package models

import (
	"fmt"
	"time"

	"github.com/astaxie/beego/orm"
)

type ChanceImage struct {
	Id       int64     `orm:"column(id);auto" description:"唯一编号"`
	ChanceId int64     `orm:"column(chance_id);null" description:"表chance.id 机会编号"`
	Path     string    `orm:"column(path);size(500)" description:"路径"`
	W        int       `orm:"column(w);null" description:"宽"`
	H        int       `orm:"column(h);null" description:"高"`
	CreateAt time.Time `orm:"column(create_at);type(timestamp)" description:"创建时间"`
}

func (t *ChanceImage) TableName() string {
	return "chance_image"
}

func init() {
	orm.RegisterModel(new(ChanceImage))
}

// AddChanceImage insert a new ChanceImage into database and returns
// last inserted Id on success.
func AddChanceImage(m *ChanceImage) (id int64, err error) {
	o := orm.NewOrm()
	id, err = o.Insert(m)
	return
}

// GetChanceImageById retrieves ChanceImage by Id. Returns error if
// Id doesn't exist
func GetChanceImageById(id int64) (v *ChanceImage, err error) {
	o := orm.NewOrm()
	v = &ChanceImage{Id: id}
	if err = o.Read(v); err == nil {
		return v, nil
	}
	return nil, err
}

// UpdateChanceImage updates ChanceImage by Id and returns error if
// the record to be updated doesn't exist
func UpdateChanceImageById(m *ChanceImage) (err error) {
	o := orm.NewOrm()
	v := ChanceImage{Id: m.Id}
	// ascertain id exists in the database
	if err = o.Read(&v); err == nil {
		var num int64
		if num, err = o.Update(m); err == nil {
			fmt.Println("Number of records updated in database:", num)
		}
	}
	return
}

// DeleteChanceImage deletes ChanceImage by Id and returns error if
// the record to be deleted doesn't exist
func DeleteChanceImage(id int64) (err error) {
	o := orm.NewOrm()
	v := ChanceImage{Id: id}
	// ascertain id exists in the database
	if err = o.Read(&v); err == nil {
		var num int64
		if num, err = o.Delete(&ChanceImage{Id: id}); err == nil {
			fmt.Println("Number of records deleted in database:", num)
		}
	}
	return
}