conn.execute(text("ALTER TABLE mold_cavity_data ADD COLUMN IF NOT EXISTS best_scheme_id VARCHAR(64)"))
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await conn.execute(text("ALTER TABLE mold_cavity_data ADD COLUMN IF NOT EXISTS confidence_score DOUBLE PRECISION"))
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await conn.execute(text("ALTER TABLE mold_cavity_data ADD COLUMN IF NOT EXISTS is_fallback BOOLEAN"))
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await conn.execute(text("ALTER TABLE mold_cavity_data ADD COLUMN IF NOT EXISTS fallback_reason TEXT"))
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await conn.execute(text("""
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CREATE INDEX IF NOT EXISTS idx_mold_cavity_best_scheme_id
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ON mold_cavity_data (best_scheme_id)
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"""))
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await conn.execute(text("""
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CREATE INDEX IF NOT EXISTS idx_mold_cavity_is_fallback
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ON mold_cavity_data (is_fallback)
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"""))
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await conn.execute(text("""
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint
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WHERE conname = 'uq_inventory_product_warehouse'
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) THEN
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ALTER TABLE inventory
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ADD CONSTRAINT uq_inventory_product_warehouse UNIQUE (product_id, warehouse_id);
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END IF;
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END $$;
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"""))
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await conn.execute(text("""
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint
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WHERE conname = 'ck_inventory_qty_nonnegative'
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) THEN
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ALTER TABLE inventory
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ADD CONSTRAINT ck_inventory_qty_nonnegative
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CHECK (quantity >= 0 AND locked_quantity >= 0 AND locked_quantity <= quantity);
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END IF;
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END $$;
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"""))
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await conn.execute(text("""
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint
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WHERE conname = 'ck_purchase_order_items_qty'
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) THEN
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ALTER TABLE purchase_order_items
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ADD CONSTRAINT ck_purchase_order_items_qty
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CHECK (quantity > 0 AND received_quantity >= 0 AND received_quantity <= quantity);
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END IF;
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END $$;
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"""))
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await conn.execute(text("""
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint
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WHERE conname = 'ck_sales_order_items_qty'
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) THEN
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ALTER TABLE sales_order_items
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ADD CONSTRAINT ck_sales_order_items_qty
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CHECK (quantity > 0 AND delivered_quantity >= 0 AND delivered_quantity <= quantity);
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END IF;
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END $$;
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"""))
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await conn.execute(text("ALTER TABLE sales_orders ADD COLUMN IF NOT EXISTS manufacturing_date TIMESTAMP WITHOUT TIME ZONE"))
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await conn.execute(text("ALTER TABLE sales_orders ALTER COLUMN manufacturing_date TYPE TIMESTAMP WITHOUT TIME ZONE"))
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if __name__ == "__main__":
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asyncio.run(init_database(keep_connected=False))
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