Example of Models in GORM

models.go

package model

import "gorm.io/gorm"

type User struct {
	gorm.Model
	Username string
	Password string
	Role     string
}

type Merchant struct {
	gorm.Model
	Product []Product `gorm:"foreignkey:MerchantID;association_foreignkey:ID"`
	Outlet  []Outlet  `gorm:"foreignkey:MerchantID;association_foreignkey:ID"`
	UserID  User      `gorm:"foreignkey:ID;association_foreignkey:ID"`
}

type Product struct {
	gorm.Model
	Name       string
	Sku        uint
	Image      string
	MerchantID uint
}

type ProductOutlet struct {
	gorm.Model
	Product  []Product `gorm:"foreignkey:MerchantID;association_foreignkey:ID"`
	Price    uint
	OutletID uint
}

type Outlet struct {
	gorm.Model
	UserID     User            `gorm:"foreignkey:ID;association_foreignkey:ID"`
	Product    []ProductOutlet `gorm:"foreignkey:OutletIDassociation_foreignkey:ID"`
	MerchantID uint
}