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path: root/order-service/app/schemas/order.py
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from datetime import datetime
from decimal import Decimal
from pydantic import BaseModel, Field, ConfigDict


class OrderItemCreate(BaseModel):
    product_id: int = Field(..., gt=0, description="Database ID of the product")
    quantity: int = Field(..., gt=0, le=100, description="Must buy at least 1, max 100")
    price: Decimal = Field(..., gt=0.00, description="The price per unit")


class OrderItemOut(BaseModel):
    id: int
    product_id: int
    quantity: int
    price: Decimal

    model_config = ConfigDict(from_attributes=True)


class OrderCreate(BaseModel):
    customer_id: int = Field(..., gt=0)
    items: list[OrderItemCreate] = Field(
        ..., min_length=1, description="Order must contain at least 1 item"
    )


class OrderOut(BaseModel):
    id: int
    customer_id: int
    status: str
    total_price: Decimal
    created_at: datetime
    items: list[OrderItemOut]

    model_config = ConfigDict(from_attributes=True)