package model

import (
	"apsClient/pkg/snowflake"
	"encoding/json"
	"github.com/jinzhu/gorm"
	"strconv"
	"time"
)

type CommonModel struct {
	ID        uint   `gorm:"primary_key;autoIncrement:false" json:"-"`
	IDStr     string `json:"ID" gorm:"-"`
	CreatedAt time.Time
	UpdatedAt time.Time
	DeletedAt *time.Time `sql:"index"`
}

func (c *CommonModel) BeforeCreate(db *gorm.DB) {
	if c.ID == 0 {
		id := snowflake.GenerateID()
		if id < 0 {
			id = snowflake.GenerateID()
		}
		c.ID = uint(id)
	}
}
func (c CommonModel) UnmarshalJSON(b []byte) (err error) {
	id, err := strconv.ParseUint(c.IDStr, 10, 64)
	if err != nil {
		return err
	}
	c.ID = uint(id)
	return
}

func (c CommonModel) MarshalJSON() ([]byte, error) {
	c.IDStr = strconv.FormatUint(uint64(c.ID), 10)
	return json.Marshal(c)
}