重构后端服务架构并优化前端错误处理

fastapi-backend/app/schemas/order.py

@@ -0,0 +1,58 @@
+from pydantic import BaseModel
+from typing import Optional
+from datetime import datetime
+from enum import Enum
+
+class OrderStatus(str, Enum):
+    PENDING = "pending"
+    CONFIRMED = "confirmed"
+    PROCESSING = "processing"
+    SHIPPED = "shipped"
+    DELIVERED = "delivered"
+    CANCELLED = "cancelled"
+    COMPLETED = "completed"
+
+class OrderBase(BaseModel):
+    buyer_id: int
+    seller_id: int
+    variety_type: str
+    weight_range: str
+    weight_actual: Optional[float] = None
+    price_per_unit: float
+    total_price: float
+    advance_payment: float = 0.0
+    final_payment: float = 0.0
+    status: OrderStatus = OrderStatus.PENDING
+    delivery_address: Optional[str] = None
+    delivery_time: Optional[datetime] = None
+    remark: Optional[str] = None
+
+class OrderCreate(OrderBase):
+    pass
+
+class OrderUpdate(BaseModel):
+    buyer_id: Optional[int] = None
+    seller_id: Optional[int] = None
+    variety_type: Optional[str] = None
+    weight_range: Optional[str] = None
+    weight_actual: Optional[float] = None
+    price_per_unit: Optional[float] = None
+    total_price: Optional[float] = None
+    advance_payment: Optional[float] = None
+    final_payment: Optional[float] = None
+    status: Optional[OrderStatus] = None
+    delivery_address: Optional[str] = None
+    delivery_time: Optional[datetime] = None
+    remark: Optional[str] = None
+
+class OrderInDBBase(OrderBase):
+    id: int
+    order_no: str
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        orm_mode = True
+
+class Order(OrderInDBBase):
+    pass

fastapi-backend/app/schemas/payment.py

@@ -0,0 +1,52 @@
+from pydantic import BaseModel
+from typing import Optional
+from datetime import datetime
+from enum import Enum
+
+class PaymentType(str, Enum):
+    ADVANCE = "advance"
+    FINAL = "final"
+
+class PaymentMethod(str, Enum):
+    WECHAT = "wechat"
+    ALIPAY = "alipay"
+    BANK = "bank"
+
+class PaymentStatus(str, Enum):
+    PENDING = "pending"
+    SUCCESS = "success"
+    FAILED = "failed"
+    REFUNDED = "refunded"
+
+class PaymentBase(BaseModel):
+    order_id: int
+    user_id: int
+    amount: float
+    payment_type: PaymentType
+    payment_method: PaymentMethod
+    status: PaymentStatus = PaymentStatus.PENDING
+    transaction_id: Optional[str] = None
+
+class PaymentCreate(PaymentBase):
+    pass
+
+class PaymentUpdate(BaseModel):
+    order_id: Optional[int] = None
+    user_id: Optional[int] = None
+    amount: Optional[float] = None
+    payment_type: Optional[PaymentType] = None
+    payment_method: Optional[PaymentMethod] = None
+    status: Optional[PaymentStatus] = None
+    transaction_id: Optional[str] = None
+
+class PaymentInDBBase(PaymentBase):
+    id: int
+    payment_no: str
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        orm_mode = True
+
+class Payment(PaymentInDBBase):
+    pass

fastapi-backend/app/schemas/user.py

@@ -0,0 +1,51 @@
+from pydantic import BaseModel
+from typing import Optional
+from datetime import datetime
+from enum import Enum
+
+class UserType(str, Enum):
+    CLIENT = "client"
+    SUPPLIER = "supplier"
+    DRIVER = "driver"
+    STAFF = "staff"
+    ADMIN = "admin"
+
+class UserStatus(str, Enum):
+    ACTIVE = "active"
+    INACTIVE = "inactive"
+    LOCKED = "locked"
+
+class UserBase(BaseModel):
+    username: str
+    user_type: UserType = UserType.CLIENT
+    status: UserStatus = UserStatus.ACTIVE
+
+class UserCreate(UserBase):
+    password: str
+
+class UserUpdate(BaseModel):
+    username: Optional[str] = None
+    user_type: Optional[UserType] = None
+    status: Optional[UserStatus] = None
+
+class UserInDBBase(UserBase):
+    id: int
+    uuid: str
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        orm_mode = True
+
+class User(UserInDBBase):
+    pass
+
+class UserInDB(UserInDBBase):
+    password_hash: str
+
+class Token(BaseModel):
+    access_token: str
+    token_type: str
+
+class TokenData(BaseModel):
+    uuid: Optional[str] = None