healthapp/server/internal/model/product.go

package model

import (
	"time"

	"gorm.io/gorm"
)

// Product 保健品表
type Product struct {
	gorm.Model
	Name        string  `gorm:"size:100" json:"name"`
	Category    string  `gorm:"size:50;index" json:"category"`
	Description string  `gorm:"type:text" json:"description"`
	Efficacy    string  `gorm:"type:text" json:"efficacy"`  // 功效说明
	Suitable    string  `gorm:"type:text" json:"suitable"`  // 适用人群/体质
	Price       float64 `json:"price"`
	ImageURL    string  `gorm:"size:255" json:"image_url"`
	MallURL     string  `gorm:"size:255" json:"mall_url"` // 商城链接
	IsActive    bool    `gorm:"default:true" json:"is_active"`
}

// ConstitutionProduct 体质-产品关联表
type ConstitutionProduct struct {
	gorm.Model
	ConstitutionType string `gorm:"size:20;index" json:"constitution_type"`
	ProductID        uint   `gorm:"index" json:"product_id"`
	Priority         int    `json:"priority"`            // 推荐优先级
	Reason           string `gorm:"size:200" json:"reason"` // 推荐理由
}

// SymptomProduct 症状-产品关联表
type SymptomProduct struct {
	gorm.Model
	Keyword   string `gorm:"size:50;index" json:"keyword"` // 症状关键词
	ProductID uint   `gorm:"index" json:"product_id"`
	Priority  int    `json:"priority"`
}

// PurchaseHistory 购买历史表（商城同步）
type PurchaseHistory struct {
	gorm.Model
	UserID      uint      `gorm:"index" json:"user_id"`
	OrderNo     string    `gorm:"size:50" json:"order_no"`      // 商城订单号
	ProductID   uint      `json:"product_id"`
	ProductName string    `gorm:"size:100" json:"product_name"`
	PurchasedAt time.Time `json:"purchased_at"`
	Source      string    `gorm:"size:20" json:"source"` // mall=保健品商城
}

// TableName 指定表名
func (Product) TableName() string {
	return "products"
}

func (ConstitutionProduct) TableName() string {
	return "constitution_products"
}

func (SymptomProduct) TableName() string {
	return "symptom_products"
}

func (PurchaseHistory) TableName() string {
	return "purchase_histories"
}