talent/model.go

package main

import (
	"time"

	"github.com/rs/xid"
	"github.com/rs/zerolog/log"
	"gorm.io/gorm"
)

// User User model
type User struct {
	ID string `gorm:"primaryKey"`

	Email     string
	LastLogin time.Time

	Products []Product `gorm:"many2many:orders;"`

	ProfileID uint `gorm:"default:NULL"`
	Profile   Profile

	CreatedAt time.Time
	UpdatedAt time.Time
}

type Profile struct {
	ID uint `gorm:"primaryKey"`

	Name  string
	Brief string
	Img   string

	CreatedAt time.Time
	UpdatedAt time.Time
}

type Product struct {
	ID uint `gorm:"primaryKey"`

	Categories  []Category `gorm:"many2many:product_categories;"`
	Img         string
	Name        string
	Brief       string
	Description string

	CreatedAt time.Time
	UpdatedAt time.Time
}

type Category struct {
	Name string `gorm:"primaryKey"`
}

const (
	OrderReceived    = "RECEIVED"
	OrderPrepared    = "PREPARED"
	OrderClaiming    = "CLAIMING"
	OrderClaimAccept = "CLAIM_ACCEPT"
	OrderClaimReject = "CLAIM_REJECT"
	OrderClaimPaid   = "CLAIM_PAID"
)

type Order struct {
	ID string

	UserID    string `gorm:"primaryKey"`
	ProductID uint   `gorm:"primaryKey"`

	Start      time.Time
	End        time.Time
	Attachment string
	Price      float32
	Status     string
	Claimed    float32

	CreatedAt time.Time
	UpdatedAt time.Time
}

type Node struct {
	ID uint `gorm:"primaryKey"`

	Name   string
	UserID string

	CreatedAt time.Time
}

// BeforeCreate set UID
func (u *User) BeforeCreate(tx *gorm.DB) (err error) {
	if u.ID == "" {
		u.ID = xid.New().String()
	}
	u.LastLogin = time.Now()
	return
}

func (u *User) AfterFind(tx *gorm.DB) (err error) {
	if u.ProfileID != 0 {
		profile := &Profile{}
		if err := tx.First(profile, "id = ?", u.ProfileID).Error; err != nil {
			log.Error().Err(err).Msg("get profile error")
		} else {
			u.Profile = *profile
		}
	}
	return
}

func (o *Order) BeforeCreate(tx *gorm.DB) (err error) {
	if o.ID == "" {
		o.ID = xid.New().String()
	}
	o.Status = OrderReceived
	return
}