pig-farm-controller/internal/infra/models/pig_trade.go

package models

import (
	"time"
)

// PigPurchase 记录了猪只采购信息
type PigPurchase struct {
	Model
	PigBatchID   uint32    `gorm:"not null;index;comment:关联的猪批次ID"`
	PurchaseDate time.Time `gorm:"primaryKey;comment:采购日期"`
	Supplier     string    `gorm:"comment:供应商"`
	Quantity     int       `gorm:"not null;comment:采购数量"`
	UnitPrice    float32   `gorm:"not null;comment:单价"`
	TotalPrice   float32   `gorm:"not null;comment:总价"`
	Remarks      string    `gorm:"size:255;comment:备注"`
	OperatorID   uint32    `gorm:"comment:操作员ID"`
}

func (PigPurchase) TableName() string {
	return "pig_purchases"
}

// PigSale 记录了猪只销售信息
type PigSale struct {
	Model
	PigBatchID uint32    `gorm:"not null;index;comment:关联的猪批次ID"`
	SaleDate   time.Time `gorm:"primaryKey;comment:销售日期"`
	Buyer      string    `gorm:"comment:购买方"`
	Quantity   int       `gorm:"not null;comment:销售数量"`
	UnitPrice  float32   `gorm:"not null;comment:单价"`
	TotalPrice float32   `gorm:"not null;comment:总价"`
	Remarks    string    `gorm:"size:255;comment:备注"`
	OperatorID uint32    `gorm:"comment:操作员ID"`
}

func (PigSale) TableName() string {
	return "pig_sales"
}