55 lines
2.2 KiB
Python
55 lines
2.2 KiB
Python
"""设备 Schema"""
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from typing import Optional
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from datetime import datetime, date
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from pydantic import BaseModel, Field, field_validator
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class EquipmentBase(BaseModel):
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"""设备基础字段"""
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equipment_code: str = Field(..., min_length=1, max_length=50, description="设备编码")
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equipment_name: str = Field(..., min_length=1, max_length=100, description="设备名称")
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original_value: float = Field(..., gt=0, description="设备原值")
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residual_rate: float = Field(5.00, ge=0, le=100, description="残值率(%)")
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service_years: int = Field(..., gt=0, description="预计使用年限")
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estimated_uses: int = Field(..., gt=0, description="预计使用次数")
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purchase_date: Optional[date] = Field(None, description="购入日期")
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is_active: bool = Field(True, description="是否启用")
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class EquipmentCreate(EquipmentBase):
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"""创建设备请求"""
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@property
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def depreciation_per_use(self) -> float:
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"""计算单次折旧成本"""
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residual_value = self.original_value * self.residual_rate / 100
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return (self.original_value - residual_value) / self.estimated_uses
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class EquipmentUpdate(BaseModel):
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"""更新设备请求"""
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equipment_code: Optional[str] = Field(None, min_length=1, max_length=50, description="设备编码")
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equipment_name: Optional[str] = Field(None, min_length=1, max_length=100, description="设备名称")
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original_value: Optional[float] = Field(None, gt=0, description="设备原值")
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residual_rate: Optional[float] = Field(None, ge=0, le=100, description="残值率(%)")
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service_years: Optional[int] = Field(None, gt=0, description="预计使用年限")
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estimated_uses: Optional[int] = Field(None, gt=0, description="预计使用次数")
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purchase_date: Optional[date] = Field(None, description="购入日期")
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is_active: Optional[bool] = Field(None, description="是否启用")
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class EquipmentResponse(EquipmentBase):
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"""设备响应"""
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id: int
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depreciation_per_use: float = Field(..., description="单次折旧成本")
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created_at: datetime
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updated_at: datetime
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class Config:
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from_attributes = True
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