models.go

package main

import (
	"time"

	"gorm.io/gorm"
)

// User represents a user in the system.
type User struct {
	ID           uint           `gorm:"primaryKey" json:"id"`
	CreatedAt    time.Time      `json:"created_at"`
	UpdatedAt    time.Time      `json:"updated_at"`
	DeletedAt    gorm.DeletedAt `gorm:"index" json:"-"`
	Name         string         `json:"name"`
	Email        string         `gorm:"uniqueIndex" json:"email"`
	PasswordHash string         `json:"-"`
	IsAdmin      bool           `json:"is_admin"`
	Orders       []Order        `json:"-"`
}

// Product represents a product sold in the store.
type Product struct {
	ID          uint           `gorm:"primaryKey" json:"id"`
	CreatedAt   time.Time      `json:"created_at"`
	UpdatedAt   time.Time      `json:"updated_at"`
	DeletedAt   gorm.DeletedAt `gorm:"index" json:"-"`
	Name        string         `json:"name"`
	Description string         `json:"description"`
	PriceCents  int64          `json:"price_cents"` // price in cents to avoid float issues
	Stock       int            `json:"stock"`
}

// Order represents a user's order.
type Order struct {
	ID         uint           `gorm:"primaryKey" json:"id"`
	CreatedAt  time.Time      `json:"created_at"`
	UpdatedAt  time.Time      `json:"updated_at"`
	DeletedAt  gorm.DeletedAt `gorm:"index" json:"-"`
	UserID     uint           `json:"user_id"`
	User       User           `json:"-"`
	TotalCents int64          `json:"total_cents"`
	Items      []OrderItem    `json:"items" gorm:"constraint:OnDelete:CASCADE;"`
	Status     string         `json:"status"` // e.g., pending, paid, shipped
}

// OrderItem represents an item within an order.
type OrderItem struct {
	ID        uint `gorm:"primaryKey" json:"id"`
	OrderID   uint `json:"order_id"`
	ProductID uint `json:"product_id"`
	Product   Product
	Quantity  int   `json:"quantity"`
	PriceCents int64 `json:"price_cents"` // snapshot of product price at order time
}